Current Path : /usr/src/crypto/openssl/crypto/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/crypto/openssl/crypto/ia64cpuid.S |
// Works on all IA-64 platforms: Linux, HP-UX, Win64i... // On Win64i compile with ias.exe. .text .global OPENSSL_rdtsc# .proc OPENSSL_rdtsc# OPENSSL_rdtsc: { .mib; mov r8=ar.itc br.ret.sptk.many b0 };; .endp OPENSSL_rdtsc# .global OPENSSL_atomic_add# .proc OPENSSL_atomic_add# .align 32 OPENSSL_atomic_add: { .mii; ld4 r2=[r32] nop.i 0 nop.i 0 };; .Lspin: { .mii; mov ar.ccv=r2 add r8=r2,r33 mov r3=r2 };; { .mmi; mf cmpxchg4.acq r2=[r32],r8,ar.ccv nop.i 0 };; { .mib; cmp.ne p6,p0=r2,r3 nop.i 0 (p6) br.dpnt .Lspin };; { .mib; nop.m 0 sxt4 r8=r8 br.ret.sptk.many b0 };; .endp OPENSSL_atomic_add# // Returns a structure comprising pointer to the top of stack of // the caller and pointer beyond backing storage for the current // register frame. The latter is required, because it might be // insufficient to wipe backing storage for the current frame // (as this procedure does), one might have to go further, toward // higher addresses to reach for whole "retroactively" saved // context... .global OPENSSL_wipe_cpu# .proc OPENSSL_wipe_cpu# .align 32 OPENSSL_wipe_cpu: .prologue .fframe 0 .save ar.pfs,r2 .save ar.lc,r3 { .mib; alloc r2=ar.pfs,0,96,0,96 mov r3=ar.lc brp.loop.imp .L_wipe_top,.L_wipe_end-16 };; { .mii; mov r9=ar.bsp mov r8=pr mov ar.lc=96 };; .body { .mii; add r9=96*8-8,r9 mov ar.ec=1 };; // One can sweep double as fast, but then we can't quarantee // that backing storage is wiped... .L_wipe_top: { .mfi; st8 [r9]=r0,-8 mov f127=f0 mov r127=r0 } { .mfb; nop.m 0 nop.f 0 br.ctop.sptk .L_wipe_top };; .L_wipe_end: { .mfi; mov r11=r0 mov f6=f0 mov r14=r0 } { .mfi; mov r15=r0 mov f7=f0 mov r16=r0 } { .mfi; mov r17=r0 mov f8=f0 mov r18=r0 } { .mfi; mov r19=r0 mov f9=f0 mov r20=r0 } { .mfi; mov r21=r0 mov f10=f0 mov r22=r0 } { .mfi; mov r23=r0 mov f11=f0 mov r24=r0 } { .mfi; mov r25=r0 mov f12=f0 mov r26=r0 } { .mfi; mov r27=r0 mov f13=f0 mov r28=r0 } { .mfi; mov r29=r0 mov f14=f0 mov r30=r0 } { .mfi; mov r31=r0 mov f15=f0 nop.i 0 } { .mfi; mov f16=f0 } { .mfi; mov f17=f0 } { .mfi; mov f18=f0 } { .mfi; mov f19=f0 } { .mfi; mov f20=f0 } { .mfi; mov f21=f0 } { .mfi; mov f22=f0 } { .mfi; mov f23=f0 } { .mfi; mov f24=f0 } { .mfi; mov f25=f0 } { .mfi; mov f26=f0 } { .mfi; mov f27=f0 } { .mfi; mov f28=f0 } { .mfi; mov f29=f0 } { .mfi; mov f30=f0 } { .mfi; add r9=96*8+8,r9 mov f31=f0 mov pr=r8,0x1ffff } { .mib; mov r8=sp mov ar.lc=r3 br.ret.sptk b0 };; .endp OPENSSL_wipe_cpu#