diff options
Diffstat (limited to 'crypto/ppccpuid.pl')
| -rwxr-xr-x | crypto/ppccpuid.pl | 123 |
1 files changed, 102 insertions, 21 deletions
diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl index 9d1cada4dc..f526c8a522 100755 --- a/crypto/ppccpuid.pl +++ b/crypto/ppccpuid.pl @@ -124,26 +124,23 @@ Ladd: lwarx r5,0,r3 .long 0 .size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add -.globl .OPENSSL_rdtsc +.globl .OPENSSL_rdtsc_mftb .align 4 -.OPENSSL_rdtsc: -___ -$code.=<<___ if ($flavour =~ /64/); - mftb r3 -___ -$code.=<<___ if ($flavour !~ /64/); -Loop_rdtsc: - mftbu r5 +.OPENSSL_rdtsc_mftb: mftb r3 - mftbu r4 - cmplw r4,r5 - bne Loop_rdtsc -___ -$code.=<<___; blr .long 0 .byte 0,12,0x14,0,0,0,0,0 -.size .OPENSSL_rdtsc,.-.OPENSSL_rdtsc +.size .OPENSSL_rdtsc_mftb,.-.OPENSSL_rdtsc_mftb + +.globl .OPENSSL_rdtsc_mfspr268 +.align 4 +.OPENSSL_rdtsc_mfspr268: + mfspr r3,268 + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 +.size .OPENSSL_rdtsc_mfspr268,.-.OPENSSL_rdtsc_mfspr268 .globl .OPENSSL_cleanse .align 4 @@ -210,9 +207,9 @@ my ($tick,$lasttick)=("r6","r7"); my ($diff,$lastdiff)=("r8","r9"); $code.=<<___; -.globl .OPENSSL_instrument_bus +.globl .OPENSSL_instrument_bus_mftb .align 4 -.OPENSSL_instrument_bus: +.OPENSSL_instrument_bus_mftb: mtctr $cnt mftb $lasttick # collect 1st tick @@ -240,11 +237,11 @@ Loop: mftb $tick .long 0 .byte 0,12,0x14,0,0,0,2,0 .long 0 -.size .OPENSSL_instrument_bus,.-.OPENSSL_instrument_bus +.size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb -.globl .OPENSSL_instrument_bus2 +.globl .OPENSSL_instrument_bus2_mftb .align 4 -.OPENSSL_instrument_bus2: +.OPENSSL_instrument_bus2_mftb: mr r0,$cnt slwi $cnt,$cnt,2 @@ -292,7 +289,91 @@ Ldone2: .long 0 .byte 0,12,0x14,0,0,0,3,0 .long 0 -.size .OPENSSL_instrument_bus2,.-.OPENSSL_instrument_bus2 +.size .OPENSSL_instrument_bus2_mftb,.-.OPENSSL_instrument_bus2_mftb + +.globl .OPENSSL_instrument_bus_mfspr268 +.align 4 +.OPENSSL_instrument_bus_mfspr268: + mtctr $cnt + + mfspr $lasttick,268 # collect 1st tick + li $diff,0 + + dcbf 0,$out # flush cache line + lwarx $tick,0,$out # load and lock + add $tick,$tick,$diff + stwcx. $tick,0,$out + stwx $tick,0,$out + +Loop3: mfspr $tick,268 + sub $diff,$tick,$lasttick + mr $lasttick,$tick + dcbf 0,$out # flush cache line + lwarx $tick,0,$out # load and lock + add $tick,$tick,$diff + stwcx. $tick,0,$out + stwx $tick,0,$out + addi $out,$out,4 # ++$out + bdnz Loop3 + + mr r3,$cnt + blr + .long 0 + .byte 0,12,0x14,0,0,0,2,0 + .long 0 +.size .OPENSSL_instrument_bus_mfspr268,.-.OPENSSL_instrument_bus_mfspr268 + +.globl .OPENSSL_instrument_bus2_mfspr268 +.align 4 +.OPENSSL_instrument_bus2_mfspr268: + mr r0,$cnt + slwi $cnt,$cnt,2 + + mfspr $lasttick,268 # collect 1st tick + li $diff,0 + + dcbf 0,$out # flush cache line + lwarx $tick,0,$out # load and lock + add $tick,$tick,$diff + stwcx. $tick,0,$out + stwx $tick,0,$out + + mfspr $tick,268 # collect 1st diff + sub $diff,$tick,$lasttick + mr $lasttick,$tick + mr $lastdiff,$diff +Loop4: + dcbf 0,$out # flush cache line + lwarx $tick,0,$out # load and lock + add $tick,$tick,$diff + stwcx. $tick,0,$out + stwx $tick,0,$out + + addic. $max,$max,-1 + beq Ldone4 + + mfspr $tick,268 + sub $diff,$tick,$lasttick + mr $lasttick,$tick + cmplw 7,$diff,$lastdiff + mr $lastdiff,$diff + + mfcr $tick # pull cr + not $tick,$tick # flip bits + rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale + + sub. $cnt,$cnt,$tick # conditional --$cnt + add $out,$out,$tick # conditional ++$out + bne Loop4 + +Ldone4: + srwi $cnt,$cnt,2 + sub r3,r0,$cnt + blr + .long 0 + .byte 0,12,0x14,0,0,0,3,0 + .long 0 +.size .OPENSSL_instrument_bus2_mfspr268,.-.OPENSSL_instrument_bus2_mfspr268 ___ } |