diff options
Diffstat (limited to 'crypto/ia64cpuid.S')
| -rw-r--r-- | crypto/ia64cpuid.S | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/crypto/ia64cpuid.S b/crypto/ia64cpuid.S index 04fbb34..7832b9b 100644 --- a/crypto/ia64cpuid.S +++ b/crypto/ia64cpuid.S @@ -1,6 +1,13 @@ // Works on all IA-64 platforms: Linux, HP-UX, Win64i... // On Win64i compile with ias.exe. .text + +.global OPENSSL_cpuid_setup# +.proc OPENSSL_cpuid_setup# +OPENSSL_cpuid_setup: +{ .mib; br.ret.sptk.many b0 };; +.endp OPENSSL_cpuid_setup# + .global OPENSSL_rdtsc# .proc OPENSSL_rdtsc# OPENSSL_rdtsc: @@ -19,7 +26,7 @@ OPENSSL_atomic_add: { .mii; mov ar.ccv=r2 add r8=r2,r33 mov r3=r2 };; -{ .mmi; mf +{ .mmi; mf;; cmpxchg4.acq r2=[r32],r8,ar.ccv nop.i 0 };; { .mib; cmp.ne p6,p0=r2,r3 @@ -119,3 +126,42 @@ OPENSSL_wipe_cpu: mov ar.lc=r3 br.ret.sptk b0 };; .endp OPENSSL_wipe_cpu# + +.global OPENSSL_cleanse# +.proc OPENSSL_cleanse# +OPENSSL_cleanse: +{ .mib; cmp.eq p6,p0=0,r33 // len==0 +#if defined(_HPUX_SOURCE) && !defined(_LP64) + addp4 r32=0,r32 +#endif +(p6) br.ret.spnt b0 };; +{ .mib; and r2=7,r32 + cmp.leu p6,p0=15,r33 // len>=15 +(p6) br.cond.dptk .Lot };; + +.Little: +{ .mib; st1 [r32]=r0,1 + cmp.ltu p6,p7=1,r33 } // len>1 +{ .mbb; add r33=-1,r33 // len-- +(p6) br.cond.dptk .Little +(p7) br.ret.sptk.many b0 };; + +.Lot: +{ .mib; cmp.eq p6,p0=0,r2 +(p6) br.cond.dptk .Laligned };; +{ .mmi; st1 [r32]=r0,1;; + and r2=7,r32 } +{ .mib; add r33=-1,r33 + br .Lot };; + +.Laligned: +{ .mmi; st8 [r32]=r0,8 + and r2=-8,r33 // len&~7 + add r33=-8,r33 };; // len-=8 +{ .mib; cmp.ltu p6,p0=8,r2 // ((len+8)&~7)>8 +(p6) br.cond.dptk .Laligned };; + +{ .mbb; cmp.eq p6,p7=r0,r33 +(p7) br.cond.dpnt .Little +(p6) br.ret.sptk.many b0 };; +.endp OPENSSL_cleanse# |
