user: Demonstrate the C code that generates the assembly output below:

```asm
<init_can>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    D237(%rip),%rax
  cmp    %rax,%rdi
  je     L47
  mov    %rsi,%rbx
  lea    D257(%rip),%rax
  cmp    %rax,%rdi
  je     L23
L1:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L47:
  lea    D61(%rip),%rdi
  call   <puts@plt>
  lea    D81(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0000,%ebx
  orb    $0x1,(%rbx)
  mov    $0xfffc001f,%edx
  movzbl (%rdx),%eax
  and    $0x78,%eax
  or     $0x7,%eax
  mov    %al,(%rdx)
  mov    $0xfffc0006,%eax
  movb   $0x83,(%rax)
  lea    0x1(%rax),%rax
  movb   $0x25,(%rax)
  lea    -0x3(%rax),%rax
  movb   $0xea,(%rax)
  lea    0x1(%rax),%rax
  movb   $0xf,(%rax)
  mov    $0x32,%edi
  call   <kill_time@plt>
  lea    D236(%rip),%rdi
  call   <puts@plt>
  andb   $0xfe,(%rbx)
  mov    $0x32,%edi
  call   <kill_time@plt>
  jmp    L1
L23:
  lea    D71(%rip),%rbp
  mov    %rbp,%rdi
  call   <puts@plt>
  lea    D27(%rip),%rdi
  call   <puts@plt>
  mov    %rbp,%rdi
  call   <puts@plt>
  lea    D81(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0000,%eax
  movzbl (%rax),%esi
  or     $0x1,%esi
  mov    %sil,(%rax)
  movzbl %sil,%esi
  lea    D26(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x32,%edi
  call   <kill_time@plt>
  lea    D57(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc001f,%eax
  movzbl (%rax),%esi
  or     $0xffffff87,%esi
  mov    %sil,(%rax)
  movzbl %sil,%esi
  lea    D95(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x32,%edi
  call   <kill_time@plt>
  lea    D117(%rip),%rdi
  call   <puts@plt>
  lea    D174(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0006,%eax
  movb   $0x83,(%rax)
  mov    $0x83,%esi
  lea    D10(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D141(%rip),%rdi
  call   <puts@plt>
  lea    D230(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0007,%eax
  movb   $0x25,(%rax)
  mov    $0x25,%esi
  lea    D75(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D62(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0010,%eax
  movb   $0xa6,(%rax)
  mov    $0xa6,%esi
  lea    D201(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0011,%eax
  movb   $0xb0,(%rax)
  mov    $0xb0,%esi
  lea    D212(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0012,%eax
  movb   $0x12,(%rax)
  mov    $0x12,%esi
  lea    D188(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0013,%eax
  movb   $0x30,(%rax)
  mov    $0x30,%esi
  lea    D28(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D139(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0014,%eax
  movb   $0x0,(%rax)
  mov    $0x0,%esi
  lea    D11(%rip),%rbp
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0015,%eax
  movb   $0x0,(%rax)
  mov    $0x0,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0016,%eax
  movb   $0x0,(%rax)
  mov    $0x0,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xfffc0017,%eax
  movb   $0x0,(%rax)
  mov    $0x0,%esi
  lea    D202(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D122(%rip),%rax
  cmp    %rax,%rbx
  je     L43
L46:
  lea    D236(%rip),%rdi
  call   <puts@plt>
  mov    $0xfffc0000,%eax
  movzbl (%rax),%esi
  and    $0xfffffffe,%esi
  mov    %sil,(%rax)
  movzbl %sil,%esi
  lea    D279(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x32,%edi
  call   <kill_time@plt>
  jmp    L1
L43:
  mov    $0x0,%eax
  call   <self_testing_mode@plt>
  jmp    L46
```

tool_calls: name: read_data
arguments: data_tag: D237
datatype: string
name: read_data
arguments: data_tag: D257
datatype: string
name: read_data
arguments: data_tag: D61
datatype: string
name: read_data
arguments: data_tag: D81
datatype: string
name: read_data
arguments: data_tag: D236
datatype: string
name: read_data
arguments: data_tag: D71
datatype: string
name: read_data
arguments: data_tag: D27
datatype: string
name: read_data
arguments: data_tag: D26
datatype: string
name: read_data
arguments: data_tag: D57
datatype: string
name: read_data
arguments: data_tag: D95
datatype: string
name: read_data
arguments: data_tag: D117
datatype: string
name: read_data
arguments: data_tag: D174
datatype: string
name: read_data
arguments: data_tag: D10
datatype: string
name: read_data
arguments: data_tag: D141
datatype: string
name: read_data
arguments: data_tag: D230
datatype: string
name: read_data
arguments: data_tag: D75
datatype: string
name: read_data
arguments: data_tag: D62
datatype: string
name: read_data
arguments: data_tag: D201
datatype: string
name: read_data
arguments: data_tag: D212
datatype: string
name: read_data
arguments: data_tag: D188
datatype: string
name: read_data
arguments: data_tag: D28
datatype: string
name: read_data
arguments: data_tag: D139
datatype: string
name: read_data
arguments: data_tag: D11
datatype: string
name: read_data
arguments: data_tag: D202
datatype: string
name: read_data
arguments: data_tag: D122
datatype: string
name: read_data
arguments: data_tag: D279
datatype: string

tool: D237: Basic

tool: D257: Extended

tool: D61: ********** Basic Can Mode **********

tool: D81: Switch on Reset Mode

tool: D236: Switch off reset mode

tool: D71: ************************************

tool: D27: ******** Extended Can Mode *********

tool: D26: control_register: 0x%X 



tool: D57: Set clock divider register to extended can mode

tool: D95: clock_divider_register: 0x%X 



tool: D117: Set bus timing register 0

tool: D174: Sync Jump Width = 2  Baudrate Prescaler = 1

tool: D10: bus timing register 0: 0x%X 



tool: D141: Set bus timing register 1

tool: D230: SAM = 0 ---> Single Sampling

tool: D75: bus timing register 1: 0x%X 



tool: D62: Set acceptance code register

tool: D201: acceptance code register 0: 0x%X 


tool: D212: acceptance code register 1: 0x%X 


tool: D188: acceptance code register 2: 0x%X 


tool: D28: acceptance code register 3: 0x%X 



tool: D139: Set acceptance mask register

tool: D11: acceptance mask register: 0x%X 


tool: D202: acceptance mask register: 0x%X 



tool: D122: self_test

tool: D279: control_register 0x%X 



assistant: ```c
void init_can(char *mode, char *self_test) {
  unsigned char r_val;
  if (mode == "Basic") {
    printf("********** Basic Can Mode **********\n");
    printf("Switch on Reset Mode\n");
    r_val = *((unsigned char *)(0xfffc0000)) | 0x01;
    *((unsigned char *)(0xfffc0000)) = r_val;
    r_val = *((unsigned char *)(0xfffc001F)) & 0x7F | 0x07;
    *((unsigned char *)(0xfffc001F)) = r_val;
    *((unsigned char *)(0xfffc0006)) = 0x83;
    *((unsigned char *)(0xfffc0007)) = 0x25;
    *((unsigned char *)(0xfffc0004)) = 0xEA;
    *((unsigned char *)(0xfffc0005)) = 0x0F;
    kill_time(50);
    printf("Switch off reset mode\n");
    r_val = *((unsigned char *)(0xfffc0000)) & 0xFE;
    *((unsigned char *)(0xfffc0000)) = r_val;
    kill_time(50);
  } else if (mode == "Extended") {
    printf("************************************\n");
    printf("******** Extended Can Mode *********\n");
    printf("************************************\n");
    printf("Switch on Reset Mode\n");
    r_val = *((unsigned char *)(0xfffc0000)) | 0x01;
    *((unsigned char *)(0xfffc0000)) = r_val;
    printf("control_register: 0x%X \n\n", *((unsigned char *)(0xfffc0000)));
    kill_time(50);
    printf("Set clock divider register to extended can mode\n");
    r_val = *((unsigned char *)(0xfffc001F)) | 0x80 | 0x07;
    *((unsigned char *)(0xfffc001F)) = r_val;
    printf("clock_divider_register: 0x%X \n\n", *((unsigned char *)(0xfffc001F)));
    kill_time(50);
    printf("Set bus timing register 0\n");
    printf("Sync Jump Width = 2  Baudrate Prescaler = 1\n");
    *((unsigned char *)(0xfffc0006)) = 0x83;
    printf("bus timing register 0: 0x%X \n\n", *((unsigned char *)(0xfffc0006)));
    printf("Set bus timing register 1\n");
    printf("SAM = 0 ---> Single Sampling\n");
    *((unsigned char *)(0xfffc0007)) = 0x25;
    printf("bus timing register 1: 0x%X \n\n", *((unsigned char *)(0xfffc0007)));
    printf("Set acceptance code register\n");
    *((unsigned char *)(0xfffc0010)) = 0xA6;
    printf("acceptance code register 0: 0x%X \n", *((unsigned char *)(0xfffc0010)));
    *((unsigned char *)(0xfffc0011)) = 0xB0;
    printf("acceptance code register 1: 0x%X \n", *((unsigned char *)(0xfffc0011)));
    *((unsigned char *)(0xfffc0012)) = 0x12;
    printf("acceptance code register 2: 0x%X \n", *((unsigned char *)(0xfffc0012)));
    *((unsigned char *)(0xfffc0013)) = 0x30;
    printf("acceptance code register 3: 0x%X \n\n", *((unsigned char *)(0xfffc0013)));
    printf("Set acceptance mask register\n");
    *((unsigned char *)(0xfffc0014)) = 0x00;
    printf("acceptance mask register: 0x%X \n", *((unsigned char *)(0xfffc0014)));
    *((unsigned char *)(0xfffc0015)) = 0x00;
    printf("acceptance mask register: 0x%X \n", *((unsigned char *)(0xfffc0015)));
    *((unsigned char *)(0xfffc0016)) = 0x00;
    printf("acceptance mask register: 0x%X \n", *((unsigned char *)(0xfffc0016)));
    *((unsigned char *)(0xfffc0017)) = 0x00;
    printf("acceptance mask register: 0x%X \n\n", *((unsigned char *)(0xfffc0017)));
    if (self_test == "self_test") {
      self_testing_mode();
    }
    printf("Switch off reset mode\n");
    r_val = *((unsigned char *)(0xfffc0000)) & 0xFE;
    *((unsigned char *)(0xfffc0000)) = r_val;
    printf("control_register 0x%X \n\n", *((unsigned char *)(0xfffc0000)));
    kill_time(50);
  }
}
```