sim/testsuite/sim/arm/iwmmxt/testutils.inc

   1 # r0-r3 are used as tmps, consider them call clobbered by these macros.
   2 # This uses the angel rom monitor calls.
   3 # ??? How do we use the \@ facility of .macros ???
   4 # @ is the comment char!
   5
   6         .macro mvi_h_gr reg, val
   7         ldr \reg,[pc]
   8         b . + 8
   9         .word \val
  10         .endm
  11
  12         .macro mvaddr_h_gr reg, addr
  13         ldr \reg,[pc]
  14         b . + 8
  15         .word \addr
  16         .endm
  17
  18         .macro start
  19         .data
  20 failmsg:
  21         .asciz "fail\n"
  22 passmsg:
  23         .asciz "pass\n"
  24         .text
  25
  26 do_pass:
  27         ldr r1, passmsg_addr
  28         mov r0, #4
  29         swi #0x123456
  30         exit 0
  31 passmsg_addr:
  32         .word passmsg
  33
  34 do_fail:
  35         ldr r1, failmsg_addr
  36         mov r0, #4
  37         swi #0x123456
  38         exit 1
  39 failmsg_addr:
  40         .word failmsg
  41
  42         .global _start
  43 _start:
  44         .endm
  45
  46 # *** Other macros know pass/fail are 4 bytes in size!  Yuck.
  47
  48         .macro pass
  49         b do_pass
  50         .endm
  51
  52         .macro fail
  53         b do_fail
  54         .endm
  55
  56         .macro exit rc
  57         # ??? This works with the ARMulator but maybe not others.
  58         #mov r0, #\rc
  59         #swi #1
  60         # This seems to be portable (though it ignores rc).
  61         mov r0,#0x18
  62         mvi_h_gr r1, 0x20026
  63         swi #0x123456
  64         # If that returns, punt with a sigill.
  65         stc 0,cr0,[r0]
  66         .endm
  67
  68 # Other macros know this only clobbers r0.
  69 # WARNING: It also clobbers the condition codes (FIXME).
  70         .macro test_h_gr reg, val
  71         mvaddr_h_gr r0, \val
  72         cmp \reg, r0
  73         beq . + 8
  74         fail
  75         .endm
  76
  77         .macro mvi_h_cnvz c, n, v, z
  78         mov r0, #0
  79         .if \c
  80         orr r0, r0, #0x20000000
  81         .endif
  82         .if \n
  83         orr r0, r0, #0x80000000
  84         .endif
  85         .if \v
  86         orr r0, r0, #0x10000000
  87         .endif
  88         .if \z
  89         orr r0, r0, #0x40000000
  90         .endif
  91         mrs r1, cpsr
  92         bic r1, r1, #0xf0000000
  93         orr r1, r1, r0
  94         msr cpsr, r1
  95         # ??? nops needed
  96         .endm
  97
  98 # ??? Preserve condition codes?
  99         .macro test_h_cnvz c, n, v, z
 100         mov r0, #0
 101         .if \c
 102         orr r0, r0, #0x20000000
 103         .endif
 104         .if \n
 105         orr r0, r0, #0x80000000
 106         .endif
 107         .if \v
 108         orr r0, r0, #0x10000000
 109         .endif
 110         .if \z
 111         orr r0, r0, #0x40000000
 112         .endif
 113         mrs r1, cpsr
 114         and r1, r1, #0xf0000000
 115         cmp r0, r1
 116         beq . + 8
 117         fail
 118         .endm