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crpyto/ppccpuid.pl: add FPU probe and fix OPENSSL_rdtsc.

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Reviewed-by: Kurt Roeckx <kurt@openssl.org>
This commit is contained in:
Andy Polyakov 2015-11-14 00:16:37 +01:00
parent 2688d99989
commit 81eae077ce
1 changed files with 19 additions and 0 deletions
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19
crypto/ppccpuid.pl
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@ -23,6 +23,14 @@ $code=<<___;
.machine "any" .machine "any"
.text .text
.globl .OPENSSL_fpu_probe
.align 4
.OPENSSL_fpu_probe:
fmr f0,f0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe
.globl .OPENSSL_ppc64_probe .globl .OPENSSL_ppc64_probe
.align 4 .align 4
.OPENSSL_ppc64_probe: .OPENSSL_ppc64_probe:
@ -102,8 +110,19 @@ Ladd: lwarx r5,0,r3
.globl .OPENSSL_rdtsc .globl .OPENSSL_rdtsc
.align 4 .align 4
.OPENSSL_rdtsc: .OPENSSL_rdtsc:
___
$code.=<<___ if ($flavour =~ /64/);
mftb r3
___
$code.=<<___ if ($flavour !~ /64/);
Loop_rdtsc:
mftbu r5
mftb r3 mftb r3
mftbu r4 mftbu r4
cmplw r4,r5
bne Loop_rdtsc
___
$code.=<<___;
blr blr
.long 0 .long 0
.byte 0,12,0x14,0,0,0,0,0 .byte 0,12,0x14,0,0,0,0,0