benchmarks/common/crt-mt.S

   1 #include "pcr.h"
   2
   3   .data
   4   .globl _heapend
   5   .globl environ
   6 _heapend:
   7   .word 0
   8 environ:
   9   .word 0
  10
  11   .text
  12   .globl _start
  13
  14 _start:
  15   li  x1, 0
  16   li  x2, 0
  17   li  x3, 0
  18   li  x4, 0
  19   li  x5, 0
  20   li  x6, 0
  21   li  x7, 0
  22   li  x8, 0
  23   li  x9, 0
  24   li  x10,0
  25   li  x11,0
  26   li  x12,0
  27   li  x13,0
  28   li  x14,0
  29   li  x15,0
  30   li  x16,0
  31   li  x17,0
  32   li  x18,0
  33   li  x19,0
  34   li  x20,0
  35   li  x21,0
  36   li  x22,0
  37   li  x23,0
  38   li  x24,0
  39   li  x25,0
  40   li  x26,0
  41   li  x27,0
  42   li  x28,0
  43   li  x29,0
  44   li  x30,0
  45   li  x31,0
  46
  47   # enable fp
  48   setpcr status, SR_EF
  49
  50   # enable vec
  51   setpcr t0, status, SR_EV
  52
  53   ## if that didn't stick, we don't have an FPU, so don't initialize it
  54   and t0, t0, SR_EF
  55   beqz t0, 1f
  56
  57   fssr    x0
  58   fmv.s.x f0, x0
  59   fmv.s.x f1, x0
  60   fmv.s.x f2, x0
  61   fmv.s.x f3, x0
  62   fmv.s.x f4, x0
  63   fmv.s.x f5, x0
  64   fmv.s.x f6, x0
  65   fmv.s.x f7, x0
  66   fmv.s.x f8, x0
  67   fmv.s.x f9, x0
  68   fmv.s.x f10,x0
  69   fmv.s.x f11,x0
  70   fmv.s.x f12,x0
  71   fmv.s.x f13,x0
  72   fmv.s.x f14,x0
  73   fmv.s.x f15,x0
  74   fmv.s.x f16,x0
  75   fmv.s.x f17,x0
  76   fmv.s.x f18,x0
  77   fmv.s.x f19,x0
  78   fmv.s.x f20,x0
  79   fmv.s.x f21,x0
  80   fmv.s.x f22,x0
  81   fmv.s.x f23,x0
  82   fmv.s.x f24,x0
  83   fmv.s.x f25,x0
  84   fmv.s.x f26,x0
  85   fmv.s.x f27,x0
  86   fmv.s.x f28,x0
  87   fmv.s.x f29,x0
  88   fmv.s.x f30,x0
  89   fmv.s.x f31,x0
  90 1:
  91
  92
  93   # get core id and number of cores
  94   mfpcr a0,hartid
  95   lw a1, 4(zero)
  96
  97   slli a2, a0, 13
  98   la sp, stacktop
  99   sub sp, sp, a2
 100
 101   la tp, tlstop
 102   sub tp, tp, a2
 103
 104   jal thread_entry
 105
 106   .bss
 107   .globl stacktop
 108   .globl tlstop
 109
 110   .align 4
 111   .skip 32768
 112 stacktop:
 113   .skip 65536
 114 tlstop: