src/thread/mips64/syscall_cp.s

   1 .set    noreorder
   2 .global __cp_begin
   3 .hidden __cp_begin
   4 .type   __cp_begin,@function
   5 .global __cp_end
   6 .hidden __cp_end
   7 .type   __cp_end,@function
   8 .global __cp_cancel
   9 .hidden __cp_cancel
  10 .type   __cp_cancel,@function
  11 .global __cp_cancel_data
  12 .hidden __cp_cancel_data
  13 .type   __cp_cancel_data,@function
  14 .hidden __cancel
  15 .global __syscall_cp_asm
  16 .hidden __syscall_cp_asm
  17 .type   __syscall_cp_asm,@function
  18 __syscall_cp_asm:
  19 __cp_begin:
  20         lw      $4, 0($4)
  21         bne     $4, $0, __cp_cancel
  22         move    $2, $5
  23         move    $4, $6
  24         move    $5, $7
  25         move    $6, $8
  26         move    $7, $9
  27         move    $8, $10
  28         move    $9, $11
  29         ld      $10, 0($sp)
  30         syscall
  31 __cp_end:
  32         beq     $7, $0, 1f
  33         nop
  34         dsubu   $2, $0, $2
  35 1:      jr      $ra
  36         nop
  37
  38         # if cancellation flag is 1 then call __cancel
  39 __cp_cancel:
  40         move    $2, $ra
  41 .align 8
  42         bal     1f
  43         nop
  44 __cp_cancel_data:
  45         .gpdword __cp_cancel_data
  46         .gpdword __cancel
  47 1:      ld      $3, ($ra)
  48         dsubu   $3, $ra, $3
  49         ld      $25, 8($ra)
  50         daddu   $25, $25, $3
  51         jr      $25
  52         move    $ra, $2