summaryrefslogtreecommitdiffstats
path: root/crypto/sparccpuid.S
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/sparccpuid.S')
-rw-r--r--crypto/sparccpuid.S96
1 files changed, 96 insertions, 0 deletions
diff --git a/crypto/sparccpuid.S b/crypto/sparccpuid.S
index ae61f7f5ce..329efcdd3d 100644
--- 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