Multiple assembler packs: add experimental memory bus instrumentation.

[openssl.git] / crypto / sparccpuid.S

diff --git a/crypto/sparccpuid.S b/crypto/sparccpuid.S
index ae61f7f5cedb5436a612183439a2f24bdfd8f285..329efcdd3d0d164d4744e53172abb7e9e68eb3c5 100644 (file)
--- a/crypto/sparccpuid.S
+++ b/crypto/sparccpuid.S
@@ -397,6 +397,102 @@ OPENSSL_cleanse:
 .type  OPENSSL_cleanse,#function
 .size  OPENSSL_cleanse,.-OPENSSL_cleanse
 
+.global        _sparcv9_vis1_instrument_bus
+.align 8
+_sparcv9_vis1_instrument_bus:
+       mov     %o1,%o3                                 ! save cnt
+       .word   0x99410000      !rd     %tick,%o4       ! tick
+       mov     %o4,%o5                                 ! lasttick = tick
+       set     0,%g4                                   ! diff
+
+       andn    %o0,63,%g1
+       .word   0xc1985e00      !ldda   [%g1]0xf0,%f0   ! block load
+       .word   0x8143e040      !membar #Sync
+       .word   0xc1b85c00      !stda   %f0,[%g1]0xe0   ! block store and commit
+       .word   0x8143e040      !membar #Sync
+       ld      [%o0],%o4
+       add     %o4,%g4,%g4
+       .word   0xc9e2100c      !cas    [%o0],%o4,%g4
+
+.Loop: .word   0x99410000      !rd     %tick,%o4
+       sub     %o4,%o5,%g4                             ! diff=tick-lasttick
+       mov     %o4,%o5                                 ! lasttick=tick
+
+       andn    %o0,63,%g1
+       .word   0xc1985e00      !ldda   [%g1]0xf0,%f0   ! block load
+       .word   0x8143e040      !membar #Sync
+       .word   0xc1b85c00      !stda   %f0,[%g1]0xe0   ! block store and commit
+       .word   0x8143e040      !membar #Sync
+       ld      [%o0],%o4
+       add     %o4,%g4,%g4
+       .word   0xc9e2100c      !cas    [%o0],%o4,%g4
+       subcc   %o1,1,%o1                               ! --$cnt
+       bnz     .Loop
+       add     %o0,4,%o0                               ! ++$out
+
+       retl
+       mov     %o3,%o0
+.type  _sparcv9_vis1_instrument_bus,#function
+.size  _sparcv9_vis1_instrument_bus,.-_sparcv9_vis1_instrument_bus
+
+.global        _sparcv9_vis1_instrument_bus2
+.align 8
+_sparcv9_vis1_instrument_bus2:
+       mov     %o1,%o3                                 ! save cnt
+       sll     %o1,2,%o1                               ! cnt*=4
+
+       .word   0x99410000      !rd     %tick,%o4       ! tick
+       mov     %o4,%o5                                 ! lasttick = tick
+       set     0,%g4                                   ! diff
+
+       andn    %o0,63,%g1
+       .word   0xc1985e00      !ldda   [%g1]0xf0,%f0   ! block load
+       .word   0x8143e040      !membar #Sync
+       .word   0xc1b85c00      !stda   %f0,[%g1]0xe0   ! block store and commit
+       .word   0x8143e040      !membar #Sync
+       ld      [%o0],%o4
+       add     %o4,%g4,%g4
+       .word   0xc9e2100c      !cas    [%o0],%o4,%g4
+
+       .word   0x99410000      !rd     %tick,%o4       ! tick
+       sub     %o4,%o5,%g4                             ! diff=tick-lasttick
+       mov     %o4,%o5                                 ! lasttick=tick
+       mov     %g4,%g5                                 ! lastdiff=diff
+.Loop2:
+       andn    %o0,63,%g1
+       .word   0xc1985e00      !ldda   [%g1]0xf0,%f0   ! block load
+       .word   0x8143e040      !membar #Sync
+       .word   0xc1b85c00      !stda   %f0,[%g1]0xe0   ! block store and commit
+       .word   0x8143e040      !membar #Sync
+       ld      [%o0],%o4
+       add     %o4,%g4,%g4
+       .word   0xc9e2100c      !cas    [%o0],%o4,%g4
+
+       subcc   %o2,1,%o2                               ! --max
+       bz      .Ldone2
+       nop
+
+       .word   0x99410000      !rd     %tick,%o4       ! tick
+       sub     %o4,%o5,%g4                             ! diff=tick-lasttick
+       mov     %o4,%o5                                 ! lasttick=tick
+       cmp     %g4,%g5
+       mov     %g4,%g5                                 ! lastdiff=diff
+
+       .word   0x83408000      !rd     %ccr,%g1
+       and     %g1,4,%g1                               ! isolate zero flag
+       xor     %g1,4,%g1                               ! flip zero flag
+
+       subcc   %o1,%g1,%o1                             ! conditional --$cnt
+       bnz     .Loop2
+       add     %o0,%g1,%o0                             ! conditional ++$out
+
+.Ldone2:
+       srl     %o1,2,%o1
+       retl
+       sub     %o3,%o1,%o0
+.type  _sparcv9_vis1_instrument_bus2,#function
+.size  _sparcv9_vis1_instrument_bus2,.-_sparcv9_vis1_instrument_bus2
+
 .section       ".init",#alloc,#execinstr
        call    OPENSSL_cpuid_setup
        nop