mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-02 13:03:28 +01:00
507 lines
12 KiB
NASM
507 lines
12 KiB
NASM
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%ifidn __OUTPUT_FORMAT__,obj
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section code use32 class=code align=64
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%elifidn __OUTPUT_FORMAT__,win32
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$@feat.00 equ 1
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section .text code align=64
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%else
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section .text code
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%endif
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global _OPENSSL_ia32_cpuid
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align 16
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_OPENSSL_ia32_cpuid:
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L$_OPENSSL_ia32_cpuid_begin:
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push ebp
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push ebx
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push esi
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push edi
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xor edx,edx
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pushfd
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pop eax
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mov ecx,eax
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xor eax,2097152
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push eax
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popfd
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pushfd
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pop eax
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xor ecx,eax
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xor eax,eax
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mov esi,DWORD [20+esp]
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mov DWORD [8+esi],eax
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bt ecx,21
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jnc NEAR L$000nocpuid
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cpuid
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mov edi,eax
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xor eax,eax
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cmp ebx,1970169159
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setne al
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mov ebp,eax
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cmp edx,1231384169
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setne al
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or ebp,eax
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cmp ecx,1818588270
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setne al
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or ebp,eax
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jz NEAR L$001intel
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cmp ebx,1752462657
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setne al
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mov esi,eax
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cmp edx,1769238117
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setne al
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or esi,eax
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cmp ecx,1145913699
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setne al
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or esi,eax
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jnz NEAR L$001intel
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mov eax,2147483648
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cpuid
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cmp eax,2147483649
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jb NEAR L$001intel
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mov esi,eax
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mov eax,2147483649
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cpuid
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or ebp,ecx
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and ebp,2049
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cmp esi,2147483656
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jb NEAR L$001intel
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mov eax,2147483656
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cpuid
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movzx esi,cl
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inc esi
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mov eax,1
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xor ecx,ecx
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cpuid
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bt edx,28
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jnc NEAR L$002generic
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shr ebx,16
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and ebx,255
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cmp ebx,esi
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ja NEAR L$002generic
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and edx,4026531839
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jmp NEAR L$002generic
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L$001intel:
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cmp edi,4
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mov esi,-1
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jb NEAR L$003nocacheinfo
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mov eax,4
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mov ecx,0
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cpuid
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mov esi,eax
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shr esi,14
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and esi,4095
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L$003nocacheinfo:
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mov eax,1
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xor ecx,ecx
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cpuid
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and edx,3220176895
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cmp ebp,0
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jne NEAR L$004notintel
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or edx,1073741824
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and ah,15
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cmp ah,15
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jne NEAR L$004notintel
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or edx,1048576
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L$004notintel:
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bt edx,28
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jnc NEAR L$002generic
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and edx,4026531839
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cmp esi,0
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je NEAR L$002generic
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or edx,268435456
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shr ebx,16
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cmp bl,1
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ja NEAR L$002generic
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and edx,4026531839
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L$002generic:
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and ebp,2048
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and ecx,4294965247
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mov esi,edx
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or ebp,ecx
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cmp edi,7
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mov edi,DWORD [20+esp]
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jb NEAR L$005no_extended_info
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mov eax,7
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xor ecx,ecx
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cpuid
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mov DWORD [8+edi],ebx
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L$005no_extended_info:
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bt ebp,27
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jnc NEAR L$006clear_avx
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xor ecx,ecx
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db 15,1,208
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and eax,6
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cmp eax,6
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je NEAR L$007done
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cmp eax,2
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je NEAR L$006clear_avx
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L$008clear_xmm:
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and ebp,4261412861
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and esi,4278190079
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L$006clear_avx:
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and ebp,4026525695
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and DWORD [8+edi],4294967263
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L$007done:
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mov eax,esi
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mov edx,ebp
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L$000nocpuid:
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pop edi
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pop esi
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pop ebx
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pop ebp
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ret
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;extern _OPENSSL_ia32cap_P
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global _OPENSSL_rdtsc
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align 16
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_OPENSSL_rdtsc:
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L$_OPENSSL_rdtsc_begin:
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xor eax,eax
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xor edx,edx
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lea ecx,[_OPENSSL_ia32cap_P]
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bt DWORD [ecx],4
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jnc NEAR L$009notsc
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rdtsc
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L$009notsc:
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ret
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global _OPENSSL_instrument_halt
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align 16
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_OPENSSL_instrument_halt:
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L$_OPENSSL_instrument_halt_begin:
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lea ecx,[_OPENSSL_ia32cap_P]
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bt DWORD [ecx],4
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jnc NEAR L$010nohalt
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dd 2421723150
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and eax,3
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jnz NEAR L$010nohalt
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pushfd
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pop eax
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bt eax,9
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jnc NEAR L$010nohalt
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rdtsc
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push edx
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push eax
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hlt
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rdtsc
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sub eax,DWORD [esp]
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sbb edx,DWORD [4+esp]
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add esp,8
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ret
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L$010nohalt:
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xor eax,eax
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xor edx,edx
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ret
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global _OPENSSL_far_spin
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align 16
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_OPENSSL_far_spin:
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L$_OPENSSL_far_spin_begin:
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pushfd
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pop eax
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bt eax,9
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jnc NEAR L$011nospin
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mov eax,DWORD [4+esp]
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mov ecx,DWORD [8+esp]
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dd 2430111262
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xor eax,eax
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mov edx,DWORD [ecx]
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jmp NEAR L$012spin
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align 16
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L$012spin:
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inc eax
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cmp edx,DWORD [ecx]
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je NEAR L$012spin
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dd 529567888
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ret
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L$011nospin:
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xor eax,eax
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xor edx,edx
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ret
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global _OPENSSL_wipe_cpu
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align 16
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_OPENSSL_wipe_cpu:
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L$_OPENSSL_wipe_cpu_begin:
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xor eax,eax
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xor edx,edx
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lea ecx,[_OPENSSL_ia32cap_P]
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mov ecx,DWORD [ecx]
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bt DWORD [ecx],1
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jnc NEAR L$013no_x87
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and ecx,83886080
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cmp ecx,83886080
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jne NEAR L$014no_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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L$014no_sse2:
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dd 4007259865,4007259865,4007259865,4007259865,2430851995
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L$013no_x87:
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lea eax,[4+esp]
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ret
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global _OPENSSL_atomic_add
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align 16
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_OPENSSL_atomic_add:
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L$_OPENSSL_atomic_add_begin:
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mov edx,DWORD [4+esp]
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mov ecx,DWORD [8+esp]
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push ebx
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nop
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mov eax,DWORD [edx]
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L$015spin:
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lea ebx,[ecx*1+eax]
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nop
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dd 447811568
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jne NEAR L$015spin
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mov eax,ebx
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pop ebx
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ret
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global _OPENSSL_cleanse
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align 16
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_OPENSSL_cleanse:
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L$_OPENSSL_cleanse_begin:
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mov edx,DWORD [4+esp]
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mov ecx,DWORD [8+esp]
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xor eax,eax
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cmp ecx,7
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jae NEAR L$016lot
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cmp ecx,0
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je NEAR L$017ret
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L$018little:
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mov BYTE [edx],al
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sub ecx,1
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lea edx,[1+edx]
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jnz NEAR L$018little
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L$017ret:
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ret
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align 16
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L$016lot:
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test edx,3
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jz NEAR L$019aligned
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mov BYTE [edx],al
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lea ecx,[ecx-1]
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lea edx,[1+edx]
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jmp NEAR L$016lot
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L$019aligned:
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mov DWORD [edx],eax
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lea ecx,[ecx-4]
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test ecx,-4
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lea edx,[4+edx]
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jnz NEAR L$019aligned
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cmp ecx,0
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jne NEAR L$018little
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ret
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global _CRYPTO_memcmp
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align 16
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_CRYPTO_memcmp:
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L$_CRYPTO_memcmp_begin:
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push esi
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push edi
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mov esi,DWORD [12+esp]
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mov edi,DWORD [16+esp]
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mov ecx,DWORD [20+esp]
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xor eax,eax
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xor edx,edx
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cmp ecx,0
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je NEAR L$020no_data
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L$021loop:
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mov dl,BYTE [esi]
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lea esi,[1+esi]
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xor dl,BYTE [edi]
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lea edi,[1+edi]
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or al,dl
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dec ecx
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jnz NEAR L$021loop
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neg eax
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shr eax,31
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L$020no_data:
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pop edi
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pop esi
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ret
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global _OPENSSL_instrument_bus
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align 16
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_OPENSSL_instrument_bus:
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L$_OPENSSL_instrument_bus_begin:
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push ebp
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push ebx
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push esi
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push edi
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mov eax,0
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lea edx,[_OPENSSL_ia32cap_P]
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bt DWORD [edx],4
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jnc NEAR L$022nogo
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bt DWORD [edx],19
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jnc NEAR L$022nogo
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mov edi,DWORD [20+esp]
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mov ecx,DWORD [24+esp]
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rdtsc
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mov esi,eax
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mov ebx,0
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clflush [edi]
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db 240
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add DWORD [edi],ebx
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jmp NEAR L$023loop
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align 16
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L$023loop:
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rdtsc
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mov edx,eax
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sub eax,esi
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mov esi,edx
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mov ebx,eax
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clflush [edi]
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db 240
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add DWORD [edi],eax
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lea edi,[4+edi]
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sub ecx,1
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jnz NEAR L$023loop
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mov eax,DWORD [24+esp]
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L$022nogo:
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pop edi
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pop esi
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pop ebx
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pop ebp
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ret
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global _OPENSSL_instrument_bus2
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align 16
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_OPENSSL_instrument_bus2:
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L$_OPENSSL_instrument_bus2_begin:
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push ebp
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push ebx
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push esi
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push edi
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mov eax,0
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lea edx,[_OPENSSL_ia32cap_P]
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bt DWORD [edx],4
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jnc NEAR L$024nogo
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bt DWORD [edx],19
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jnc NEAR L$024nogo
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mov edi,DWORD [20+esp]
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mov ecx,DWORD [24+esp]
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mov ebp,DWORD [28+esp]
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rdtsc
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mov esi,eax
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mov ebx,0
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clflush [edi]
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db 240
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add DWORD [edi],ebx
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rdtsc
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mov edx,eax
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sub eax,esi
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mov esi,edx
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mov ebx,eax
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jmp NEAR L$025loop2
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align 16
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L$025loop2:
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clflush [edi]
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db 240
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add DWORD [edi],eax
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sub ebp,1
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jz NEAR L$026done2
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rdtsc
|
||
|
|
mov edx,eax
|
||
|
|
sub eax,esi
|
||
|
|
mov esi,edx
|
||
|
|
cmp eax,ebx
|
||
|
|
mov ebx,eax
|
||
|
|
mov edx,0
|
||
|
|
setne dl
|
||
|
|
sub ecx,edx
|
||
|
|
lea edi,[edx*4+edi]
|
||
|
|
jnz NEAR L$025loop2
|
||
|
|
L$026done2:
|
||
|
|
mov eax,DWORD [24+esp]
|
||
|
|
sub eax,ecx
|
||
|
|
L$024nogo:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
global _OPENSSL_ia32_rdrand_bytes
|
||
|
|
align 16
|
||
|
|
_OPENSSL_ia32_rdrand_bytes:
|
||
|
|
L$_OPENSSL_ia32_rdrand_bytes_begin:
|
||
|
|
push edi
|
||
|
|
push ebx
|
||
|
|
xor eax,eax
|
||
|
|
mov edi,DWORD [12+esp]
|
||
|
|
mov ebx,DWORD [16+esp]
|
||
|
|
cmp ebx,0
|
||
|
|
je NEAR L$027done
|
||
|
|
mov ecx,8
|
||
|
|
L$028loop:
|
||
|
|
db 15,199,242
|
||
|
|
jc NEAR L$029break
|
||
|
|
loop L$028loop
|
||
|
|
jmp NEAR L$027done
|
||
|
|
align 16
|
||
|
|
L$029break:
|
||
|
|
cmp ebx,4
|
||
|
|
jb NEAR L$030tail
|
||
|
|
mov DWORD [edi],edx
|
||
|
|
lea edi,[4+edi]
|
||
|
|
add eax,4
|
||
|
|
sub ebx,4
|
||
|
|
jz NEAR L$027done
|
||
|
|
mov ecx,8
|
||
|
|
jmp NEAR L$028loop
|
||
|
|
align 16
|
||
|
|
L$030tail:
|
||
|
|
mov BYTE [edi],dl
|
||
|
|
lea edi,[1+edi]
|
||
|
|
inc eax
|
||
|
|
shr edx,8
|
||
|
|
dec ebx
|
||
|
|
jnz NEAR L$030tail
|
||
|
|
L$027done:
|
||
|
|
xor edx,edx
|
||
|
|
pop ebx
|
||
|
|
pop edi
|
||
|
|
ret
|
||
|
|
global _OPENSSL_ia32_rdseed_bytes
|
||
|
|
align 16
|
||
|
|
_OPENSSL_ia32_rdseed_bytes:
|
||
|
|
L$_OPENSSL_ia32_rdseed_bytes_begin:
|
||
|
|
push edi
|
||
|
|
push ebx
|
||
|
|
xor eax,eax
|
||
|
|
mov edi,DWORD [12+esp]
|
||
|
|
mov ebx,DWORD [16+esp]
|
||
|
|
cmp ebx,0
|
||
|
|
je NEAR L$031done
|
||
|
|
mov ecx,8
|
||
|
|
L$032loop:
|
||
|
|
db 15,199,250
|
||
|
|
jc NEAR L$033break
|
||
|
|
loop L$032loop
|
||
|
|
jmp NEAR L$031done
|
||
|
|
align 16
|
||
|
|
L$033break:
|
||
|
|
cmp ebx,4
|
||
|
|
jb NEAR L$034tail
|
||
|
|
mov DWORD [edi],edx
|
||
|
|
lea edi,[4+edi]
|
||
|
|
add eax,4
|
||
|
|
sub ebx,4
|
||
|
|
jz NEAR L$031done
|
||
|
|
mov ecx,8
|
||
|
|
jmp NEAR L$032loop
|
||
|
|
align 16
|
||
|
|
L$034tail:
|
||
|
|
mov BYTE [edi],dl
|
||
|
|
lea edi,[1+edi]
|
||
|
|
inc eax
|
||
|
|
shr edx,8
|
||
|
|
dec ebx
|
||
|
|
jnz NEAR L$034tail
|
||
|
|
L$031done:
|
||
|
|
xor edx,edx
|
||
|
|
pop ebx
|
||
|
|
pop edi
|
||
|
|
ret
|
||
|
|
segment .bss
|
||
|
|
common _OPENSSL_ia32cap_P 16
|
||
|
|
segment .CRT$XCU data align=4
|
||
|
|
extern _OPENSSL_cpuid_setup
|
||
|
|
dd _OPENSSL_cpuid_setup
|