sim/testsuite/frv/cache.ms

   1 # mach: frv fr500 fr550
   2 # sim: --memory-region 0xff000000,4 --memory-region 0xfe000000,00404000
   3 # xfail: "crashes with bad write" *-*
   4
   5 ; Exit with return code
   6
   7         .macro exit rc
   8         setlos.p        #1,gr7
   9         setlos          \rc,gr8
  10         tira            gr0,#0
  11         .endm
  12
  13 ; Pass the test case
  14         .macro pass
  15 pass:
  16         setlos.p        #5,gr10
  17         setlos          #1,gr8
  18         setlos          #5,gr7
  19         sethi.p         %hi(passmsg),gr9
  20         setlo           %lo(passmsg),gr9
  21         tira            gr0,#0
  22         exit            #0
  23         .endm
  24
  25 ; Fail the testcase
  26         .macro fail
  27 fail\@:
  28         setlos.p        #5,gr10
  29         setlos          #1,gr8
  30         setlos          #5,gr7
  31         sethi.p         %hi(failmsg),gr9
  32         setlo           %lo(failmsg),gr9
  33         tira            gr0,#0
  34         exit            #1
  35         .endm
  36
  37         .data
  38 failmsg:
  39         .ascii "fail\n"
  40 passmsg:
  41         .ascii "pass\n"
  42
  43         .text
  44         .global _start
  45 _start:
  46         movsg           hsr0,gr10       ; enable insn and data caches
  47         sethi.p         0xc800,gr11     ; in copy-back mode
  48         setlo           0x0000,gr11
  49         or              gr10,gr11,gr10
  50         movgs           gr10,hsr0
  51
  52         sethi.p         0x7,sp
  53         setlo           0x0000,sp
  54
  55         ; fill the cache
  56         sethi.p         %hi(done1),gr10
  57         setlo           %lo(done1),gr10
  58         movgs           gr10,lr
  59         setlos.p        0x1000,gr10
  60         setlos          0x0,gr11
  61         movgs           gr10,lcr
  62 write1: st.p            gr11,@(sp,gr11)
  63         addi.p          gr11,4,gr11
  64         bctrlr.p        1,0
  65         bra             write1
  66 done1:
  67         ; read it back
  68         sethi.p         %hi(done2),gr10
  69         setlo           %lo(done2),gr10
  70         movgs           gr10,lr
  71         setlos.p        0x1000,gr10
  72         setlos          0x0,gr11
  73         movgs           gr10,lcr
  74 read1:  ld              @(sp,gr11),gr12
  75         cmp             gr11,gr12,icc0
  76         bne             icc0,1,fail
  77         addi.p          gr11,4,gr11
  78         bctrlr.p        1,0
  79         bra             read1
  80 done2:
  81
  82         ; fill the cache twice
  83         sethi.p         %hi(done3),gr10
  84         setlo           %lo(done3),gr10
  85         movgs           gr10,lr
  86         setlos.p        0x2000,gr10
  87         setlos          0x0,gr11
  88         movgs           gr10,lcr
  89 write3: st.p            gr11,@(sp,gr11)
  90         addi.p          gr11,4,gr11
  91         bctrlr.p        1,0
  92         bra             write3
  93 done3:
  94         ; read it back
  95         sethi.p         %hi(done4),gr10
  96         setlo           %lo(done4),gr10
  97         movgs           gr10,lr
  98         setlos.p        0x2000,gr10
  99         setlos          0x0,gr11
 100         movgs           gr10,lcr
 101 read4:  ld              @(sp,gr11),gr12
 102         cmp             gr11,gr12,icc0
 103         bne             icc0,1,fail
 104         addi.p          gr11,4,gr11
 105         bctrlr.p        1,0
 106         bra             read4
 107 done4:
 108         ; read it back in reverse
 109         sethi.p         %hi(done5),gr10
 110         setlo           %lo(done5),gr10
 111         movgs           gr10,lr
 112         setlos.p        0x2000,gr10
 113         setlos          0x7ffc,gr11
 114         movgs           gr10,lcr
 115 read5:  ld              @(sp,gr11),gr12
 116         cmp             gr11,gr12,icc0
 117         bne             icc0,1,fail
 118         subi.p          gr11,4,gr11
 119         bctrlr.p        1,0
 120         bra             read5
 121 done5:
 122
 123         ; access data and insns in non-cache areas
 124         sethi.p         0x8038,gr11             ; bctrlr 0,0
 125         setlo           0x2000,gr11
 126
 127         sethi.p         0xff00,gr10             ; documented area
 128         setlo           0x0000,gr10
 129         sti             gr11,@(gr10,0)
 130         jmpl            @(gr10,gr0)
 131
 132         ;  enable RAM mode
 133         movsg           hsr0,gr10
 134         sethi.p         0x0040,gr12
 135         setlo           0x0000,gr12
 136         or              gr10,gr12,gr10
 137         movgs           gr10,hsr0
 138
 139         sethi.p         0xfe00,gr10             ; documented area
 140         setlo           0x0400,gr10
 141         sti             gr11,@(gr10,0)
 142         jmpl            @(gr10,gr0)
 143
 144         sethi.p         0xfe40,gr10             ; documented area
 145         setlo           0x0400,gr10
 146         sti             gr11,@(gr10,0)
 147         dcf             @(gr10,gr0)
 148         jmpl            @(gr10,gr0)
 149
 150         sethi.p         0x0007,gr10             ; non RAM area
 151         setlo           0x0000,gr10
 152         sti             gr11,@(gr10,0)
 153         jmpl            @(gr10,gr0)
 154
 155         sethi.p         0xfe00,gr10             ; insn RAM area
 156         setlo           0x0000,gr10
 157         sti             gr11,@(gr10,0)
 158         jmpl            @(gr10,gr0)
 159
 160         sethi.p         0xfe40,gr10             ; data RAM area
 161         setlo           0x0000,gr10
 162         sti             gr11,@(gr10,0)
 163         dcf             @(gr10,gr0)
 164         jmpl            @(gr10,gr0)
 165
 166         pass
 167 fail:
 168         fail