git.rot13.org Git - goodfet/blob - firmware/apps/chipcon/chipconasm.S

   1 .globl ccdebuginit
   2 .type ccdebuginit,@function //for linking
   3
   4 #define _GNU_ASSEMBLER_
   5 #include "gfports.h"
   6
   7
   8 //In assembly for cycle-counting, not for efficiency.
   9 //
  10 ccdebuginit:
  11         nop                     ;1 cycle
  12         nop                     ;1 cycle
  13         nop                     ;1 cycle
  14         nop                     ;1 cycle
  15         nop                     ;1 cycle
  16         nop                     ;1 cycle
  17         nop                     ;1 cycle
  18         nop                     ;1 cycle
  19         nop                     ;1 cycle
  20         nop                     ;1 cycle
  21         nop                     ;1 cycle
  22         nop                     ;1 cycle
  23         nop                     ;1 cycle
  24         nop                     ;1 cycle
  25         nop                     ;1 cycle
  26         nop                     ;1 cycle
  27         nop                     ;1 cycle
  28         nop                     ;1 cycle
  29         nop                     ;1 cycle
  30         nop                     ;1 cycle
  31         nop                     ;1 cycle
  32         nop                     ;1 cycle
  33         nop                     ;1 cycle
  34         nop                     ;1 cycle
  35         nop                     ;1 cycle
  36         nop                     ;1 cycle
  37         nop                     ;1 cycle
  38         nop                     ;1 cycle
  39         nop                     ;1 cycle
  40         nop                     ;1 cycle
  41         nop                     ;1 cycle
  42         nop                     ;1 cycle
  43         nop                     ;1 cycle
  44         nop                     ;1 cycle
  45         nop                     ;1 cycle
  46         nop                     ;1 cycle
  47
  48         bis.b   #13,    &0x0031 ;5 cycles
  49         bic.b   #8,     &0x0031 ;4 cycles
  50         bic.b   #1,     &0x0031 ;4
  51         xor.b   #8,     &0x0031 ;4
  52         xor.b   #8,     &0x0031 ;4
  53         xor.b   #8,     &0x0031 ;4
  54 ;;      xor.b   #8,     &0x0031 ;4
  55         bis.b   #1,     &0x0031 ;4
  56         ret