user: Translate the below assembly code into C programming language:

```asm
<regfi_compute_header_checksum>:
  endbr64
  mov    %rdi,%rdx
  pxor   %xmm6,%xmm6
  pxor   %xmm4,%xmm4
  mov    %rdi,%rax
  movdqa D3(%rip),%xmm5
  lea    0x1c0(%rdi),%rcx
  pxor   %xmm3,%xmm3
  nopl   (%rax)
L1:
  movdqu (%rax),%xmm2
  movdqu 0x10(%rax),%xmm0
  movdqa %xmm5,%xmm9
  add    $0x40,%rax
  movdqu -0x30(%rax),%xmm1
  movdqu -0x20(%rax),%xmm7
  pand   %xmm5,%xmm0
  pand   %xmm5,%xmm2
  movdqu -0x10(%rax),%xmm8
  packuswb %xmm0,%xmm2
  movdqu -0x40(%rax),%xmm0
  psrlw  $0x8,%xmm1
  pand   %xmm5,%xmm7
  psrlw  $0x8,%xmm8
  pand   %xmm2,%xmm9
  psrlw  $0x8,%xmm0
  psrlw  $0x8,%xmm2
  packuswb %xmm1,%xmm0
  movdqu -0x10(%rax),%xmm1
  pand   %xmm5,%xmm1
  packuswb %xmm1,%xmm7
  movdqu -0x20(%rax),%xmm1
  psrlw  $0x8,%xmm1
  packuswb %xmm8,%xmm1
  movdqa %xmm5,%xmm8
  pand   %xmm7,%xmm8
  psrlw  $0x8,%xmm7
  packuswb %xmm8,%xmm9
  packuswb %xmm7,%xmm2
  movdqa %xmm5,%xmm8
  movdqa %xmm5,%xmm7
  pand   %xmm1,%xmm8
  pand   %xmm0,%xmm7
  psrlw  $0x8,%xmm0
  packuswb %xmm8,%xmm7
  movdqa %xmm1,%xmm8
  movdqa %xmm9,%xmm1
  psrlw  $0x8,%xmm8
  punpcklbw %xmm4,%xmm1
  packuswb %xmm8,%xmm0
  movdqa %xmm7,%xmm8
  punpckhbw %xmm4,%xmm7
  punpcklbw %xmm4,%xmm8
  psllw  $0x8,%xmm7
  psllw  $0x8,%xmm8
  por    %xmm1,%xmm8
  movdqa %xmm9,%xmm1
  movdqa %xmm2,%xmm9
  punpckhbw %xmm4,%xmm1
  punpcklbw %xmm4,%xmm9
  punpckhbw %xmm4,%xmm2
  por    %xmm1,%xmm7
  movdqa %xmm0,%xmm1
  punpckhbw %xmm4,%xmm0
  punpcklbw %xmm4,%xmm1
  psllw  $0x8,%xmm0
  psllw  $0x8,%xmm1
  por    %xmm2,%xmm0
  por    %xmm9,%xmm1
  movdqa %xmm8,%xmm9
  punpckhwd %xmm3,%xmm8
  movdqa %xmm1,%xmm2
  punpckhwd %xmm3,%xmm1
  punpcklwd %xmm3,%xmm9
  punpcklwd %xmm3,%xmm2
  pslld  $0x10,%xmm1
  pslld  $0x10,%xmm2
  por    %xmm8,%xmm1
  movdqa %xmm7,%xmm8
  por    %xmm9,%xmm2
  punpcklwd %xmm3,%xmm8
  punpckhwd %xmm3,%xmm7
  pxor   %xmm2,%xmm1
  movdqa %xmm0,%xmm2
  punpckhwd %xmm3,%xmm0
  punpcklwd %xmm3,%xmm2
  pslld  $0x10,%xmm0
  pslld  $0x10,%xmm2
  por    %xmm7,%xmm0
  por    %xmm8,%xmm2
  pxor   %xmm2,%xmm0
  pxor   %xmm1,%xmm0
  pxor   %xmm0,%xmm6
  cmp    %rcx,%rax
  jne    L1
  movzbl 0x1c3(%rdx),%eax
  movzbl 0x1c2(%rdx),%ecx
  movdqa %xmm6,%xmm0
  movzbl 0x1c0(%rdx),%esi
  movzbl 0x1c4(%rdx),%edi
  psrldq $0x8,%xmm0
  shl    $0x8,%eax
  pxor   %xmm0,%xmm6
  or     %ecx,%eax
  movzbl 0x1c1(%rdx),%ecx
  movdqa %xmm6,%xmm0
  shl    $0x10,%eax
  psrldq $0x4,%xmm0
  shl    $0x8,%ecx
  pxor   %xmm0,%xmm6
  or     %esi,%ecx
  movzbl 0x1c6(%rdx),%esi
  or     %ecx,%eax
  movzbl 0x1c7(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1c5(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1c8(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1ca(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1cb(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1c9(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1cc(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1ce(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1cf(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1cd(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1d0(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1d2(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1d3(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1d1(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1d4(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1d6(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1d7(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1d5(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1d8(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1da(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1db(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1d9(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1dc(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1de(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1df(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1dd(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  or     %esi,%ecx
  xor    %ecx,%eax
  movzbl 0x1e3(%rdx),%ecx
  movzbl 0x1e2(%rdx),%esi
  movzbl 0x1e0(%rdx),%edi
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1e1(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1e4(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1e6(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1e7(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1e5(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1e8(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1ea(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1eb(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1e9(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1ec(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1ee(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1ef(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1ed(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1f0(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1f2(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1f3(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1f1(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  movzbl 0x1f4(%rdx),%edi
  or     %esi,%ecx
  movzbl 0x1f6(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1f7(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1f5(%rdx),%esi
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %edi,%esi
  or     %esi,%ecx
  movzbl 0x1fa(%rdx),%esi
  xor    %ecx,%eax
  movzbl 0x1fb(%rdx),%ecx
  shl    $0x8,%ecx
  or     %esi,%ecx
  movzbl 0x1f9(%rdx),%esi
  movzbl 0x1f8(%rdx),%edx
  shl    $0x10,%ecx
  shl    $0x8,%esi
  or     %esi,%edx
  or     %ecx,%edx
  xor    %edx,%eax
  movd   %xmm6,%edx
  xor    %edx,%eax
  ret
```

tool_calls: name: retrieve_data
arguments: label: D3
type: byte[16]

tool: {"D3": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
unsigned int regfi_compute_header_checksum(unsigned char *buffer) {
  unsigned int checksum, x;
  int i;
  checksum = x = 0;
  for (i = 0; i < 0x01FB; i += 4) {
    x = (((((unsigned)(((const unsigned char *)(buffer))[i]))) | (((unsigned)(((const unsigned char *)(buffer))[(i) + 1]))) << 8) | ((((unsigned)(((const unsigned char *)(buffer))[(i) + 2]))) | (((unsigned)(((const unsigned char *)(buffer))[((i) + 2) + 1]))) << 8) << 16);
    checksum ^= x;
  }
  return checksum;
}
```