120 lines
1.7 KiB
PHP
120 lines
1.7 KiB
PHP
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section '.text' code executable readable
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;; Function: efi_log_init
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efi_log_init:
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mov eax, [pSystemTable]
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add eax, EFI_SYSTEM_TABLE.ConOut
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mov eax, [eax]
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mov [pConOut], eax
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mov ecx, [eax + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset]
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mov [fnOutputReset], ecx
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mov ecx, [eax + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString]
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mov [fnOutputStr], ecx
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mov eax, [pRuntimeServices]
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mov ecx, [eax + EFI_RUNTIMES_SERVICES.GetTime]
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mov [fnGetTime], ecx
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push 1
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push [pConOut]
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call [fnOutputReset]
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add esp, 8
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ret
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;; Function: efi_log_time
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efi_log_time:
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; GetTime(EFI_TIME *time, EFI_TIME_CAPS *cap)
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push 0
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push stEfiTime
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call [fnGetTime]
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add esp, 8
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; Hours
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mov al, [stEfiTime + EFI_TIME.Hour]
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xor ah, ah
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mov cl, 10
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div cl
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add ah, 0x30
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add al, 0x30
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movzx cx, al
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mov [szTime + 2], cx
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movzx cx, ah
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mov [szTime + 4], cx
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; Minutes
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mov al, [stEfiTime + EFI_TIME.Minute]
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xor ah, ah
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mov cl, 10
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div cl
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add ah, 0x30
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add al, 0x30
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movzx cx, al
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mov [szTime + 8], cx
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movzx cx, ah
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mov [szTime + 10], cx
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; Secondes
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mov al, [stEfiTime + EFI_TIME.Second]
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xor ah, ah
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mov cl, 10
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div cl
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add ah, 0x30
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add al, 0x30
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movzx cx, al
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mov [szTime + 14], cx
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movzx cx, ah
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mov [szTime + 16], cx
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push szTime
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push [pConOut]
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call [fnOutputStr]
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add esp, 8
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ret
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;; Function: efi_log
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;;
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;; In:
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;; ESI - string to print
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efi_log:
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call efi_log_time
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push esi
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push [pConOut]
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call [fnOutputStr]
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add esp, 8
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; print CRLF
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push szEndLine
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push [pConOut]
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call [fnOutputStr]
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add esp, 8
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ret
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section '.data' data readable writable
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szTime du '[00:00:00] ', 0
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szEndLine du CR, LF, 0
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;; Variable: pConOut
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;; Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
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pConOut dd ?
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fnOutputReset dd ?
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fnOutputStr dd ?
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stEfiTime EFI_TIME
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fnGetTime dd ?
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