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|
# $FreeBSD$
.file "x86cpuid.s"
.text
.globl OPENSSL_ia32_cpuid
.type OPENSSL_ia32_cpuid,@function
.align 16
OPENSSL_ia32_cpuid:
.L_OPENSSL_ia32_cpuid_begin:
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
xorl %edx,%edx
pushfl
popl %eax
movl %eax,%ecx
xorl $2097152,%eax
pushl %eax
popfl
pushfl
popl %eax
xorl %eax,%ecx
xorl %eax,%eax
btl $21,%ecx
jnc .L000nocpuid
.byte 0x0f,0xa2
movl %eax,%edi
xorl %eax,%eax
cmpl $1970169159,%ebx
setne %al
movl %eax,%ebp
cmpl $1231384169,%edx
setne %al
orl %eax,%ebp
cmpl $1818588270,%ecx
setne %al
orl %eax,%ebp
jz .L001intel
cmpl $1752462657,%ebx
setne %al
movl %eax,%esi
cmpl $1769238117,%edx
setne %al
orl %eax,%esi
cmpl $1145913699,%ecx
setne %al
orl %eax,%esi
jnz .L001intel
movl $2147483648,%eax
.byte 0x0f,0xa2
cmpl $2147483649,%eax
jb .L001intel
movl %eax,%esi
movl $2147483649,%eax
.byte 0x0f,0xa2
orl %ecx,%ebp
andl $2049,%ebp
cmpl $2147483656,%esi
jb .L001intel
movl $2147483656,%eax
.byte 0x0f,0xa2
movzbl %cl,%esi
incl %esi
movl $1,%eax
xorl %ecx,%ecx
.byte 0x0f,0xa2
btl $28,%edx
jnc .L002generic
shrl $16,%ebx
andl $255,%ebx
cmpl %esi,%ebx
ja .L002generic
andl $4026531839,%edx
jmp .L002generic
.L001intel:
cmpl $4,%edi
movl $-1,%edi
jb .L003nocacheinfo
movl $4,%eax
movl $0,%ecx
.byte 0x0f,0xa2
movl %eax,%edi
shrl $14,%edi
andl $4095,%edi
.L003nocacheinfo:
movl $1,%eax
xorl %ecx,%ecx
.byte 0x0f,0xa2
andl $3220176895,%edx
cmpl $0,%ebp
jne .L004notintel
orl $1073741824,%edx
andb $15,%ah
cmpb $15,%ah
jne .L004notintel
orl $1048576,%edx
.L004notintel:
btl $28,%edx
jnc .L002generic
andl $4026531839,%edx
cmpl $0,%edi
je .L002generic
orl $268435456,%edx
shrl $16,%ebx
cmpb $1,%bl
ja .L002generic
andl $4026531839,%edx
.L002generic:
andl $2048,%ebp
andl $4294965247,%ecx
movl %edx,%esi
orl %ecx,%ebp
btl $27,%ecx
jnc .L005clear_avx
xorl %ecx,%ecx
.byte 15,1,208
andl $6,%eax
cmpl $6,%eax
je .L006done
cmpl $2,%eax
je .L005clear_avx
.L007clear_xmm:
andl $4261412861,%ebp
andl $4278190079,%esi
.L005clear_avx:
andl $4026525695,%ebp
.L006done:
movl %esi,%eax
movl %ebp,%edx
.L000nocpuid:
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.size OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
.globl OPENSSL_rdtsc
.type OPENSSL_rdtsc,@function
.align 16
OPENSSL_rdtsc:
.L_OPENSSL_rdtsc_begin:
xorl %eax,%eax
xorl %edx,%edx
leal OPENSSL_ia32cap_P,%ecx
btl $4,(%ecx)
jnc .L008notsc
.byte 0x0f,0x31
.L008notsc:
ret
.size OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
.globl OPENSSL_instrument_halt
.type OPENSSL_instrument_halt,@function
.align 16
OPENSSL_instrument_halt:
.L_OPENSSL_instrument_halt_begin:
leal OPENSSL_ia32cap_P,%ecx
btl $4,(%ecx)
jnc .L009nohalt
.long 2421723150
andl $3,%eax
jnz .L009nohalt
pushfl
popl %eax
btl $9,%eax
jnc .L009nohalt
.byte 0x0f,0x31
pushl %edx
pushl %eax
hlt
.byte 0x0f,0x31
subl (%esp),%eax
sbbl 4(%esp),%edx
addl $8,%esp
ret
.L009nohalt:
xorl %eax,%eax
xorl %edx,%edx
ret
.size OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
.globl OPENSSL_far_spin
.type OPENSSL_far_spin,@function
.align 16
OPENSSL_far_spin:
.L_OPENSSL_far_spin_begin:
pushfl
popl %eax
btl $9,%eax
jnc .L010nospin
movl 4(%esp),%eax
movl 8(%esp),%ecx
.long 2430111262
xorl %eax,%eax
movl (%ecx),%edx
jmp .L011spin
.align 16
.L011spin:
incl %eax
cmpl (%ecx),%edx
je .L011spin
.long 529567888
ret
.L010nospin:
xorl %eax,%eax
xorl %edx,%edx
ret
.size OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
.globl OPENSSL_wipe_cpu
.type OPENSSL_wipe_cpu,@function
.align 16
OPENSSL_wipe_cpu:
.L_OPENSSL_wipe_cpu_begin:
xorl %eax,%eax
xorl %edx,%edx
leal OPENSSL_ia32cap_P,%ecx
movl (%ecx),%ecx
btl $1,(%ecx)
jnc .L012no_x87
andl $83886080,%ecx
cmpl $83886080,%ecx
jne .L013no_sse2
pxor %xmm0,%xmm0
pxor %xmm1,%xmm1
pxor %xmm2,%xmm2
pxor %xmm3,%xmm3
pxor %xmm4,%xmm4
pxor %xmm5,%xmm5
pxor %xmm6,%xmm6
pxor %xmm7,%xmm7
.L013no_sse2:
.long 4007259865,4007259865,4007259865,4007259865,2430851995
.L012no_x87:
leal 4(%esp),%eax
ret
.size OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
.globl OPENSSL_atomic_add
.type OPENSSL_atomic_add,@function
.align 16
OPENSSL_atomic_add:
.L_OPENSSL_atomic_add_begin:
movl 4(%esp),%edx
movl 8(%esp),%ecx
pushl %ebx
nop
movl (%edx),%eax
.L014spin:
leal (%eax,%ecx,1),%ebx
nop
.long 447811568
jne .L014spin
movl %ebx,%eax
popl %ebx
ret
.size OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
.globl OPENSSL_indirect_call
.type OPENSSL_indirect_call,@function
.align 16
OPENSSL_indirect_call:
.L_OPENSSL_indirect_call_begin:
pushl %ebp
movl %esp,%ebp
subl $28,%esp
movl 12(%ebp),%ecx
movl %ecx,(%esp)
movl 16(%ebp),%edx
movl %edx,4(%esp)
movl 20(%ebp),%eax
movl %eax,8(%esp)
movl 24(%ebp),%eax
movl %eax,12(%esp)
movl 28(%ebp),%eax
movl %eax,16(%esp)
movl 32(%ebp),%eax
movl %eax,20(%esp)
movl 36(%ebp),%eax
movl %eax,24(%esp)
call *8(%ebp)
movl %ebp,%esp
popl %ebp
ret
.size OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
.globl OPENSSL_cleanse
.type OPENSSL_cleanse,@function
.align 16
OPENSSL_cleanse:
.L_OPENSSL_cleanse_begin:
movl 4(%esp),%edx
movl 8(%esp),%ecx
xorl %eax,%eax
cmpl $7,%ecx
jae .L015lot
cmpl $0,%ecx
je .L016ret
.L017little:
movb %al,(%edx)
subl $1,%ecx
leal 1(%edx),%edx
jnz .L017little
.L016ret:
ret
.align 16
.L015lot:
testl $3,%edx
jz .L018aligned
movb %al,(%edx)
leal -1(%ecx),%ecx
leal 1(%edx),%edx
jmp .L015lot
.L018aligned:
movl %eax,(%edx)
leal -4(%ecx),%ecx
testl $-4,%ecx
leal 4(%edx),%edx
jnz .L018aligned
cmpl $0,%ecx
jne .L017little
ret
.size OPENSSL_cleanse,.-.L_OPENSSL_cleanse_begin
.globl OPENSSL_ia32_rdrand
.type OPENSSL_ia32_rdrand,@function
.align 16
OPENSSL_ia32_rdrand:
.L_OPENSSL_ia32_rdrand_begin:
movl $8,%ecx
.L019loop:
.byte 15,199,240
jc .L020break
loop .L019loop
.L020break:
cmpl $0,%eax
cmovel %ecx,%eax
ret
.size OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
.comm OPENSSL_ia32cap_P,8,4
.section .init
call OPENSSL_cpuid_setup
|
