ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<display_stdio_print_help>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x1d0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x1d0(%rbp),%rax
  lea    D6(%rip),%rdx
  mov    $0x38,%ecx
  mov    %rax,%rdi
  mov    %rdx,%rsi
  rep movsq %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%rdx
  mov    %rdi,%rax
  mov    (%rdx),%ecx
  mov    %ecx,(%rax)
  lea    0x4(%rax),%rax
  lea    0x4(%rdx),%rdx
  movzwl (%rdx),%ecx
  mov    %cx,(%rax)
  lea    0x2(%rax),%rax
  lea    0x2(%rdx),%rdx
  movzbl (%rdx),%ecx
  mov    %cl,(%rax)
  lea    -0x1d0(%rbp),%rax
  mov    %rax,%rsi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D6
type_guessed: string
name: disassemble_data
arguments: label: D3
type_guessed: string

tool: D6: This display driver is for testing purposes only.

To provide input, simply type a string of characters and press ENTER.
For special characters, use one of the following special commands:
	# number   uses the decimal value of number
	x hex      uses the hexadecimal value of hex
	\symbol    escapes the given symbol (including newline!)
	: command  use a key name (e.g. up, left, esc, enter) or
	           one of (shift, SHIFT, brief, verbose, print).



tool: D3: %s

assistant: ```c
void display_stdio_print_help(void) {
  char message[] = "This display driver is for testing purposes only.\n\n"
                   "To provide input, simply type a string of characters and press ENTER.\n"
                   "For special characters, use one of the following special commands:\n"
                   "\t# number   uses the decimal value of number\n"
                   "\tx hex      uses the hexadecimal value of hex\n"
                   "\t\\symbol    escapes the given symbol (including newline!)\n"
                   "\t: command  use a key name (e.g. up, left, esc, enter) or\n"
                   "\t           one of (shift, SHIFT, brief, verbose, print).\n\n";
  printf("%s", message);
}
```
user: What is the c source code of the assembly code below:

```asm
<display_stdio_print_help>:
  endbr64
  sub    $0x1d8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  lea    D26(%rip),%rsi
  mov    $0x38,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  mov    (%rsi),%eax
  mov    %eax,(%rdi)
  movzwl D7(%rip),%eax
  mov    %ax,0x4(%rdi)
  movzbl D0(%rip),%eax
  mov    %al,0x6(%rdi)
  mov    %rsp,%rsi
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x1d8,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D26
type_guessed: string
name: disassemble_data
arguments: label: D7
type_guessed: byte[2]
name: disassemble_data
arguments: label: D0
type_guessed: byte
name: disassemble_data
arguments: label: D18
type_guessed: string

tool: D26: This display driver is for testing purposes only.

To provide input, simply type a string of characters and press ENTER.
For special characters, use one of the following special commands:
	# number   uses the decimal value of number
	x hex      uses the hexadecimal value of hex
	\symbol    escapes the given symbol (including newline!)
	: command  use a key name (e.g. up, left, esc, enter) or
	           one of (shift, SHIFT, brief, verbose, print).



tool: {"D7": [0x0a,0x0a]}

tool: D0: 0

tool: D18: %s

assistant: ```c
void display_stdio_print_help(void) {
  char message[] = "This display driver is for testing purposes only.\n\n"
                   "To provide input, simply type a string of characters and press ENTER.\n"
                   "For special characters, use one of the following special commands:\n"
                   "\t# number   uses the decimal value of number\n"
                   "\tx hex      uses the hexadecimal value of hex\n"
                   "\t\\symbol    escapes the given symbol (including newline!)\n"
                   "\t: command  use a key name (e.g. up, left, esc, enter) or\n"
                   "\t           one of (shift, SHIFT, brief, verbose, print).\n\n";
  printf("%s", message);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<display_stdio_print_help>:
  endbr64
  sub    $0x1d8,%rsp
  lea    D0(%rip),%rsi
  mov    $0x38,%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  rep movsq %ds:(%rsi),%es:(%rdi)
  mov    (%rsi),%eax
  mov    %rsp,%rsi
  mov    %eax,(%rdi)
  movzwl D37(%rip),%eax
  mov    %ax,0x4(%rdi)
  movzbl D3(%rip),%eax
  mov    %al,0x6(%rdi)
  lea    D30(%rip),%rdi
  call   <printf@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x1d8,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D0
type_guessed: string
name: read_data
arguments: data_tag: D37
type_guessed: byte[2]
name: read_data
arguments: data_tag: D3
type_guessed: byte
name: read_data
arguments: data_tag: D30
type_guessed: string

tool: D0: This display driver is for testing purposes only.

To provide input, simply type a string of characters and press ENTER.
For special characters, use one of the following special commands:
	# number   uses the decimal value of number
	x hex      uses the hexadecimal value of hex
	\symbol    escapes the given symbol (including newline!)
	: command  use a key name (e.g. up, left, esc, enter) or
	           one of (shift, SHIFT, brief, verbose, print).



tool: {"D37": [0x0a,0x0a]}

tool: D3: 0

tool: D30: %s

assistant: ```c
void display_stdio_print_help(void) {
  char message[] = "This display driver is for testing purposes only.\n\n"
                   "To provide input, simply type a string of characters and press ENTER.\n"
                   "For special characters, use one of the following special commands:\n"
                   "\t# number   uses the decimal value of number\n"
                   "\tx hex      uses the hexadecimal value of hex\n"
                   "\t\\symbol    escapes the given symbol (including newline!)\n"
                   "\t: command  use a key name (e.g. up, left, esc, enter) or\n"
                   "\t           one of (shift, SHIFT, brief, verbose, print).\n\n";
  printf("%s", message);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<display_stdio_print_help>:
  endbr64
  sub    $0x1d8,%rsp
  lea    D19(%rip),%rsi
  mov    $0x38,%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  rep movsq %ds:(%rsi),%es:(%rdi)
  mov    (%rsi),%eax
  mov    %rsp,%rsi
  mov    %eax,(%rdi)
  movzwl D30(%rip),%eax
  mov    %ax,0x4(%rdi)
  movzbl D13(%rip),%eax
  mov    %al,0x6(%rdi)
  lea    D34(%rip),%rdi
  call   <printf@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x1d8,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D19
datatype: string
name: retrieve_data
arguments: tag: D30
datatype: byte[2]
name: retrieve_data
arguments: tag: D13
datatype: byte
name: retrieve_data
arguments: tag: D34
datatype: string

tool: D19: This display driver is for testing purposes only.

To provide input, simply type a string of characters and press ENTER.
For special characters, use one of the following special commands:
	# number   uses the decimal value of number
	x hex      uses the hexadecimal value of hex
	\symbol    escapes the given symbol (including newline!)
	: command  use a key name (e.g. up, left, esc, enter) or
	           one of (shift, SHIFT, brief, verbose, print).



tool: {"D30": [0x0a,0x0a]}

tool: D13: 0

tool: D34: %s

assistant: ```c
void display_stdio_print_help(void) {
  char message[] = "This display driver is for testing purposes only.\n\n"
                   "To provide input, simply type a string of characters and press ENTER.\n"
                   "For special characters, use one of the following special commands:\n"
                   "\t# number   uses the decimal value of number\n"
                   "\tx hex      uses the hexadecimal value of hex\n"
                   "\t\\symbol    escapes the given symbol (including newline!)\n"
                   "\t: command  use a key name (e.g. up, left, esc, enter) or\n"
                   "\t           one of (shift, SHIFT, brief, verbose, print).\n\n";
  printf("%s", message);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<btrfs_tree_unlock_rw>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  cmpl   $0x1,-0xc(%rbp)
  je     L9
  cmpl   $0x3,-0xc(%rbp)
  jne    L27
L9:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <btrfs_tree_unlock@plt>
  jmp    L60
L27:
  cmpl   $0x4,-0xc(%rbp)
  jne    L58
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <btrfs_tree_read_unlock_blocking@plt>
  jmp    L60
L58:
  cmpl   $0x2,-0xc(%rbp)
  jne    L29
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <btrfs_tree_read_unlock@plt>
  jmp    L60
L29:
  mov    $0x0,%eax
  call   <BUG@plt>
L60:
  nop
  leave
  ret
```

assistant: ```c
void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) {
  if (rw == 1 || rw == 3)
    btrfs_tree_unlock(eb);
  else if (rw == 4)
    btrfs_tree_read_unlock_blocking(eb);
  else if (rw == 2)
    btrfs_tree_read_unlock(eb);
  else
    BUG();
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<btrfs_tree_unlock_rw>:
  endbr64
  sub    $0x8,%rsp
  mov    %esi,%eax
  and    $0xfffffffd,%eax
  cmp    $0x1,%eax
  je     L39
  cmp    $0x4,%esi
  je     L13
  cmp    $0x2,%esi
  je     L52
  mov    $0x0,%eax
  call   <BUG@plt>
L19:
  add    $0x8,%rsp
  ret
L39:
  call   <btrfs_tree_unlock@plt>
  jmp    L19
L13:
  call   <btrfs_tree_read_unlock_blocking@plt>
  jmp    L19
L52:
  call   <btrfs_tree_read_unlock@plt>
  jmp    L19
```

assistant: ```c
void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) {
  if (rw == 1 || rw == 3)
    btrfs_tree_unlock(eb);
  else if (rw == 4)
    btrfs_tree_read_unlock_blocking(eb);
  else if (rw == 2)
    btrfs_tree_read_unlock(eb);
  else
    BUG();
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<btrfs_tree_unlock_rw>:
  endbr64
  mov    %esi,%eax
  and    $0xfffffffd,%eax
  cmp    $0x1,%eax
  je     L29
  cmp    $0x4,%esi
  je     L12
  cmp    $0x2,%esi
  je     L20
  xor    %eax,%eax
  jmp    10b0 <BUG@plt>
  nop
L29:
  jmp    10a0 <btrfs_tree_unlock@plt>
  nopl   (%rax)
L20:
  jmp    1090 <btrfs_tree_read_unlock@plt>
  nopl   (%rax)
L12:
  jmp    1080 <btrfs_tree_read_unlock_blocking@plt>
```

assistant: ```c
void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) {
  if (rw == 1 || rw == 3)
    btrfs_tree_unlock(eb);
  else if (rw == 4)
    btrfs_tree_read_unlock_blocking(eb);
  else if (rw == 2)
    btrfs_tree_read_unlock(eb);
  else
    BUG();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<btrfs_tree_unlock_rw>:
  endbr64
  mov    %esi,%eax
  and    $0xfffffffd,%eax
  cmp    $0x1,%eax
  je     L4
  cmp    $0x4,%esi
  je     L17
  cmp    $0x2,%esi
  je     L20
  xor    %eax,%eax
  jmp    10b0 <BUG@plt>
  nop
L4:
  jmp    10a0 <btrfs_tree_unlock@plt>
  nopl   (%rax)
L20:
  jmp    1090 <btrfs_tree_read_unlock@plt>
  nopl   (%rax)
L17:
  jmp    1080 <btrfs_tree_read_unlock_blocking@plt>
```

assistant: ```c
void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) {
  if (rw == 1 || rw == 3)
    btrfs_tree_unlock(eb);
  else if (rw == 4)
    btrfs_tree_read_unlock_blocking(eb);
  else if (rw == 2)
    btrfs_tree_read_unlock(eb);
  else
    BUG();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<VDP_doDMACopy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %ecx,%eax
  mov    %edi,%ecx
  mov    %cl,-0x14(%rbp)
  mov    %esi,%ecx
  mov    %cx,-0x18(%rbp)
  mov    %dx,-0x1c(%rbp)
  mov    %ax,-0x20(%rbp)
  movq   $0xc00004,-0x10(%rbp)
  movzwl -0x20(%rbp),%eax
  movzbl %al,%eax
  lea    -0x6d00(%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  shrw   $0x8,-0x20(%rbp)
  movzwl -0x20(%rbp),%eax
  movzbl %al,%eax
  lea    -0x6c00(%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  movzwl -0x18(%rbp),%eax
  movzbl %al,%eax
  lea    -0x6b00(%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  movzwl -0x18(%rbp),%eax
  shr    $0x8,%ax
  lea    -0x6a00(%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  mov    -0x10(%rbp),%rax
  movw   $0x97c0,(%rax)
  movq   $0xc00004,-0x8(%rbp)
  movzbl -0x14(%rbp),%eax
  cmp    $0x2,%eax
  je     L2
  cmp    $0x2,%eax
  jg     L17
  test   %eax,%eax
  je     L39
  cmp    $0x1,%eax
  je     L58
  jmp    L17
L39:
  mov    $0x1,%edi
  call   <VDP_setAutoInc@plt>
  movzwl -0x1c(%rbp),%eax
  and    $0x3fff,%eax
  add    $0x4000,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  movzwl -0x1c(%rbp),%eax
  shr    $0xe,%ax
  or     $0x80,%al
  movzwl %ax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  jmp    L17
L58:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  movzwl -0x1c(%rbp),%eax
  and    $0x3fff,%eax
  add    $0xc000,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  movzwl -0x1c(%rbp),%eax
  shr    $0xe,%ax
  or     $0x80,%al
  movzwl %ax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  jmp    L17
L2:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  movzwl -0x1c(%rbp),%eax
  and    $0x3fff,%eax
  add    $0x4000,%eax
  shl    $0x10,%eax
  mov    %eax,%edx
  movzwl -0x1c(%rbp),%eax
  shr    $0xe,%ax
  or     $0x90,%al
  movzwl %ax,%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  nop
L17:
  nop
  leave
  ret
```

assistant: ```c
void VDP_doDMACopy(unsigned char location, unsigned short from, unsigned short to, unsigned short len) {
  volatile unsigned short *pw;
  volatile unsigned long *pl;
  pw = (unsigned short *)0xC00004;
  *pw = 0x9300 + (len & 0xff);
  len >>= 8;
  *pw = 0x9400 + (len & 0xff);
  *pw = 0x9500 + (from & 0xff);
  *pw = 0x9600 + ((from >> 8) & 0xff);
  *pw = 0x97C0;
  pl = (unsigned long *)0xC00004;
  switch (location) {
  case 0:
    VDP_setAutoInc(1);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 1:
    VDP_setAutoInc(2);
    *pl = ((0xC000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 2:
    VDP_setAutoInc(2);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x90);
    break;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<VDP_doDMACopy>:
  endbr64
  push   %rbx
  mov    %edx,%ebx
  movzbl %cl,%edx
  sub    $0x6d00,%dx
  mov    %dx,0xc00004
  shr    $0x8,%cx
  sub    $0x6c00,%cx
  mov    %cx,0xc00004
  movzbl %sil,%edx
  sub    $0x6b00,%dx
  mov    %dx,0xc00004
  shr    $0x8,%si
  sub    $0x6a00,%si
  mov    %si,0xc00004
  movw   $0x97c0,0xc00004
  cmp    $0x1,%dil
  je     L52
  cmp    $0x2,%dil
  je     L50
  test   %dil,%dil
  je     L2
L56:
  pop    %rbx
  ret
L2:
  mov    $0x1,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  and    $0x3fff,%ax
  add    $0x4000,%ax
  shl    $0x10,%eax
  shr    $0xe,%bx
  or     $0x80,%bl
  movzwl %bx,%ebx
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  jmp    L56
L52:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  or     $0xc000,%ax
  shl    $0x10,%eax
  shr    $0xe,%bx
  or     $0x80,%bl
  movzwl %bx,%ebx
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  jmp    L56
L50:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  and    $0x3fff,%ax
  add    $0x4000,%ax
  shl    $0x10,%eax
  shr    $0xe,%bx
  or     $0x90,%bl
  movzwl %bx,%ebx
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  jmp    L56
```

assistant: ```c
void VDP_doDMACopy(unsigned char location, unsigned short from, unsigned short to, unsigned short len) {
  volatile unsigned short *pw;
  volatile unsigned long *pl;
  pw = (unsigned short *)0xC00004;
  *pw = 0x9300 + (len & 0xff);
  len >>= 8;
  *pw = 0x9400 + (len & 0xff);
  *pw = 0x9500 + (from & 0xff);
  *pw = 0x9600 + ((from >> 8) & 0xff);
  *pw = 0x97C0;
  pl = (unsigned long *)0xC00004;
  switch (location) {
  case 0:
    VDP_setAutoInc(1);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 1:
    VDP_setAutoInc(2);
    *pl = ((0xC000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 2:
    VDP_setAutoInc(2);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x90);
    break;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<VDP_doDMACopy>:
  endbr64
  push   %rbx
  mov    %edx,%ebx
  movzbl %cl,%edx
  shr    $0x8,%cx
  sub    $0x6d00,%dx
  sub    $0x6c00,%cx
  mov    $0xffff97c0,%eax
  mov    %dx,0xc00004
  movzbl %sil,%edx
  shr    $0x8,%si
  sub    $0x6b00,%dx
  sub    $0x6a00,%si
  mov    %cx,0xc00004
  mov    %dx,0xc00004
  mov    %si,0xc00004
  mov    %ax,0xc00004
  cmp    $0x1,%dil
  je     L29
  cmp    $0x2,%dil
  je     L5
  test   %dil,%dil
  je     L21
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L21:
  mov    $0x1,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  and    $0x3fff,%ax
  add    $0x4000,%ax
L0:
  shr    $0xe,%bx
  shl    $0x10,%eax
  or     $0x80,%bl
  movzwl %bx,%ebx
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  pop    %rbx
  ret
  nop
L5:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  shr    $0xe,%bx
  and    $0x3fff,%ax
  or     $0x90,%bl
  add    $0x4000,%ax
  movzwl %bx,%ebx
  shl    $0x10,%eax
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  pop    %rbx
  ret
  nop
L29:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  or     $0xc000,%ax
  jmp    L0
```

assistant: ```c
void VDP_doDMACopy(unsigned char location, unsigned short from, unsigned short to, unsigned short len) {
  volatile unsigned short *pw;
  volatile unsigned long *pl;
  pw = (unsigned short *)0xC00004;
  *pw = 0x9300 + (len & 0xff);
  len >>= 8;
  *pw = 0x9400 + (len & 0xff);
  *pw = 0x9500 + (from & 0xff);
  *pw = 0x9600 + ((from >> 8) & 0xff);
  *pw = 0x97C0;
  pl = (unsigned long *)0xC00004;
  switch (location) {
  case 0:
    VDP_setAutoInc(1);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 1:
    VDP_setAutoInc(2);
    *pl = ((0xC000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 2:
    VDP_setAutoInc(2);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x90);
    break;
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<VDP_doDMACopy>:
  endbr64
  push   %rbx
  mov    %edx,%ebx
  movzbl %cl,%edx
  shr    $0x8,%cx
  sub    $0x6d00,%dx
  sub    $0x6c00,%cx
  mov    $0xffff97c0,%eax
  mov    %dx,0xc00004
  movzbl %sil,%edx
  shr    $0x8,%si
  sub    $0x6b00,%dx
  sub    $0x6a00,%si
  mov    %cx,0xc00004
  mov    %dx,0xc00004
  mov    %si,0xc00004
  mov    %ax,0xc00004
  cmp    $0x1,%dil
  je     L37
  cmp    $0x2,%dil
  je     L14
  test   %dil,%dil
  je     L15
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L15:
  mov    $0x1,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  and    $0x3fff,%ax
  add    $0x4000,%ax
L26:
  shr    $0xe,%bx
  shl    $0x10,%eax
  or     $0x80,%bl
  movzwl %bx,%ebx
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  pop    %rbx
  ret
  nop
L14:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  shr    $0xe,%bx
  and    $0x3fff,%ax
  or     $0x90,%bl
  add    $0x4000,%ax
  movzwl %bx,%ebx
  shl    $0x10,%eax
  add    %ebx,%eax
  cltq
  mov    %rax,0xc00004
  pop    %rbx
  ret
  nop
L37:
  mov    $0x2,%edi
  call   <VDP_setAutoInc@plt>
  mov    %ebx,%eax
  or     $0xc000,%ax
  jmp    L26
```

assistant: ```c
void VDP_doDMACopy(unsigned char location, unsigned short from, unsigned short to, unsigned short len) {
  volatile unsigned short *pw;
  volatile unsigned long *pl;
  pw = (unsigned short *)0xC00004;
  *pw = 0x9300 + (len & 0xff);
  len >>= 8;
  *pw = 0x9400 + (len & 0xff);
  *pw = 0x9500 + (from & 0xff);
  *pw = 0x9600 + ((from >> 8) & 0xff);
  *pw = 0x97C0;
  pl = (unsigned long *)0xC00004;
  switch (location) {
  case 0:
    VDP_setAutoInc(1);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 1:
    VDP_setAutoInc(2);
    *pl = ((0xC000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x80);
    break;
  case 2:
    VDP_setAutoInc(2);
    *pl = ((0x4000 + ((to)&0x3FFF)) << 16) + (((to) >> 14) | 0x90);
    break;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<debug_memmap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x214,-0xc(%rbp)
  mov    $0xb50,%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  movl   $0xffd37f60,-0x8(%rbp)
  movl   $0x25828,-0x4(%rbp)
  movl   $0x638b8,-0x4(%rbp)
  movl   $0x78f78,-0x4(%rbp)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void debug_memmap() {
  {};
  {};
  {};
  unsigned int l = 0xFF0103F8 - 0xFF0101E4;
  {};
  {};
  {};
  {};
  l = 0x1000 - l - 0x4b0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  unsigned int v = 0xFF547F60 + 0x7F0000;
  {};
  {};
  unsigned int v2 = 0x27128 - 0x1900;
  {};
  {};
  {};
  {};
  {};
  {};
  v2 = 0x8A9E0 - 0x27128;
  {};
  {};
  v2 = 0x103958 - 0x8A9E0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<debug_memmap>:
  endbr64
  ret
```

assistant: ```c
void debug_memmap() {
  {};
  {};
  {};
  unsigned int l = 0xFF0103F8 - 0xFF0101E4;
  {};
  {};
  {};
  {};
  l = 0x1000 - l - 0x4b0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  unsigned int v = 0xFF547F60 + 0x7F0000;
  {};
  {};
  unsigned int v2 = 0x27128 - 0x1900;
  {};
  {};
  {};
  {};
  {};
  {};
  v2 = 0x8A9E0 - 0x27128;
  {};
  {};
  v2 = 0x103958 - 0x8A9E0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<debug_memmap>:
  endbr64
  ret
```

assistant: ```c
void debug_memmap() {
  {};
  {};
  {};
  unsigned int l = 0xFF0103F8 - 0xFF0101E4;
  {};
  {};
  {};
  {};
  l = 0x1000 - l - 0x4b0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  unsigned int v = 0xFF547F60 + 0x7F0000;
  {};
  {};
  unsigned int v2 = 0x27128 - 0x1900;
  {};
  {};
  {};
  {};
  {};
  {};
  v2 = 0x8A9E0 - 0x27128;
  {};
  {};
  v2 = 0x103958 - 0x8A9E0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<debug_memmap>:
  endbr64
  ret
```

assistant: ```c
void debug_memmap() {
  {};
  {};
  {};
  unsigned int l = 0xFF0103F8 - 0xFF0101E4;
  {};
  {};
  {};
  {};
  l = 0x1000 - l - 0x4b0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  unsigned int v = 0xFF547F60 + 0x7F0000;
  {};
  {};
  unsigned int v2 = 0x27128 - 0x1900;
  {};
  {};
  {};
  {};
  {};
  {};
  v2 = 0x8A9E0 - 0x27128;
  {};
  {};
  v2 = 0x103958 - 0x8A9E0;
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
  {};
}
```