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363 lines
6.4 KiB
363 lines
6.4 KiB
.file "x86cpuid.s"
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.text
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.globl OPENSSL_ia32_cpuid
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.type OPENSSL_ia32_cpuid,@function
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.align 16
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OPENSSL_ia32_cpuid:
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.L_OPENSSL_ia32_cpuid_begin:
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pushl %ebp
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pushl %ebx
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pushl %esi
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pushl %edi
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xorl %edx,%edx
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pushfl
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popl %eax
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movl %eax,%ecx
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xorl $2097152,%eax
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pushl %eax
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popfl
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pushfl
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popl %eax
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xorl %eax,%ecx
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xorl %eax,%eax
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btl $21,%ecx
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jnc .L000nocpuid
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movl 20(%esp),%esi
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movl %eax,8(%esi)
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.byte 0x0f,0xa2
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movl %eax,%edi
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xorl %eax,%eax
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cmpl $1970169159,%ebx
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setne %al
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movl %eax,%ebp
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cmpl $1231384169,%edx
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setne %al
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orl %eax,%ebp
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cmpl $1818588270,%ecx
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setne %al
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orl %eax,%ebp
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jz .L001intel
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cmpl $1752462657,%ebx
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setne %al
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movl %eax,%esi
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cmpl $1769238117,%edx
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setne %al
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orl %eax,%esi
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cmpl $1145913699,%ecx
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setne %al
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orl %eax,%esi
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jnz .L001intel
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movl $2147483648,%eax
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.byte 0x0f,0xa2
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cmpl $2147483649,%eax
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jb .L001intel
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movl %eax,%esi
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movl $2147483649,%eax
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.byte 0x0f,0xa2
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orl %ecx,%ebp
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andl $2049,%ebp
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cmpl $2147483656,%esi
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jb .L001intel
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movl $2147483656,%eax
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.byte 0x0f,0xa2
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movzbl %cl,%esi
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incl %esi
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movl $1,%eax
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xorl %ecx,%ecx
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.byte 0x0f,0xa2
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btl $28,%edx
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jnc .L002generic
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shrl $16,%ebx
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andl $255,%ebx
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cmpl %esi,%ebx
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ja .L002generic
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andl $4026531839,%edx
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jmp .L002generic
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.L001intel:
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cmpl $7,%edi
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jb .L003cacheinfo
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movl 20(%esp),%esi
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movl $7,%eax
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xorl %ecx,%ecx
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.byte 0x0f,0xa2
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movl %ebx,8(%esi)
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.L003cacheinfo:
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cmpl $4,%edi
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movl $-1,%edi
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jb .L004nocacheinfo
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movl $4,%eax
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movl $0,%ecx
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.byte 0x0f,0xa2
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movl %eax,%edi
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shrl $14,%edi
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andl $4095,%edi
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.L004nocacheinfo:
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movl $1,%eax
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xorl %ecx,%ecx
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.byte 0x0f,0xa2
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andl $3220176895,%edx
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cmpl $0,%ebp
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jne .L005notintel
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orl $1073741824,%edx
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andb $15,%ah
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cmpb $15,%ah
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jne .L005notintel
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orl $1048576,%edx
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.L005notintel:
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btl $28,%edx
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jnc .L002generic
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andl $4026531839,%edx
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cmpl $0,%edi
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je .L002generic
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orl $268435456,%edx
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shrl $16,%ebx
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cmpb $1,%bl
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ja .L002generic
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andl $4026531839,%edx
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.L002generic:
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andl $2048,%ebp
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andl $4294965247,%ecx
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movl %edx,%esi
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orl %ecx,%ebp
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btl $27,%ecx
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jnc .L006clear_avx
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xorl %ecx,%ecx
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.byte 15,1,208
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andl $6,%eax
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cmpl $6,%eax
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je .L007done
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cmpl $2,%eax
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je .L006clear_avx
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.L008clear_xmm:
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andl $4261412861,%ebp
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andl $4278190079,%esi
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.L006clear_avx:
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andl $4026525695,%ebp
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movl 20(%esp),%edi
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andl $4294967263,8(%edi)
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.L007done:
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movl %esi,%eax
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movl %ebp,%edx
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.L000nocpuid:
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popl %edi
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popl %esi
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popl %ebx
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popl %ebp
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ret
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.size OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
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.globl OPENSSL_rdtsc
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.type OPENSSL_rdtsc,@function
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.align 16
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OPENSSL_rdtsc:
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.L_OPENSSL_rdtsc_begin:
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xorl %eax,%eax
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xorl %edx,%edx
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leal OPENSSL_ia32cap_P,%ecx
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btl $4,(%ecx)
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jnc .L009notsc
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.byte 0x0f,0x31
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.L009notsc:
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ret
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.size OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
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.globl OPENSSL_instrument_halt
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.type OPENSSL_instrument_halt,@function
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.align 16
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OPENSSL_instrument_halt:
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.L_OPENSSL_instrument_halt_begin:
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leal OPENSSL_ia32cap_P,%ecx
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btl $4,(%ecx)
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jnc .L010nohalt
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.long 2421723150
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andl $3,%eax
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jnz .L010nohalt
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pushfl
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popl %eax
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btl $9,%eax
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jnc .L010nohalt
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.byte 0x0f,0x31
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pushl %edx
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pushl %eax
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hlt
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.byte 0x0f,0x31
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subl (%esp),%eax
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sbbl 4(%esp),%edx
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addl $8,%esp
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ret
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.L010nohalt:
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xorl %eax,%eax
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xorl %edx,%edx
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ret
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.size OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
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.globl OPENSSL_far_spin
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.type OPENSSL_far_spin,@function
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.align 16
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OPENSSL_far_spin:
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.L_OPENSSL_far_spin_begin:
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pushfl
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popl %eax
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btl $9,%eax
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jnc .L011nospin
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movl 4(%esp),%eax
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movl 8(%esp),%ecx
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.long 2430111262
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xorl %eax,%eax
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movl (%ecx),%edx
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jmp .L012spin
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.align 16
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.L012spin:
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incl %eax
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cmpl (%ecx),%edx
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je .L012spin
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.long 529567888
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ret
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.L011nospin:
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xorl %eax,%eax
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xorl %edx,%edx
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ret
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.size OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
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.globl OPENSSL_wipe_cpu
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.type OPENSSL_wipe_cpu,@function
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.align 16
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OPENSSL_wipe_cpu:
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.L_OPENSSL_wipe_cpu_begin:
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xorl %eax,%eax
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xorl %edx,%edx
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leal OPENSSL_ia32cap_P,%ecx
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movl (%ecx),%ecx
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btl $1,(%ecx)
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jnc .L013no_x87
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andl $83886080,%ecx
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cmpl $83886080,%ecx
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jne .L014no_sse2
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pxor %xmm0,%xmm0
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pxor %xmm1,%xmm1
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pxor %xmm2,%xmm2
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pxor %xmm3,%xmm3
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pxor %xmm4,%xmm4
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pxor %xmm5,%xmm5
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pxor %xmm6,%xmm6
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pxor %xmm7,%xmm7
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.L014no_sse2:
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.long 4007259865,4007259865,4007259865,4007259865,2430851995
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.L013no_x87:
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leal 4(%esp),%eax
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ret
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.size OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
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.globl OPENSSL_atomic_add
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.type OPENSSL_atomic_add,@function
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.align 16
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OPENSSL_atomic_add:
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.L_OPENSSL_atomic_add_begin:
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movl 4(%esp),%edx
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movl 8(%esp),%ecx
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pushl %ebx
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nop
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movl (%edx),%eax
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.L015spin:
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leal (%eax,%ecx,1),%ebx
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nop
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.long 447811568
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jne .L015spin
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movl %ebx,%eax
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popl %ebx
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ret
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.size OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
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.globl OPENSSL_indirect_call
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.type OPENSSL_indirect_call,@function
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.align 16
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OPENSSL_indirect_call:
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.L_OPENSSL_indirect_call_begin:
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pushl %ebp
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movl %esp,%ebp
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subl $28,%esp
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movl 12(%ebp),%ecx
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movl %ecx,(%esp)
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movl 16(%ebp),%edx
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movl %edx,4(%esp)
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movl 20(%ebp),%eax
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movl %eax,8(%esp)
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movl 24(%ebp),%eax
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movl %eax,12(%esp)
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movl 28(%ebp),%eax
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movl %eax,16(%esp)
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movl 32(%ebp),%eax
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movl %eax,20(%esp)
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movl 36(%ebp),%eax
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movl %eax,24(%esp)
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call *8(%ebp)
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movl %ebp,%esp
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popl %ebp
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ret
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.size OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
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.globl OPENSSL_cleanse
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.type OPENSSL_cleanse,@function
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.align 16
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OPENSSL_cleanse:
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.L_OPENSSL_cleanse_begin:
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movl 4(%esp),%edx
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movl 8(%esp),%ecx
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xorl %eax,%eax
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cmpl $7,%ecx
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jae .L016lot
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cmpl $0,%ecx
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je .L017ret
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.L018little:
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movb %al,(%edx)
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subl $1,%ecx
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leal 1(%edx),%edx
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jnz .L018little
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.L017ret:
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ret
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.align 16
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.L016lot:
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testl $3,%edx
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jz .L019aligned
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movb %al,(%edx)
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leal -1(%ecx),%ecx
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leal 1(%edx),%edx
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jmp .L016lot
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.L019aligned:
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movl %eax,(%edx)
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leal -4(%ecx),%ecx
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testl $-4,%ecx
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leal 4(%edx),%edx
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jnz .L019aligned
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cmpl $0,%ecx
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jne .L018little
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ret
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.size OPENSSL_cleanse,.-.L_OPENSSL_cleanse_begin
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.globl OPENSSL_ia32_rdrand
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.type OPENSSL_ia32_rdrand,@function
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.align 16
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OPENSSL_ia32_rdrand:
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.L_OPENSSL_ia32_rdrand_begin:
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movl $8,%ecx
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.L020loop:
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.byte 15,199,240
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jc .L021break
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loop .L020loop
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.L021break:
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cmpl $0,%eax
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cmovel %ecx,%eax
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ret
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.size OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
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.globl OPENSSL_ia32_rdseed
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.type OPENSSL_ia32_rdseed,@function
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.align 16
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OPENSSL_ia32_rdseed:
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.L_OPENSSL_ia32_rdseed_begin:
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movl $8,%ecx
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.L022loop:
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.byte 15,199,248
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jc .L023break
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loop .L022loop
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.L023break:
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cmpl $0,%eax
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cmovel %ecx,%eax
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ret
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.size OPENSSL_ia32_rdseed,.-.L_OPENSSL_ia32_rdseed_begin
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.hidden OPENSSL_cpuid_setup
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.hidden OPENSSL_ia32cap_P
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.comm OPENSSL_ia32cap_P,16,4
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.section .init
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call OPENSSL_cpuid_setup
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