Datasets:

google

/

code_x_glue_cc_defect_detection

like 9

int64_t avio_seek(AVIOContext *s, int64_t offset, int whence) { int64_t offset1; int64_t pos; int force = whence & AVSEEK_FORCE; int buffer_size; int short_seek; whence &= ~AVSEEK_FORCE; if(!s) buffer_size = s->buf_end - s->buffer; // pos is the absolute position that the beginning of s->buffer corresponds to in the file pos = s->pos - (s->write_flag ? 0 : buffer_size); if (whence != SEEK_CUR && whence != SEEK_SET) if (whence == SEEK_CUR) { offset1 = pos + (s->buf_ptr - s->buffer); if (offset == 0) return offset1; offset += offset1; } if (offset < 0) if (s->short_seek_get) { short_seek = s->short_seek_get(s->opaque); /* fallback to default short seek */ if (short_seek <= 0) short_seek = s->short_seek_threshold; } else short_seek = s->short_seek_threshold; offset1 = offset - pos; // "offset1" is the relative offset from the beginning of s->buffer s->buf_ptr_max = FFMAX(s->buf_ptr_max, s->buf_ptr); if ((!s->direct || !s->seek) && offset1 >= 0 && offset1 <= (s->write_flag ? s->buf_ptr_max - s->buffer : buffer_size)) { /* can do the seek inside the buffer */ s->buf_ptr = s->buffer + offset1; } else if ((!(s->seekable & AVIO_SEEKABLE_NORMAL) || offset1 <= buffer_size + short_seek) && !s->write_flag && offset1 >= 0 && (!s->direct || !s->seek) && (whence != SEEK_END || force)) { while(s->pos < offset && !s->eof_reached) fill_buffer(s); if (s->eof_reached) return AVERROR_EOF; s->buf_ptr = s->buf_end - (s->pos - offset); } else if(!s->write_flag && offset1 < 0 && -offset1 < buffer_size>>1 && s->seek && offset > 0) { int64_t res; pos -= FFMIN(buffer_size>>1, pos); if ((res = s->seek(s->opaque, pos, SEEK_SET)) < 0) return res; s->buf_end = s->buf_ptr = s->buffer; s->pos = pos; s->eof_reached = 0; fill_buffer(s); return avio_seek(s, offset, SEEK_SET | force); } else { int64_t res; if (s->write_flag) { flush_buffer(s); } if (!s->seek) return AVERROR(EPIPE); if ((res = s->seek(s->opaque, offset, SEEK_SET)) < 0) return res; s->seek_count ++; if (!s->write_flag) s->buf_end = s->buffer; s->buf_ptr = s->buf_ptr_max = s->buffer; s->pos = offset; } s->eof_reached = 0; return offset; }

FFmpeg

eca2a49716ae1f42804dd3545da2f740edf03250

static void coroutine_fn v9fs_rename(void *opaque) { int32_t fid; ssize_t err = 0; size_t offset = 7; V9fsString name; int32_t newdirfid; V9fsFidState *fidp; V9fsPDU *pdu = opaque; V9fsState *s = pdu->s; v9fs_string_init(&name); err = pdu_unmarshal(pdu, offset, "dds", &fid, &newdirfid, &name); if (err < 0) { goto out_nofid; } if (name_is_illegal(name.data)) { err = -ENOENT; goto out_nofid; } if (!strcmp(".", name.data) || !strcmp("..", name.data)) { err = -EISDIR; goto out_nofid; } fidp = get_fid(pdu, fid); if (fidp == NULL) { err = -ENOENT; goto out_nofid; } BUG_ON(fidp->fid_type != P9_FID_NONE); /* if fs driver is not path based, return EOPNOTSUPP */ if (!(pdu->s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT)) { err = -EOPNOTSUPP; goto out; } v9fs_path_write_lock(s); err = v9fs_complete_rename(pdu, fidp, newdirfid, &name); v9fs_path_unlock(s); if (!err) { err = offset; } out: put_fid(pdu, fidp); out_nofid: pdu_complete(pdu, err); v9fs_string_free(&name); }

qemu

49dd946bb5419681c8668b09a6d10f42bc707b78

AVVDPAUContext *av_vdpau_alloc_context(void) { return av_mallocz(sizeof(AVVDPAUContext)); }

FFmpeg

3a6ded7cfcb33e06ade98c5791eae06453f65668

static AVBufferRef *pool_alloc_buffer(AVBufferPool *pool) { BufferPoolEntry *buf; AVBufferRef *ret; ret = pool->alloc(pool->size); if (!ret) return NULL; buf = av_mallocz(sizeof(*buf)); if (!buf) { av_buffer_unref(&ret); return NULL; } buf->data = ret->buffer->data; buf->opaque = ret->buffer->opaque; buf->free = ret->buffer->free; buf->pool = pool; ret->buffer->opaque = buf; ret->buffer->free = pool_release_buffer; avpriv_atomic_int_add_and_fetch(&pool->refcount, 1); return ret; }

FFmpeg

cea3a63ba3d89d8403eef008f7a7c54d645cff70

static void compute_frame_duration(int *pnum, int *pden, AVStream *st, AVCodecParserContext *pc, AVPacket *pkt) { int frame_size; *pnum = 0; *pden = 0; switch(st->codec.codec_type) { case CODEC_TYPE_VIDEO: if(st->time_base.num*1000 > st->time_base.den){ *pnum = st->time_base.num; *pden = st->time_base.den; }else if(st->codec.time_base.num*1000 > st->codec.time_base.den){ *pnum = st->codec.time_base.num; *pden = st->codec.time_base.den; if (pc && pc->repeat_pict) { *pden *= 2; *pnum = (*pnum) * (2 + pc->repeat_pict); } } break; case CODEC_TYPE_AUDIO: frame_size = get_audio_frame_size(&st->codec, pkt->size); if (frame_size < 0) break; *pnum = frame_size; *pden = st->codec.sample_rate; break; default: break; } }

FFmpeg

1677155df8ee2dbf6c99738b289e27c2237506bd

static int vdi_check(BlockDriverState *bs) { /* TODO: additional checks possible. */ BDRVVdiState *s = (BDRVVdiState *)bs->opaque; int n_errors = 0; uint32_t blocks_allocated = 0; uint32_t block; uint32_t *bmap; logout("\n"); bmap = qemu_malloc(s->header.blocks_in_image * sizeof(uint32_t)); memset(bmap, 0xff, s->header.blocks_in_image * sizeof(uint32_t)); /* Check block map and value of blocks_allocated. */ for (block = 0; block < s->header.blocks_in_image; block++) { uint32_t bmap_entry = le32_to_cpu(s->bmap[block]); if (bmap_entry != VDI_UNALLOCATED) { if (bmap_entry < s->header.blocks_in_image) { blocks_allocated++; if (bmap[bmap_entry] == VDI_UNALLOCATED) { bmap[bmap_entry] = bmap_entry; } else { fprintf(stderr, "ERROR: block index %" PRIu32 " also used by %" PRIu32 "\n", bmap[bmap_entry], bmap_entry); } } else { fprintf(stderr, "ERROR: block index %" PRIu32 " too large, is %" PRIu32 "\n", block, bmap_entry); n_errors++; } } } if (blocks_allocated != s->header.blocks_allocated) { fprintf(stderr, "ERROR: allocated blocks mismatch, is %" PRIu32 ", should be %" PRIu32 "\n", blocks_allocated, s->header.blocks_allocated); n_errors++; } qemu_free(bmap); return n_errors; }

qemu

9ac228e02cf16202547e7025ef300369e0db7781

static void submit_pdu(V9fsState *s, V9fsPDU *pdu) { pdu_handler_t *handler; if (debug_9p_pdu) { pprint_pdu(pdu); } BUG_ON(pdu->id >= ARRAY_SIZE(pdu_handlers)); handler = pdu_handlers[pdu->id]; BUG_ON(handler == NULL); handler(s, pdu); }

qemu

5c3234c6c037943bd4c2d643a1b8cc35f563dbdb

uint64_t helper_addqv (uint64_t op1, uint64_t op2) { uint64_t tmp = op1; op1 += op2; if (unlikely((tmp ^ op2 ^ (-1ULL)) & (tmp ^ op1) & (1ULL << 63))) { arith_excp(env, GETPC(), EXC_M_IOV, 0); } return op1; }

qemu

2958620f67dcfd11476e62b4ca704dae0b978ea3

static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s, unsigned mode, unsigned offset, uint32_t mem_value) { int x; unsigned val = mem_value; uint8_t *dst; dst = s->vram_ptr + offset; for (x = 0; x < 8; x++) { if (val & 0x80) { *dst = s->cirrus_shadow_gr1; } else if (mode == 5) { *dst = s->cirrus_shadow_gr0; } val <<= 1; dst++; } cpu_physical_memory_set_dirty(s->vram_offset + offset); cpu_physical_memory_set_dirty(s->vram_offset + offset + 7); }

qemu

b2eb849d4b1fdb6f35d5c46958c7f703cf64cfef

void translator_loop(const TranslatorOps *ops, DisasContextBase *db, CPUState *cpu, TranslationBlock *tb) { int max_insns; /* Initialize DisasContext */ db->tb = tb; db->pc_first = tb->pc; db->pc_next = db->pc_first; db->is_jmp = DISAS_NEXT; db->num_insns = 0; db->singlestep_enabled = cpu->singlestep_enabled; /* Instruction counting */ max_insns = db->tb->cflags & CF_COUNT_MASK; if (max_insns == 0) { max_insns = CF_COUNT_MASK; } if (max_insns > TCG_MAX_INSNS) { max_insns = TCG_MAX_INSNS; } if (db->singlestep_enabled || singlestep) { max_insns = 1; } max_insns = ops->init_disas_context(db, cpu, max_insns); tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */ /* Reset the temp count so that we can identify leaks */ tcg_clear_temp_count(); /* Start translating. */ gen_tb_start(db->tb); ops->tb_start(db, cpu); tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */ while (true) { db->num_insns++; ops->insn_start(db, cpu); tcg_debug_assert(db->is_jmp == DISAS_NEXT); /* no early exit */ /* Pass breakpoint hits to target for further processing */ if (unlikely(!QTAILQ_EMPTY(&cpu->breakpoints))) { CPUBreakpoint *bp; QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { if (bp->pc == db->pc_next) { if (ops->breakpoint_check(db, cpu, bp)) { break; } } } /* The breakpoint_check hook may use DISAS_TOO_MANY to indicate that only one more instruction is to be executed. Otherwise it should use DISAS_NORETURN when generating an exception, but may use a DISAS_TARGET_* value for Something Else. */ if (db->is_jmp > DISAS_TOO_MANY) { break; } } /* Disassemble one instruction. The translate_insn hook should update db->pc_next and db->is_jmp to indicate what should be done next -- either exiting this loop or locate the start of the next instruction. */ if (db->num_insns == max_insns && (db->tb->cflags & CF_LAST_IO)) { /* Accept I/O on the last instruction. */ gen_io_start(); ops->translate_insn(db, cpu); gen_io_end(); } else { ops->translate_insn(db, cpu); } /* Stop translation if translate_insn so indicated. */ if (db->is_jmp != DISAS_NEXT) { break; } /* Stop translation if the output buffer is full, or we have executed all of the allowed instructions. */ if (tcg_op_buf_full() || db->num_insns >= max_insns) { db->is_jmp = DISAS_TOO_MANY; break; } } /* Emit code to exit the TB, as indicated by db->is_jmp. */ ops->tb_stop(db, cpu); gen_tb_end(db->tb, db->num_insns); /* The disas_log hook may use these values rather than recompute. */ db->tb->size = db->pc_next - db->pc_first; db->tb->icount = db->num_insns; #ifdef DEBUG_DISAS if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM) && qemu_log_in_addr_range(db->pc_first)) { qemu_log_lock(); qemu_log("----------------\n"); ops->disas_log(db, cpu); qemu_log("\n"); qemu_log_unlock(); } #endif }

qemu

c5a49c63fa26e8825ad101dfe86339ae4c216539

static int load_apply_palette(FFFrameSync *fs) { AVFilterContext *ctx = fs->parent; AVFilterLink *inlink = ctx->inputs[0]; PaletteUseContext *s = ctx->priv; AVFrame *master, *second, *out = NULL; int ret; // writable for error diffusal dithering ret = ff_framesync_dualinput_get_writable(fs, &master, &second); if (ret < 0) return ret; if (!master || !second) { ret = AVERROR_BUG; goto error; } if (!s->palette_loaded) { load_palette(s, second); } ret = apply_palette(inlink, master, &out); if (ret < 0) goto error; return ff_filter_frame(ctx->outputs[0], out); error: av_frame_free(&master); av_frame_free(&second); return ret; }

FFmpeg

631fa0432be8968e0fd372595749b918224946df

void avfilter_uninit(void) { memset(registered_avfilters, 0, sizeof(registered_avfilters)); next_registered_avfilter_idx = 0; }

FFmpeg

fa2a34cd40d124161c748bb0f430dc63c94dd0da

int pcm_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { AVStream *st; int block_align, byte_rate; int64_t pos; st = s->streams[0]; block_align = st->codec->block_align ? st->codec->block_align : (av_get_bits_per_sample(st->codec->codec_id) * st->codec->channels) >> 3; byte_rate = st->codec->bit_rate ? st->codec->bit_rate >> 3 : block_align * st->codec->sample_rate; if (block_align <= 0 || byte_rate <= 0) return -1; /* compute the position by aligning it to block_align */ pos = av_rescale_rnd(timestamp * byte_rate, st->time_base.num, st->time_base.den * (int64_t)block_align, (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : AV_ROUND_UP); pos *= block_align; /* recompute exact position */ st->cur_dts = av_rescale(pos, st->time_base.den, byte_rate * (int64_t)st->time_base.num); url_fseek(s->pb, pos + s->data_offset, SEEK_SET); return 0; }

FFmpeg

d701934bef6ff6868c0a2179b7b9105c7a49b41f

void show_pix_fmts(void) { list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB); }

FFmpeg

9cb5c760d73e08bcd5d441d261abe67d472e98ee

static int spdif_get_offset_and_codec(AVFormatContext *s, enum IEC61937DataType data_type, const char *buf, int *offset, enum AVCodecID *codec) { AACADTSHeaderInfo aac_hdr; GetBitContext gbc; switch (data_type & 0xff) { case IEC61937_AC3: *offset = AC3_FRAME_SIZE << 2; *codec = AV_CODEC_ID_AC3; break; case IEC61937_MPEG1_LAYER1: *offset = spdif_mpeg_pkt_offset[1][0]; *codec = AV_CODEC_ID_MP1; break; case IEC61937_MPEG1_LAYER23: *offset = spdif_mpeg_pkt_offset[1][0]; *codec = AV_CODEC_ID_MP3; break; case IEC61937_MPEG2_EXT: *offset = 4608; *codec = AV_CODEC_ID_MP3; break; case IEC61937_MPEG2_AAC: init_get_bits(&gbc, buf, AAC_ADTS_HEADER_SIZE * 8); if (avpriv_aac_parse_header(&gbc, &aac_hdr)) { if (s) /* be silent during a probe */ av_log(s, AV_LOG_ERROR, "Invalid AAC packet in IEC 61937\n"); return AVERROR_INVALIDDATA; } *offset = aac_hdr.samples << 2; *codec = AV_CODEC_ID_AAC; break; case IEC61937_MPEG2_LAYER1_LSF: *offset = spdif_mpeg_pkt_offset[0][0]; *codec = AV_CODEC_ID_MP1; break; case IEC61937_MPEG2_LAYER2_LSF: *offset = spdif_mpeg_pkt_offset[0][1]; *codec = AV_CODEC_ID_MP2; break; case IEC61937_MPEG2_LAYER3_LSF: *offset = spdif_mpeg_pkt_offset[0][2]; *codec = AV_CODEC_ID_MP3; break; case IEC61937_DTS1: *offset = 2048; *codec = AV_CODEC_ID_DTS; break; case IEC61937_DTS2: *offset = 4096; *codec = AV_CODEC_ID_DTS; break; case IEC61937_DTS3: *offset = 8192; *codec = AV_CODEC_ID_DTS; break; default: if (s) { /* be silent during a probe */ avpriv_request_sample(s, "Data type 0x%04x in IEC 61937", data_type); } return AVERROR_PATCHWELCOME; } return 0; }

FFmpeg

f86387b6c2b11650cb9d5a8fd886be76e48c665b

static av_cold int seqvideo_decode_init(AVCodecContext *avctx) { SeqVideoContext *seq = avctx->priv_data; seq->avctx = avctx; avctx->pix_fmt = AV_PIX_FMT_PAL8; seq->frame.data[0] = NULL; return 0; }

FFmpeg

3b199d29cd597a3518136d78860e172060b9e83d

void set_context_opts(void *ctx, void *opts_ctx, int flags, AVCodec *codec) { int i; void *priv_ctx=NULL; if(!strcmp("AVCodecContext", (*(AVClass**)ctx)->class_name)){ AVCodecContext *avctx= ctx; if(codec && codec->priv_class && avctx->priv_data){ priv_ctx= avctx->priv_data; } } else if (!strcmp("AVFormatContext", (*(AVClass**)ctx)->class_name)) { AVFormatContext *avctx = ctx; if (avctx->oformat && avctx->oformat->priv_class) { priv_ctx = avctx->priv_data; } } for(i=0; i<opt_name_count; i++){ char buf[256]; const AVOption *opt; const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf)); /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */ if(str && ((opt->flags & flags) == flags)) av_set_string3(ctx, opt_names[i], str, 1, NULL); /* We need to use a differnt system to pass options to the private context because it is not known which codec and thus context kind that will be when parsing options we thus use opt_values directly instead of opts_ctx */ if(!str && priv_ctx) { if (av_find_opt(priv_ctx, opt_names[i], NULL, flags, flags)) av_set_string3(priv_ctx, opt_names[i], opt_values[i], 0, NULL); } } }

FFmpeg

d319064465e148b8adb53d1ea5d38c09f987056e

int av_vsrc_buffer_add_frame(AVFilterContext *buffer_filter, AVFrame *frame, int64_t pts, AVRational pixel_aspect) { BufferSourceContext *c = buffer_filter->priv; AVFilterBufferRef *buf; int ret; if (!buf) { c->eof = 1; return 0; } else if (c->eof) return AVERROR(EINVAL); if (!av_fifo_space(c->fifo) && (ret = av_fifo_realloc2(c->fifo, av_fifo_size(c->fifo) + sizeof(buf))) < 0) return ret; CHECK_PARAM_CHANGE(buffer_filter, c, frame->width, frame->height, frame->format); buf = avfilter_get_video_buffer(buffer_filter->outputs[0], AV_PERM_WRITE, c->w, c->h); av_image_copy(buf->data, buf->linesize, frame->data, frame->linesize, c->pix_fmt, c->w, c->h); avfilter_copy_frame_props(buf, frame); buf->pts = pts; buf->video->pixel_aspect = pixel_aspect; if ((ret = av_fifo_generic_write(c->fifo, &buf, sizeof(buf), NULL)) < 0) { avfilter_unref_buffer(buf); return ret; } return 0; }

FFmpeg

7bf9e3391fa21d90ff283fc03a12287fe73db9e8

static int decode_byterun(uint8_t *dst, int dst_size, const uint8_t *buf, const uint8_t *const buf_end) { const uint8_t *const buf_start = buf; unsigned x; for (x = 0; x < dst_size && buf < buf_end;) { unsigned length; const int8_t value = *buf++; if (value >= 0) { length = value + 1; memcpy(dst + x, buf, FFMIN3(length, dst_size - x, buf_end - buf)); buf += length; } else if (value > -128) { length = -value + 1; memset(dst + x, *buf++, FFMIN(length, dst_size - x)); } else { // noop continue; } x += length; } if (x < dst_size) { av_log(NULL, AV_LOG_WARNING, "decode_byterun ended before plane size\n"); memset(dst+x, 0, dst_size - x); } return buf - buf_start; }

FFmpeg

4843227b2ca6876d07caddddd62e58e52d67e94f

uint64_t blk_mig_bytes_total(void) { BlkMigDevState *bmds; uint64_t sum = 0; QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) { sum += bmds->total_sectors; } return sum << BDRV_SECTOR_BITS; }

qemu

60fe637bf0e4d7989e21e50f52526444765c63b4

theora_header (AVFormatContext * s, int idx) { struct ogg *ogg = s->priv_data; struct ogg_stream *os = ogg->streams + idx; AVStream *st = s->streams[idx]; struct theora_params *thp = os->private; int cds = st->codec->extradata_size + os->psize + 2; uint8_t *cdp; if(!(os->buf[os->pstart] & 0x80)) return 0; if(!thp){ thp = av_mallocz(sizeof(*thp)); os->private = thp; if (os->buf[os->pstart] == 0x80) { GetBitContext gb; int width, height; init_get_bits(&gb, os->buf + os->pstart, os->psize*8); skip_bits_long(&gb, 7*8); /* 0x80"theora" */ thp->version = get_bits_long(&gb, 24); if (thp->version < 0x030100) { av_log(s, AV_LOG_ERROR, "Too old or unsupported Theora (%x)\n", thp->version); return -1; width = get_bits(&gb, 16) << 4; height = get_bits(&gb, 16) << 4; avcodec_set_dimensions(st->codec, width, height); if (thp->version >= 0x030400) skip_bits(&gb, 100); if (thp->version >= 0x030200) { width = get_bits_long(&gb, 24); height = get_bits_long(&gb, 24); if ( width <= st->codec->width && width > st->codec->width-16 && height <= st->codec->height && height > st->codec->height-16) avcodec_set_dimensions(st->codec, width, height); skip_bits(&gb, 16); st->codec->time_base.den = get_bits_long(&gb, 32); st->codec->time_base.num = get_bits_long(&gb, 32); st->time_base = st->codec->time_base; st->sample_aspect_ratio.num = get_bits_long(&gb, 24); st->sample_aspect_ratio.den = get_bits_long(&gb, 24); if (thp->version >= 0x030200) skip_bits_long(&gb, 38); if (thp->version >= 0x304000) skip_bits(&gb, 2); thp->gpshift = get_bits(&gb, 5); thp->gpmask = (1 << thp->gpshift) - 1; st->codec->codec_type = CODEC_TYPE_VIDEO; st->codec->codec_id = CODEC_ID_THEORA; } else if (os->buf[os->pstart] == 0x83) { vorbis_comment (s, os->buf + os->pstart + 7, os->psize - 8); st->codec->extradata = av_realloc (st->codec->extradata, cds + FF_INPUT_BUFFER_PADDING_SIZE); cdp = st->codec->extradata + st->codec->extradata_size; *cdp++ = os->psize >> 8; *cdp++ = os->psize & 0xff; memcpy (cdp, os->buf + os->pstart, os->psize); st->codec->extradata_size = cds; return 1;

FFmpeg

11d058b7b351db8fb73104c847c5cc43b91735c6

static TAPState *net_tap_fd_init(VLANState *vlan, const char *model, const char *name, int fd) { TAPState *s; s = qemu_mallocz(sizeof(TAPState)); s->fd = fd; s->vc = qemu_new_vlan_client(vlan, model, name, tap_receive, NULL, s); s->vc->fd_readv = tap_receive_iov; qemu_set_fd_handler(s->fd, tap_send, NULL, s); snprintf(s->vc->info_str, sizeof(s->vc->info_str), "fd=%d", fd); return s; }

qemu

b946a1533209f61a93e34898aebb5b43154b99c3

static int write_refcount_block_entries(BlockDriverState *bs, int64_t refcount_block_offset, int first_index, int last_index) { BDRVQcowState *s = bs->opaque; size_t size; int ret; if (cache_refcount_updates) { return 0; } if (first_index < 0) { return 0; } first_index &= ~(REFCOUNTS_PER_SECTOR - 1); last_index = (last_index + REFCOUNTS_PER_SECTOR) & ~(REFCOUNTS_PER_SECTOR - 1); size = (last_index - first_index) << REFCOUNT_SHIFT; BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_UPDATE_PART); ret = bdrv_pwrite(bs->file, refcount_block_offset + (first_index << REFCOUNT_SHIFT), &s->refcount_block_cache[first_index], size); if (ret < 0) { return ret; } return 0; }

qemu

8b3b720620a1137a1b794fc3ed64734236f94e06

static int t15(InterplayACMContext *s, unsigned ind, unsigned col) { GetBitContext *gb = &s->gb; unsigned i, b; int n1, n2, n3; for (i = 0; i < s->rows; i++) { /* b = (x1) + (x2 * 3) + (x3 * 9) */ b = get_bits(gb, 5); n1 = (mul_3x3[b] & 0x0F) - 1; n2 = ((mul_3x3[b] >> 4) & 0x0F) - 1; n3 = ((mul_3x3[b] >> 8) & 0x0F) - 1; set_pos(s, i++, col, n1); if (i >= s->rows) break; set_pos(s, i++, col, n2); if (i >= s->rows) break; set_pos(s, i, col, n3); return 0;

FFmpeg

14e4e26559697cfdea584767be4e68474a0a9c7f

void do_load_6xx_tlb (int is_code) { target_ulong RPN, CMP, EPN; int way; RPN = env->spr[SPR_RPA]; if (is_code) { CMP = env->spr[SPR_ICMP]; EPN = env->spr[SPR_IMISS]; } else { CMP = env->spr[SPR_DCMP]; EPN = env->spr[SPR_DMISS]; } way = (env->spr[SPR_SRR1] >> 17) & 1; #if defined (DEBUG_SOFTWARE_TLB) if (loglevel != 0) { fprintf(logfile, "%s: EPN %08lx %08lx PTE0 %08lx PTE1 %08lx way %d\n", __func__, (unsigned long)T0, (unsigned long)EPN, (unsigned long)CMP, (unsigned long)RPN, way); } #endif /* Store this TLB */ ppc6xx_tlb_store(env, T0 & TARGET_PAGE_MASK, way, is_code, CMP, RPN); }

qemu

d9bce9d99f4656ae0b0127f7472db9067b8f84ab

void helper_dcbz(CPUPPCState *env, target_ulong addr, uint32_t is_dcbzl) { int dcbz_size = env->dcache_line_size; #if defined(TARGET_PPC64) if (!is_dcbzl && (env->excp_model == POWERPC_EXCP_970) && ((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) { dcbz_size = 32; } #endif /* XXX add e500mc support */ do_dcbz(env, addr, dcbz_size, GETPC()); }

qemu

c9f82d013be0d8d9c5d9f51bb76e337a0a5a5cac

envlist_create(void) { envlist_t *envlist; if ((envlist = malloc(sizeof (*envlist))) == NULL) return (NULL); QLIST_INIT(&envlist->el_entries); envlist->el_count = 0; return (envlist); }

qemu

ec45bbe5f1921c6553fbf9c0c76b358b0403c22d

static void gen_ori(DisasContext *ctx) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ /* XXX: should handle special NOPs for POWER series */ return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); }

qemu

b68e60e6f0d2865e961a800fb8db96a7fc6494c4

static void close(AVCodecParserContext *s) { H264Context *h = s->priv_data; ParseContext *pc = &h->s.parse_context; av_free(pc->buffer); }

FFmpeg

15861962a7a9e64fbe75f5cc0dc7d1c032db8dd5

static void sch_handle_start_func(SubchDev *sch, ORB *orb) { PMCW *p = &sch->curr_status.pmcw; SCSW *s = &sch->curr_status.scsw; int path; int ret; /* Path management: In our simple css, we always choose the only path. */ path = 0x80; if (!(s->ctrl & SCSW_ACTL_SUSP)) { /* Look at the orb and try to execute the channel program. */ assert(orb != NULL); /* resume does not pass an orb */ p->intparm = orb->intparm; if (!(orb->lpm & path)) { /* Generate a deferred cc 3 condition. */ s->flags |= SCSW_FLAGS_MASK_CC; s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= (SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND); return; } sch->ccw_fmt_1 = !!(orb->ctrl0 & ORB_CTRL0_MASK_FMT); sch->ccw_no_data_cnt = 0; } else { s->ctrl &= ~(SCSW_ACTL_SUSP | SCSW_ACTL_RESUME_PEND); } sch->last_cmd_valid = false; do { ret = css_interpret_ccw(sch, sch->channel_prog); switch (ret) { case -EAGAIN: /* ccw chain, continue processing */ break; case 0: /* success */ s->ctrl &= ~SCSW_ACTL_START_PEND; s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_STATUS_PEND; s->dstat = SCSW_DSTAT_CHANNEL_END | SCSW_DSTAT_DEVICE_END; s->cpa = sch->channel_prog + 8; break; case -ENOSYS: /* unsupported command, generate unit check (command reject) */ s->ctrl &= ~SCSW_ACTL_START_PEND; s->dstat = SCSW_DSTAT_UNIT_CHECK; /* Set sense bit 0 in ecw0. */ sch->sense_data[0] = 0x80; s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; s->cpa = sch->channel_prog + 8; break; case -EFAULT: /* memory problem, generate channel data check */ s->ctrl &= ~SCSW_ACTL_START_PEND; s->cstat = SCSW_CSTAT_DATA_CHECK; s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; s->cpa = sch->channel_prog + 8; break; case -EBUSY: /* subchannel busy, generate deferred cc 1 */ s->flags &= ~SCSW_FLAGS_MASK_CC; s->flags |= (1 << 8); s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; break; case -EINPROGRESS: /* channel program has been suspended */ s->ctrl &= ~SCSW_ACTL_START_PEND; s->ctrl |= SCSW_ACTL_SUSP; break; default: /* error, generate channel program check */ s->ctrl &= ~SCSW_ACTL_START_PEND; s->cstat = SCSW_CSTAT_PROG_CHECK; s->ctrl &= ~SCSW_CTRL_MASK_STCTL; s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; s->cpa = sch->channel_prog + 8; break; } } while (ret == -EAGAIN); }

qemu

6b7741c2bedeae2e8c54fffce81723ca0a0c25c0

static int net_vhost_chardev_opts(void *opaque, const char *name, const char *value, Error **errp) { VhostUserChardevProps *props = opaque; if (strcmp(name, "backend") == 0 && strcmp(value, "socket") == 0) { props->is_socket = true; } else if (strcmp(name, "path") == 0) { props->is_unix = true; } else if (strcmp(name, "server") == 0) { } else { error_setg(errp, "vhost-user does not support a chardev with option %s=%s", name, value); return -1; } return 0; }

qemu

0a73336d96397c80881219d080518fac6f1ecacb

static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; const uint8_t *buf_end = avpkt->data + avpkt->size; int buf_size = avpkt->size; DPXContext *const s = avctx->priv_data; AVFrame *picture = data; AVFrame *const p = &s->picture; uint8_t *ptr; int magic_num, offset, endian; int x, y; int w, h, stride, bits_per_color, descriptor, elements, target_packet_size, source_packet_size; unsigned int rgbBuffer; magic_num = AV_RB32(buf); buf += 4; /* Check if the files "magic number" is "SDPX" which means it uses * big-endian or XPDS which is for little-endian files */ if (magic_num == AV_RL32("SDPX")) { endian = 0; } else if (magic_num == AV_RB32("SDPX")) { endian = 1; } else { av_log(avctx, AV_LOG_ERROR, "DPX marker not found\n"); offset = read32(&buf, endian); // Need to end in 0x304 offset from start of file buf = avpkt->data + 0x304; w = read32(&buf, endian); h = read32(&buf, endian); // Need to end in 0x320 to read the descriptor buf += 20; descriptor = buf[0]; // Need to end in 0x323 to read the bits per color buf += 3; avctx->bits_per_raw_sample = bits_per_color = buf[0]; switch (descriptor) { case 51: // RGBA elements = 4; break; case 50: // RGB elements = 3; break; default: av_log(avctx, AV_LOG_ERROR, "Unsupported descriptor %d\n", descriptor); switch (bits_per_color) { case 8: if (elements == 4) { avctx->pix_fmt = PIX_FMT_RGBA; } else { avctx->pix_fmt = PIX_FMT_RGB24; source_packet_size = elements; target_packet_size = elements; break; case 10: avctx->pix_fmt = PIX_FMT_RGB48; target_packet_size = 6; source_packet_size = elements * 2; break; case 12: case 16: if (endian) { avctx->pix_fmt = PIX_FMT_RGB48BE; } else { avctx->pix_fmt = PIX_FMT_RGB48LE; target_packet_size = 6; source_packet_size = elements * 2; break; default: av_log(avctx, AV_LOG_ERROR, "Unsupported color depth : %d\n", bits_per_color); if (s->picture.data[0]) avctx->release_buffer(avctx, &s->picture); if (av_image_check_size(w, h, 0, avctx)) if (w != avctx->width || h != avctx->height) avcodec_set_dimensions(avctx, w, h); if (avctx->get_buffer(avctx, p) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); // Move pointer to offset from start of file buf = avpkt->data + offset; ptr = p->data[0]; stride = p->linesize[0]; switch (bits_per_color) { case 10: for (x = 0; x < avctx->height; x++) { uint16_t *dst = (uint16_t*)ptr; for (y = 0; y < avctx->width; y++) { rgbBuffer = read32(&buf, endian); // Read out the 10-bit colors and convert to 16-bit *dst++ = make_16bit(rgbBuffer >> 16); *dst++ = make_16bit(rgbBuffer >> 6); *dst++ = make_16bit(rgbBuffer << 4); ptr += stride; break; case 8: case 12: // Treat 12-bit as 16-bit case 16: if (source_packet_size == target_packet_size) { for (x = 0; x < avctx->height; x++) { memcpy(ptr, buf, target_packet_size*avctx->width); ptr += stride; buf += source_packet_size*avctx->width; } else { for (x = 0; x < avctx->height; x++) { uint8_t *dst = ptr; for (y = 0; y < avctx->width; y++) { memcpy(dst, buf, target_packet_size); dst += target_packet_size; buf += source_packet_size; ptr += stride; break; *picture = s->picture; *data_size = sizeof(AVPicture); return buf_size;

FFmpeg

fea714ecd9de557054b2540119f6b5635ba0e636

static int mpeg_decode_mb(MpegEncContext *s, DCTELEM block[12][64]) { int i, j, k, cbp, val, mb_type, motion_type; const int mb_block_count = 4 + (1<< s->chroma_format) dprintf("decode_mb: x=%d y=%d\n", s->mb_x, s->mb_y); assert(s->mb_skiped==0); if (s->mb_skip_run-- != 0) { if(s->pict_type == I_TYPE){ av_log(s->avctx, AV_LOG_ERROR, "skiped MB in I frame at %d %d\n", s->mb_x, s->mb_y); return -1; } /* skip mb */ s->mb_intra = 0; for(i=0;i<12;i++) s->block_last_index[i] = -1; if(s->picture_structure == PICT_FRAME) s->mv_type = MV_TYPE_16X16; else s->mv_type = MV_TYPE_FIELD; if (s->pict_type == P_TYPE) { /* if P type, zero motion vector is implied */ s->mv_dir = MV_DIR_FORWARD; s->mv[0][0][0] = s->mv[0][0][1] = 0; s->last_mv[0][0][0] = s->last_mv[0][0][1] = 0; s->last_mv[0][1][0] = s->last_mv[0][1][1] = 0; s->field_select[0][0]= s->picture_structure - 1; s->mb_skiped = 1; s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16; } else { /* if B type, reuse previous vectors and directions */ s->mv[0][0][0] = s->last_mv[0][0][0]; s->mv[0][0][1] = s->last_mv[0][0][1]; s->mv[1][0][0] = s->last_mv[1][0][0]; s->mv[1][0][1] = s->last_mv[1][0][1]; s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1] | MB_TYPE_SKIP; // assert(s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride - 1]&(MB_TYPE_16x16|MB_TYPE_16x8)); if((s->mv[0][0][0]|s->mv[0][0][1]|s->mv[1][0][0]|s->mv[1][0][1])==0) s->mb_skiped = 1; } return 0; } switch(s->pict_type) { default: case I_TYPE: if (get_bits1(&s->gb) == 0) { if (get_bits1(&s->gb) == 0){ av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in I Frame at %d %d\n", s->mb_x, s->mb_y); return -1; } mb_type = MB_TYPE_QUANT | MB_TYPE_INTRA; } else { mb_type = MB_TYPE_INTRA; } break; case P_TYPE: mb_type = get_vlc2(&s->gb, mb_ptype_vlc.table, MB_PTYPE_VLC_BITS, 1); if (mb_type < 0){ av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in P Frame at %d %d\n", s->mb_x, s->mb_y); return -1; } mb_type = ptype2mb_type[ mb_type ]; break; case B_TYPE: mb_type = get_vlc2(&s->gb, mb_btype_vlc.table, MB_BTYPE_VLC_BITS, 1); if (mb_type < 0){ av_log(s->avctx, AV_LOG_ERROR, "invalid mb type in B Frame at %d %d\n", s->mb_x, s->mb_y); return -1; } mb_type = btype2mb_type[ mb_type ]; break; } dprintf("mb_type=%x\n", mb_type); // motion_type = 0; /* avoid warning */ if (IS_INTRA(mb_type)) { /* compute dct type */ if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var? !s->frame_pred_frame_dct) { s->interlaced_dct = get_bits1(&s->gb); } if (IS_QUANT(mb_type)) s->qscale = get_qscale(s); if (s->concealment_motion_vectors) { /* just parse them */ if (s->picture_structure != PICT_FRAME) skip_bits1(&s->gb); /* field select */ s->mv[0][0][0]= s->last_mv[0][0][0]= s->last_mv[0][1][0] = mpeg_decode_motion(s, s->mpeg_f_code[0][0], s->last_mv[0][0][0]); s->mv[0][0][1]= s->last_mv[0][0][1]= s->last_mv[0][1][1] = mpeg_decode_motion(s, s->mpeg_f_code[0][1], s->last_mv[0][0][1]); skip_bits1(&s->gb); /* marker */ }else memset(s->last_mv, 0, sizeof(s->last_mv)); /* reset mv prediction */ s->mb_intra = 1; #ifdef HAVE_XVMC //one 1 we memcpy blocks in xvmcvideo if(s->avctx->xvmc_acceleration > 1){ XVMC_pack_pblocks(s,-1);//inter are always full blocks if(s->swap_uv){ exchange_uv(s); } } #endif if (s->codec_id == CODEC_ID_MPEG2VIDEO) { for(i=0;i<mb_block_count;i++) { if (mpeg2_decode_block_intra(s, s->pblocks[i], i) < 0) return -1; } } else { for(i=0;i<6;i++) { if (mpeg1_decode_block_intra(s, s->pblocks[i], i) < 0) return -1; } } } else { if (mb_type & MB_TYPE_ZERO_MV){ assert(mb_type & MB_TYPE_CBP); /* compute dct type */ if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var? !s->frame_pred_frame_dct) { s->interlaced_dct = get_bits1(&s->gb); } if (IS_QUANT(mb_type)) s->qscale = get_qscale(s); s->mv_dir = MV_DIR_FORWARD; if(s->picture_structure == PICT_FRAME) s->mv_type = MV_TYPE_16X16; else{ s->mv_type = MV_TYPE_FIELD; mb_type |= MB_TYPE_INTERLACED; s->field_select[0][0]= s->picture_structure - 1; } s->last_mv[0][0][0] = 0; s->last_mv[0][0][1] = 0; s->last_mv[0][1][0] = 0; s->last_mv[0][1][1] = 0; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; }else{ assert(mb_type & MB_TYPE_L0L1); //FIXME decide if MBs in field pictures are MB_TYPE_INTERLACED /* get additionnal motion vector type */ if (s->frame_pred_frame_dct) motion_type = MT_FRAME; else{ motion_type = get_bits(&s->gb, 2); } /* compute dct type */ if (s->picture_structure == PICT_FRAME && //FIXME add a interlaced_dct coded var? !s->frame_pred_frame_dct && HAS_CBP(mb_type)) { s->interlaced_dct = get_bits1(&s->gb); } if (IS_QUANT(mb_type)) s->qscale = get_qscale(s); /* motion vectors */ s->mv_dir = 0; for(i=0;i<2;i++) { if (USES_LIST(mb_type, i)) { s->mv_dir |= (MV_DIR_FORWARD >> i); dprintf("motion_type=%d\n", motion_type); switch(motion_type) { case MT_FRAME: /* or MT_16X8 */ if (s->picture_structure == PICT_FRAME) { /* MT_FRAME */ mb_type |= MB_TYPE_16x16; s->mv_type = MV_TYPE_16X16; s->mv[i][0][0]= s->last_mv[i][0][0]= s->last_mv[i][1][0] = mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]); s->mv[i][0][1]= s->last_mv[i][0][1]= s->last_mv[i][1][1] = mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1]); /* full_pel: only for mpeg1 */ if (s->full_pel[i]){ s->mv[i][0][0] <<= 1; s->mv[i][0][1] <<= 1; } } else { /* MT_16X8 */ mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; s->mv_type = MV_TYPE_16X8; for(j=0;j<2;j++) { s->field_select[i][j] = get_bits1(&s->gb); for(k=0;k<2;k++) { val = mpeg_decode_motion(s, s->mpeg_f_code[i][k], s->last_mv[i][j][k]); s->last_mv[i][j][k] = val; s->mv[i][j][k] = val; } } } break; case MT_FIELD: s->mv_type = MV_TYPE_FIELD; if (s->picture_structure == PICT_FRAME) { mb_type |= MB_TYPE_16x8 | MB_TYPE_INTERLACED; for(j=0;j<2;j++) { s->field_select[i][j] = get_bits1(&s->gb); val = mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][j][0]); s->last_mv[i][j][0] = val; s->mv[i][j][0] = val; dprintf("fmx=%d\n", val); val = mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][j][1] >> 1); s->last_mv[i][j][1] = val << 1; s->mv[i][j][1] = val; dprintf("fmy=%d\n", val); } } else { mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; s->field_select[i][0] = get_bits1(&s->gb); for(k=0;k<2;k++) { val = mpeg_decode_motion(s, s->mpeg_f_code[i][k], s->last_mv[i][0][k]); s->last_mv[i][0][k] = val; s->last_mv[i][1][k] = val; s->mv[i][0][k] = val; } } break; case MT_DMV: { int dmx, dmy, mx, my, m; mx = mpeg_decode_motion(s, s->mpeg_f_code[i][0], s->last_mv[i][0][0]); s->last_mv[i][0][0] = mx; s->last_mv[i][1][0] = mx; dmx = get_dmv(s); my = mpeg_decode_motion(s, s->mpeg_f_code[i][1], s->last_mv[i][0][1] >> 1); dmy = get_dmv(s); s->mv_type = MV_TYPE_DMV; s->last_mv[i][0][1] = my<<1; s->last_mv[i][1][1] = my<<1; s->mv[i][0][0] = mx; s->mv[i][0][1] = my; s->mv[i][1][0] = mx;//not used s->mv[i][1][1] = my;//not used if (s->picture_structure == PICT_FRAME) { mb_type |= MB_TYPE_16x16 | MB_TYPE_INTERLACED; //m = 1 + 2 * s->top_field_first; m = s->top_field_first ? 1 : 3; /* top -> top pred */ s->mv[i][2][0] = ((mx * m + (mx > 0)) >> 1) + dmx; s->mv[i][2][1] = ((my * m + (my > 0)) >> 1) + dmy - 1; m = 4 - m; s->mv[i][3][0] = ((mx * m + (mx > 0)) >> 1) + dmx; s->mv[i][3][1] = ((my * m + (my > 0)) >> 1) + dmy + 1; } else { mb_type |= MB_TYPE_16x16; s->mv[i][2][0] = ((mx + (mx > 0)) >> 1) + dmx; s->mv[i][2][1] = ((my + (my > 0)) >> 1) + dmy; if(s->picture_structure == PICT_TOP_FIELD) s->mv[i][2][1]--; else s->mv[i][2][1]++; } } break; default: av_log(s->avctx, AV_LOG_ERROR, "00 motion_type at %d %d\n", s->mb_x, s->mb_y); return -1; } } } } s->mb_intra = 0; if (HAS_CBP(mb_type)) { cbp = get_vlc2(&s->gb, mb_pat_vlc.table, MB_PAT_VLC_BITS, 1); if (cbp < 0 || ((cbp == 0) && (s->chroma_format < 2)) ){ av_log(s->avctx, AV_LOG_ERROR, "invalid cbp at %d %d\n", s->mb_x, s->mb_y); return -1; } if(mb_block_count > 6){ cbp<<= mb_block_count-6; cbp |= get_bits(&s->gb, mb_block_count-6); } #ifdef HAVE_XVMC //on 1 we memcpy blocks in xvmcvideo if(s->avctx->xvmc_acceleration > 1){ XVMC_pack_pblocks(s,cbp); if(s->swap_uv){ exchange_uv(s); } } #endif if (s->codec_id == CODEC_ID_MPEG2VIDEO) { if(s->flags2 & CODEC_FLAG2_FAST){ for(i=0;i<6;i++) { if(cbp & 32) { mpeg2_fast_decode_block_non_intra(s, s->pblocks[i], i); } else { s->block_last_index[i] = -1; } cbp+=cbp; } }else{ cbp<<= 12-mb_block_count; for(i=0;i<mb_block_count;i++) { if ( cbp & (1<<11) ) { if (mpeg2_decode_block_non_intra(s, s->pblocks[i], i) < 0) return -1; } else { s->block_last_index[i] = -1; } cbp+=cbp; } } } else { if(s->flags2 & CODEC_FLAG2_FAST){ for(i=0;i<6;i++) { if (cbp & 32) { mpeg1_fast_decode_block_inter(s, s->pblocks[i], i); } else { s->block_last_index[i] = -1; } cbp+=cbp; } }else{ for(i=0;i<6;i++) { if (cbp & 32) { if (mpeg1_decode_block_inter(s, s->pblocks[i], i) < 0) return -1; } else { s->block_last_index[i] = -1; } cbp+=cbp; } } } }else{ for(i=0;i<6;i++) s->block_last_index[i] = -1; } } s->current_picture.mb_type[ s->mb_x + s->mb_y*s->mb_stride ]= mb_type; return 0; }

FFmpeg

71434945f20c6d340b4c942de7746e6ea46ec74b

void op_subo (void) { target_ulong tmp; tmp = T0; T0 = (int32_t)T0 - (int32_t)T1; if (!((T0 >> 31) ^ (T1 >> 31) ^ (tmp >> 31))) { CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); } RETURN(); }

qemu

76e050c2e62995f1d6905e28674dea3a7fcff1a5

int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr, int rw, int access_type, int check_BATs) { int ret; #if 0 if (loglevel != 0) { fprintf(logfile, "%s\n", __func__); } #endif if ((access_type == ACCESS_CODE && msr_ir == 0) || (access_type != ACCESS_CODE && msr_dr == 0)) { /* No address translation */ ret = check_physical(env, ctx, eaddr, rw); } else { ret = -1; switch (env->mmu_model) { case POWERPC_MMU_32B: case POWERPC_MMU_SOFT_6xx: case POWERPC_MMU_SOFT_74xx: /* Try to find a BAT */ if (check_BATs) ret = get_bat(env, ctx, eaddr, rw, access_type); /* No break here */ #if defined(TARGET_PPC64) case POWERPC_MMU_64B: case POWERPC_MMU_64BRIDGE: #endif if (ret < 0) { /* We didn't match any BAT entry or don't have BATs */ ret = get_segment(env, ctx, eaddr, rw, access_type); } break; case POWERPC_MMU_SOFT_4xx: case POWERPC_MMU_SOFT_4xx_Z: ret = mmu40x_get_physical_address(env, ctx, eaddr, rw, access_type); break; case POWERPC_MMU_601: /* XXX: TODO */ cpu_abort(env, "601 MMU model not implemented\n"); return -1; case POWERPC_MMU_BOOKE: ret = mmubooke_get_physical_address(env, ctx, eaddr, rw, access_type); break; case POWERPC_MMU_BOOKE_FSL: /* XXX: TODO */ cpu_abort(env, "BookE FSL MMU model not implemented\n"); return -1; case POWERPC_MMU_REAL_4xx: cpu_abort(env, "PowerPC 401 does not do any translation\n"); return -1; default: cpu_abort(env, "Unknown or invalid MMU model\n"); return -1; } } #if 0 if (loglevel != 0) { fprintf(logfile, "%s address " ADDRX " => %d " PADDRX "\n", __func__, eaddr, ret, ctx->raddr); } #endif return ret; }

qemu

12de9a396acbc95e25c5d60ed097cc55777eaaed

uint32_t HELPER(neon_min_f32)(uint32_t a, uint32_t b) { float32 f0 = make_float32(a); float32 f1 = make_float32(b); return (float32_compare_quiet(f0, f1, NFS) == -1) ? a : b; }

qemu

4a9f9cb24de52e93aae7539a004dd20314ca1c0c

static void test_primitive_lists(gconstpointer opaque) { TestArgs *args = (TestArgs *) opaque; const SerializeOps *ops = args->ops; PrimitiveType *pt = args->test_data; PrimitiveList pl = { .value = { NULL } }; PrimitiveList pl_copy = { .value = { NULL } }; PrimitiveList *pl_copy_ptr = &pl_copy; Error *err = NULL; void *serialize_data; void *cur_head = NULL; int i; pl.type = pl_copy.type = pt->type; /* build up our list of primitive types */ for (i = 0; i < 32; i++) { switch (pl.type) { case PTYPE_STRING: { strList *tmp = g_new0(strList, 1); tmp->value = g_strdup(pt->value.string); if (pl.value.strings == NULL) { pl.value.strings = tmp; } else { tmp->next = pl.value.strings; pl.value.strings = tmp; } break; } case PTYPE_INTEGER: { intList *tmp = g_new0(intList, 1); tmp->value = pt->value.integer; if (pl.value.integers == NULL) { pl.value.integers = tmp; } else { tmp->next = pl.value.integers; pl.value.integers = tmp; } break; } case PTYPE_S8: { int8List *tmp = g_new0(int8List, 1); tmp->value = pt->value.s8; if (pl.value.s8_integers == NULL) { pl.value.s8_integers = tmp; } else { tmp->next = pl.value.s8_integers; pl.value.s8_integers = tmp; } break; } case PTYPE_S16: { int16List *tmp = g_new0(int16List, 1); tmp->value = pt->value.s16; if (pl.value.s16_integers == NULL) { pl.value.s16_integers = tmp; } else { tmp->next = pl.value.s16_integers; pl.value.s16_integers = tmp; } break; } case PTYPE_S32: { int32List *tmp = g_new0(int32List, 1); tmp->value = pt->value.s32; if (pl.value.s32_integers == NULL) { pl.value.s32_integers = tmp; } else { tmp->next = pl.value.s32_integers; pl.value.s32_integers = tmp; } break; } case PTYPE_S64: { int64List *tmp = g_new0(int64List, 1); tmp->value = pt->value.s64; if (pl.value.s64_integers == NULL) { pl.value.s64_integers = tmp; } else { tmp->next = pl.value.s64_integers; pl.value.s64_integers = tmp; } break; } case PTYPE_U8: { uint8List *tmp = g_new0(uint8List, 1); tmp->value = pt->value.u8; if (pl.value.u8_integers == NULL) { pl.value.u8_integers = tmp; } else { tmp->next = pl.value.u8_integers; pl.value.u8_integers = tmp; } break; } case PTYPE_U16: { uint16List *tmp = g_new0(uint16List, 1); tmp->value = pt->value.u16; if (pl.value.u16_integers == NULL) { pl.value.u16_integers = tmp; } else { tmp->next = pl.value.u16_integers; pl.value.u16_integers = tmp; } break; } case PTYPE_U32: { uint32List *tmp = g_new0(uint32List, 1); tmp->value = pt->value.u32; if (pl.value.u32_integers == NULL) { pl.value.u32_integers = tmp; } else { tmp->next = pl.value.u32_integers; pl.value.u32_integers = tmp; } break; } case PTYPE_U64: { uint64List *tmp = g_new0(uint64List, 1); tmp->value = pt->value.u64; if (pl.value.u64_integers == NULL) { pl.value.u64_integers = tmp; } else { tmp->next = pl.value.u64_integers; pl.value.u64_integers = tmp; } break; } case PTYPE_NUMBER: { numberList *tmp = g_new0(numberList, 1); tmp->value = pt->value.number; if (pl.value.numbers == NULL) { pl.value.numbers = tmp; } else { tmp->next = pl.value.numbers; pl.value.numbers = tmp; } break; } case PTYPE_BOOLEAN: { boolList *tmp = g_new0(boolList, 1); tmp->value = pt->value.boolean; if (pl.value.booleans == NULL) { pl.value.booleans = tmp; } else { tmp->next = pl.value.booleans; pl.value.booleans = tmp; } break; } default: g_assert_not_reached(); } } ops->serialize((void **)&pl, &serialize_data, visit_primitive_list, &err); ops->deserialize((void **)&pl_copy_ptr, serialize_data, visit_primitive_list, &err); g_assert(err == NULL); i = 0; /* compare our deserialized list of primitives to the original */ do { switch (pl_copy.type) { case PTYPE_STRING: { strList *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.strings; } g_assert_cmpstr(pt->value.string, ==, ptr->value); break; } case PTYPE_INTEGER: { intList *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.integers; } g_assert_cmpint(pt->value.integer, ==, ptr->value); break; } case PTYPE_S8: { int8List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.s8_integers; } g_assert_cmpint(pt->value.s8, ==, ptr->value); break; } case PTYPE_S16: { int16List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.s16_integers; } g_assert_cmpint(pt->value.s16, ==, ptr->value); break; } case PTYPE_S32: { int32List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.s32_integers; } g_assert_cmpint(pt->value.s32, ==, ptr->value); break; } case PTYPE_S64: { int64List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.s64_integers; } g_assert_cmpint(pt->value.s64, ==, ptr->value); break; } case PTYPE_U8: { uint8List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.u8_integers; } g_assert_cmpint(pt->value.u8, ==, ptr->value); break; } case PTYPE_U16: { uint16List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.u16_integers; } g_assert_cmpint(pt->value.u16, ==, ptr->value); break; } case PTYPE_U32: { uint32List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.u32_integers; } g_assert_cmpint(pt->value.u32, ==, ptr->value); break; } case PTYPE_U64: { uint64List *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.u64_integers; } g_assert_cmpint(pt->value.u64, ==, ptr->value); break; } case PTYPE_NUMBER: { numberList *ptr; GString *double_expected = g_string_new(""); GString *double_actual = g_string_new(""); if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.numbers; } /* we serialize with %f for our reference visitors, so rather than * fuzzy floating math to test "equality", just compare the * formatted values */ g_string_printf(double_expected, "%.6f", pt->value.number); g_string_printf(double_actual, "%.6f", ptr->value); g_assert_cmpstr(double_actual->str, ==, double_expected->str); g_string_free(double_expected, true); g_string_free(double_actual, true); break; } case PTYPE_BOOLEAN: { boolList *ptr; if (cur_head) { ptr = cur_head; cur_head = ptr->next; } else { cur_head = ptr = pl_copy.value.booleans; } g_assert_cmpint(!!pt->value.boolean, ==, !!ptr->value); break; } default: g_assert_not_reached(); } i++; } while (cur_head); g_assert_cmpint(i, ==, 33); ops->cleanup(serialize_data); dealloc_helper(&pl, visit_primitive_list, &err); g_assert(!err); dealloc_helper(&pl_copy, visit_primitive_list, &err); g_assert(!err); g_free(args); }

qemu

3f66f764ee25f10d3e1144ebc057a949421b7728

static struct omap_pwl_s *omap_pwl_init(MemoryRegion *system_memory, target_phys_addr_t base, omap_clk clk) { struct omap_pwl_s *s = g_malloc0(sizeof(*s)); omap_pwl_reset(s); memory_region_init_io(&s->iomem, &omap_pwl_ops, s, "omap-pwl", 0x800); memory_region_add_subregion(system_memory, base, &s->iomem); omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]); return s; }

qemu

a8170e5e97ad17ca169c64ba87ae2f53850dab4c

static void gem_transmit(GemState *s) { unsigned desc[2]; target_phys_addr_t packet_desc_addr; uint8_t tx_packet[2048]; uint8_t *p; unsigned total_bytes; /* Do nothing if transmit is not enabled. */ if (!(s->regs[GEM_NWCTRL] & GEM_NWCTRL_TXENA)) { return; } DB_PRINT("\n"); /* The packet we will hand off to qemu. * Packets scattered across multiple descriptors are gathered to this * one contiguous buffer first. */ p = tx_packet; total_bytes = 0; /* read current descriptor */ packet_desc_addr = s->tx_desc_addr; cpu_physical_memory_read(packet_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); /* Handle all descriptors owned by hardware */ while (tx_desc_get_used(desc) == 0) { /* Do nothing if transmit is not enabled. */ if (!(s->regs[GEM_NWCTRL] & GEM_NWCTRL_TXENA)) { return; } print_gem_tx_desc(desc); /* The real hardware would eat this (and possibly crash). * For QEMU let's lend a helping hand. */ if ((tx_desc_get_buffer(desc) == 0) || (tx_desc_get_length(desc) == 0)) { DB_PRINT("Invalid TX descriptor @ 0x%x\n", packet_desc_addr); break; } /* Gather this fragment of the packet from "dma memory" to our contig. * buffer. */ cpu_physical_memory_read(tx_desc_get_buffer(desc), p, tx_desc_get_length(desc)); p += tx_desc_get_length(desc); total_bytes += tx_desc_get_length(desc); /* Last descriptor for this packet; hand the whole thing off */ if (tx_desc_get_last(desc)) { /* Modify the 1st descriptor of this packet to be owned by * the processor. */ cpu_physical_memory_read(s->tx_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); tx_desc_set_used(desc); cpu_physical_memory_write(s->tx_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); /* Advance the hardare current descriptor past this packet */ if (tx_desc_get_wrap(desc)) { s->tx_desc_addr = s->regs[GEM_TXQBASE]; } else { s->tx_desc_addr = packet_desc_addr + 8; } DB_PRINT("TX descriptor next: 0x%08x\n", s->tx_desc_addr); s->regs[GEM_TXSTATUS] |= GEM_TXSTATUS_TXCMPL; /* Handle interrupt consequences */ gem_update_int_status(s); /* Is checksum offload enabled? */ if (s->regs[GEM_DMACFG] & GEM_DMACFG_TXCSUM_OFFL) { net_checksum_calculate(tx_packet, total_bytes); } /* Update MAC statistics */ gem_transmit_updatestats(s, tx_packet, total_bytes); /* Send the packet somewhere */ if (s->phy_loop) { gem_receive(&s->nic->nc, tx_packet, total_bytes); } else { qemu_send_packet(&s->nic->nc, tx_packet, total_bytes); } /* Prepare for next packet */ p = tx_packet; total_bytes = 0; } /* read next descriptor */ if (tx_desc_get_wrap(desc)) { packet_desc_addr = s->regs[GEM_TXQBASE]; } else { packet_desc_addr += 8; } cpu_physical_memory_read(packet_desc_addr, (uint8_t *)&desc[0], sizeof(desc)); } if (tx_desc_get_used(desc)) { s->regs[GEM_TXSTATUS] |= GEM_TXSTATUS_USED; gem_update_int_status(s); } }

qemu

a8170e5e97ad17ca169c64ba87ae2f53850dab4c

static void rx_init_frame(eTSEC *etsec, const uint8_t *buf, size_t size) { uint32_t fcb_size = 0; uint8_t prsdep = (etsec->regs[RCTRL].value >> RCTRL_PRSDEP_OFFSET) & RCTRL_PRSDEP_MASK; if (prsdep != 0) { /* Prepend FCB (FCB size + RCTRL[PAL]) */ fcb_size = 8 + ((etsec->regs[RCTRL].value >> 16) & 0x1F); etsec->rx_fcb_size = fcb_size; /* TODO: fill_FCB(etsec); */ memset(etsec->rx_fcb, 0x0, sizeof(etsec->rx_fcb)); } else { etsec->rx_fcb_size = 0; } if (etsec->rx_buffer != NULL) { g_free(etsec->rx_buffer); } /* Do not copy the frame for now */ etsec->rx_buffer = (uint8_t *)buf; etsec->rx_buffer_len = size; /* CRC padding (We don't have to compute the CRC) */ etsec->rx_padding = 4; etsec->rx_first_in_frame = 1; etsec->rx_remaining_data = etsec->rx_buffer_len; RING_DEBUG("%s: rx_buffer_len:%u rx_padding+crc:%u\n", __func__, etsec->rx_buffer_len, etsec->rx_padding); }

qemu

ef1e1e0782e99c9dcf2b35e5310cdd8ca9211374

static uint32_t qpci_spapr_io_readl(QPCIBus *bus, void *addr) { QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus); uint64_t port = (uintptr_t)addr; uint32_t v; if (port < s->pio.size) { v = readl(s->pio_cpu_base + port); } else { v = readl(s->mmio_cpu_base + port); } return bswap32(v); }

qemu

8360544a6d3a54df1fce80f55ba4ad075a8ded54

void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr) { #if defined(TARGET_MIPS) || defined(TARGET_SH4) CPUArchState *env = cpu->env_ptr; #endif TranslationBlock *tb; uint32_t n, cflags; target_ulong pc, cs_base; uint32_t flags; tb_lock(); tb = tb_find_pc(retaddr); if (!tb) { cpu_abort(cpu, "cpu_io_recompile: could not find TB for pc=%p", (void *)retaddr); } n = cpu->icount_decr.u16.low + tb->icount; cpu_restore_state_from_tb(cpu, tb, retaddr); /* Calculate how many instructions had been executed before the fault occurred. */ n = n - cpu->icount_decr.u16.low; /* Generate a new TB ending on the I/O insn. */ n++; /* On MIPS and SH, delay slot instructions can only be restarted if they were already the first instruction in the TB. If this is not the first instruction in a TB then re-execute the preceding branch. */ #if defined(TARGET_MIPS) if ((env->hflags & MIPS_HFLAG_BMASK) != 0 && n > 1) { env->active_tc.PC -= (env->hflags & MIPS_HFLAG_B16 ? 2 : 4); cpu->icount_decr.u16.low++; env->hflags &= ~MIPS_HFLAG_BMASK; } #elif defined(TARGET_SH4) if ((env->flags & ((DELAY_SLOT | DELAY_SLOT_CONDITIONAL))) != 0 && n > 1) { env->pc -= 2; cpu->icount_decr.u16.low++; env->flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL); } #endif /* This should never happen. */ if (n > CF_COUNT_MASK) { cpu_abort(cpu, "TB too big during recompile"); } cflags = n | CF_LAST_IO; cflags |= curr_cflags(); pc = tb->pc; cs_base = tb->cs_base; flags = tb->flags; tb_phys_invalidate(tb, -1); if (tb->cflags & CF_NOCACHE) { if (tb->orig_tb) { /* Invalidate original TB if this TB was generated in * cpu_exec_nocache() */ tb_phys_invalidate(tb->orig_tb, -1); } tb_free(tb); } /* FIXME: In theory this could raise an exception. In practice we have already translated the block once so it's probably ok. */ tb_gen_code(cpu, pc, cs_base, flags, cflags); /* TODO: If env->pc != tb->pc (i.e. the faulting instruction was not * the first in the TB) then we end up generating a whole new TB and * repeating the fault, which is horribly inefficient. * Better would be to execute just this insn uncached, or generate a * second new TB. * * cpu_loop_exit_noexc will longjmp back to cpu_exec where the * tb_lock gets reset. */ cpu_loop_exit_noexc(cpu); }

qemu

9b990ee5a3cc6aa38f81266fb0c6ef37a36c45b9

START_TEST(unterminated_array) { QObject *obj = qobject_from_json("[32"); fail_unless(obj == NULL); }

qemu

ef76dc59fa5203d146a2acf85a0ad5a5971a4824

static void imx_fec_reset(DeviceState *d) { IMXFECState *s = IMX_FEC(d); /* Reset the FEC */ s->eir = 0; s->eimr = 0; s->rx_enabled = 0; s->ecr = 0; s->mscr = 0; s->mibc = 0xc0000000; s->rcr = 0x05ee0001; s->tcr = 0; s->tfwr = 0; s->frsr = 0x500; s->miigsk_cfgr = 0; s->miigsk_enr = 0x6; /* We also reset the PHY */ phy_reset(s); }

qemu

ccdb81d3274d281d770703417257bd40bcdf4c0e

struct omap_mmc_s *omap2_mmc_init(struct omap_target_agent_s *ta, BlockDriverState *bd, qemu_irq irq, qemu_irq dma[], omap_clk fclk, omap_clk iclk) { struct omap_mmc_s *s = (struct omap_mmc_s *) g_malloc0(sizeof(struct omap_mmc_s)); s->irq = irq; s->dma = dma; s->clk = fclk; s->lines = 4; s->rev = 2; omap_mmc_reset(s); memory_region_init_io(&s->iomem, NULL, &omap_mmc_ops, s, "omap.mmc", omap_l4_region_size(ta, 0)); omap_l4_attach(ta, 0, &s->iomem); /* Instantiate the storage */ s->card = sd_init(bd, false); if (s->card == NULL) { exit(1); } s->cdet = qemu_allocate_irq(omap_mmc_cover_cb, s, 0); sd_set_cb(s->card, NULL, s->cdet); return s; }

qemu

4be746345f13e99e468c60acbd3a355e8183e3ce

int vmstate_register(int instance_id, const VMStateDescription *vmsd, void *opaque) { SaveStateEntry *se; se = qemu_malloc(sizeof(SaveStateEntry)); pstrcpy(se->idstr, sizeof(se->idstr), vmsd->name); se->version_id = vmsd->version_id; se->section_id = global_section_id++; se->save_live_state = NULL; se->save_state = NULL; se->load_state = NULL; se->opaque = opaque; se->vmsd = vmsd; if (instance_id == -1) { se->instance_id = calculate_new_instance_id(vmsd->name); } else { se->instance_id = instance_id; } /* add at the end of list */ TAILQ_INSERT_TAIL(&savevm_handlers, se, entry); return 0; }

qemu

72cf2d4f0e181d0d3a3122e04129c58a95da713e

bool qemu_clock_expired(QEMUClockType type) { return timerlist_expired( main_loop_tlg.tl[type]); }

qemu

c2b38b277a7882a592f4f2ec955084b2b756daaa

static int proxy_opendir(FsContext *ctx, V9fsPath *fs_path, V9fsFidOpenState *fs) { int serrno, fd; fs->dir = NULL; fd = v9fs_request(ctx->private, T_OPEN, NULL, "sd", fs_path, O_DIRECTORY); if (fd < 0) { errno = -fd; return -1; } fs->dir = fdopendir(fd); if (!fs->dir) { serrno = errno; close(fd); errno = serrno; return -1; } return 0; }

qemu

494a8ebe713055d3946183f4b395f85a18b43e9e

static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) { uint32_t rca = 0x0000; uint64_t addr = (sd->ocr & (1 << 30)) ? (uint64_t) req.arg << 9 : req.arg; /* Not interpreting this as an app command */ sd->card_status &= ~APP_CMD; if (sd_cmd_type[req.cmd] == sd_ac || sd_cmd_type[req.cmd] == sd_adtc) rca = req.arg >> 16; DPRINTF("CMD%d 0x%08x state %d\n", req.cmd, req.arg, sd->state); switch (req.cmd) { /* Basic commands (Class 0 and Class 1) */ case 0: /* CMD0: GO_IDLE_STATE */ switch (sd->state) { case sd_inactive_state: return sd->spi ? sd_r1 : sd_r0; default: sd->state = sd_idle_state; sd_reset(sd, sd->bdrv); return sd->spi ? sd_r1 : sd_r0; } break; case 1: /* CMD1: SEND_OP_CMD */ if (!sd->spi) goto bad_cmd; sd->state = sd_transfer_state; return sd_r1; case 2: /* CMD2: ALL_SEND_CID */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_ready_state: sd->state = sd_identification_state; return sd_r2_i; default: break; } break; case 3: /* CMD3: SEND_RELATIVE_ADDR */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_identification_state: case sd_standby_state: sd->state = sd_standby_state; sd_set_rca(sd); return sd_r6; default: break; } break; case 4: /* CMD4: SEND_DSR */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_standby_state: break; default: break; } break; case 5: /* CMD5: reserved for SDIO cards */ return sd_illegal; case 6: /* CMD6: SWITCH_FUNCTION */ if (sd->spi) goto bad_cmd; switch (sd->mode) { case sd_data_transfer_mode: sd_function_switch(sd, req.arg); sd->state = sd_sendingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; case 7: /* CMD7: SELECT/DESELECT_CARD */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_standby_state: if (sd->rca != rca) return sd_r0; sd->state = sd_transfer_state; return sd_r1b; case sd_transfer_state: case sd_sendingdata_state: if (sd->rca == rca) break; sd->state = sd_standby_state; return sd_r1b; case sd_disconnect_state: if (sd->rca != rca) return sd_r0; sd->state = sd_programming_state; return sd_r1b; case sd_programming_state: if (sd->rca == rca) break; sd->state = sd_disconnect_state; return sd_r1b; default: break; } break; case 8: /* CMD8: SEND_IF_COND */ /* Physical Layer Specification Version 2.00 command */ switch (sd->state) { case sd_idle_state: sd->vhs = 0; /* No response if not exactly one VHS bit is set. */ if (!(req.arg >> 8) || (req.arg >> ffs(req.arg & ~0xff))) return sd->spi ? sd_r7 : sd_r0; /* Accept. */ sd->vhs = req.arg; return sd_r7; default: break; } break; case 9: /* CMD9: SEND_CSD */ switch (sd->state) { case sd_standby_state: if (sd->rca != rca) return sd_r0; return sd_r2_s; case sd_transfer_state: if (!sd->spi) break; sd->state = sd_sendingdata_state; memcpy(sd->data, sd->csd, 16); sd->data_start = addr; sd->data_offset = 0; return sd_r1; default: break; } break; case 10: /* CMD10: SEND_CID */ switch (sd->state) { case sd_standby_state: if (sd->rca != rca) return sd_r0; return sd_r2_i; case sd_transfer_state: if (!sd->spi) break; sd->state = sd_sendingdata_state; memcpy(sd->data, sd->cid, 16); sd->data_start = addr; sd->data_offset = 0; return sd_r1; default: break; } break; case 11: /* CMD11: READ_DAT_UNTIL_STOP */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = req.arg; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; return sd_r0; default: break; } break; case 12: /* CMD12: STOP_TRANSMISSION */ switch (sd->state) { case sd_sendingdata_state: sd->state = sd_transfer_state; return sd_r1b; case sd_receivingdata_state: sd->state = sd_programming_state; /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 13: /* CMD13: SEND_STATUS */ switch (sd->mode) { case sd_data_transfer_mode: if (sd->rca != rca) return sd_r0; return sd_r1; default: break; } break; case 15: /* CMD15: GO_INACTIVE_STATE */ if (sd->spi) goto bad_cmd; switch (sd->mode) { case sd_data_transfer_mode: if (sd->rca != rca) return sd_r0; sd->state = sd_inactive_state; return sd_r0; default: break; } break; /* Block read commands (Classs 2) */ case 16: /* CMD16: SET_BLOCKLEN */ switch (sd->state) { case sd_transfer_state: if (req.arg > (1 << HWBLOCK_SHIFT)) sd->card_status |= BLOCK_LEN_ERROR; else sd->blk_len = req.arg; return sd_r1; default: break; } break; case 17: /* CMD17: READ_SINGLE_BLOCK */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = addr; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; return sd_r1; default: break; } break; case 18: /* CMD18: READ_MULTIPLE_BLOCK */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; sd->data_start = addr; sd->data_offset = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; return sd_r1; default: break; } break; /* Block write commands (Class 4) */ case 24: /* CMD24: WRITE_SINGLE_BLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: /* Writing in SPI mode not implemented. */ if (sd->spi) break; sd->state = sd_receivingdata_state; sd->data_start = addr; sd->data_offset = 0; sd->blk_written = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; if (sd_wp_addr(sd, sd->data_start)) sd->card_status |= WP_VIOLATION; if (sd->csd[14] & 0x30) sd->card_status |= WP_VIOLATION; return sd_r1; default: break; } break; case 25: /* CMD25: WRITE_MULTIPLE_BLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: /* Writing in SPI mode not implemented. */ if (sd->spi) break; sd->state = sd_receivingdata_state; sd->data_start = addr; sd->data_offset = 0; sd->blk_written = 0; if (sd->data_start + sd->blk_len > sd->size) sd->card_status |= ADDRESS_ERROR; if (sd_wp_addr(sd, sd->data_start)) sd->card_status |= WP_VIOLATION; if (sd->csd[14] & 0x30) sd->card_status |= WP_VIOLATION; return sd_r1; default: break; } break; case 26: /* CMD26: PROGRAM_CID */ if (sd->spi) goto bad_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; case 27: /* CMD27: PROGRAM_CSD */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; /* Write protection (Class 6) */ case 28: /* CMD28: SET_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: if (addr >= sd->size) { sd->card_status |= ADDRESS_ERROR; return sd_r1b; } sd->state = sd_programming_state; set_bit(sd_addr_to_wpnum(addr), sd->wp_groups); /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 29: /* CMD29: CLR_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: if (addr >= sd->size) { sd->card_status |= ADDRESS_ERROR; return sd_r1b; } sd->state = sd_programming_state; clear_bit(sd_addr_to_wpnum(addr), sd->wp_groups); /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; case 30: /* CMD30: SEND_WRITE_PROT */ switch (sd->state) { case sd_transfer_state: sd->state = sd_sendingdata_state; *(uint32_t *) sd->data = sd_wpbits(sd, req.arg); sd->data_start = addr; sd->data_offset = 0; return sd_r1b; default: break; } break; /* Erase commands (Class 5) */ case 32: /* CMD32: ERASE_WR_BLK_START */ switch (sd->state) { case sd_transfer_state: sd->erase_start = req.arg; return sd_r1; default: break; } break; case 33: /* CMD33: ERASE_WR_BLK_END */ switch (sd->state) { case sd_transfer_state: sd->erase_end = req.arg; return sd_r1; default: break; } break; case 38: /* CMD38: ERASE */ switch (sd->state) { case sd_transfer_state: if (sd->csd[14] & 0x30) { sd->card_status |= WP_VIOLATION; return sd_r1b; } sd->state = sd_programming_state; sd_erase(sd); /* Bzzzzzzztt .... Operation complete. */ sd->state = sd_transfer_state; return sd_r1b; default: break; } break; /* Lock card commands (Class 7) */ case 42: /* CMD42: LOCK_UNLOCK */ if (sd->spi) goto unimplemented_cmd; switch (sd->state) { case sd_transfer_state: sd->state = sd_receivingdata_state; sd->data_start = 0; sd->data_offset = 0; return sd_r1; default: break; } break; case 52: case 53: /* CMD52, CMD53: reserved for SDIO cards * (see the SDIO Simplified Specification V2.0) * Handle as illegal command but do not complain * on stderr, as some OSes may use these in their * probing for presence of an SDIO card. */ return sd_illegal; /* Application specific commands (Class 8) */ case 55: /* CMD55: APP_CMD */ if (sd->rca != rca) return sd_r0; sd->expecting_acmd = true; sd->card_status |= APP_CMD; return sd_r1; case 56: /* CMD56: GEN_CMD */ fprintf(stderr, "SD: GEN_CMD 0x%08x\n", req.arg); switch (sd->state) { case sd_transfer_state: sd->data_offset = 0; if (req.arg & 1) sd->state = sd_sendingdata_state; else sd->state = sd_receivingdata_state; return sd_r1; default: break; } break; default: bad_cmd: fprintf(stderr, "SD: Unknown CMD%i\n", req.cmd); return sd_illegal; unimplemented_cmd: /* Commands that are recognised but not yet implemented in SPI mode. */ fprintf(stderr, "SD: CMD%i not implemented in SPI mode\n", req.cmd); return sd_illegal; } fprintf(stderr, "SD: CMD%i in a wrong state\n", req.cmd); return sd_illegal; }

qemu

4be746345f13e99e468c60acbd3a355e8183e3ce

static void amdvi_mmio_trace(hwaddr addr, unsigned size) { uint8_t index = (addr & ~0x2000) / 8; if ((addr & 0x2000)) { /* high table */ index = index >= AMDVI_MMIO_REGS_HIGH ? AMDVI_MMIO_REGS_HIGH : index; trace_amdvi_mmio_read(amdvi_mmio_high[index], addr, size, addr & ~0x07); } else { index = index >= AMDVI_MMIO_REGS_LOW ? AMDVI_MMIO_REGS_LOW : index; trace_amdvi_mmio_read(amdvi_mmio_high[index], addr, size, addr & ~0x07); } }

qemu

d9429b84af2302b6e28bec3c52710cf67eda3cee

void virtio_cleanup(VirtIODevice *vdev) { qemu_del_vm_change_state_handler(vdev->vmstate); g_free(vdev->config); g_free(vdev->vq); g_free(vdev->vector_queues); }

qemu

c611c76417f52b335ecaab01c61743e3b705eb7c

static void gen_pool32axf (CPUMIPSState *env, DisasContext *ctx, int rt, int rs) { int extension = (ctx->opcode >> 6) & 0x3f; int minor = (ctx->opcode >> 12) & 0xf; uint32_t mips32_op; switch (extension) { case TEQ: mips32_op = OPC_TEQ; goto do_trap; case TGE: mips32_op = OPC_TGE; goto do_trap; case TGEU: mips32_op = OPC_TGEU; goto do_trap; case TLT: mips32_op = OPC_TLT; goto do_trap; case TLTU: mips32_op = OPC_TLTU; goto do_trap; case TNE: mips32_op = OPC_TNE; do_trap: gen_trap(ctx, mips32_op, rs, rt, -1); break; #ifndef CONFIG_USER_ONLY case MFC0: case MFC0 + 32: check_cp0_enabled(ctx); if (rt == 0) { /* Treat as NOP. */ break; } gen_mfc0(ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7); break; case MTC0: case MTC0 + 32: check_cp0_enabled(ctx); { TCGv t0 = tcg_temp_new(); gen_load_gpr(t0, rt); gen_mtc0(ctx, t0, rs, (ctx->opcode >> 11) & 0x7); tcg_temp_free(t0); } break; #endif case 0x2a: switch (minor & 3) { case MADD_ACC: gen_muldiv(ctx, OPC_MADD, (ctx->opcode >> 14) & 3, rs, rt); break; case MADDU_ACC: gen_muldiv(ctx, OPC_MADDU, (ctx->opcode >> 14) & 3, rs, rt); break; case MSUB_ACC: gen_muldiv(ctx, OPC_MSUB, (ctx->opcode >> 14) & 3, rs, rt); break; case MSUBU_ACC: gen_muldiv(ctx, OPC_MSUBU, (ctx->opcode >> 14) & 3, rs, rt); break; default: goto pool32axf_invalid; } break; case 0x32: switch (minor & 3) { case MULT_ACC: gen_muldiv(ctx, OPC_MULT, (ctx->opcode >> 14) & 3, rs, rt); break; case MULTU_ACC: gen_muldiv(ctx, OPC_MULTU, (ctx->opcode >> 14) & 3, rs, rt); break; default: goto pool32axf_invalid; } break; case 0x2c: switch (minor) { case BITSWAP: check_insn(ctx, ISA_MIPS32R6); gen_bitswap(ctx, OPC_BITSWAP, rs, rt); break; case SEB: gen_bshfl(ctx, OPC_SEB, rs, rt); break; case SEH: gen_bshfl(ctx, OPC_SEH, rs, rt); break; case CLO: mips32_op = OPC_CLO; goto do_cl; case CLZ: mips32_op = OPC_CLZ; do_cl: check_insn(ctx, ISA_MIPS32); gen_cl(ctx, mips32_op, rt, rs); break; case RDHWR: gen_rdhwr(ctx, rt, rs); break; case WSBH: gen_bshfl(ctx, OPC_WSBH, rs, rt); break; case MULT: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MULT; goto do_mul; case MULTU: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MULTU; goto do_mul; case DIV: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_DIV; goto do_div; case DIVU: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_DIVU; goto do_div; do_div: check_insn(ctx, ISA_MIPS32); gen_muldiv(ctx, mips32_op, 0, rs, rt); break; case MADD: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MADD; goto do_mul; case MADDU: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MADDU; goto do_mul; case MSUB: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MSUB; goto do_mul; case MSUBU: check_insn_opc_removed(ctx, ISA_MIPS32R6); mips32_op = OPC_MSUBU; do_mul: check_insn(ctx, ISA_MIPS32); gen_muldiv(ctx, mips32_op, 0, rs, rt); break; default: goto pool32axf_invalid; } break; case 0x34: switch (minor) { case MFC2: case MTC2: case MFHC2: case MTHC2: case CFC2: case CTC2: generate_exception_err(ctx, EXCP_CpU, 2); break; default: goto pool32axf_invalid; } break; case 0x3c: switch (minor) { case JALR: /* JALRC */ case JALR_HB: /* JALRC_HB */ if (ctx->insn_flags & ISA_MIPS32R6) { /* JALRC, JALRC_HB */ gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 0); } else { /* JALR, JALR_HB */ gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 4); ctx->hflags |= MIPS_HFLAG_BDS_STRICT; } break; case JALRS: case JALRS_HB: check_insn_opc_removed(ctx, ISA_MIPS32R6); gen_compute_branch(ctx, OPC_JALR, 4, rs, rt, 0, 2); ctx->hflags |= MIPS_HFLAG_BDS_STRICT; break; default: goto pool32axf_invalid; } break; case 0x05: switch (minor) { case RDPGPR: check_cp0_enabled(ctx); check_insn(ctx, ISA_MIPS32R2); gen_load_srsgpr(rs, rt); break; case WRPGPR: check_cp0_enabled(ctx); check_insn(ctx, ISA_MIPS32R2); gen_store_srsgpr(rs, rt); break; default: goto pool32axf_invalid; } break; #ifndef CONFIG_USER_ONLY case 0x0d: switch (minor) { case TLBP: mips32_op = OPC_TLBP; goto do_cp0; case TLBR: mips32_op = OPC_TLBR; goto do_cp0; case TLBWI: mips32_op = OPC_TLBWI; goto do_cp0; case TLBWR: mips32_op = OPC_TLBWR; goto do_cp0; case TLBINV: mips32_op = OPC_TLBINV; goto do_cp0; case TLBINVF: mips32_op = OPC_TLBINVF; goto do_cp0; case WAIT: mips32_op = OPC_WAIT; goto do_cp0; case DERET: mips32_op = OPC_DERET; goto do_cp0; case ERET: mips32_op = OPC_ERET; do_cp0: gen_cp0(env, ctx, mips32_op, rt, rs); break; default: goto pool32axf_invalid; } break; case 0x1d: switch (minor) { case DI: check_cp0_enabled(ctx); { TCGv t0 = tcg_temp_new(); save_cpu_state(ctx, 1); gen_helper_di(t0, cpu_env); gen_store_gpr(t0, rs); /* Stop translation as we may have switched the execution mode */ ctx->bstate = BS_STOP; tcg_temp_free(t0); } break; case EI: check_cp0_enabled(ctx); { TCGv t0 = tcg_temp_new(); save_cpu_state(ctx, 1); gen_helper_ei(t0, cpu_env); gen_store_gpr(t0, rs); /* Stop translation as we may have switched the execution mode */ ctx->bstate = BS_STOP; tcg_temp_free(t0); } break; default: goto pool32axf_invalid; } break; #endif case 0x2d: switch (minor) { case SYNC: /* NOP */ break; case SYSCALL: generate_exception_end(ctx, EXCP_SYSCALL); break; case SDBBP: if (is_uhi(extract32(ctx->opcode, 16, 10))) { gen_helper_do_semihosting(cpu_env); } else { check_insn(ctx, ISA_MIPS32); if (ctx->hflags & MIPS_HFLAG_SBRI) { generate_exception_end(ctx, EXCP_RI); } else { generate_exception_end(ctx, EXCP_DBp); } } break; default: goto pool32axf_invalid; } break; case 0x01: switch (minor & 3) { case MFHI_ACC: gen_HILO(ctx, OPC_MFHI, minor >> 2, rs); break; case MFLO_ACC: gen_HILO(ctx, OPC_MFLO, minor >> 2, rs); break; case MTHI_ACC: gen_HILO(ctx, OPC_MTHI, minor >> 2, rs); break; case MTLO_ACC: gen_HILO(ctx, OPC_MTLO, minor >> 2, rs); break; default: goto pool32axf_invalid; } break; case 0x35: check_insn_opc_removed(ctx, ISA_MIPS32R6); switch (minor) { case MFHI32: gen_HILO(ctx, OPC_MFHI, 0, rs); break; case MFLO32: gen_HILO(ctx, OPC_MFLO, 0, rs); break; case MTHI32: gen_HILO(ctx, OPC_MTHI, 0, rs); break; case MTLO32: gen_HILO(ctx, OPC_MTLO, 0, rs); break; default: goto pool32axf_invalid; } break; default: pool32axf_invalid: MIPS_INVAL("pool32axf"); generate_exception_end(ctx, EXCP_RI); break; } }

qemu

b00c72180c36510bf9b124e190bd520e3b7e1358

void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, int16_t (*mv_table)[2], int f_code, int type, int truncate) { MotionEstContext * const c= &s->me; int y, h_range, v_range; // RAL: 8 in MPEG-1, 16 in MPEG-4 int range = (((s->out_format == FMT_MPEG1) ? 8 : 16) << f_code); if(s->msmpeg4_version) range= 16; if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; h_range= range; v_range= field_select_table ? range>>1 : range; /* clip / convert to intra 16x16 type MVs */ for(y=0; y<s->mb_height; y++){ int x; int xy= y*s->mb_stride; for(x=0; x<s->mb_width; x++){ if (s->mb_type[xy] & type){ // RAL: "type" test added... if(field_select_table==NULL || field_select_table[xy] == field_select){ if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){ if(truncate){ if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1; else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range; if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1; else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range; }else{ s->mb_type[xy] &= ~type; s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA; mv_table[xy][0]= mv_table[xy][1]= 0; } } } } xy++; } } }

FFmpeg

2f300f8965793c3bb9f9d753fcd4542f94f4c58a

ThreadPool *thread_pool_new(AioContext *ctx) { ThreadPool *pool = g_new(ThreadPool, 1); thread_pool_init_one(pool, ctx); return pool; }

qemu

c2b38b277a7882a592f4f2ec955084b2b756daaa

static int parse_bootdevices(char *devices) { /* We just do some generic consistency checks */ const char *p; int bitmap = 0; for (p = devices; *p != '\0'; p++) { /* Allowed boot devices are: * a-b: floppy disk drives * c-f: IDE disk drives * g-m: machine implementation dependant drives * n-p: network devices * It's up to each machine implementation to check if the given boot * devices match the actual hardware implementation and firmware * features. */ if (*p < 'a' || *p > 'p') { fprintf(stderr, "Invalid boot device '%c'\n", *p); exit(1); } if (bitmap & (1 << (*p - 'a'))) { fprintf(stderr, "Boot device '%c' was given twice\n", *p); exit(1); } bitmap |= 1 << (*p - 'a'); } return bitmap; }

qemu

4e9e9d6e0a68f1691bcdcc80601a9a1bc2954736

static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, TCGReg arg2, int label_index) { static const MIPSInsn b_zero[16] = { [TCG_COND_LT] = OPC_BLTZ, [TCG_COND_GT] = OPC_BGTZ, [TCG_COND_LE] = OPC_BLEZ, [TCG_COND_GE] = OPC_BGEZ, }; TCGLabel *l; MIPSInsn s_opc = OPC_SLTU; MIPSInsn b_opc; int cmp_map; switch (cond) { case TCG_COND_EQ: b_opc = OPC_BEQ; break; case TCG_COND_NE: b_opc = OPC_BNE; break; case TCG_COND_LT: case TCG_COND_GT: case TCG_COND_LE: case TCG_COND_GE: if (arg2 == 0) { b_opc = b_zero[cond]; arg2 = arg1; arg1 = 0; break; } s_opc = OPC_SLT; /* FALLTHRU */ case TCG_COND_LTU: case TCG_COND_GTU: case TCG_COND_LEU: case TCG_COND_GEU: cmp_map = mips_cmp_map[cond]; if (cmp_map & MIPS_CMP_SWAP) { TCGReg t = arg1; arg1 = arg2; arg2 = t; } tcg_out_opc_reg(s, s_opc, TCG_TMP0, arg1, arg2); b_opc = (cmp_map & MIPS_CMP_INV ? OPC_BEQ : OPC_BNE); arg1 = TCG_TMP0; arg2 = TCG_REG_ZERO; break; default: tcg_abort(); break; } tcg_out_opc_br(s, b_opc, arg1, arg2); l = &s->labels[label_index]; if (l->has_value) { reloc_pc16(s->code_ptr - 1, l->u.value_ptr); } else { tcg_out_reloc(s, s->code_ptr - 1, R_MIPS_PC16, label_index, 0); } tcg_out_nop(s); }

qemu

bec1631100323fac0900aea71043d5c4e22fc2fa

static unsigned int dec_move_rp(DisasContext *dc) { TCGv t[2]; DIS(fprintf (logfile, "move $r%u, $p%u\n", dc->op1, dc->op2)); cris_cc_mask(dc, 0); t[0] = tcg_temp_new(TCG_TYPE_TL); if (dc->op2 == PR_CCS) { cris_evaluate_flags(dc); t_gen_mov_TN_reg(t[0], dc->op1); if (dc->tb_flags & U_FLAG) { t[1] = tcg_temp_new(TCG_TYPE_TL); /* User space is not allowed to touch all flags. */ tcg_gen_andi_tl(t[0], t[0], 0x39f); tcg_gen_andi_tl(t[1], cpu_PR[PR_CCS], ~0x39f); tcg_gen_or_tl(t[0], t[1], t[0]); tcg_temp_free(t[1]); } } else t_gen_mov_TN_reg(t[0], dc->op1); t_gen_mov_preg_TN(dc, dc->op2, t[0]); if (dc->op2 == PR_CCS) { cris_update_cc_op(dc, CC_OP_FLAGS, 4); dc->flags_uptodate = 1; } tcg_temp_free(t[0]); return 2; }

qemu

a7812ae412311d7d47f8aa85656faadac9d64b56

static uint32_t get_elf_hwcap(void) { ARMCPU *cpu = ARM_CPU(thread_cpu); uint32_t hwcaps = 0; hwcaps |= ARM_HWCAP_ARM_SWP; hwcaps |= ARM_HWCAP_ARM_HALF; hwcaps |= ARM_HWCAP_ARM_THUMB; hwcaps |= ARM_HWCAP_ARM_FAST_MULT; /* probe for the extra features */ #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) /* EDSP is in v5TE and above, but all our v5 CPUs are v5TE */ GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP); GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT); GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE); GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON); GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPv3); GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS); GET_FEATURE(ARM_FEATURE_VFP4, ARM_HWCAP_ARM_VFPv4); GET_FEATURE(ARM_FEATURE_ARM_DIV, ARM_HWCAP_ARM_IDIVA); GET_FEATURE(ARM_FEATURE_THUMB_DIV, ARM_HWCAP_ARM_IDIVT); /* All QEMU's VFPv3 CPUs have 32 registers, see VFP_DREG in translate.c. * Note that the ARM_HWCAP_ARM_VFPv3D16 bit is always the inverse of * ARM_HWCAP_ARM_VFPD32 (and so always clear for QEMU); it is unrelated * to our VFP_FP16 feature bit. */ GET_FEATURE(ARM_FEATURE_VFP3, ARM_HWCAP_ARM_VFPD32); GET_FEATURE(ARM_FEATURE_LPAE, ARM_HWCAP_ARM_LPAE); #undef GET_FEATURE return hwcaps; }

qemu

ad6919dc0ab3b8ae26d772e883aa8e709785d249

static void test_visitor_out_native_list_uint64(TestOutputVisitorData *data, const void *unused) { test_native_list(data, unused, USER_DEF_NATIVE_LIST_UNION_KIND_U64); }

qemu

b3db211f3c80bb996a704d665fe275619f728bd4

BlockAIOCB *bdrv_aio_flush(BlockDriverState *bs, BlockCompletionFunc *cb, void *opaque) { trace_bdrv_aio_flush(bs, opaque); Coroutine *co; BlockAIOCBCoroutine *acb; acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque); acb->need_bh = true; acb->req.error = -EINPROGRESS; co = qemu_coroutine_create(bdrv_aio_flush_co_entry); qemu_coroutine_enter(co, acb); bdrv_co_maybe_schedule_bh(acb); return &acb->common; }

qemu

61007b316cd71ee7333ff7a0a749a8949527575f

xmit_seg(E1000State *s) { uint16_t len; unsigned int frames = s->tx.tso_frames, css, sofar; struct e1000_tx *tp = &s->tx; if (tp->props.tse && tp->props.cptse) { css = tp->props.ipcss; DBGOUT(TXSUM, "frames %d size %d ipcss %d\n", frames, tp->size, css); if (tp->props.ip) { /* IPv4 */ stw_be_p(tp->data+css+2, tp->size - css); stw_be_p(tp->data+css+4, lduw_be_p(tp->data + css + 4) + frames); } else { /* IPv6 */ stw_be_p(tp->data+css+4, tp->size - css); } css = tp->props.tucss; len = tp->size - css; DBGOUT(TXSUM, "tcp %d tucss %d len %d\n", tp->props.tcp, css, len); if (tp->props.tcp) { sofar = frames * tp->props.mss; stl_be_p(tp->data+css+4, ldl_be_p(tp->data+css+4)+sofar); /* seq */ if (tp->props.paylen - sofar > tp->props.mss) { tp->data[css + 13] &= ~9; /* PSH, FIN */ } else if (frames) { e1000x_inc_reg_if_not_full(s->mac_reg, TSCTC); } } else /* UDP */ stw_be_p(tp->data+css+4, len); if (tp->props.sum_needed & E1000_TXD_POPTS_TXSM) { unsigned int phsum; // add pseudo-header length before checksum calculation void *sp = tp->data + tp->props.tucso; phsum = lduw_be_p(sp) + len; phsum = (phsum >> 16) + (phsum & 0xffff); stw_be_p(sp, phsum); } tp->tso_frames++; } if (tp->props.sum_needed & E1000_TXD_POPTS_TXSM) { putsum(tp->data, tp->size, tp->props.tucso, tp->props.tucss, tp->props.tucse); } if (tp->props.sum_needed & E1000_TXD_POPTS_IXSM) { putsum(tp->data, tp->size, tp->props.ipcso, tp->props.ipcss, tp->props.ipcse); } if (tp->vlan_needed) { memmove(tp->vlan, tp->data, 4); memmove(tp->data, tp->data + 4, 8); memcpy(tp->data + 8, tp->vlan_header, 4); e1000_send_packet(s, tp->vlan, tp->size + 4); } else { e1000_send_packet(s, tp->data, tp->size); } e1000x_inc_reg_if_not_full(s->mac_reg, TPT); e1000x_grow_8reg_if_not_full(s->mac_reg, TOTL, s->tx.size); s->mac_reg[GPTC] = s->mac_reg[TPT]; s->mac_reg[GOTCL] = s->mac_reg[TOTL]; s->mac_reg[GOTCH] = s->mac_reg[TOTH]; }

qemu

7d08c73e7bdc39b10e5f2f5acdce700f17ffe962

int ff_ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile) { int mbn, blk, num_blocks, num_coeffs, blk_size, scan_pos, run, val, pos, is_intra, mc_type, mv_x, mv_y, col_mask; uint8_t col_flags[8]; int32_t prev_dc, trvec[64]; uint32_t cbp, sym, lo, hi, quant, buf_offs, q; IVIMbInfo *mb; RVMapDesc *rvmap = band->rv_map; void (*mc_with_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type); void (*mc_no_delta_func) (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type); const uint16_t *base_tab; const uint8_t *scale_tab; prev_dc = 0; /* init intra prediction for the DC coefficient */ blk_size = band->blk_size; col_mask = blk_size - 1; /* column mask for tracking non-zero coeffs */ num_blocks = (band->mb_size != blk_size) ? 4 : 1; /* number of blocks per mb */ num_coeffs = blk_size * blk_size; if (blk_size == 8) { mc_with_delta_func = ff_ivi_mc_8x8_delta; mc_no_delta_func = ff_ivi_mc_8x8_no_delta; } else { mc_with_delta_func = ff_ivi_mc_4x4_delta; mc_no_delta_func = ff_ivi_mc_4x4_no_delta; } for (mbn = 0, mb = tile->mbs; mbn < tile->num_MBs; mb++, mbn++) { is_intra = !mb->type; cbp = mb->cbp; buf_offs = mb->buf_offs; quant = av_clip(band->glob_quant + mb->q_delta, 0, 23); base_tab = is_intra ? band->intra_base : band->inter_base; scale_tab = is_intra ? band->intra_scale : band->inter_scale; if (scale_tab) quant = scale_tab[quant]; if (!is_intra) { mv_x = mb->mv_x; mv_y = mb->mv_y; if (!band->is_halfpel) { mc_type = 0; /* we have only fullpel vectors */ } else { mc_type = ((mv_y & 1) << 1) | (mv_x & 1); mv_x >>= 1; mv_y >>= 1; /* convert halfpel vectors into fullpel ones */ } } for (blk = 0; blk < num_blocks; blk++) { /* adjust block position in the buffer according to its number */ if (blk & 1) { buf_offs += blk_size; } else if (blk == 2) { buf_offs -= blk_size; buf_offs += blk_size * band->pitch; } if (cbp & 1) { /* block coded ? */ scan_pos = -1; memset(trvec, 0, num_coeffs*sizeof(trvec[0])); /* zero transform vector */ memset(col_flags, 0, sizeof(col_flags)); /* zero column flags */ while (scan_pos <= num_coeffs) { sym = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); if (sym == rvmap->eob_sym) break; /* End of block */ if (sym == rvmap->esc_sym) { /* Escape - run/val explicitly coded using 3 vlc codes */ run = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1) + 1; lo = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); hi = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1); val = IVI_TOSIGNED((hi << 6) | lo); /* merge them and convert into signed val */ } else { if (sym >= 256U) { av_log(NULL, AV_LOG_ERROR, "Invalid sym encountered: %d.\n", sym); return -1; } run = rvmap->runtab[sym]; val = rvmap->valtab[sym]; } /* de-zigzag and dequantize */ scan_pos += run; if (scan_pos >= num_coeffs) break; pos = band->scan[scan_pos]; if (!val) av_dlog(NULL, "Val = 0 encountered!\n"); q = (base_tab[pos] * quant) >> 9; if (q > 1) val = val * q + FFSIGN(val) * (((q ^ 1) - 1) >> 1); trvec[pos] = val; col_flags[pos & col_mask] |= !!val; /* track columns containing non-zero coeffs */ }// while if (scan_pos >= num_coeffs && sym != rvmap->eob_sym) return -1; /* corrupt block data */ /* undoing DC coeff prediction for intra-blocks */ if (is_intra && band->is_2d_trans) { prev_dc += trvec[0]; trvec[0] = prev_dc; col_flags[0] |= !!prev_dc; } /* apply inverse transform */ band->inv_transform(trvec, band->buf + buf_offs, band->pitch, col_flags); /* apply motion compensation */ if (!is_intra) mc_with_delta_func(band->buf + buf_offs, band->ref_buf + buf_offs + mv_y * band->pitch + mv_x, band->pitch, mc_type); } else { /* block not coded */ /* for intra blocks apply the dc slant transform */ /* for inter - perform the motion compensation without delta */ if (is_intra && band->dc_transform) { band->dc_transform(&prev_dc, band->buf + buf_offs, band->pitch, blk_size); } else mc_no_delta_func(band->buf + buf_offs, band->ref_buf + buf_offs + mv_y * band->pitch + mv_x, band->pitch, mc_type); } cbp >>= 1; }// for blk }// for mbn align_get_bits(gb); return 0; }

FFmpeg

0846719dd11ab3f7a7caee13e7af71f71d913389

static void assigned_dev_ioport_write(void *opaque, target_phys_addr_t addr, uint64_t data, unsigned size) { assigned_dev_ioport_rw(opaque, addr, size, &data); }

qemu

a8170e5e97ad17ca169c64ba87ae2f53850dab4c

static int kvm_put_fpu(CPUState *env) { struct kvm_fpu fpu; int i; memset(&fpu, 0, sizeof fpu); fpu.fsw = env->fpus & ~(7 << 11); fpu.fsw |= (env->fpstt & 7) << 11; fpu.fcw = env->fpuc; for (i = 0; i < 8; ++i) fpu.ftwx |= (!env->fptags[i]) << i; memcpy(fpu.fpr, env->fpregs, sizeof env->fpregs); memcpy(fpu.xmm, env->xmm_regs, sizeof env->xmm_regs); fpu.mxcsr = env->mxcsr; return kvm_vcpu_ioctl(env, KVM_SET_FPU, &fpu); }

qemu

b9bec74bcb16519a876ec21cd5277c526a9b512d

target_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length, struct disassemble_info *info) { int i; for(i = 0; i < length; i++) { myaddr[i] = ldub_code(memaddr + i); } return 0; }

qemu

e612a1f7256bb3546cf3e9ae6cad3997c4153663

static int http_connect(URLContext *h, const char *path, const char *hoststr, const char *auth, int *new_location) { HTTPContext *s = h->priv_data; int post, err, ch; char line[1024], *q; char *auth_b64; int auth_b64_len = strlen(auth)* 4 / 3 + 12; int64_t off = s->off; /* send http header */ post = h->flags & URL_WRONLY; auth_b64 = av_malloc(auth_b64_len); av_base64_encode(auth_b64, auth_b64_len, auth, strlen(auth)); snprintf(s->buffer, sizeof(s->buffer), "%s %s HTTP/1.1\r\n" "User-Agent: %s\r\n" "Accept: */*\r\n" "Range: bytes=%"PRId64"-\r\n" "Host: %s\r\n" "Authorization: Basic %s\r\n" "Connection: close\r\n" "\r\n", post ? "POST" : "GET", path, LIBAVFORMAT_IDENT, s->off, hoststr, auth_b64); av_freep(&auth_b64); if (http_write(h, s->buffer, strlen(s->buffer)) < 0) return AVERROR(EIO); /* init input buffer */ s->buf_ptr = s->buffer; s->buf_end = s->buffer; s->line_count = 0; s->off = 0; s->filesize = -1; if (post) { return 0; } /* wait for header */ q = line; for(;;) { ch = http_getc(s); if (ch < 0) return AVERROR(EIO); if (ch == '\n') { /* process line */ if (q > line && q[-1] == '\r') q--; *q = '\0'; #ifdef DEBUG printf("header='%s'\n", line); #endif err = process_line(h, line, s->line_count, new_location); if (err < 0) return err; if (err == 0) break; s->line_count++; q = line; } else { if ((q - line) < sizeof(line) - 1) *q++ = ch; } } return (off == s->off) ? 0 : -1; }

FFmpeg

d176f9038711e497b32f1431e60e4e3da94179d1

static void set_guest_connected(VirtIOSerialPort *port, int guest_connected) { VirtConsole *vcon = VIRTIO_CONSOLE(port); DeviceState *dev = DEVICE(port); if (vcon->chr) { qemu_chr_fe_set_open(vcon->chr, guest_connected); } if (dev->id) { qapi_event_send_vserport_change(dev->id, guest_connected, &error_abort); } }

qemu

bce6261eb2d879625126485d4ddd28cacb93152e

void error_setg_errno(Error **errp, int os_errno, const char *fmt, ...) { va_list ap; char *msg; int saved_errno = errno; if (errp == NULL) { return; } va_start(ap, fmt); error_setv(errp, ERROR_CLASS_GENERIC_ERROR, fmt, ap); va_end(ap); if (os_errno != 0) { msg = (*errp)->msg; (*errp)->msg = g_strdup_printf("%s: %s", msg, strerror(os_errno)); g_free(msg); } errno = saved_errno; }

qemu

1e9b65bb1bad51735cab6c861c29b592dccabf0e

void bitmap_set(unsigned long *map, long start, long nr) { unsigned long *p = map + BIT_WORD(start); const long size = start + nr; int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG); unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start); while (nr - bits_to_set >= 0) { *p |= mask_to_set; nr -= bits_to_set; bits_to_set = BITS_PER_LONG; mask_to_set = ~0UL; p++; } if (nr) { mask_to_set &= BITMAP_LAST_WORD_MASK(size); *p |= mask_to_set; } }

qemu

e12ed72e5c00dd3375b8bd107200e4d7e950276a

static void vmdk_free_extents(BlockDriverState *bs) { int i; BDRVVmdkState *s = bs->opaque; for (i = 0; i < s->num_extents; i++) { g_free(s->extents[i].l1_table); g_free(s->extents[i].l2_cache); g_free(s->extents[i].l1_backup_table); } g_free(s->extents); }

qemu

b3c0bfb6f949d8f1c97f390f951c0bab3e703810

static void console_putchar(TextConsole *s, int ch) { TextCell *c; int y1, i; int x, y; switch(s->state) { case TTY_STATE_NORM: switch(ch) { case '\r': /* carriage return */ s->x = 0; break; case '\n': /* newline */ console_put_lf(s); break; case '\b': /* backspace */ if (s->x > 0) s->x--; break; case '\t': /* tabspace */ if (s->x + (8 - (s->x % 8)) > s->width) { s->x = 0; console_put_lf(s); } else { s->x = s->x + (8 - (s->x % 8)); } break; case '\a': /* alert aka. bell */ /* TODO: has to be implemented */ break; case 14: /* SI (shift in), character set 0 (ignored) */ break; case 15: /* SO (shift out), character set 1 (ignored) */ break; case 27: /* esc (introducing an escape sequence) */ s->state = TTY_STATE_ESC; break; default: if (s->x >= s->width) { /* line wrap */ s->x = 0; console_put_lf(s); } y1 = (s->y_base + s->y) % s->total_height; c = &s->cells[y1 * s->width + s->x]; c->ch = ch; c->t_attrib = s->t_attrib; update_xy(s, s->x, s->y); s->x++; break; } break; case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ if (ch == '[') { for(i=0;i<MAX_ESC_PARAMS;i++) s->esc_params[i] = 0; s->nb_esc_params = 0; s->state = TTY_STATE_CSI; } else { s->state = TTY_STATE_NORM; } break; case TTY_STATE_CSI: /* handle escape sequence parameters */ if (ch >= '0' && ch <= '9') { if (s->nb_esc_params < MAX_ESC_PARAMS) { s->esc_params[s->nb_esc_params] = s->esc_params[s->nb_esc_params] * 10 + ch - '0'; } } else { s->nb_esc_params++; if (ch == ';') break; #ifdef DEBUG_CONSOLE fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n", s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params); #endif s->state = TTY_STATE_NORM; switch(ch) { case 'A': /* move cursor up */ if (s->esc_params[0] == 0) { s->esc_params[0] = 1; } s->y -= s->esc_params[0]; if (s->y < 0) { s->y = 0; } break; case 'B': /* move cursor down */ if (s->esc_params[0] == 0) { s->esc_params[0] = 1; } s->y += s->esc_params[0]; if (s->y >= s->height) { s->y = s->height - 1; } break; case 'C': /* move cursor right */ if (s->esc_params[0] == 0) { s->esc_params[0] = 1; } s->x += s->esc_params[0]; if (s->x >= s->width) { s->x = s->width - 1; } break; case 'D': /* move cursor left */ if (s->esc_params[0] == 0) { s->esc_params[0] = 1; } s->x -= s->esc_params[0]; if (s->x < 0) { s->x = 0; } break; case 'G': /* move cursor to column */ s->x = s->esc_params[0] - 1; if (s->x < 0) { s->x = 0; } break; case 'f': case 'H': /* move cursor to row, column */ s->x = s->esc_params[1] - 1; if (s->x < 0) { s->x = 0; } s->y = s->esc_params[0] - 1; if (s->y < 0) { s->y = 0; } break; case 'J': switch (s->esc_params[0]) { case 0: /* clear to end of screen */ for (y = s->y; y < s->height; y++) { for (x = 0; x < s->width; x++) { if (y == s->y && x < s->x) { continue; } console_clear_xy(s, x, y); } } break; case 1: /* clear from beginning of screen */ for (y = 0; y <= s->y; y++) { for (x = 0; x < s->width; x++) { if (y == s->y && x > s->x) { break; } console_clear_xy(s, x, y); } } break; case 2: /* clear entire screen */ for (y = 0; y <= s->height; y++) { for (x = 0; x < s->width; x++) { console_clear_xy(s, x, y); } } break; } break; case 'K': switch (s->esc_params[0]) { case 0: /* clear to eol */ for(x = s->x; x < s->width; x++) { console_clear_xy(s, x, s->y); } break; case 1: /* clear from beginning of line */ for (x = 0; x <= s->x; x++) { console_clear_xy(s, x, s->y); } break; case 2: /* clear entire line */ for(x = 0; x < s->width; x++) { console_clear_xy(s, x, s->y); } break; } break; case 'm': console_handle_escape(s); break; case 'n': /* report cursor position */ /* TODO: send ESC[row;colR */ break; case 's': /* save cursor position */ s->x_saved = s->x; s->y_saved = s->y; break; case 'u': /* restore cursor position */ s->x = s->x_saved; s->y = s->y_saved; break; default: #ifdef DEBUG_CONSOLE fprintf(stderr, "unhandled escape character '%c'\n", ch); #endif break; } break; } } }

qemu

3eea5498ca501922520b3447ba94815bfc109743

static void blkverify_err(BlkverifyAIOCB *acb, const char *fmt, ...) { va_list ap; va_start(ap, fmt); fprintf(stderr, "blkverify: %s sector_num=%ld nb_sectors=%d ", acb->is_write ? "write" : "read", acb->sector_num, acb->nb_sectors); vfprintf(stderr, fmt, ap); fprintf(stderr, "\n"); va_end(ap); exit(1); }

qemu

687db4ed2ecd5fd74c94fbb420482823cca4ab7e

static void format_line(void *ptr, int level, const char *fmt, va_list vl, char part[3][512], int part_size, int *print_prefix, int type[2]) { AVClass* avc = ptr ? *(AVClass **) ptr : NULL; part[0][0] = part[1][0] = part[2][0] = 0; if(type) type[0] = type[1] = AV_CLASS_CATEGORY_NA + 16; if (*print_prefix && avc) { if (avc->parent_log_context_offset) { AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) + avc->parent_log_context_offset); if (parent && *parent) { snprintf(part[0], part_size, "[%s @ %p] ", (*parent)->item_name(parent), parent); if(type) type[0] = get_category(((uint8_t *) ptr) + avc->parent_log_context_offset); } } snprintf(part[1], part_size, "[%s @ %p] ", avc->item_name(ptr), ptr); if(type) type[1] = get_category(ptr); } vsnprintf(part[2], part_size, fmt, vl); *print_prefix = strlen(part[2]) && part[2][strlen(part[2]) - 1] == '\n'; }

FFmpeg

258dfff8394d383beaa639d19912b3f068f67e16

find_c_packed_planar_out_funcs(SwsContext *c, yuv2planar1_fn *yuv2yuv1, yuv2planarX_fn *yuv2yuvX, yuv2packed1_fn *yuv2packed1, yuv2packed2_fn *yuv2packed2, yuv2packedX_fn *yuv2packedX) { enum PixelFormat dstFormat = c->dstFormat; if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) { *yuv2yuvX = yuv2nv12X_c; } else if (is16BPS(dstFormat)) { *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX16BE_c : yuv2yuvX16LE_c; } else if (is9_OR_10BPS(dstFormat)) { if (av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1 == 8) { *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX9BE_c : yuv2yuvX9LE_c; } else { *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX10BE_c : yuv2yuvX10LE_c; } } else { *yuv2yuv1 = yuv2yuv1_c; *yuv2yuvX = yuv2yuvX_c; } if(c->flags & SWS_FULL_CHR_H_INT) { switch (dstFormat) { case PIX_FMT_RGBA: #if CONFIG_SMALL *yuv2packedX = yuv2rgba32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2rgba32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2rgbx32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_ARGB: #if CONFIG_SMALL *yuv2packedX = yuv2argb32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2argb32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2xrgb32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_BGRA: #if CONFIG_SMALL *yuv2packedX = yuv2bgra32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2bgra32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2bgrx32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_ABGR: #if CONFIG_SMALL *yuv2packedX = yuv2abgr32_full_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packedX = yuv2abgr32_full_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packedX = yuv2xbgr32_full_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB24: *yuv2packedX = yuv2rgb24_full_X_c; break; case PIX_FMT_BGR24: *yuv2packedX = yuv2bgr24_full_X_c; break; } } else { switch (dstFormat) { case PIX_FMT_GRAY16BE: *yuv2packed1 = yuv2gray16BE_1_c; *yuv2packed2 = yuv2gray16BE_2_c; *yuv2packedX = yuv2gray16BE_X_c; break; case PIX_FMT_GRAY16LE: *yuv2packed1 = yuv2gray16LE_1_c; *yuv2packed2 = yuv2gray16LE_2_c; *yuv2packedX = yuv2gray16LE_X_c; break; case PIX_FMT_MONOWHITE: *yuv2packed1 = yuv2monowhite_1_c; *yuv2packed2 = yuv2monowhite_2_c; *yuv2packedX = yuv2monowhite_X_c; break; case PIX_FMT_MONOBLACK: *yuv2packed1 = yuv2monoblack_1_c; *yuv2packed2 = yuv2monoblack_2_c; *yuv2packedX = yuv2monoblack_X_c; break; case PIX_FMT_YUYV422: *yuv2packed1 = yuv2yuyv422_1_c; *yuv2packed2 = yuv2yuyv422_2_c; *yuv2packedX = yuv2yuyv422_X_c; break; case PIX_FMT_UYVY422: *yuv2packed1 = yuv2uyvy422_1_c; *yuv2packed2 = yuv2uyvy422_2_c; *yuv2packedX = yuv2uyvy422_X_c; break; case PIX_FMT_RGB48LE: //*yuv2packed1 = yuv2rgb48le_1_c; //*yuv2packed2 = yuv2rgb48le_2_c; //*yuv2packedX = yuv2rgb48le_X_c; //break; case PIX_FMT_RGB48BE: *yuv2packed1 = yuv2rgb48be_1_c; *yuv2packed2 = yuv2rgb48be_2_c; *yuv2packedX = yuv2rgb48be_X_c; break; case PIX_FMT_BGR48LE: //*yuv2packed1 = yuv2bgr48le_1_c; //*yuv2packed2 = yuv2bgr48le_2_c; //*yuv2packedX = yuv2bgr48le_X_c; //break; case PIX_FMT_BGR48BE: *yuv2packed1 = yuv2bgr48be_1_c; *yuv2packed2 = yuv2bgr48be_2_c; *yuv2packedX = yuv2bgr48be_X_c; break; case PIX_FMT_RGB32: case PIX_FMT_BGR32: #if CONFIG_SMALL *yuv2packed1 = yuv2rgb32_1_c; *yuv2packed2 = yuv2rgb32_2_c; *yuv2packedX = yuv2rgb32_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packed1 = yuv2rgba32_1_c; *yuv2packed2 = yuv2rgba32_2_c; *yuv2packedX = yuv2rgba32_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packed1 = yuv2rgbx32_1_c; *yuv2packed2 = yuv2rgbx32_2_c; *yuv2packedX = yuv2rgbx32_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB32_1: case PIX_FMT_BGR32_1: #if CONFIG_SMALL *yuv2packed1 = yuv2rgb32_1_1_c; *yuv2packed2 = yuv2rgb32_1_2_c; *yuv2packedX = yuv2rgb32_1_X_c; #else #if CONFIG_SWSCALE_ALPHA if (c->alpPixBuf) { *yuv2packed1 = yuv2rgba32_1_1_c; *yuv2packed2 = yuv2rgba32_1_2_c; *yuv2packedX = yuv2rgba32_1_X_c; } else #endif /* CONFIG_SWSCALE_ALPHA */ { *yuv2packed1 = yuv2rgbx32_1_1_c; *yuv2packed2 = yuv2rgbx32_1_2_c; *yuv2packedX = yuv2rgbx32_1_X_c; } #endif /* !CONFIG_SMALL */ break; case PIX_FMT_RGB24: *yuv2packed1 = yuv2rgb24_1_c; *yuv2packed2 = yuv2rgb24_2_c; *yuv2packedX = yuv2rgb24_X_c; break; case PIX_FMT_BGR24: *yuv2packed1 = yuv2bgr24_1_c; *yuv2packed2 = yuv2bgr24_2_c; *yuv2packedX = yuv2bgr24_X_c; break; case PIX_FMT_RGB565: case PIX_FMT_BGR565: *yuv2packed1 = yuv2rgb16_1_c; *yuv2packed2 = yuv2rgb16_2_c; *yuv2packedX = yuv2rgb16_X_c; break; case PIX_FMT_RGB555: case PIX_FMT_BGR555: *yuv2packed1 = yuv2rgb15_1_c; *yuv2packed2 = yuv2rgb15_2_c; *yuv2packedX = yuv2rgb15_X_c; break; case PIX_FMT_RGB444: case PIX_FMT_BGR444: *yuv2packed1 = yuv2rgb12_1_c; *yuv2packed2 = yuv2rgb12_2_c; *yuv2packedX = yuv2rgb12_X_c; break; case PIX_FMT_RGB8: case PIX_FMT_BGR8: *yuv2packed1 = yuv2rgb8_1_c; *yuv2packed2 = yuv2rgb8_2_c; *yuv2packedX = yuv2rgb8_X_c; break; case PIX_FMT_RGB4: case PIX_FMT_BGR4: *yuv2packed1 = yuv2rgb4_1_c; *yuv2packed2 = yuv2rgb4_2_c; *yuv2packedX = yuv2rgb4_X_c; break; case PIX_FMT_RGB4_BYTE: case PIX_FMT_BGR4_BYTE: *yuv2packed1 = yuv2rgb4b_1_c; *yuv2packed2 = yuv2rgb4b_2_c; *yuv2packedX = yuv2rgb4b_X_c; break; } } }

FFmpeg

dff5a8353266641311827a4bbdd940f7ad08c8b6

static av_always_inline void h264_filter_mb_fast_internal(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int pixel_shift) { int chroma = !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY)); int chroma444 = CHROMA444(h); int chroma422 = CHROMA422(h); int mb_xy = h->mb_xy; int left_type= h->left_type[LTOP]; int top_type= h->top_type; int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8); int a = h->slice_alpha_c0_offset - qp_bd_offset; int b = h->slice_beta_offset - qp_bd_offset; int mb_type = h->cur_pic.mb_type[mb_xy]; int qp = h->cur_pic.qscale_table[mb_xy]; int qp0 = h->cur_pic.qscale_table[mb_xy - 1]; int qp1 = h->cur_pic.qscale_table[h->top_mb_xy]; int qpc = get_chroma_qp( h, 0, qp ); int qpc0 = get_chroma_qp( h, 0, qp0 ); int qpc1 = get_chroma_qp( h, 0, qp1 ); qp0 = (qp + qp0 + 1) >> 1; qp1 = (qp + qp1 + 1) >> 1; qpc0 = (qpc + qpc0 + 1) >> 1; qpc1 = (qpc + qpc1 + 1) >> 1; if( IS_INTRA(mb_type) ) { static const int16_t bS4[4] = {4,4,4,4}; static const int16_t bS3[4] = {3,3,3,3}; const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4; if(left_type) filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1); if( IS_8x8DCT(mb_type) ) { filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0); if(top_type){ filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1); } filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0); } else { filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0); filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0); filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0); if(top_type){ filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1); } filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0); filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0); filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0); } if(chroma){ if(chroma444){ if(left_type){ filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1); filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1); } if( IS_8x8DCT(mb_type) ) { filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); if(top_type){ filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 ); filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 ); } filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0); } else { filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0); if(top_type){ filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1); filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1); } filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0); filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0); } }else if(chroma422){ if(left_type){ filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1); filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1); } filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0); if(top_type){ filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1); filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1); } filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); }else{ if(left_type){ filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1); filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1); } filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0); if(top_type){ filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1); filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1); } filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0); } } return; } else { LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]); int edges; if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 && !chroma444 ) { edges = 4; AV_WN64A(bS[0][0], 0x0002000200020002ULL); AV_WN64A(bS[0][2], 0x0002000200020002ULL); AV_WN64A(bS[1][0], 0x0002000200020002ULL); AV_WN64A(bS[1][2], 0x0002000200020002ULL); } else { int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0; int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[LTOP] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0; int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1; edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4; h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache, h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h)); } if( IS_INTRA(left_type) ) AV_WN64A(bS[0][0], 0x0004000400040004ULL); if( IS_INTRA(top_type) ) AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL); #define FILTER(hv,dir,edge,intra)\ if(AV_RN64A(bS[dir][edge])) { \ filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\ if(chroma){\ if(chroma444){\ filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\ filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\ } else if(!(edge&1)) {\ filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\ filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\ }\ }\ } if(left_type) FILTER(v,0,0,1); if( edges == 1 ) { if(top_type) FILTER(h,1,0,1); } else if( IS_8x8DCT(mb_type) ) { FILTER(v,0,2,0); if(top_type) FILTER(h,1,0,1); FILTER(h,1,2,0); } else { FILTER(v,0,1,0); FILTER(v,0,2,0); FILTER(v,0,3,0); if(top_type) FILTER(h,1,0,1); FILTER(h,1,1,0); FILTER(h,1,2,0); FILTER(h,1,3,0); } #undef FILTER } }

FFmpeg

f777504f640260337974848c7d5d7a3f064bbb45

static int h263_decode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; int i; s->avctx = avctx; s->out_format = FMT_H263; s->width = avctx->width; s->height = avctx->height; /* select sub codec */ switch(avctx->codec->id) { case CODEC_ID_H263: s->gob_number = 0; s->first_gob_line = 0; break; case CODEC_ID_MPEG4: s->time_increment_bits = 4; /* default value for broken headers */ s->h263_pred = 1; s->has_b_frames = 1; //default, might be overriden in the vol header during header parsing break; case CODEC_ID_MSMPEG4V1: s->h263_msmpeg4 = 1; s->h263_pred = 1; s->msmpeg4_version=1; break; case CODEC_ID_MSMPEG4V2: s->h263_msmpeg4 = 1; s->h263_pred = 1; s->msmpeg4_version=2; break; case CODEC_ID_MSMPEG4V3: s->h263_msmpeg4 = 1; s->h263_pred = 1; s->msmpeg4_version=3; break; case CODEC_ID_WMV1: s->h263_msmpeg4 = 1; s->h263_pred = 1; s->msmpeg4_version=4; break; case CODEC_ID_H263I: s->h263_intel = 1; break; default: return -1; } /* for h263, we allocate the images after having read the header */ if (avctx->codec->id != CODEC_ID_H263 && avctx->codec->id != CODEC_ID_MPEG4) if (MPV_common_init(s) < 0) return -1; /* XXX: suppress this matrix init, only needed because using mpeg1 dequantize in mmx case */ for(i=0;i<64;i++) s->non_intra_matrix[i] = default_non_intra_matrix[i]; if (s->h263_msmpeg4) msmpeg4_decode_init_vlc(s); else h263_decode_init_vlc(s); return 0; }

FFmpeg

d7e9533aa06f4073a27812349b35ba5fede11ca1

static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt) { IEC958Context *ctx = s->priv_data; int ret, padding; ctx->out_bytes = pkt->size; ctx->length_code = FFALIGN(pkt->size, 2) << 3; ret = ctx->header_info(s, pkt); if (ret < 0) return -1; if (!ctx->pkt_offset) return 0; padding = (ctx->pkt_offset - BURST_HEADER_SIZE - ctx->out_bytes) >> 1; if (padding < 0) { av_log(s, AV_LOG_ERROR, "bitrate is too high\n"); return -1; } put_le16(s->pb, SYNCWORD1); //Pa put_le16(s->pb, SYNCWORD2); //Pb put_le16(s->pb, ctx->data_type); //Pc put_le16(s->pb, ctx->length_code);//Pd #if HAVE_BIGENDIAN put_buffer(s->pb, ctx->out_buf, ctx->out_bytes & ~1); #else av_fast_malloc(&ctx->buffer, &ctx->buffer_size, ctx->out_bytes + FF_INPUT_BUFFER_PADDING_SIZE); if (!ctx->buffer) return AVERROR(ENOMEM); ff_spdif_bswap_buf16((uint16_t *)ctx->buffer, (uint16_t *)ctx->out_buf, ctx->out_bytes >> 1); put_buffer(s->pb, ctx->buffer, ctx->out_bytes & ~1); #endif if (ctx->out_bytes & 1) put_be16(s->pb, ctx->out_buf[ctx->out_bytes - 1]); for (; padding > 0; padding--) put_be16(s->pb, 0); av_log(s, AV_LOG_DEBUG, "type=%x len=%i pkt_offset=%i\n", ctx->data_type, ctx->out_bytes, ctx->pkt_offset); put_flush_packet(s->pb); return 0; }

FFmpeg

4b6bfbe2b70ea87831fa9a42a2ac112ee8a386d2

static void blkverify_refresh_filename(BlockDriverState *bs, QDict *options) { BDRVBlkverifyState *s = bs->opaque; /* bs->file->bs has already been refreshed */ bdrv_refresh_filename(s->test_file->bs); if (bs->file->bs->full_open_options && s->test_file->bs->full_open_options) { QDict *opts = qdict_new(); qdict_put_str(opts, "driver", "blkverify"); QINCREF(bs->file->bs->full_open_options); qdict_put(opts, "raw", bs->file->bs->full_open_options); QINCREF(s->test_file->bs->full_open_options); qdict_put(opts, "test", s->test_file->bs->full_open_options); bs->full_open_options = opts; } if (bs->file->bs->exact_filename[0] && s->test_file->bs->exact_filename[0]) { snprintf(bs->exact_filename, sizeof(bs->exact_filename), "blkverify:%s:%s", bs->file->bs->exact_filename, s->test_file->bs->exact_filename); } }

qemu

05cc758a3dfc79488d0a8eb7f5830a41871e78d0

static int ffmmal_read_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame) { MMALDecodeContext *ctx = avctx->priv_data; MMAL_BUFFER_HEADER_T *buffer = NULL; MMAL_STATUS_T status = 0; int ret = 0; if (ctx->eos_received) goto done; while (1) { // To ensure decoding in lockstep with a constant delay between fed packets // and output frames, we always wait until an output buffer is available. // Except during start we don't know after how many input packets the decoder // is going to return the first buffer, and we can't distinguish decoder // being busy from decoder waiting for input. So just poll at the start and // keep feeding new data to the buffer. // We are pretty sure the decoder will produce output if we sent more input // frames than what a h264 decoder could logically delay. This avoids too // excessive buffering. // We also wait if we sent eos, but didn't receive it yet (think of decoding // stream with a very low number of frames). if (ctx->frames_output || ctx->packets_sent > MAX_DELAYED_FRAMES || ctx->eos_sent) { buffer = mmal_queue_wait(ctx->queue_decoded_frames); } else { buffer = mmal_queue_get(ctx->queue_decoded_frames); } if (!buffer) goto done; ctx->eos_received |= !!(buffer->flags & MMAL_BUFFER_HEADER_FLAG_EOS); if (ctx->eos_received) goto done; if (buffer->cmd == MMAL_EVENT_FORMAT_CHANGED) { MMAL_COMPONENT_T *decoder = ctx->decoder; MMAL_EVENT_FORMAT_CHANGED_T *ev = mmal_event_format_changed_get(buffer); MMAL_BUFFER_HEADER_T *stale_buffer; av_log(avctx, AV_LOG_INFO, "Changing output format.\n"); if ((status = mmal_port_disable(decoder->output[0]))) goto done; while ((stale_buffer = mmal_queue_get(ctx->queue_decoded_frames))) mmal_buffer_header_release(stale_buffer); mmal_format_copy(decoder->output[0]->format, ev->format); if ((ret = ffmal_update_format(avctx)) < 0) goto done; if ((status = mmal_port_enable(decoder->output[0], output_callback))) goto done; if ((ret = ffmmal_fill_output_port(avctx)) < 0) goto done; if ((ret = ffmmal_fill_input_port(avctx)) < 0) goto done; mmal_buffer_header_release(buffer); continue; } else if (buffer->cmd) { char s[20]; av_get_codec_tag_string(s, sizeof(s), buffer->cmd); av_log(avctx, AV_LOG_WARNING, "Unknown MMAL event %s on output port\n", s); goto done; } else if (buffer->length == 0) { // Unused output buffer that got drained after format change. mmal_buffer_header_release(buffer); continue; } ctx->frames_output++; if ((ret = ffmal_copy_frame(avctx, frame, buffer)) < 0) goto done; *got_frame = 1; break; } done: if (buffer) mmal_buffer_header_release(buffer); if (status && ret >= 0) ret = AVERROR_UNKNOWN; return ret; }

FFmpeg

b84675d63aaede8f6944b901250a10456c5477e6

void ff_sbrdsp_init_x86(SBRDSPContext *s) { if (HAVE_YASM) { int mm_flags = av_get_cpu_flags(); if (mm_flags & AV_CPU_FLAG_SSE) { s->sum_square = ff_sbr_sum_square_sse; s->hf_g_filt = ff_sbr_hf_g_filt_sse; } } }

FFmpeg

e0c6cce44729d94e2a5507a4b6d031f23e8bd7b6

static int usb_host_handle_control(USBHostDevice *s, USBPacket *p) { struct usbdevfs_urb *urb; AsyncURB *aurb; int ret, value, index; /* * Process certain standard device requests. * These are infrequent and are processed synchronously. */ value = le16_to_cpu(s->ctrl.req.wValue); index = le16_to_cpu(s->ctrl.req.wIndex); dprintf("husb: ctrl type 0x%x req 0x%x val 0x%x index %u len %u\n", s->ctrl.req.bRequestType, s->ctrl.req.bRequest, value, index, s->ctrl.len); if (s->ctrl.req.bRequestType == 0) { switch (s->ctrl.req.bRequest) { case USB_REQ_SET_ADDRESS: return usb_host_set_address(s, value); case USB_REQ_SET_CONFIGURATION: return usb_host_set_config(s, value & 0xff); } } if (s->ctrl.req.bRequestType == 1 && s->ctrl.req.bRequest == USB_REQ_SET_INTERFACE) return usb_host_set_interface(s, index, value); /* The rest are asynchronous */ aurb = async_alloc(); aurb->hdev = s; aurb->packet = p; /* * Setup ctrl transfer. * * s->ctrl is layed out such that data buffer immediately follows * 'req' struct which is exactly what usbdevfs expects. */ urb = &aurb->urb; urb->type = USBDEVFS_URB_TYPE_CONTROL; urb->endpoint = p->devep; urb->buffer = &s->ctrl.req; urb->buffer_length = 8 + s->ctrl.len; urb->usercontext = s; ret = ioctl(s->fd, USBDEVFS_SUBMITURB, urb); dprintf("husb: submit ctrl. len %u aurb %p\n", urb->buffer_length, aurb); if (ret < 0) { dprintf("husb: submit failed. errno %d\n", errno); async_free(aurb); switch(errno) { case ETIMEDOUT: return USB_RET_NAK; case EPIPE: default: return USB_RET_STALL; } } usb_defer_packet(p, async_cancel, aurb); return USB_RET_ASYNC; }

qemu

c4c0e236beabb9de5ff472f77aeb811ec5484615

static void pc_init1(MachineState *machine) { PCMachineState *pc_machine = PC_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); MemoryRegion *system_io = get_system_io(); int i; ram_addr_t below_4g_mem_size, above_4g_mem_size; PCIBus *pci_bus; ISABus *isa_bus; PCII440FXState *i440fx_state; int piix3_devfn = -1; qemu_irq *cpu_irq; qemu_irq *gsi; qemu_irq *i8259; qemu_irq *smi_irq; GSIState *gsi_state; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; BusState *idebus[MAX_IDE_BUS]; ISADevice *rtc_state; ISADevice *floppy; MemoryRegion *ram_memory; MemoryRegion *pci_memory; MemoryRegion *rom_memory; DeviceState *icc_bridge; FWCfgState *fw_cfg = NULL; PcGuestInfo *guest_info; ram_addr_t lowmem; /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory). * If it doesn't, we need to split it in chunks below and above 4G. * In any case, try to make sure that guest addresses aligned at * 1G boundaries get mapped to host addresses aligned at 1G boundaries. * For old machine types, use whatever split we used historically to avoid * breaking migration. */ if (machine->ram_size >= 0xe0000000) { lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000; } else { lowmem = 0xe0000000; } /* Handle the machine opt max-ram-below-4g. It is basically doing * min(qemu limit, user limit). */ if (lowmem > pc_machine->max_ram_below_4g) { lowmem = pc_machine->max_ram_below_4g; if (machine->ram_size - lowmem > lowmem && lowmem & ((1ULL << 30) - 1)) { error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64 ") not a multiple of 1G; possible bad performance.", pc_machine->max_ram_below_4g); } } if (machine->ram_size >= lowmem) { above_4g_mem_size = machine->ram_size - lowmem; below_4g_mem_size = lowmem; } else { above_4g_mem_size = 0; below_4g_mem_size = machine->ram_size; } if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size, &ram_memory) != 0) { fprintf(stderr, "xen hardware virtual machine initialisation failed\n"); exit(1); } icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE); object_property_add_child(qdev_get_machine(), "icc-bridge", OBJECT(icc_bridge), NULL); pc_cpus_init(machine->cpu_model, icc_bridge); if (kvm_enabled() && kvmclock_enabled) { kvmclock_create(); } if (pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; } else { pci_memory = NULL; rom_memory = system_memory; } guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size); guest_info->has_acpi_build = has_acpi_build; guest_info->legacy_acpi_table_size = legacy_acpi_table_size; guest_info->isapc_ram_fw = !pci_enabled; guest_info->has_reserved_memory = has_reserved_memory; guest_info->rsdp_in_ram = rsdp_in_ram; if (smbios_defaults) { MachineClass *mc = MACHINE_GET_CLASS(machine); /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", mc->name, smbios_legacy_mode, smbios_uuid_encoded); } /* allocate ram and load rom/bios */ if (!xen_enabled()) { fw_cfg = pc_memory_init(machine, system_memory, below_4g_mem_size, above_4g_mem_size, rom_memory, &ram_memory, guest_info); } else if (machine->kernel_filename != NULL) { /* For xen HVM direct kernel boot, load linux here */ fw_cfg = xen_load_linux(machine->kernel_filename, machine->kernel_cmdline, machine->initrd_filename, below_4g_mem_size, guest_info); } gsi_state = g_malloc0(sizeof(*gsi_state)); if (kvm_irqchip_in_kernel()) { kvm_pc_setup_irq_routing(pci_enabled); gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, GSI_NUM_PINS); } else { gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); } if (pci_enabled) { pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi, system_memory, system_io, machine->ram_size, below_4g_mem_size, above_4g_mem_size, pci_memory, ram_memory); } else { pci_bus = NULL; i440fx_state = NULL; isa_bus = isa_bus_new(NULL, get_system_memory(), system_io); no_hpet = 1; } isa_bus_irqs(isa_bus, gsi); if (kvm_irqchip_in_kernel()) { i8259 = kvm_i8259_init(isa_bus); } else if (xen_enabled()) { i8259 = xen_interrupt_controller_init(); } else { cpu_irq = pc_allocate_cpu_irq(); i8259 = i8259_init(isa_bus, cpu_irq[0]); } for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } if (pci_enabled) { ioapic_init_gsi(gsi_state, "i440fx"); } qdev_init_nofail(icc_bridge); pc_register_ferr_irq(gsi[13]); pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL); assert(pc_machine->vmport != ON_OFF_AUTO_MAX); if (pc_machine->vmport == ON_OFF_AUTO_AUTO) { pc_machine->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; } /* init basic PC hardware */ pc_basic_device_init(isa_bus, gsi, &rtc_state, true, &floppy, (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4); pc_nic_init(isa_bus, pci_bus); ide_drive_get(hd, ARRAY_SIZE(hd)); if (pci_enabled) { PCIDevice *dev; if (xen_enabled()) { dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); } else { dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); } idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); } else { for(i = 0; i < MAX_IDE_BUS; i++) { ISADevice *dev; char busname[] = "ide.0"; dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); /* * The ide bus name is ide.0 for the first bus and ide.1 for the * second one. */ busname[4] = '0' + i; idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); } } pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order, machine, floppy, idebus[0], idebus[1], rtc_state); if (pci_enabled && usb_enabled()) { pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); } if (pci_enabled && acpi_enabled) { DeviceState *piix4_pm; I2CBus *smbus; smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1); /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, gsi[9], *smi_irq, kvm_enabled(), fw_cfg, &piix4_pm); smbus_eeprom_init(smbus, 8, NULL, 0); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, TYPE_HOTPLUG_HANDLER, (Object **)&pc_machine->acpi_dev, object_property_allow_set_link, OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); } if (pci_enabled) { pc_pci_device_init(pci_bus); } }

qemu

2ba154cf4eb8636cdd3aa90f392ca9e77206ca39

static void parse_type_int64(Visitor *v, const char *name, int64_t *obj, Error **errp) { StringInputVisitor *siv = to_siv(v); if (!siv->string) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "integer"); return; } parse_str(siv, errp); if (!siv->ranges) { goto error; } if (!siv->cur_range) { Range *r; siv->cur_range = g_list_first(siv->ranges); if (!siv->cur_range) { goto error; } r = siv->cur_range->data; if (!r) { goto error; } siv->cur = r->begin; } *obj = siv->cur; siv->cur++; return; error: error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null", "an int64 value or range"); }

qemu

74f24cb6306d065045d0e2215a7d10533fa59c57

void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len) { s->chr_read(s->handler_opaque, buf, len); }

qemu

ac3107340fbb9422ea63ee5d6729775965e121fd

static void virtio_set_status(struct subchannel_id schid, unsigned long dev_addr) { unsigned char status = dev_addr; if (run_ccw(schid, CCW_CMD_WRITE_STATUS, &status, sizeof(status))) { virtio_panic("Could not write status to host!\n"); } }

qemu

c9262e8a84a29f22fbb5edde5d17f4f6166d5ae1

uint32_t do_arm_semihosting(CPUState *env) { target_ulong args; char * s; int nr; uint32_t ret; uint32_t len; #ifdef CONFIG_USER_ONLY TaskState *ts = env->opaque; #else CPUState *ts = env; #endif nr = env->regs[0]; args = env->regs[1]; switch (nr) { case SYS_OPEN: if (!(s = lock_user_string(ARG(0)))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; if (ARG(1) >= 12) return (uint32_t)-1; if (strcmp(s, ":tt") == 0) { if (ARG(1) < 4) return STDIN_FILENO; else return STDOUT_FILENO; } if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "open,%s,%x,1a4", ARG(0), (int)ARG(2)+1, gdb_open_modeflags[ARG(1)]); return env->regs[0]; } else { ret = set_swi_errno(ts, open(s, open_modeflags[ARG(1)], 0644)); } unlock_user(s, ARG(0), 0); return ret; case SYS_CLOSE: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "close,%x", ARG(0)); return env->regs[0]; } else { return set_swi_errno(ts, close(ARG(0))); } case SYS_WRITEC: { char c; if (get_user_u8(c, args)) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; /* Write to debug console. stderr is near enough. */ if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "write,2,%x,1", args); return env->regs[0]; } else { return write(STDERR_FILENO, &c, 1); } } case SYS_WRITE0: if (!(s = lock_user_string(args))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; len = strlen(s); if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "write,2,%x,%x\n", args, len); ret = env->regs[0]; } else { ret = write(STDERR_FILENO, s, len); } unlock_user(s, args, 0); return ret; case SYS_WRITE: len = ARG(2); if (use_gdb_syscalls()) { arm_semi_syscall_len = len; gdb_do_syscall(arm_semi_cb, "write,%x,%x,%x", ARG(0), ARG(1), len); return env->regs[0]; } else { if (!(s = lock_user(VERIFY_READ, ARG(1), len, 1))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; ret = set_swi_errno(ts, write(ARG(0), s, len)); unlock_user(s, ARG(1), 0); if (ret == (uint32_t)-1) return -1; return len - ret; } case SYS_READ: len = ARG(2); if (use_gdb_syscalls()) { arm_semi_syscall_len = len; gdb_do_syscall(arm_semi_cb, "read,%x,%x,%x", ARG(0), ARG(1), len); return env->regs[0]; } else { if (!(s = lock_user(VERIFY_WRITE, ARG(1), len, 0))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; do ret = set_swi_errno(ts, read(ARG(0), s, len)); while (ret == -1 && errno == EINTR); unlock_user(s, ARG(1), len); if (ret == (uint32_t)-1) return -1; return len - ret; } case SYS_READC: /* XXX: Read from debug cosole. Not implemented. */ return 0; case SYS_ISTTY: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "isatty,%x", ARG(0)); return env->regs[0]; } else { return isatty(ARG(0)); } case SYS_SEEK: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "lseek,%x,%x,0", ARG(0), ARG(1)); return env->regs[0]; } else { ret = set_swi_errno(ts, lseek(ARG(0), ARG(1), SEEK_SET)); if (ret == (uint32_t)-1) return -1; return 0; } case SYS_FLEN: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_flen_cb, "fstat,%x,%x", ARG(0), env->regs[13]-64); return env->regs[0]; } else { struct stat buf; ret = set_swi_errno(ts, fstat(ARG(0), &buf)); if (ret == (uint32_t)-1) return -1; return buf.st_size; } case SYS_TMPNAM: /* XXX: Not implemented. */ return -1; case SYS_REMOVE: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "unlink,%s", ARG(0), (int)ARG(1)+1); ret = env->regs[0]; } else { if (!(s = lock_user_string(ARG(0)))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; ret = set_swi_errno(ts, remove(s)); unlock_user(s, ARG(0), 0); } return ret; case SYS_RENAME: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "rename,%s,%s", ARG(0), (int)ARG(1)+1, ARG(2), (int)ARG(3)+1); return env->regs[0]; } else { char *s2; s = lock_user_string(ARG(0)); s2 = lock_user_string(ARG(2)); if (!s || !s2) /* FIXME - should this error code be -TARGET_EFAULT ? */ ret = (uint32_t)-1; else ret = set_swi_errno(ts, rename(s, s2)); if (s2) unlock_user(s2, ARG(2), 0); if (s) unlock_user(s, ARG(0), 0); return ret; } case SYS_CLOCK: return clock() / (CLOCKS_PER_SEC / 100); case SYS_TIME: return set_swi_errno(ts, time(NULL)); case SYS_SYSTEM: if (use_gdb_syscalls()) { gdb_do_syscall(arm_semi_cb, "system,%s", ARG(0), (int)ARG(1)+1); return env->regs[0]; } else { if (!(s = lock_user_string(ARG(0)))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; ret = set_swi_errno(ts, system(s)); unlock_user(s, ARG(0), 0); return ret; } case SYS_ERRNO: #ifdef CONFIG_USER_ONLY return ts->swi_errno; #else return syscall_err; #endif case SYS_GET_CMDLINE: #ifdef CONFIG_USER_ONLY /* Build a commandline from the original argv. */ { char *arm_cmdline_buffer; const char *host_cmdline_buffer; unsigned int i; unsigned int arm_cmdline_len = ARG(1); unsigned int host_cmdline_len = ts->info->arg_end-ts->info->arg_start; if (!arm_cmdline_len || host_cmdline_len > arm_cmdline_len) { return -1; /* not enough space to store command line */ } if (!host_cmdline_len) { /* We special-case the "empty command line" case (argc==0). Just provide the terminating 0. */ arm_cmdline_buffer = lock_user(VERIFY_WRITE, ARG(0), 1, 0); arm_cmdline_buffer[0] = 0; unlock_user(arm_cmdline_buffer, ARG(0), 1); /* Adjust the commandline length argument. */ SET_ARG(1, 0); return 0; } /* lock the buffers on the ARM side */ arm_cmdline_buffer = lock_user(VERIFY_WRITE, ARG(0), host_cmdline_len, 0); host_cmdline_buffer = lock_user(VERIFY_READ, ts->info->arg_start, host_cmdline_len, 1); if (arm_cmdline_buffer && host_cmdline_buffer) { /* the last argument is zero-terminated; no need for additional termination */ memcpy(arm_cmdline_buffer, host_cmdline_buffer, host_cmdline_len); /* separate arguments by white spaces */ for (i = 0; i < host_cmdline_len-1; i++) { if (arm_cmdline_buffer[i] == 0) { arm_cmdline_buffer[i] = ' '; } } /* Adjust the commandline length argument. */ SET_ARG(1, host_cmdline_len-1); } /* Unlock the buffers on the ARM side. */ unlock_user(arm_cmdline_buffer, ARG(0), host_cmdline_len); unlock_user((void*)host_cmdline_buffer, ts->info->arg_start, 0); /* Return success if we could return a commandline. */ return (arm_cmdline_buffer && host_cmdline_buffer) ? 0 : -1; } #else return -1; #endif case SYS_HEAPINFO: { uint32_t *ptr; uint32_t limit; #ifdef CONFIG_USER_ONLY /* Some C libraries assume the heap immediately follows .bss, so allocate it using sbrk. */ if (!ts->heap_limit) { long ret; ts->heap_base = do_brk(0); limit = ts->heap_base + ARM_ANGEL_HEAP_SIZE; /* Try a big heap, and reduce the size if that fails. */ for (;;) { ret = do_brk(limit); if (ret != -1) break; limit = (ts->heap_base >> 1) + (limit >> 1); } ts->heap_limit = limit; } if (!(ptr = lock_user(VERIFY_WRITE, ARG(0), 16, 0))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; ptr[0] = tswap32(ts->heap_base); ptr[1] = tswap32(ts->heap_limit); ptr[2] = tswap32(ts->stack_base); ptr[3] = tswap32(0); /* Stack limit. */ unlock_user(ptr, ARG(0), 16); #else limit = ram_size; if (!(ptr = lock_user(VERIFY_WRITE, ARG(0), 16, 0))) /* FIXME - should this error code be -TARGET_EFAULT ? */ return (uint32_t)-1; /* TODO: Make this use the limit of the loaded application. */ ptr[0] = tswap32(limit / 2); ptr[1] = tswap32(limit); ptr[2] = tswap32(limit); /* Stack base */ ptr[3] = tswap32(0); /* Stack limit. */ unlock_user(ptr, ARG(0), 16); #endif return 0; } case SYS_EXIT: gdb_exit(env, 0); exit(0); default: fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr); cpu_dump_state(env, stderr, fprintf, 0); abort(); } }

qemu

206ae74aea5593f5f5bad769a6b4f101f17bc6fd

int inet_connect(const char *str, Error **errp) { QemuOpts *opts; int sock = -1; opts = qemu_opts_create(&dummy_opts, NULL, 0, NULL); if (inet_parse(opts, str) == 0) { sock = inet_connect_opts(opts, true, NULL, errp); } else { error_set(errp, QERR_SOCKET_CREATE_FAILED); } qemu_opts_del(opts); return sock; }

qemu

233aa5c2d1cf4655ffe335025a68cf5454f87dad

static void do_interrupt_user(CPUX86State *env, int intno, int is_int, int error_code, target_ulong next_eip) { SegmentCache *dt; target_ulong ptr; int dpl, cpl, shift; uint32_t e2; dt = &env->idt; if (env->hflags & HF_LMA_MASK) { shift = 4; } else { shift = 3; } ptr = dt->base + (intno << shift); e2 = cpu_ldl_kernel(env, ptr + 4); dpl = (e2 >> DESC_DPL_SHIFT) & 3; cpl = env->hflags & HF_CPL_MASK; /* check privilege if software int */ if (is_int && dpl < cpl) { raise_exception_err(env, EXCP0D_GPF, (intno << shift) + 2); } /* Since we emulate only user space, we cannot do more than exiting the emulation with the suitable exception and error code. So update EIP for INT 0x80 and EXCP_SYSCALL. */ if (is_int || intno == EXCP_SYSCALL) { env->eip = next_eip; } }

qemu

885b7c44e4f8b7a012a92770a0dba8b238662caa

static int64_t load_kernel(void) { int64_t entry, kernel_high; long kernel_size, initrd_size, params_size; ram_addr_t initrd_offset; uint32_t *params_buf; int big_endian; #ifdef TARGET_WORDS_BIGENDIAN big_endian = 1; #else big_endian = 0; #endif kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, NULL, (uint64_t *)&entry, NULL, (uint64_t *)&kernel_high, big_endian, ELF_MACHINE, 1); if (kernel_size >= 0) { if ((entry & ~0x7fffffffULL) == 0x80000000) entry = (int32_t)entry; } else { fprintf(stderr, "qemu: could not load kernel '%s'\n", loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; if (loaderparams.initrd_filename) { initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK; if (initrd_offset + initrd_size > ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", loaderparams.initrd_filename); exit(1); } initrd_size = load_image_targphys(loaderparams.initrd_filename, initrd_offset, ram_size - initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", loaderparams.initrd_filename); exit(1); } } /* Store command line. */ params_size = 264; params_buf = g_malloc(params_size); params_buf[0] = tswap32(ram_size); params_buf[1] = tswap32(0x12345678); if (initrd_size > 0) { snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%li %s", cpu_mips_phys_to_kseg0(NULL, initrd_offset), initrd_size, loaderparams.kernel_cmdline); } else { snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline); } rom_add_blob_fixed("params", params_buf, params_size, (16 << 20) - 264); return entry; }

qemu

3ad9fd5a257794d516db515c217c78a5806112fe

static int cin_read_frame_header(CinDemuxContext *cin, AVIOContext *pb) { CinFrameHeader *hdr = &cin->frame_header; hdr->video_frame_type = avio_r8(pb); hdr->audio_frame_type = avio_r8(pb); hdr->pal_colors_count = avio_rl16(pb); hdr->video_frame_size = avio_rl32(pb); hdr->audio_frame_size = avio_rl32(pb); if (pb->eof_reached || pb->error) return AVERROR(EIO); if (avio_rl32(pb) != 0xAA55AA55) return 0; }

FFmpeg

48d6556dd46d4f4fac10d0f4a819e314887cd50e

static void test_endianness_combine(gconstpointer data) { const TestCase *test = data; char *args; args = g_strdup_printf("-display none -M %s%s%s -device pc-testdev", test->machine, test->superio ? " -device " : "", test->superio ?: ""); qtest_start(args); isa_outl(test, 0xe0, 0x87654321); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321); isa_outw(test, 0xe2, 0x8866); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664321); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321); isa_outw(test, 0xe0, 0x4422); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x88664422); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8866); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422); isa_outb(test, 0xe3, 0x87); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87664422); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8766); isa_outb(test, 0xe2, 0x65); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654422); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4422); isa_outb(test, 0xe1, 0x43); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654322); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4322); isa_outb(test, 0xe0, 0x21); g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321); g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765); g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321); qtest_quit(global_qtest); g_free(args); }

qemu

2ad645d2854746b55ddfd1d8e951f689cca5d78f

int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, enum AVPixelFormat pix_fmt, int width, int height) { int i; if (pix_fmt != AV_PIX_FMT_YUV420P && pix_fmt != AV_PIX_FMT_YUVJ420P && pix_fmt != AV_PIX_FMT_YUV422P && pix_fmt != AV_PIX_FMT_YUVJ422P && pix_fmt != AV_PIX_FMT_YUV444P && pix_fmt != AV_PIX_FMT_YUV411P && pix_fmt != AV_PIX_FMT_GRAY8) return -1; if ((width & 3) != 0 || (height & 3) != 0) return -1; for(i=0;i<3;i++) { if (i == 1) { switch(pix_fmt) { case AV_PIX_FMT_YUVJ420P: case AV_PIX_FMT_YUV420P: width >>= 1; height >>= 1; break; case AV_PIX_FMT_YUV422P: case AV_PIX_FMT_YUVJ422P: width >>= 1; break; case AV_PIX_FMT_YUV411P: width >>= 2; break; default: break; } if (pix_fmt == AV_PIX_FMT_GRAY8) { break; } } if (src == dst) { deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i], width, height); } else { deinterlace_bottom_field(dst->data[i],dst->linesize[i], src->data[i], src->linesize[i], width, height); } } emms_c(); return 0; }

FFmpeg

210461c0a83a5625560fa1d92229200dc7fb869b

static void chroma_mc(HEVCContext *s, int16_t *dst1, int16_t *dst2, ptrdiff_t dststride, AVFrame *ref, const Mv *mv, int x_off, int y_off, int block_w, int block_h) { HEVCLocalContext *lc = &s->HEVClc; uint8_t *src1 = ref->data[1]; uint8_t *src2 = ref->data[2]; ptrdiff_t src1stride = ref->linesize[1]; ptrdiff_t src2stride = ref->linesize[2]; int pic_width = s->ps.sps->width >> 1; int pic_height = s->ps.sps->height >> 1; int mx = mv->x & 7; int my = mv->y & 7; x_off += mv->x >> 3; y_off += mv->y >> 3; src1 += y_off * src1stride + (x_off << s->ps.sps->pixel_shift); src2 += y_off * src2stride + (x_off << s->ps.sps->pixel_shift); if (x_off < EPEL_EXTRA_BEFORE || y_off < EPEL_EXTRA_AFTER || x_off >= pic_width - block_w - EPEL_EXTRA_AFTER || y_off >= pic_height - block_h - EPEL_EXTRA_AFTER) { const int edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->ps.sps->pixel_shift; int offset1 = EPEL_EXTRA_BEFORE * (src1stride + (1 << s->ps.sps->pixel_shift)); int buf_offset1 = EPEL_EXTRA_BEFORE * (edge_emu_stride + (1 << s->ps.sps->pixel_shift)); int offset2 = EPEL_EXTRA_BEFORE * (src2stride + (1 << s->ps.sps->pixel_shift)); int buf_offset2 = EPEL_EXTRA_BEFORE * (edge_emu_stride + (1 << s->ps.sps->pixel_shift)); s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src1 - offset1, edge_emu_stride, src1stride, block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, x_off - EPEL_EXTRA_BEFORE, y_off - EPEL_EXTRA_BEFORE, pic_width, pic_height); src1 = lc->edge_emu_buffer + buf_offset1; src1stride = edge_emu_stride; s->hevcdsp.put_hevc_epel[!!my][!!mx](dst1, dststride, src1, src1stride, block_w, block_h, mx, my, lc->mc_buffer); s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src2 - offset2, edge_emu_stride, src2stride, block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, x_off - EPEL_EXTRA_BEFORE, y_off - EPEL_EXTRA_BEFORE, pic_width, pic_height); src2 = lc->edge_emu_buffer + buf_offset2; src2stride = edge_emu_stride; s->hevcdsp.put_hevc_epel[!!my][!!mx](dst2, dststride, src2, src2stride, block_w, block_h, mx, my, lc->mc_buffer); } else { s->hevcdsp.put_hevc_epel[!!my][!!mx](dst1, dststride, src1, src1stride, block_w, block_h, mx, my, lc->mc_buffer); s->hevcdsp.put_hevc_epel[!!my][!!mx](dst2, dststride, src2, src2stride, block_w, block_h, mx, my, lc->mc_buffer); } }

FFmpeg

a1926a29fb4325afa46842883f197c74d4535c36

static void mpegts_push_data(void *opaque, const uint8_t *buf, int buf_size, int is_start) { PESContext *pes = opaque; MpegTSContext *ts = pes->stream->priv_data; AVStream *st; const uint8_t *p; int len, code, codec_type, codec_id; if (is_start) { pes->state = MPEGTS_HEADER; pes->data_index = 0; } p = buf; while (buf_size > 0) { switch(pes->state) { case MPEGTS_HEADER: len = PES_START_SIZE - pes->data_index; if (len > buf_size) len = buf_size; memcpy(pes->header + pes->data_index, p, len); pes->data_index += len; p += len; buf_size -= len; if (pes->data_index == PES_START_SIZE) { /* we got all the PES or section header. We can now decide */ #if 0 av_hex_dump(pes->header, pes->data_index); #endif if (pes->header[0] == 0x00 && pes->header[1] == 0x00 && pes->header[2] == 0x01) { /* it must be an mpeg2 PES stream */ /* XXX: add AC3 support */ code = pes->header[3] | 0x100; if (!((code >= 0x1c0 && code <= 0x1df) || (code >= 0x1e0 && code <= 0x1ef))) goto skip; if (!pes->st) { /* allocate stream */ if (code >= 0x1c0 && code <= 0x1df) { codec_type = CODEC_TYPE_AUDIO; codec_id = CODEC_ID_MP2; } else { codec_type = CODEC_TYPE_VIDEO; codec_id = CODEC_ID_MPEG1VIDEO; } st = av_new_stream(pes->stream, pes->pid); if (st) { st->priv_data = pes; st->codec.codec_type = codec_type; st->codec.codec_id = codec_id; pes->st = st; } } pes->state = MPEGTS_PESHEADER_FILL; pes->total_size = (pes->header[4] << 8) | pes->header[5]; /* NOTE: a zero total size means the PES size is unbounded */ if (pes->total_size) pes->total_size += 6; pes->pes_header_size = pes->header[8] + 9; } else { /* otherwise, it should be a table */ /* skip packet */ skip: pes->state = MPEGTS_SKIP; continue; } } break; /**********************************************/ /* PES packing parsing */ case MPEGTS_PESHEADER_FILL: len = pes->pes_header_size - pes->data_index; if (len > buf_size) len = buf_size; memcpy(pes->header + pes->data_index, p, len); pes->data_index += len; p += len; buf_size -= len; if (pes->data_index == pes->pes_header_size) { const uint8_t *r; unsigned int flags; flags = pes->header[7]; r = pes->header + 9; pes->pts = AV_NOPTS_VALUE; pes->dts = AV_NOPTS_VALUE; if ((flags & 0xc0) == 0x80) { pes->pts = get_pts(r); r += 5; } else if ((flags & 0xc0) == 0xc0) { pes->pts = get_pts(r); r += 5; pes->dts = get_pts(r); r += 5; } /* we got the full header. We parse it and get the payload */ pes->state = MPEGTS_PAYLOAD; } break; case MPEGTS_PAYLOAD: if (pes->total_size) { len = pes->total_size - pes->data_index; if (len > buf_size) len = buf_size; } else { len = buf_size; } if (len > 0) { AVPacket *pkt = ts->pkt; if (pes->st && av_new_packet(pkt, len) == 0) { memcpy(pkt->data, p, len); pkt->stream_index = pes->st->index; pkt->pts = pes->pts; /* reset pts values */ pes->pts = AV_NOPTS_VALUE; pes->dts = AV_NOPTS_VALUE; ts->stop_parse = 1; return; } } buf_size = 0; break; case MPEGTS_SKIP: buf_size = 0; break; } } }

FFmpeg

ec23a47286a9be0ca67b78f4d8b9d87220c18286

static bool gscb_needed(void *opaque) { return kvm_s390_get_gs(); }

qemu

0280b3eb7c0519b43452c05cf51f8777d9e38975

void do_fctiw (void) { union { double d; uint64_t i; } p; /* XXX: higher bits are not supposed to be significant. * to make tests easier, return the same as a real PowerPC 750 (aka G3) */ p.i = float64_to_int32(FT0, &env->fp_status); p.i |= 0xFFF80000ULL << 32; FT0 = p.d; }

qemu

e864cabdc0a38bb598ddcf88b264896dc6f3e3b2

static struct omap_mpu_timer_s *omap_mpu_timer_init(MemoryRegion *system_memory, hwaddr base, qemu_irq irq, omap_clk clk) { struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) g_malloc0(sizeof(struct omap_mpu_timer_s)); s->irq = irq; s->clk = clk; s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, omap_timer_tick, s); s->tick = qemu_bh_new(omap_timer_fire, s); omap_mpu_timer_reset(s); omap_timer_clk_setup(s); memory_region_init_io(&s->iomem, NULL, &omap_mpu_timer_ops, s, "omap-mpu-timer", 0x100); memory_region_add_subregion(system_memory, base, &s->iomem); return s; }

qemu

b45c03f585ea9bb1af76c73e82195418c294919d

static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { LibOpenJPEGContext *ctx = avctx->priv_data; opj_cinfo_t *compress = ctx->compress; opj_image_t *image = ctx->image; opj_cio_t *stream = ctx->stream; int cpyresult = 0; int ret, len; AVFrame *gbrframe; switch (avctx->pix_fmt) { case AV_PIX_FMT_RGB24: case AV_PIX_FMT_RGBA: case AV_PIX_FMT_GRAY8A: cpyresult = libopenjpeg_copy_packed8(avctx, frame, image); break; case AV_PIX_FMT_XYZ12: cpyresult = libopenjpeg_copy_packed12(avctx, frame, image); break; case AV_PIX_FMT_RGB48: case AV_PIX_FMT_RGBA64: cpyresult = libopenjpeg_copy_packed16(avctx, frame, image); break; case AV_PIX_FMT_GBR24P: case AV_PIX_FMT_GBRP9: case AV_PIX_FMT_GBRP10: case AV_PIX_FMT_GBRP12: case AV_PIX_FMT_GBRP14: case AV_PIX_FMT_GBRP16: gbrframe = av_frame_alloc(); av_frame_ref(gbrframe, frame); gbrframe->data[0] = frame->data[2]; // swap to be rgb gbrframe->data[1] = frame->data[0]; gbrframe->data[2] = frame->data[1]; gbrframe->linesize[0] = frame->linesize[2]; gbrframe->linesize[1] = frame->linesize[0]; gbrframe->linesize[2] = frame->linesize[1]; if (avctx->pix_fmt == AV_PIX_FMT_GBR24P) { cpyresult = libopenjpeg_copy_unpacked8(avctx, gbrframe, image); } else { cpyresult = libopenjpeg_copy_unpacked16(avctx, gbrframe, image); } av_frame_free(&gbrframe); break; case AV_PIX_FMT_GRAY8: case AV_PIX_FMT_YUV410P: case AV_PIX_FMT_YUV411P: case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUV422P: case AV_PIX_FMT_YUV440P: case AV_PIX_FMT_YUV444P: case AV_PIX_FMT_YUVA420P: case AV_PIX_FMT_YUVA422P: case AV_PIX_FMT_YUVA444P: cpyresult = libopenjpeg_copy_unpacked8(avctx, frame, image); break; case AV_PIX_FMT_GRAY16: case AV_PIX_FMT_YUV420P9: case AV_PIX_FMT_YUV422P9: case AV_PIX_FMT_YUV444P9: case AV_PIX_FMT_YUVA420P9: case AV_PIX_FMT_YUVA422P9: case AV_PIX_FMT_YUVA444P9: case AV_PIX_FMT_YUV444P10: case AV_PIX_FMT_YUV422P10: case AV_PIX_FMT_YUV420P10: case AV_PIX_FMT_YUVA444P10: case AV_PIX_FMT_YUVA422P10: case AV_PIX_FMT_YUVA420P10: case AV_PIX_FMT_YUV420P12: case AV_PIX_FMT_YUV422P12: case AV_PIX_FMT_YUV444P12: case AV_PIX_FMT_YUV420P14: case AV_PIX_FMT_YUV422P14: case AV_PIX_FMT_YUV444P14: case AV_PIX_FMT_YUV444P16: case AV_PIX_FMT_YUV422P16: case AV_PIX_FMT_YUV420P16: case AV_PIX_FMT_YUVA444P16: case AV_PIX_FMT_YUVA422P16: case AV_PIX_FMT_YUVA420P16: cpyresult = libopenjpeg_copy_unpacked16(avctx, frame, image); break; default: av_log(avctx, AV_LOG_ERROR, "The frame's pixel format '%s' is not supported\n", av_get_pix_fmt_name(avctx->pix_fmt)); return AVERROR(EINVAL); break; } if (!cpyresult) { av_log(avctx, AV_LOG_ERROR, "Could not copy the frame data to the internal image buffer\n"); return -1; } cio_seek(stream, 0); if (!opj_encode(compress, stream, image, NULL)) { av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n"); return -1; } len = cio_tell(stream); if ((ret = ff_alloc_packet2(avctx, pkt, len)) < 0) { return ret; } memcpy(pkt->data, stream->buffer, len); pkt->flags |= AV_PKT_FLAG_KEY; *got_packet = 1; return 0; }

FFmpeg

97af2faaba70c866ae4c11459a79a16d4a014530

static void termsig_handler(int signum) { state = TERMINATE; qemu_notify_event(); }

qemu

23994a5f524aa575c7a4b2e5250f17b127d2cf2f

static int qxl_post_load(void *opaque, int version) { PCIQXLDevice* d = opaque; uint8_t *ram_start = d->vga.vram_ptr; QXLCommandExt *cmds; int in, out, newmode; assert(d->last_release_offset < d->vga.vram_size); if (d->last_release_offset == 0) { d->last_release = NULL; } else { d->last_release = (QXLReleaseInfo *)(ram_start + d->last_release_offset); } d->modes = (QXLModes*)((uint8_t*)d->rom + d->rom->modes_offset); trace_qxl_post_load(d->id, qxl_mode_to_string(d->mode)); newmode = d->mode; d->mode = QXL_MODE_UNDEFINED; switch (newmode) { case QXL_MODE_UNDEFINED: qxl_create_memslots(d); break; case QXL_MODE_VGA: qxl_create_memslots(d); qxl_enter_vga_mode(d); break; case QXL_MODE_NATIVE: qxl_create_memslots(d); qxl_create_guest_primary(d, 1, QXL_SYNC); /* replay surface-create and cursor-set commands */ cmds = g_malloc0(sizeof(QXLCommandExt) * (d->ssd.num_surfaces + 1)); for (in = 0, out = 0; in < d->ssd.num_surfaces; in++) { if (d->guest_surfaces.cmds[in] == 0) { continue; } cmds[out].cmd.data = d->guest_surfaces.cmds[in]; cmds[out].cmd.type = QXL_CMD_SURFACE; cmds[out].group_id = MEMSLOT_GROUP_GUEST; out++; } if (d->guest_cursor) { cmds[out].cmd.data = d->guest_cursor; cmds[out].cmd.type = QXL_CMD_CURSOR; cmds[out].group_id = MEMSLOT_GROUP_GUEST; out++; } qxl_spice_loadvm_commands(d, cmds, out); g_free(cmds); if (d->guest_monitors_config) { qxl_spice_monitors_config_async(d, 1); } break; case QXL_MODE_COMPAT: /* note: no need to call qxl_create_memslots, qxl_set_mode * creates the mem slot. */ qxl_set_mode(d, d->shadow_rom.mode, 1); break; } return 0; }

qemu

9de68637dff05a18d0eafcff2737e551b70bc490