diff options
Diffstat (limited to 'deps/openssl/asm/x64-macosx-gas/x86_64cpuid.s')
| -rw-r--r-- | deps/openssl/asm/x64-macosx-gas/x86_64cpuid.s | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/deps/openssl/asm/x64-macosx-gas/x86_64cpuid.s b/deps/openssl/asm/x64-macosx-gas/x86_64cpuid.s new file mode 100644 index 0000000000..a1670e38e8 --- /dev/null +++ b/deps/openssl/asm/x64-macosx-gas/x86_64cpuid.s @@ -0,0 +1,195 @@ + +.mod_init_func + .p2align 3 + .quad _OPENSSL_cpuid_setup + +.text + + +.globl _OPENSSL_atomic_add + +.p2align 4 +_OPENSSL_atomic_add: + movl (%rdi),%eax +L$spin: leaq (%rsi,%rax,1),%r8 +.byte 0xf0 + + cmpxchgl %r8d,(%rdi) + jne L$spin + movl %r8d,%eax +.byte 0x48,0x98 + + .byte 0xf3,0xc3 + + +.globl _OPENSSL_rdtsc + +.p2align 4 +_OPENSSL_rdtsc: + rdtsc + shlq $32,%rdx + orq %rdx,%rax + .byte 0xf3,0xc3 + + +.globl _OPENSSL_ia32_cpuid + +.p2align 4 +_OPENSSL_ia32_cpuid: + movq %rbx,%r8 + + xorl %eax,%eax + cpuid + movl %eax,%r11d + + xorl %eax,%eax + cmpl $1970169159,%ebx + setne %al + movl %eax,%r9d + cmpl $1231384169,%edx + setne %al + orl %eax,%r9d + cmpl $1818588270,%ecx + setne %al + orl %eax,%r9d + jz L$intel + + cmpl $1752462657,%ebx + setne %al + movl %eax,%r10d + cmpl $1769238117,%edx + setne %al + orl %eax,%r10d + cmpl $1145913699,%ecx + setne %al + orl %eax,%r10d + jnz L$intel + + + movl $2147483648,%eax + cpuid + cmpl $2147483656,%eax + jb L$intel + + movl $2147483656,%eax + cpuid + movzbq %cl,%r10 + incq %r10 + + movl $1,%eax + cpuid + btl $28,%edx + jnc L$done + shrl $16,%ebx + cmpb %r10b,%bl + ja L$done + andl $4026531839,%edx + jmp L$done + +L$intel: + cmpl $4,%r11d + movl $-1,%r10d + jb L$nocacheinfo + + movl $4,%eax + movl $0,%ecx + cpuid + movl %eax,%r10d + shrl $14,%r10d + andl $4095,%r10d + +L$nocacheinfo: + movl $1,%eax + cpuid + cmpl $0,%r9d + jne L$notintel + orl $1048576,%edx + andb $15,%ah + cmpb $15,%ah + je L$notintel + orl $1073741824,%edx +L$notintel: + btl $28,%edx + jnc L$done + andl $4026531839,%edx + cmpl $0,%r10d + je L$done + + orl $268435456,%edx + shrl $16,%ebx + cmpb $1,%bl + ja L$done + andl $4026531839,%edx +L$done: + shlq $32,%rcx + movl %edx,%eax + movq %r8,%rbx + orq %rcx,%rax + .byte 0xf3,0xc3 + + +.globl _OPENSSL_cleanse + +.p2align 4 +_OPENSSL_cleanse: + xorq %rax,%rax + cmpq $15,%rsi + jae L$ot + cmpq $0,%rsi + je L$ret +L$ittle: + movb %al,(%rdi) + subq $1,%rsi + leaq 1(%rdi),%rdi + jnz L$ittle +L$ret: + .byte 0xf3,0xc3 +.p2align 4 +L$ot: + testq $7,%rdi + jz L$aligned + movb %al,(%rdi) + leaq -1(%rsi),%rsi + leaq 1(%rdi),%rdi + jmp L$ot +L$aligned: + movq %rax,(%rdi) + leaq -8(%rsi),%rsi + testq $-8,%rsi + leaq 8(%rdi),%rdi + jnz L$aligned + cmpq $0,%rsi + jne L$ittle + .byte 0xf3,0xc3 + +.globl _OPENSSL_wipe_cpu + +.p2align 4 +_OPENSSL_wipe_cpu: + pxor %xmm0,%xmm0 + pxor %xmm1,%xmm1 + pxor %xmm2,%xmm2 + pxor %xmm3,%xmm3 + pxor %xmm4,%xmm4 + pxor %xmm5,%xmm5 + pxor %xmm6,%xmm6 + pxor %xmm7,%xmm7 + pxor %xmm8,%xmm8 + pxor %xmm9,%xmm9 + pxor %xmm10,%xmm10 + pxor %xmm11,%xmm11 + pxor %xmm12,%xmm12 + pxor %xmm13,%xmm13 + pxor %xmm14,%xmm14 + pxor %xmm15,%xmm15 + xorq %rcx,%rcx + xorq %rdx,%rdx + xorq %rsi,%rsi + xorq %rdi,%rdi + xorq %r8,%r8 + xorq %r9,%r9 + xorq %r10,%r10 + xorq %r11,%r11 + leaq 8(%rsp),%rax + .byte 0xf3,0xc3 + |