Add hex1.hex0.
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@ -42,7 +42,7 @@ DEFINE COPY_R12_to_R8 4D89E0
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DEFINE COPY_R13_to_RCX 4C89E9
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DEFINE COPY_R13_to_RCX 4C89E9
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DEFINE COPY_R13_to_R8 4D89E8
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DEFINE COPY_R13_to_R8 4D89E8
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DEFINE COPY_R14_to_RCX 4C89F1
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DEFINE COPY_R14_to_RCX 4C89F1
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DEFINE COPY_R15_to_RCX 4989CF
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DEFINE COPY_RCX_to_R15 4989CF
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DEFINE COPY_R15_to_R9 4D89F9
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DEFINE COPY_R15_to_R9 4D89F9
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DEFINE DEC_EBX FFCB
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DEFINE DEC_EBX FFCB
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DEFINE JE8 74
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DEFINE JE8 74
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@ -59,7 +59,7 @@ DEFINE LOAD64_into_R13_from_Address_RSP_Immediate8 4C8B6C24
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DEFINE LOAD64_into_R14_from_Address_RDX_Immediate8 4C8B72
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DEFINE LOAD64_into_R14_from_Address_RDX_Immediate8 4C8B72
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DEFINE LOAD64_into_R14_from_Address_R14_Immediate32 4D8BB6
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DEFINE LOAD64_into_R14_from_Address_R14_Immediate32 4D8BB6
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DEFINE LOAD8_AL_from_Address_RBX 8A03
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DEFINE LOAD8_AL_from_Address_RBX 8A03
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DEFINE LOADI64_rel_RDX 488B15
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DEFINE LOAD64_rel_RDX 488B15
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DEFINE POP_RAX 58
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DEFINE POP_RAX 58
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DEFINE POP_RBX 5B
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DEFINE POP_RBX 5B
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DEFINE POP_RSI 5E
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DEFINE POP_RSI 5E
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@ -85,16 +85,16 @@ DEFINE TEST_ESI_ESI 85F6
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# efi_main(void *image_handle, struct efi_system_table *system)
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# efi_main(void *image_handle, struct efi_system_table *system)
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:_start
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:_start
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COPY_RSP_to_RBP # save stack pointer
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COPY_RSP_to_RBP # save stack pointer
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COPY_R15_to_RCX # save image_handle
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COPY_RCX_to_R15 # save image_handle
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LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
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LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
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# Open Loaded Image protocol
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# Open Loaded Image protocol
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PUSH_RAX # allocate stack for image
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PUSH_RAX # allocate stack for image
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COPY_RSP_to_R8 # arg3 = &image
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COPY_RSP_to_R8 # arg3 = &image
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LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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PUSH_RDX # push first 64 bits onto stack
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PUSH_RDX # push first 64 bits onto stack
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COPY_RSP_to_RDX # arg2 = &guid
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COPY_RSP_to_RDX # arg2 = &guid
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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@ -131,9 +131,9 @@ DEFINE TEST_ESI_ESI 85F6
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# Get root file system
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# Get root file system
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PUSH_RAX # allocate stack for rootfs
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PUSH_RAX # allocate stack for rootfs
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COPY_RSP_to_R8 # arg3 = &rootfs
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COPY_RSP_to_R8 # arg3 = &rootfs
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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PUSH_RDX # push first 64 bits onto stack
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PUSH_RDX # push first 64 bits onto stack
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COPY_RSP_to_RDX # arg2 = &guid
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COPY_RSP_to_RDX # arg2 = &guid
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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@ -23,16 +23,16 @@
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# efi_main(void *image_handle, struct efi_system_table *system)
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# efi_main(void *image_handle, struct efi_system_table *system)
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:_start
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:_start
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4889E5 ; COPY_RSP_to_RBP # save stack pointer
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4889E5 ; COPY_RSP_to_RBP # save stack pointer
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4989CF ; COPY_R15_to_RCX # save image_handle
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4989CF ; COPY_RCX_to_R15 # save image_handle
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4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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4D8BB6 18010000 ; LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
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4D8BB6 18010000 ; LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
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# Open Loaded Image protocol
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# Open Loaded Image protocol
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50 ; PUSH_RAX # allocate stack for image
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50 ; PUSH_RAX # allocate stack for image
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4989E0 ; COPY_RSP_to_R8 # arg3 = &image
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4989E0 ; COPY_RSP_to_R8 # arg3 = &image
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488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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52 ; PUSH_RDX # push last 64 bits onto stack
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52 ; PUSH_RDX # push last 64 bits onto stack
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488B15 %LOADED_IMAGE_PROTOCOL ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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488B15 %LOADED_IMAGE_PROTOCOL ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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52 ; PUSH_RDX # push first 64 bits onto stack
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52 ; PUSH_RDX # push first 64 bits onto stack
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4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
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4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
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6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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@ -69,9 +69,9 @@
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# Get root file system
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# Get root file system
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50 ; PUSH_RAX # allocate stack for rootfs
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50 ; PUSH_RAX # allocate stack for rootfs
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4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
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4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
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488B15 %SIMPLE_FS_PROTOCOL_8 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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488B15 %SIMPLE_FS_PROTOCOL_8 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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52 ; PUSH_RDX # push last 64 bits onto stack
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52 ; PUSH_RDX # push last 64 bits onto stack
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488B15 %SIMPLE_FS_PROTOCOL ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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488B15 %SIMPLE_FS_PROTOCOL ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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52 ; PUSH_RDX # push first 64 bits onto stack
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52 ; PUSH_RDX # push first 64 bits onto stack
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4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
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4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
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6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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@ -3,14 +3,15 @@
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#
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-License-Identifier: GPL-3.0-or-later
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DEFINE ADDI32_to_RAX 4805
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DEFINE ADDI32_to_R13 4981C5
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DEFINE ADDI32_to_R13 4981C5
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DEFINE ADDI8_RBX 4883C3
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DEFINE ADDI8_RBX 4883C3
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DEFINE ADD_RCX_to_RAX 4801C8
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DEFINE ADD_R14_to_RAX 4C01F0
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DEFINE ADD_R14_to_RAX 4C01F0
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DEFINE ADDI8_RSP 4883C4
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DEFINE ADDI8_RSP 4883C4
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DEFINE CALLI32 E8
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DEFINE CALLI32 E8
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DEFINE CALL_R14 41FFD6
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DEFINE CALL_RCX_Immediate8 FF51
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DEFINE CALL_RCX_Immediate8 FF51
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DEFINE CALL_R14_Immediate8 41FF56
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DEFINE CALL_R14_Immediate32 41FF96
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DEFINE CMPI8_AL 3C
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DEFINE CMPI8_AL 3C
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DEFINE CMPI32_RAX 483D
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DEFINE CMPI32_RAX 483D
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DEFINE CMPI32_R15 4981FF
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DEFINE CMPI32_R15 4981FF
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@ -18,17 +19,17 @@ DEFINE COPY_RAX_to_R14 4989C6
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DEFINE COPY_RBX_to_R12 4989DC
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DEFINE COPY_RBX_to_R12 4989DC
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DEFINE COPY_RBX_to_R13 4989DD
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DEFINE COPY_RBX_to_R13 4989DD
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DEFINE COPY_RCX_to_RAX 4889C1
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DEFINE COPY_RCX_to_RAX 4889C1
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DEFINE COPY_RCX_to_R15 4989CF
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DEFINE COPY_RSP_to_RBP 4889E5
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DEFINE COPY_RSP_to_RBP 4889E5
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DEFINE COPY_RSP_to_RDX 4889E2
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DEFINE COPY_RSP_to_RDX 4889E2
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DEFINE COPY_RSP_to_R8 4989E0
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DEFINE COPY_RSP_to_R8 4989E0
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DEFINE COPY_RBP_to_RSP 4889EC
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DEFINE COPY_RBP_to_RSP 4889EC
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DEFINE COPY_RCX_to_R9 4989C9
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DEFINE COPY_RDI_to_RCX 4889F9
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DEFINE COPY_RDI_to_RCX 4889F9
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DEFINE COPY_R12_to_R8 4D89E0
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DEFINE COPY_R12_to_R8 4D89E0
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DEFINE COPY_RBX_to_RCX 4889D9
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DEFINE COPY_RBX_to_RCX 4889D9
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DEFINE COPY_R13_to_R8 4D89E8
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DEFINE COPY_R13_to_R8 4D89E8
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DEFINE COPY_R14_to_RCX 4C89F1
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DEFINE COPY_R14_to_RCX 4C89F1
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DEFINE COPY_R15_to_RCX 4989CF
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DEFINE COPY_R15_to_RCX 4C89F9
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DEFINE COPY_R15_to_R9 4D89F9
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DEFINE COPY_R15_to_R9 4D89F9
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DEFINE JE32 0F84
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DEFINE JE32 0F84
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DEFINE JL32 0F8C
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DEFINE JL32 0F8C
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@ -45,14 +46,18 @@ DEFINE LOAD64_into_RBX_from_Address_RSP_Immediate8 488B5C24
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DEFINE LOAD64_into_R14_from_Address_RDX_Immediate8 4C8B72
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DEFINE LOAD64_into_R14_from_Address_RDX_Immediate8 4C8B72
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DEFINE LOAD64_into_R14_from_Address_R14_Immediate32 4D8BB6
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DEFINE LOAD64_into_R14_from_Address_R14_Immediate32 4D8BB6
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DEFINE LOAD8_AL_from_Address_RBX 8A03
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DEFINE LOAD8_AL_from_Address_RBX 8A03
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DEFINE LOADI8_DH B6
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DEFINE LOADI32_RAX 48C7C0
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DEFINE LOADI32_RAX 48C7C0
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DEFINE LOADI32_RDX 48C7C2
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DEFINE LOADI32_RDX 48C7C2
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DEFINE LOADI32_R13 49C7C5
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DEFINE LOADI32_R13 49C7C5
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DEFINE LOADI32_R14 49C7C6
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DEFINE LOADI32_R14 49C7C6
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DEFINE LOADI32_R15 49C7C7
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DEFINE LOADI32_R15 49C7C7
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DEFINE LOADI64_rel_RDX 488B15
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DEFINE LOAD64_rel_RCX 488B0D
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DEFINE LOAD64_rel_RDX 488B15
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DEFINE LOAD64_rel_R14 4C8B35
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DEFINE NOT_R15 49F7D7
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DEFINE NOT_R15 49F7D7
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DEFINE POP_RAX 58
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DEFINE POP_RAX 58
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DEFINE POP_RCX 59
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DEFINE POP_RSI 5E
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DEFINE POP_RSI 5E
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DEFINE POP_R9 4159
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DEFINE POP_R9 4159
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DEFINE POP_R14 415E
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DEFINE POP_R14 415E
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@ -66,6 +71,8 @@ DEFINE ROR_R9 49D1C9
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DEFINE SHL8_R14 49C1E6
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DEFINE SHL8_R14 49C1E6
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DEFINE SHL8_RAX 48C1E0
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DEFINE SHL8_RAX 48C1E0
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DEFINE STORE32_R13_to_Address_in_RAX 4C8928
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DEFINE STORE32_R13_to_Address_in_RAX 4C8928
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DEFINE STORE64_rel_R14 4C8935
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DEFINE STORE64_rel_RAX 488905
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DEFINE STOREI8_into_Address_RBX C603
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DEFINE STOREI8_into_Address_RBX C603
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DEFINE SUBI8_RSP 4883EC
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DEFINE SUBI8_RSP 4883EC
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DEFINE SUBI8_from_RAX 4883E8
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DEFINE SUBI8_from_RAX 4883E8
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@ -76,24 +83,37 @@ DEFINE TEST_ESI_ESI 85F6
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# efi_main(void *image_handle, struct efi_system_table *system)
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# efi_main(void *image_handle, struct efi_system_table *system)
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:_start
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:_start
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COPY_RSP_to_RBP # save stack pointer
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COPY_RSP_to_RBP # save stack pointer
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COPY_R15_to_RCX # save image_handle
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COPY_RCX_to_R15 # save image_handle
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LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
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STORE64_rel_R14 %SystemBoot # save system->boot
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# Allocate pool for single-character label table
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PUSH_RDX # allocate stack for table
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COPY_RSP_to_R8 # arg3 = &table
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XOR_EDX_EDX # zero rdx
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LOADI8_DH !0x8 # arg2 = 256 * 8 = 2048 = 0x800
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PUSH !2
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POP_RCX # arg1 = EFI_LOADER_DATA
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SUBI8_RSP !24 # allocate shadow stack space for UEFI
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CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &table)
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ADDI8_RSP !24 # deallocate stack
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POP_RAX # get table
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STORE64_rel_RAX %table # save table
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# Open Loaded Image protocol
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# Open Loaded Image protocol
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PUSH_RAX # allocate stack for image
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PUSH_RAX # allocate stack for image
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COPY_RSP_to_R8 # arg3 = &image
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COPY_RSP_to_R8 # arg3 = &image
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LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
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PUSH_RDX # push first 64 bits onto stack
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PUSH_RDX # push first 64 bits onto stack
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COPY_RSP_to_RDX # arg2 = &guid
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COPY_RSP_to_RDX # arg2 = &guid
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !0 # arg5 = NULL
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PUSH !0 # arg5 = NULL
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COPY_RCX_to_R9 # arg4 = image_handle
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COPY_R15_to_R9 # arg4 = image_handle
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# arg1 = ImageHandle (already set)
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COPY_R15_to_RCX # arg1 = image_handle
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_R14 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
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CALL_R14_Immediate32 %280 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
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LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
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LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
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COPY_RCX_to_RAX # save image
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COPY_RCX_to_RAX # save image
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@ -122,9 +142,9 @@ DEFINE TEST_ESI_ESI 85F6
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# Get root file system
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# Get root file system
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PUSH_RAX # allocate stack for rootfs
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PUSH_RAX # allocate stack for rootfs
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COPY_RSP_to_R8 # arg3 = &rootfs
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COPY_RSP_to_R8 # arg3 = &rootfs
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
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PUSH_RDX # push first 64 bits onto stack
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PUSH_RDX # push first 64 bits onto stack
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COPY_RSP_to_RDX # arg2 = &guid
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COPY_RSP_to_RDX # arg2 = &guid
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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@ -132,7 +152,7 @@ DEFINE TEST_ESI_ESI 85F6
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COPY_R15_to_R9 # arg4 = image_handle
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COPY_R15_to_R9 # arg4 = image_handle
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LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
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LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
|
||||||
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
CALL_R14 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
CALL_R14_Immediate32 %280 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||||
LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
|
LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
|
||||||
|
|
||||||
# Get root directory
|
# Get root directory
|
||||||
|
@ -347,9 +367,8 @@ DEFINE TEST_ESI_ESI 85F6
|
||||||
ADD_R14_to_RAX
|
ADD_R14_to_RAX
|
||||||
|
|
||||||
# flip the toggle
|
# flip the toggle
|
||||||
NOT_R15
|
NOT_R15 # R15 = -1
|
||||||
|
|
||||||
# Print our first Hex
|
|
||||||
LOADI32_RDX %1 # set the size of chars we want
|
LOADI32_RDX %1 # set the size of chars we want
|
||||||
CALLI32 %print_chars
|
CALLI32 %print_chars
|
||||||
|
|
||||||
|
@ -399,7 +418,8 @@ DEFINE TEST_ESI_ESI 85F6
|
||||||
:Get_table_target
|
:Get_table_target
|
||||||
CALLI32 %Read_byte # Get single char label
|
CALLI32 %Read_byte # Get single char label
|
||||||
SHL8_RAX !3 # Each label in table takes 8 bytes to store
|
SHL8_RAX !3 # Each label in table takes 8 bytes to store
|
||||||
ADDI32_to_RAX &table # Calculate offset
|
LOAD64_rel_RCX %table # Get table
|
||||||
|
ADD_RCX_to_RAX # Calculate offset
|
||||||
RET
|
RET
|
||||||
|
|
||||||
:StoreLabel
|
:StoreLabel
|
||||||
|
@ -417,7 +437,12 @@ DEFINE TEST_ESI_ESI 85F6
|
||||||
RET
|
RET
|
||||||
|
|
||||||
:Done
|
:Done
|
||||||
PUSH_RBX # allocate stack
|
# Free pool
|
||||||
|
LOAD64_rel_RCX %table # arg1 = table
|
||||||
|
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
LOAD64_rel_R14 %SystemBoot # get system->boot
|
||||||
|
CALL_R14_Immediate8 !72 # system->boot->free_pool(table)
|
||||||
|
|
||||||
COPY_RDI_to_RCX # arg1 = fin
|
COPY_RDI_to_RCX # arg1 = fin
|
||||||
CALL_RCX_Immediate8 !16 # fin->close()
|
CALL_RCX_Immediate8 !16 # fin->close()
|
||||||
COPY_RBX_to_RCX # arg1 = fout
|
COPY_RBX_to_RCX # arg1 = fout
|
||||||
|
@ -445,4 +470,7 @@ DEFINE TEST_ESI_ESI 85F6
|
||||||
:table
|
:table
|
||||||
%0 %0
|
%0 %0
|
||||||
|
|
||||||
|
:SystemBoot
|
||||||
|
%0 %0
|
||||||
|
|
||||||
:PE32_end
|
:PE32_end
|
||||||
|
|
|
@ -11,7 +11,7 @@ _start:
|
||||||
mov rbp, rsp # save stack pointer
|
mov rbp, rsp # save stack pointer
|
||||||
mov r15, rcx # save image_handle
|
mov r15, rcx # save image_handle
|
||||||
mov r14, [rdx+96] # system->boot
|
mov r14, [rdx+96] # system->boot
|
||||||
mov [SystemBoot], r14 # save system->boot
|
mov [rip+SystemBoot], r14 # save system->boot
|
||||||
|
|
||||||
# Allocate pool for single-character label table
|
# Allocate pool for single-character label table
|
||||||
push rdx # allocate stack for table
|
push rdx # allocate stack for table
|
||||||
|
@ -24,7 +24,7 @@ _start:
|
||||||
call [r14+64] # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &table)
|
call [r14+64] # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &table)
|
||||||
add rsp, 24 # deallocate stack
|
add rsp, 24 # deallocate stack
|
||||||
pop rax # get table
|
pop rax # get table
|
||||||
mov [table], rax # save table
|
mov [rip+table], rax # save table
|
||||||
|
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
push rax # allocate stack for image
|
push rax # allocate stack for image
|
||||||
|
@ -345,7 +345,7 @@ print_chars:
|
||||||
Get_table_target:
|
Get_table_target:
|
||||||
call Read_byte # Get single char label
|
call Read_byte # Get single char label
|
||||||
shl rax, 3 # Each label in table takes 8 bytes to store
|
shl rax, 3 # Each label in table takes 8 bytes to store
|
||||||
mov rcx, [rip+table]
|
mov rcx, [rip+table] # Get table
|
||||||
add rax, rcx # Calculate offset
|
add rax, rcx # Calculate offset
|
||||||
ret
|
ret
|
||||||
|
|
||||||
|
@ -365,12 +365,11 @@ StorePointer:
|
||||||
|
|
||||||
Done:
|
Done:
|
||||||
# Free pool
|
# Free pool
|
||||||
mov rcx, [table] # arg1 = table
|
mov rcx, [rip+table] # arg1 = table
|
||||||
push rax # allocate shadow stack space for UEFI function
|
push rax # allocate shadow stack space for UEFI function
|
||||||
mov r14, [SystemBoot] # get system->boot
|
mov r14, [rip+SystemBoot] # get system->boot
|
||||||
call [r14+72] # system->boot->free_pool(commmand)
|
call [r14+72] # system->boot->free_pool(table)
|
||||||
|
|
||||||
push rbx # allocate stack
|
|
||||||
mov rcx, rdi # arg1 = fin
|
mov rcx, rdi # arg1 = fin
|
||||||
call [rcx+16] # fin->close()
|
call [rcx+16] # fin->close()
|
||||||
mov rcx, rbx # arg1 = fout
|
mov rcx, rbx # arg1 = fout
|
||||||
|
|
|
@ -7,24 +7,37 @@
|
||||||
# efi_main(void *image_handle, struct efi_system_table *system)
|
# efi_main(void *image_handle, struct efi_system_table *system)
|
||||||
:_start
|
:_start
|
||||||
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
||||||
4989CF ; COPY_R15_to_RCX # save image_handle
|
4989CF ; COPY_RCX_to_R15 # save image_handle
|
||||||
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
||||||
4D8BB6 18010000 ; LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
|
4C8935 %SystemBoot ; STORE64_rel_R14 %SystemBoot # save system->boot
|
||||||
|
|
||||||
|
# Allocate pool for single-character label table
|
||||||
|
52 ; PUSH_RDX # allocate stack for table
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &table
|
||||||
|
31D2 ; XOR_EDX_EDX # zero rdx
|
||||||
|
B6 08 ; LOADI8_DH !0x8 # arg2 = 256 * 8 = 2048 = 0x800
|
||||||
|
6A 02 ; PUSH !2
|
||||||
|
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||||
|
4883EC 18 ; SUBI8_RSP !24 # allocate shadow stack space for UEFI
|
||||||
|
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &table)
|
||||||
|
4883C4 18 ; ADDI8_RSP !24 # deallocate stack
|
||||||
|
58 ; POP_RAX # get table
|
||||||
|
488905 %table ; STORE64_rel_RAX %table # save table
|
||||||
|
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
50 ; PUSH_RAX # allocate stack for image
|
50 ; PUSH_RAX # allocate stack for image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
6A 00 ; PUSH !0 # arg5 = NULL
|
6A 00 ; PUSH !0 # arg5 = NULL
|
||||||
4989C9 ; COPY_RCX_to_R9 # arg4 = image_handle
|
4D89F9 ; COPY_R15_to_R9 # arg4 = image_handle
|
||||||
# arg1 = ImageHandle (already set)
|
4C89F9 ; COPY_R15_to_RCX # arg1 = image_handle
|
||||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
41FFD6 ; CALL_R14 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
41FF96 18010000 ; CALL_R14_Immediate32 %280 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||||
488B4424 40 ; LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
|
488B4424 40 ; LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
|
||||||
4889C1 ; COPY_RCX_to_RAX # save image
|
4889C1 ; COPY_RCX_to_RAX # save image
|
||||||
|
|
||||||
|
@ -53,9 +66,9 @@
|
||||||
# Get root file system
|
# Get root file system
|
||||||
50 ; PUSH_RAX # allocate stack for rootfs
|
50 ; PUSH_RAX # allocate stack for rootfs
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
||||||
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %SIMPLE_FS_PROTOCOL ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
488B15 %SIMPLE_FS_PROTOCOL ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -63,7 +76,7 @@
|
||||||
4D89F9 ; COPY_R15_to_R9 # arg4 = image_handle
|
4D89F9 ; COPY_R15_to_R9 # arg4 = image_handle
|
||||||
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
|
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
|
||||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
41FFD6 ; CALL_R14 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
41FF96 18010000 ; CALL_R14_Immediate32 %280 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||||
488B4C24 40 ; LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
|
488B4C24 40 ; LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
|
||||||
|
|
||||||
# Get root directory
|
# Get root directory
|
||||||
|
@ -278,9 +291,8 @@
|
||||||
4C01F0 ; ADD_R14_to_RAX
|
4C01F0 ; ADD_R14_to_RAX
|
||||||
|
|
||||||
# flip the toggle
|
# flip the toggle
|
||||||
49F7D7 ; NOT_R15
|
49F7D7 ; NOT_R15 # R15 = -1
|
||||||
|
|
||||||
# Print our first Hex
|
|
||||||
48C7C2 01000000 ; LOADI32_RDX %1 # set the size of chars we want
|
48C7C2 01000000 ; LOADI32_RDX %1 # set the size of chars we want
|
||||||
E8 %print_chars ; CALLI32 %print_chars
|
E8 %print_chars ; CALLI32 %print_chars
|
||||||
|
|
||||||
|
@ -330,7 +342,8 @@
|
||||||
:Get_table_target
|
:Get_table_target
|
||||||
E8 %Read_byte ; CALLI32 %Read_byte # Get single char label
|
E8 %Read_byte ; CALLI32 %Read_byte # Get single char label
|
||||||
48C1E0 03 ; SHL8_RAX !3 # Each label in table takes 8 bytes to store
|
48C1E0 03 ; SHL8_RAX !3 # Each label in table takes 8 bytes to store
|
||||||
4805 &table ; ADDI32_to_RAX &table # Calculate offset
|
488B0D %table ; LOAD64_rel_RCX %table # Get table
|
||||||
|
4801C8 ; ADD_RCX_to_RAX # Calculate offset
|
||||||
C3 ; RET
|
C3 ; RET
|
||||||
|
|
||||||
:StoreLabel
|
:StoreLabel
|
||||||
|
@ -348,7 +361,12 @@
|
||||||
C3 ; RET
|
C3 ; RET
|
||||||
|
|
||||||
:Done
|
:Done
|
||||||
53 ; PUSH_RBX # allocate stack
|
# Free pool
|
||||||
|
488B0D %table ; LOAD64_rel_RCX %table # arg1 = table
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
4C8B35 %SystemBoot ; LOAD64_rel_R14 %SystemBoot # get system->boot
|
||||||
|
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(table)
|
||||||
|
|
||||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fin
|
4889F9 ; COPY_RDI_to_RCX # arg1 = fin
|
||||||
FF51 10 ; CALL_RCX_Immediate8 !16 # fin->close()
|
FF51 10 ; CALL_RCX_Immediate8 !16 # fin->close()
|
||||||
4889D9 ; COPY_RBX_to_RCX # arg1 = fout
|
4889D9 ; COPY_RBX_to_RCX # arg1 = fout
|
||||||
|
@ -376,4 +394,7 @@
|
||||||
:table
|
:table
|
||||||
00000000 00000000
|
00000000 00000000
|
||||||
|
|
||||||
|
:SystemBoot
|
||||||
|
00000000 00000000
|
||||||
|
|
||||||
:PE32_end
|
:PE32_end
|
||||||
|
|
|
@ -56,8 +56,8 @@ DEFINE LOAD64_into_RDX_rel32 488B15
|
||||||
DEFINE LOAD64_into_R9_rel32 4C8B0D
|
DEFINE LOAD64_into_R9_rel32 4C8B0D
|
||||||
DEFINE LOAD8_AL_from_Address_RBX 8A03
|
DEFINE LOAD8_AL_from_Address_RBX 8A03
|
||||||
DEFINE LOADI8_DH B6
|
DEFINE LOADI8_DH B6
|
||||||
DEFINE LOADI64_rel_RCX 488B0D
|
DEFINE LOAD64_rel_RCX 488B0D
|
||||||
DEFINE LOADI64_rel_RDX 488B15
|
DEFINE LOAD64_rel_RDX 488B15
|
||||||
DEFINE POP_RAX 58
|
DEFINE POP_RAX 58
|
||||||
DEFINE POP_RBX 5B
|
DEFINE POP_RBX 5B
|
||||||
DEFINE POP_RCX 59
|
DEFINE POP_RCX 59
|
||||||
|
@ -125,9 +125,9 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
PUSH_RAX # allocate stack for image
|
PUSH_RAX # allocate stack for image
|
||||||
COPY_RSP_to_R8 # arg3 = &image
|
COPY_RSP_to_R8 # arg3 = &image
|
||||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
PUSH_RDX # push last 64 bits onto stack
|
PUSH_RDX # push last 64 bits onto stack
|
||||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
PUSH_RDX # push first 64 bits onto stack
|
PUSH_RDX # push first 64 bits onto stack
|
||||||
COPY_RSP_to_RDX # arg2 = &guid
|
COPY_RSP_to_RDX # arg2 = &guid
|
||||||
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -164,9 +164,9 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
# Get root file system
|
# Get root file system
|
||||||
PUSH_RAX # allocate stack for rootfs
|
PUSH_RAX # allocate stack for rootfs
|
||||||
COPY_RSP_to_R8 # arg3 = &rootfs
|
COPY_RSP_to_R8 # arg3 = &rootfs
|
||||||
LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # SIMPLE_FS_PROTOCOL (last 64 bits)
|
LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # SIMPLE_FS_PROTOCOL (last 64 bits)
|
||||||
PUSH_RDX # push last 64 bits onto stack
|
PUSH_RDX # push last 64 bits onto stack
|
||||||
LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # SIMPLE_FS_PROTOCOL (first 64 bits)
|
LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # SIMPLE_FS_PROTOCOL (first 64 bits)
|
||||||
PUSH_RDX # push first 64 bits onto stack
|
PUSH_RDX # push first 64 bits onto stack
|
||||||
COPY_RSP_to_RDX # arg2 = &guid
|
COPY_RSP_to_RDX # arg2 = &guid
|
||||||
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -308,9 +308,9 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
PUSH_RAX # allocate stack for file_size
|
PUSH_RAX # allocate stack for file_size
|
||||||
COPY_RSP_to_R8 # arg3 = &file_size
|
COPY_RSP_to_R8 # arg3 = &file_size
|
||||||
STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
||||||
LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
||||||
PUSH_RDX # push last 64 bits onto stack
|
PUSH_RDX # push last 64 bits onto stack
|
||||||
LOADI64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
LOAD64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
||||||
PUSH_RDX # push first 64 bits onto stack
|
PUSH_RDX # push first 64 bits onto stack
|
||||||
COPY_RSP_to_RDX # arg2 = &guid
|
COPY_RSP_to_RDX # arg2 = &guid
|
||||||
COPY_RDI_to_RCX # arg1 = fcmd
|
COPY_RDI_to_RCX # arg1 = fcmd
|
||||||
|
@ -431,9 +431,9 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
# Open Child Image
|
# Open Child Image
|
||||||
PUSH_RAX # allocate stack for child_image
|
PUSH_RAX # allocate stack for child_image
|
||||||
COPY_RSP_to_R8 # arg3 = &child_image
|
COPY_RSP_to_R8 # arg3 = &child_image
|
||||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
PUSH_RDX # push last 64 bits onto stack
|
PUSH_RDX # push last 64 bits onto stack
|
||||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
PUSH_RDX # push first 64 bits onto stack
|
PUSH_RDX # push first 64 bits onto stack
|
||||||
COPY_RSP_to_RDX # arg2 = &guid
|
COPY_RSP_to_RDX # arg2 = &guid
|
||||||
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -447,7 +447,7 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
|
|
||||||
STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
||||||
STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
||||||
LOADI64_rel_RCX %image # get image
|
LOAD64_rel_RCX %image # get image
|
||||||
LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
||||||
STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
||||||
|
|
||||||
|
@ -494,7 +494,7 @@ DEFINE XOR_R15_R15 4D31FF
|
||||||
# File_Print function
|
# File_Print function
|
||||||
# Receives WCHAR* in RDX
|
# Receives WCHAR* in RDX
|
||||||
:File_Print
|
:File_Print
|
||||||
LOADI64_rel_RCX %system_out # get system_out
|
LOAD64_rel_RCX %system_out # get system_out
|
||||||
PUSH_RAX # allocate shadow stack space for UEFI function
|
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
PUSH_RAX # allocate shadow stack space for UEFI function
|
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
||||||
|
|
|
@ -21,9 +21,9 @@
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
50 ; PUSH_RAX # allocate stack for image
|
50 ; PUSH_RAX # allocate stack for image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto
|
52 ; PUSH_RDX # push first 64 bits onto
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -60,9 +60,9 @@
|
||||||
# Get root file system
|
# Get root file system
|
||||||
50 ; PUSH_RAX # allocate stack for rootfs
|
50 ; PUSH_RAX # allocate stack for rootfs
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
||||||
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %SIMPLE_FS_PROTOCOL ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
488B15 %SIMPLE_FS_PROTOCOL ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -204,9 +204,9 @@
|
||||||
50 ; PUSH_RAX # allocate stack for file_size
|
50 ; PUSH_RAX # allocate stack for file_size
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_size
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_size
|
||||||
49C700 00100000 ; STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
49C700 00100000 ; STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
||||||
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
488B15 %SIMPLE_FS_PROTOCOL_8 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %FILE_INFO_PROTOCOL ; LOADI64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
488B15 %FILE_INFO_PROTOCOL ; LOAD64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
||||||
|
@ -327,9 +327,9 @@
|
||||||
# Open Child Image
|
# Open Child Image
|
||||||
50 ; PUSH_RAX # allocate stack for child_image
|
50 ; PUSH_RAX # allocate stack for child_image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &child_image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &child_image
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL_8 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 %LOADED_IMAGE_PROTOCOL ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 %LOADED_IMAGE_PROTOCOL ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto
|
52 ; PUSH_RDX # push first 64 bits onto
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -343,7 +343,7 @@
|
||||||
|
|
||||||
488958 38 ; STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
488958 38 ; STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
||||||
488970 30 ; STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
488970 30 ; STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
||||||
488B0D %image ; LOADI64_rel_RCX %image # get image
|
488B0D %image ; LOAD64_rel_RCX %image # get image
|
||||||
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
||||||
488948 18 ; STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
488948 18 ; STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
||||||
|
|
||||||
|
@ -388,7 +388,7 @@
|
||||||
C3 ; RET
|
C3 ; RET
|
||||||
|
|
||||||
:File_Print
|
:File_Print
|
||||||
488B0D %system_out ; LOADI64_rel_RCX %system_out # get system_out
|
488B0D %system_out ; LOAD64_rel_RCX %system_out # get system_out
|
||||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
FF51 08 ; CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
FF51 08 ; CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
||||||
|
|
|
@ -151,17 +151,17 @@ A3 01 00 00 ; SizeOfRawData
|
||||||
# efi_main(void *image_handle, struct efi_system_table *system)
|
# efi_main(void *image_handle, struct efi_system_table *system)
|
||||||
# :_start
|
# :_start
|
||||||
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
||||||
4989CF ; COPY_R15_to_RCX # save image_handle
|
4989CF ; COPY_RCX_to_R15 # save image_handle
|
||||||
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
||||||
4D8BB6 18010000 ; LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
|
4D8BB6 18010000 ; LOAD64_into_R14_from_Address_R14_Immediate32 %280 # system->boot->open_protocol
|
||||||
|
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
50 ; PUSH_RAX # allocate stack for image
|
50 ; PUSH_RAX # allocate stack for image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
||||||
488B15 6F010000 ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 6F010000 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
# [_start+0x1C]
|
# [_start+0x1C]
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 5F010000 ; LOADI64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 5F010000 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
# [_start+0x24]
|
# [_start+0x24]
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
|
@ -199,9 +199,9 @@ A3 01 00 00 ; SizeOfRawData
|
||||||
# Get root file system [_start+0x67]
|
# Get root file system [_start+0x67]
|
||||||
50 ; PUSH_RAX # allocate stack for rootfs
|
50 ; PUSH_RAX # allocate stack for rootfs
|
||||||
4989E0 ; COPY_R8_to_RSP # arg3 = &rootfs
|
4989E0 ; COPY_R8_to_RSP # arg3 = &rootfs
|
||||||
488B15 29010000 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
488B15 29010000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 19010000 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
488B15 19010000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -254,7 +254,7 @@ A3 01 00 00 ; SizeOfRawData
|
||||||
# temp storage for the sum
|
# temp storage for the sum
|
||||||
31FF ; XOR_EDI_EDI # rdi = 0
|
31FF ; XOR_EDI_EDI # rdi = 0
|
||||||
|
|
||||||
# :loop # [_start+0xE2]
|
# :loop [_start+0xE2]
|
||||||
# Read a byte
|
# Read a byte
|
||||||
E8 6F000000 ; CALLI32 %read_byte
|
E8 6F000000 ; CALLI32 %read_byte
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,529 @@
|
||||||
|
# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
|
||||||
|
# SPDX-FileCopyrightText: 2017 Jeremiah Orians <jeremiah@pdp10.guru>
|
||||||
|
#
|
||||||
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||||
|
|
||||||
|
# DOS MZ header
|
||||||
|
4D 5A # Signature
|
||||||
|
00 00 # Number of bytes in the last page.
|
||||||
|
00 00 # Number of whole/partial pages
|
||||||
|
00 00 # Number of entries in the relocation table.
|
||||||
|
00 00 # Header size
|
||||||
|
00 00 # Minimum allocation
|
||||||
|
00 00 # Maximum allocation
|
||||||
|
00 00 # Relocatable segment address for SS
|
||||||
|
00 00 # Initial value for SP
|
||||||
|
00 00 # Checksum (I don't think is looked at)
|
||||||
|
00 00 # Initial value for IP (Seems ignored)
|
||||||
|
00 00 # Relocatable segment address for CS (Seems ignored)
|
||||||
|
00 00 # The (absolute) offset to the relocation table.
|
||||||
|
00 00 # Value used for overlay management. If zero, this is the main executable
|
||||||
|
00 00 00 00 00 00 00 00 # Reserved in PE
|
||||||
|
00 00 # OEM identifier
|
||||||
|
00 00 # OEM info
|
||||||
|
00 00 00 00 00 00 00 00 00 00 # The required reserved 20 bytes of NULLS
|
||||||
|
00 00 00 00 00 00 00 00 00 00
|
||||||
|
40 00 00 00 # Starting address of the PE header
|
||||||
|
|
||||||
|
# [0x40]
|
||||||
|
# PE header
|
||||||
|
50 45 00 00 # Signature "PE"
|
||||||
|
64 86 # Machine
|
||||||
|
01 00 # number of sections
|
||||||
|
00 00 00 00 # Timestamp supposedly
|
||||||
|
00 00 00 00 # PointerToSymbolTable
|
||||||
|
00 00 00 00 # number of symbols
|
||||||
|
F0 00 # SizeOfOptionalHeader
|
||||||
|
00 00 # 'Characteristics'
|
||||||
|
|
||||||
|
# [0x58]
|
||||||
|
# COFF header bits
|
||||||
|
0B 02 # Magic PE32+ (64 bit)
|
||||||
|
00 00 # Linker version
|
||||||
|
00 00 00 00 # size of code
|
||||||
|
00 00 00 00 # sizeOfInitializedData
|
||||||
|
00 00 00 00 # SizeOfUninitializedData
|
||||||
|
00 10 00 00 # AddressOfEntryPoint
|
||||||
|
00 10 00 00 # BaseOfCode
|
||||||
|
00 00 00 80 01 00 00 00 # ImageBase
|
||||||
|
01 00 00 00 # SectionAlignment
|
||||||
|
01 00 00 00 # FileAlignment
|
||||||
|
00 00 00 00 # OperatingSystemVersion
|
||||||
|
00 00 00 00 # ImageVersion
|
||||||
|
00 00 00 00 # SubsystemVersion
|
||||||
|
00 00 00 00 # Win32VersionValue
|
||||||
|
00 20 00 00 # SizeOfImage
|
||||||
|
70 01 00 00 # SizeOfHeaders
|
||||||
|
00 00 00 00 # CheckSum (isn't used at all)
|
||||||
|
0A 00 # Subsystem
|
||||||
|
00 00 # DllCharacteristics
|
||||||
|
00 00 00 00 # SizeOfStackReserve
|
||||||
|
00 00 00 00 # SizeOfStackCommit
|
||||||
|
00 00 00 00 # SizeOfHeapReserve
|
||||||
|
00 00 00 00 # SizeOfHeapCommit
|
||||||
|
00 00 00 00 # LoaderFlags
|
||||||
|
00 00 00 00 # NumberOfRvaAndSizes
|
||||||
|
|
||||||
|
# [0xB8]
|
||||||
|
# Data directories (has to be 16 entries always 16bytes per entry)
|
||||||
|
00 00 00 00 # Export Table
|
||||||
|
00 00 00 00 # Size of Export Table
|
||||||
|
|
||||||
|
00 00 00 00 # Import Table
|
||||||
|
10 00 00 00 # Size of Import Table
|
||||||
|
|
||||||
|
00 00 00 00 # Resource Table
|
||||||
|
00 00 00 00 # Size of Resource Table
|
||||||
|
|
||||||
|
00 00 00 00 # Exception Table
|
||||||
|
00 00 00 00 # Size of Exception Table
|
||||||
|
|
||||||
|
00 00 00 00 # Certificate Table
|
||||||
|
00 00 00 00 # Size of Certificate Table
|
||||||
|
|
||||||
|
00 00 00 00 # Base Relocation Table
|
||||||
|
00 00 00 00 # Size of Base Relocation Table
|
||||||
|
|
||||||
|
00 00 00 00 # Debug Table
|
||||||
|
00 00 00 00 # Size of Debug Table
|
||||||
|
|
||||||
|
00 00 00 00 # Architecture Data Table
|
||||||
|
00 00 00 00 # Size of Architecture Data Table
|
||||||
|
|
||||||
|
00 00 00 00 # Global Pointer
|
||||||
|
00 00 00 00 # NULL
|
||||||
|
|
||||||
|
00 00 00 00 # TLS Table
|
||||||
|
00 00 00 00 # Size of TLS Table
|
||||||
|
|
||||||
|
00 00 00 00 # Load Config Table
|
||||||
|
00 00 00 00 # Size of Load Config Table
|
||||||
|
|
||||||
|
00 00 00 00 # Bound Import Table
|
||||||
|
00 00 00 00 # Size of Bound Import Table
|
||||||
|
|
||||||
|
00 00 00 00 # Import Address Table
|
||||||
|
00 00 00 00 # Size of Import Address Table
|
||||||
|
|
||||||
|
00 00 00 00 # Delay Import Descriptor Table
|
||||||
|
00 00 00 00 # Size of Delay Import Descriptor Table
|
||||||
|
|
||||||
|
00 00 00 00 # CLR Runtime header table
|
||||||
|
00 00 00 00 # Size of CLR Runtime Header table
|
||||||
|
|
||||||
|
00 00 00 00 00 00 00 00 # MUST BE NULL
|
||||||
|
|
||||||
|
# no idea what it is yet
|
||||||
|
00 00 00 00 00 00 00 00
|
||||||
|
00 00 00 00 00 00 00 00
|
||||||
|
|
||||||
|
# [0x148]
|
||||||
|
# Start of section headers
|
||||||
|
00 00 00 00 00 00 00 00 ; Name of the section (empty) but could set to ".text"
|
||||||
|
D4 03 00 00 ; VirtualSize
|
||||||
|
00 10 00 00 ; VirtualAddress
|
||||||
|
D4 03 00 00 ; SizeOfRawData
|
||||||
|
70 01 00 00 ; PointerToRawData
|
||||||
|
00 00 00 00 ; PointerToRelocations
|
||||||
|
00 00 00 00 ; PointerToLinenumbers
|
||||||
|
00 00 ; NumberOfRelocations
|
||||||
|
00 00 ; NumberOfLinenumbers
|
||||||
|
00 00 00 00 ; 'Characteristics'
|
||||||
|
|
||||||
|
# [0x170]
|
||||||
|
|
||||||
|
# efi_main(void *image_handle, struct efi_system_table *system)
|
||||||
|
# :_start
|
||||||
|
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
||||||
|
4989CF ; COPY_RCX_to_R15 # save image_handle
|
||||||
|
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
||||||
|
4C8935 BB030000 ; STORE64_rel_R14 %SystemBoot # save system->boot
|
||||||
|
|
||||||
|
# Allocate pool for single-character label table
|
||||||
|
52 ; PUSH_RDX # allocate stack for table
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &table
|
||||||
|
31D2 ; XOR_EDX_EDX # zero rdx
|
||||||
|
B6 08 ; LOADI8_DH !0x8 # arg2 = 256 * 8 = 2048 = 0x800
|
||||||
|
6A 02 ; PUSH !2
|
||||||
|
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||||
|
4883EC 18 ; SUBI8_RSP !24 # allocate shadow stack space for UEFI
|
||||||
|
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 2048, &table)
|
||||||
|
4883C4 18 ; ADDI8_RSP !24 # deallocate stack
|
||||||
|
58 ; POP_RAX # get table
|
||||||
|
488905 94030000 ; STORE64_rel_RAX %table # save table
|
||||||
|
|
||||||
|
# Open Loaded Image protocol
|
||||||
|
50 ; PUSH_RAX # allocate stack for image
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
||||||
|
488B15 71030000 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
|
488B15 61030000 ; LOAD64_rel_RDX !LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
6A 00 ; PUSH !0 # arg5 = NULL
|
||||||
|
4D89F9 ; COPY_R15_to_R9 # arg4 = image_handle
|
||||||
|
4C89F9 ; COPY_R15_to_RCX # arg1 = image_handle
|
||||||
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
|
41FF96 18010000 ; CALL_R14_Immediate32 %280 # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||||
|
488B4424 40 ; LOAD64_into_RAX_from_Address_RSP_Immediate8 !64 # get_image
|
||||||
|
4889C1 ; COPY_RCX_to_RAX # save image
|
||||||
|
|
||||||
|
# Command line args
|
||||||
|
488B58 38 ; LOAD64_into_RBX_from_Address_RAX_Immediate8 !56 # options = image->load_options
|
||||||
|
|
||||||
|
# :loop_options1 [_start+0x68] # Skip application name
|
||||||
|
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||||
|
8A03 ; LOAD8_AL_from_Address_RBX # *options
|
||||||
|
3C 20 ; CMPI8_AL !0x20 # if *options != ' '
|
||||||
|
75 F6 ; JNE8 !loop_options1 # then jump
|
||||||
|
|
||||||
|
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||||
|
4989DC ; COPY_RBX_to_R12 # save input file
|
||||||
|
|
||||||
|
# :loop_options2 [_start+0x79] # Skip argv[1]
|
||||||
|
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||||
|
8A03 ; LOAD8_AL_from_Address_RBX # *options
|
||||||
|
3C 20 ; CMPI8_AL !0x20 # if *options != ' '
|
||||||
|
75 F6 ; JNE8 !loop_options2 # then jump
|
||||||
|
|
||||||
|
C603 00 ; STOREI8_into_Address_RBX !0 # *options = 0;
|
||||||
|
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||||
|
4989DD ; COPY_RBX_to_R13 # save output file
|
||||||
|
|
||||||
|
# Get root file system
|
||||||
|
50 ; PUSH_RAX # allocate stack for rootfs
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
||||||
|
488B15 24030000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
||||||
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
|
488B15 14030000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
||||||
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
6A 00 ; PUSH !0 # arg5 = NULL
|
||||||
|
4D89F9 ; COPY_R15_to_R9 # arg4 = image_handle
|
||||||
|
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
|
||||||
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
|
41FF96 18010000 ; CALL_R14_Immediate32 %280 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||||
|
488B4C24 40 ; LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
|
||||||
|
|
||||||
|
# Get root directory
|
||||||
|
52 ; PUSH_RDX # allocate stack for rootdir
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &rootdir
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
FF51 08 ; CALL_RCX_Immediate8 !8 # rootfs->open_volume(rootfs, &rootdir)
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
415E ; POP_R14 # save &rootdir
|
||||||
|
|
||||||
|
# Open file for reading
|
||||||
|
52 ; PUSH_RDX # allocate stack for fin
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &fin
|
||||||
|
6A 01 ; PUSH !1 # arg5 = EFI_FILE_READ_ONLY
|
||||||
|
6A 01 ; PUSH !1 # prepare to set arg4 to EFI_FILE_MODE_READ
|
||||||
|
4159 ; POP_R9 # arg4 = EFI_FILE_MODE_READ
|
||||||
|
4D89E0 ; COPY_R12_to_R8 # arg3 = in
|
||||||
|
4C89F1 ; COPY_R14_to_RCX # arg1 = rootdir
|
||||||
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
|
FF51 08 ; CALL_RCX_Immediate8 !8 # rootdir->open()
|
||||||
|
488B7C24 28 ; LOAD64_into_RDI_from_Address_RSP_Immediate8 !40 # get fin
|
||||||
|
|
||||||
|
# Open file for writing
|
||||||
|
52 ; PUSH_RDX # allocate stack for fout
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &fout
|
||||||
|
6A 00 ; PUSH !0 # arg5 = 0
|
||||||
|
6A 07 ; PUSH !7 # to get 0x8000000000000003 we set the rightmost 3 bits
|
||||||
|
4159 ; POP_R9 # and then do right rotation by 1
|
||||||
|
49D1C9 ; ROR_R9 # arg4 = EFI_FILE_MODE_CREATE| EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ
|
||||||
|
4D89E8 ; COPY_R13_to_R8 # arg3 = out
|
||||||
|
4C89F1 ; COPY_R14_to_RCX # arg1 = rootdir
|
||||||
|
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||||
|
FF51 08 ; CALL_RCX_Immediate8 !8 # rootdir->open()
|
||||||
|
488B5C24 28 ; LOAD64_into_RBX_from_Address_RSP_Immediate8 !40 # get fout
|
||||||
|
|
||||||
|
# [_start+0x107]
|
||||||
|
49C7C7 FFFFFFFF ; LOADI32_R15 %-1 # Our flag for byte processing
|
||||||
|
49C7C6 00000000 ; LOADI32_R14 %0 # temp storage for the sum
|
||||||
|
49C7C5 00000000 ; LOADI32_R13 %0 # Our starting IP
|
||||||
|
E8 2B000000 ; CALLI32 %First_pass # Process it
|
||||||
|
|
||||||
|
# rewind input file
|
||||||
|
4889F9 ; COPY_RDI_to_RCX # Using our input file
|
||||||
|
31D2 ; XOR_EDX_EDX # Offset Zero
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
FF51 38 ; CALL_RCX_Immediate8 !56 # fin->set_position(fin, 0)
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
|
||||||
|
49C7C7 FFFFFFFF ; LOADI32_R15 %-1 # Our flag for byte processing
|
||||||
|
49C7C6 00000000 ; LOADI32_R14 %0 # temp storage for the sum
|
||||||
|
49C7C5 00000000 ; LOADI32_R13 %0 # Our starting IP
|
||||||
|
E8 EF000000 ; CALLI32 %Second_pass # Process it
|
||||||
|
|
||||||
|
E9 35020000 ; JMP32 %Done
|
||||||
|
|
||||||
|
# :First_pass [_start+0x14C]
|
||||||
|
E8 BB010000 ; CALLI32 %Read_byte
|
||||||
|
|
||||||
|
# Deal with EOF
|
||||||
|
483D FCFFFFFF ; CMPI32_RAX %-4
|
||||||
|
0F84 67000000 ; JE32 %First_pass_done
|
||||||
|
|
||||||
|
# Check for :
|
||||||
|
483D 3A000000 ; CMPI32_RAX %0x3a
|
||||||
|
0F85 05000000 ; JNE32 %First_pass_0
|
||||||
|
|
||||||
|
# Deal with label
|
||||||
|
E8 EB010000 ; CALLI32 %StoreLabel
|
||||||
|
|
||||||
|
# :First_pass_0 [_start+0x16E]
|
||||||
|
# Check for %
|
||||||
|
483D 25000000 ; CMPI32_RAX %0x25
|
||||||
|
0F84 39000000 ; JE32 %First_pass_pointer
|
||||||
|
|
||||||
|
# Deal with everything else
|
||||||
|
E8 46000000 ; CALLI32 %hex # Process our char
|
||||||
|
|
||||||
|
# Deal with EOF
|
||||||
|
483D FCFFFFFF ; CMPI32_RAX %-4
|
||||||
|
0F84 39000000 ; JE32 %First_pass_done
|
||||||
|
|
||||||
|
# deal with -1 values
|
||||||
|
483D 00000000 ; CMPI32_RAX %0
|
||||||
|
0F8C B5FFFFFF ; JL32 %First_pass
|
||||||
|
|
||||||
|
# deal with toggle
|
||||||
|
4981FF 00000000 ; CMPI32_R15 %0
|
||||||
|
0F84 07000000 ; JE32 %First_pass_1
|
||||||
|
4981C5 01000000 ; ADDI32_to_R13 %1 # Increment IP
|
||||||
|
|
||||||
|
# :First_pass_1 [_start+0xAB]
|
||||||
|
49F7D7 ; NOT_R15
|
||||||
|
E9 99FFFFFF ; JMP32 %First_pass
|
||||||
|
|
||||||
|
# :First_pass_pointer [_start+0x1B3]
|
||||||
|
# Deal with Pointer to label
|
||||||
|
E8 54010000 ; CALLI32 %Read_byte # Drop the char
|
||||||
|
4981C5 04000000 ; ADDI32_to_R13 %4 # Increment IP
|
||||||
|
E9 88FFFFFF ; JMP32 %First_pass # Loop again
|
||||||
|
|
||||||
|
# :First_pass_done [_start+0x1C4]
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# :hex [_start+0x1C5]
|
||||||
|
# deal with EOF
|
||||||
|
483D FCFFFFFF ; CMPI32_RAX %-4
|
||||||
|
0F84 DC000000 ; JE32 %EOF
|
||||||
|
# deal with line comments starting with #
|
||||||
|
483D 23000000 ; CMPI32_RAX %0x23
|
||||||
|
0F84 E8000000 ; JE32 %ascii_comment
|
||||||
|
# deal with line comments starting with ;
|
||||||
|
483D 3B000000 ; CMPI32_RAX %0x3b
|
||||||
|
0F84 DC000000 ; JE32 %ascii_comment
|
||||||
|
# deal all ascii less than 0
|
||||||
|
483D 30000000 ; CMPI32_RAX %0x30
|
||||||
|
0F8C C8000000 ; JL32 %ascii_other
|
||||||
|
# deal with 0-9
|
||||||
|
483D 3A000000 ; CMPI32_RAX %0x3a
|
||||||
|
0F8C AD000000 ; JL32 %ascii_num
|
||||||
|
# deal with all ascii less than A
|
||||||
|
483D 41000000 ; CMPI32_RAX %0x41
|
||||||
|
0F8C B0000000 ; JL32 %ascii_other
|
||||||
|
# deal with A-F
|
||||||
|
483D 47000000 ; CMPI32_RAX %0x47
|
||||||
|
0F8C 9F000000 ; JL32 %ascii_high
|
||||||
|
# deal with all ascii less than a
|
||||||
|
483D 61000000 ; CMPI32_RAX %0x61
|
||||||
|
0F8C 98000000 ; JL32 %ascii_other
|
||||||
|
# deal with a-f
|
||||||
|
483D 67000000 ; CMPI32_RAX %0x67
|
||||||
|
0F8C 82000000 ; JL32 %ascii_low
|
||||||
|
# The rest that remains needs to be ignored
|
||||||
|
E9 87000000 ; JMP32 %ascii_other
|
||||||
|
|
||||||
|
# :Second_pass [_start+0x236]
|
||||||
|
E8 D1000000 ; CALLI32 %Read_byte
|
||||||
|
|
||||||
|
# Deal with EOF
|
||||||
|
483D FCFFFFFF ; CMPI32_RAX %-4
|
||||||
|
0F84 65000000 ; JE32 %Second_pass_done
|
||||||
|
|
||||||
|
# Simply drop the label
|
||||||
|
483D 3A000000 ; CMPI32_RAX %0x3a
|
||||||
|
0F85 0A000000 ; JNE32 %Second_pass_0
|
||||||
|
|
||||||
|
E8 B4000000 ; CALLI32 %Read_byte
|
||||||
|
E9 D9FFFFFF ; JMP32 %Second_pass
|
||||||
|
|
||||||
|
# :Second_pass_0 [_start+0x25D]
|
||||||
|
# Deal with % pointer
|
||||||
|
483D 25000000 ; CMPI32_RAX %0x25
|
||||||
|
0F85 0A000000 ; JNE32 %Second_pass_1
|
||||||
|
|
||||||
|
E8 F4000000 ; CALLI32 %StorePointer
|
||||||
|
E9 C3FFFFFF ; JMP32 %Second_pass
|
||||||
|
|
||||||
|
# :Second_pass_1 [_start+0x273]
|
||||||
|
# Deal with everything else
|
||||||
|
E8 4DFFFFFF ; CALLI32 %hex # Process our char
|
||||||
|
|
||||||
|
# Deal with EOF
|
||||||
|
483D FCFFFFFF ; CMPI32_RAX %-4
|
||||||
|
0F84 28000000 ; JE32 %Second_pass_done
|
||||||
|
|
||||||
|
# deal with -1 values
|
||||||
|
483D 00000000 ; CMPI32_RAX %0
|
||||||
|
0F8C A6FFFFFF ; JL32 %Second_pass
|
||||||
|
|
||||||
|
# deal with toggle
|
||||||
|
4981FF 00000000 ; CMPI32_R15 %0
|
||||||
|
0F84 4D000000 ; JE32 %print
|
||||||
|
|
||||||
|
# process first byte of pair
|
||||||
|
4989C6 ; COPY_RAX_to_R14
|
||||||
|
49C7C7 00000000 ; LOADI32_R15 %0
|
||||||
|
E9 8AFFFFFF ; JMP32 %Second_pass
|
||||||
|
|
||||||
|
# :Second_pass_done [_start+0x2AC]
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# :EOF [_start+0x2AD]
|
||||||
|
C3 ; RET
|
||||||
|
# :ascii_num [_start+0x2AE]
|
||||||
|
4883E8 30 ; SUBI8_from_RAX !0x30
|
||||||
|
C3 ; RET
|
||||||
|
# :ascii_low [_start+0x2B3]
|
||||||
|
4883E8 57 ; SUBI8_from_RAX !0x57
|
||||||
|
C3 ; RET
|
||||||
|
# :ascii_high [_start+0x2B8]
|
||||||
|
4883E8 37 ; SUBI8_from_RAX !0x37
|
||||||
|
C3 ; RET
|
||||||
|
# :ascii_other [_start+0x2BD]
|
||||||
|
48C7C0 FFFFFFFF ; LOADI32_RAX %-1
|
||||||
|
C3 ; RET
|
||||||
|
# :ascii_comment [_start+0x2C5]
|
||||||
|
E8 42000000 ; CALLI32 %Read_byte
|
||||||
|
483D 0D000000 ; CMPI32_RAX %0xd
|
||||||
|
0F84 0C000000 ; JE32 %ascii_comment_cr
|
||||||
|
483D 0A000000 ; CMPI32_RAX %0xa
|
||||||
|
0F85 E3FFFFFF ; JNE32 %ascii_comment
|
||||||
|
# :ascii_comment_cr [_start+0x2E2]
|
||||||
|
48C7C0 FFFFFFFF ; LOADI32_RAX %-1
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# process second byte of pair
|
||||||
|
# :print [_start+0x2EA]
|
||||||
|
# update the sum and store in output
|
||||||
|
49C1E6 04 ; SHL8_R14 !4
|
||||||
|
4C01F0 ; ADD_R14_to_RAX
|
||||||
|
|
||||||
|
# flip the toggle
|
||||||
|
49F7D7 ; NOT_R15 # R15 = -1
|
||||||
|
|
||||||
|
48C7C2 01000000 ; LOADI32_RDX %1 # set the size of chars we want
|
||||||
|
E8 2F000000 ; CALLI32 %print_chars
|
||||||
|
|
||||||
|
4981C5 01000000 ; ADDI32_to_R13 %1 # Increment IP
|
||||||
|
E9 2AFFFFFF ; JMP32 %Second_pass
|
||||||
|
|
||||||
|
|
||||||
|
# :Read_byte [_start+0x30C]
|
||||||
|
4889F9 ; COPY_RDI_to_RCX # arg1 = fin
|
||||||
|
6A 01 ; PUSH !1 # size = 1
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &size
|
||||||
|
56 ; PUSH_RSI # allocate stack
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &input
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
FF51 20 ; CALL_RCX_Immediate8 !32 # fin->read()
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
58 ; POP_RAX # deallocate stack
|
||||||
|
58 ; POP_RAX # save input to rax
|
||||||
|
5E ; POP_RSI # save size to rsi
|
||||||
|
|
||||||
|
# If the file ended (0 bytes read) return EOF
|
||||||
|
85F6 ; TEST_ESI_ESI # if size = 0
|
||||||
|
75 07 ; JNE8 !Read_byte_1
|
||||||
|
48C7C0 FCFFFFFF ; LOADI32_RAX %-4 # Put EOF in rax
|
||||||
|
|
||||||
|
# :Read_byte_1 [_start+0x32E]
|
||||||
|
C3 ; RET # return
|
||||||
|
|
||||||
|
# Writes bytes stored in rax
|
||||||
|
# :print_chars [_start+0x32F]
|
||||||
|
4889D9 ; COPY_RBX_to_RCX # arg1 = fout
|
||||||
|
52 ; PUSH_RDX # set size
|
||||||
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &size
|
||||||
|
50 ; PUSH_RAX # allocate stack
|
||||||
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &output
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
FF51 28 ; CALL_RCX_Immediate8 !40 # fout->write()
|
||||||
|
4883C4 28 ; ADDI8_RSP !40 # deallocate stack
|
||||||
|
|
||||||
|
C3 ; RET # return
|
||||||
|
|
||||||
|
# :Get_table_target [_start+0x345]
|
||||||
|
E8 C2FFFFFF ; CALLI32 %Read_byte # Get single char label
|
||||||
|
48C1E0 03 ; SHL8_RAX !3 # Each label in table takes 8 bytes to store
|
||||||
|
488B0D 6F000000 ; LOAD64_rel_RCX %table # Get table
|
||||||
|
4801C8 ; ADD_RCX_to_RAX # Calculate offset
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# :StoreLabel [_start+0x359]
|
||||||
|
E8 E7FFFFFF ; CALLI32 %Get_table_target
|
||||||
|
4C8928 ; STORE32_R13_to_Address_in_RAX # Write out pointer to table
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# :StorePointer [_start+0x362]
|
||||||
|
4981C5 04000000 ; ADDI32_to_R13 %4 # Increment IP
|
||||||
|
E8 D7FFFFFF ; CALLI32 %Get_table_target # Get address of pointer
|
||||||
|
678B00 ; LOAD32_Address_in_RAX_into_RAX # Get pointer
|
||||||
|
4C29E8 ; SUB_R13_from_RAX # target - ip
|
||||||
|
48C7C2 04000000 ; LOADI32_RDX %4 # set the size of chars we want
|
||||||
|
E8 AFFFFFFF ; CALLI32 %print_chars
|
||||||
|
C3 ; RET
|
||||||
|
|
||||||
|
# :Done [_start+0x381]
|
||||||
|
# Free pool
|
||||||
|
488B0D 3C000000 ; LOAD64_rel_RCX %table # arg1 = table
|
||||||
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
|
4C8B35 3C000000 ; LOAD64_rel_R14 %SystemBoot # get system->boot
|
||||||
|
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(table)
|
||||||
|
|
||||||
|
4889F9 ; COPY_RDI_to_RCX # arg1 = fin
|
||||||
|
FF51 10 ; CALL_RCX_Immediate8 !16 # fin->close()
|
||||||
|
4889D9 ; COPY_RBX_to_RCX # arg1 = fout
|
||||||
|
FF51 10 ; CALL_RCX_Immediate8 !16 # fout->close()
|
||||||
|
|
||||||
|
4889EC ; COPY_RBP_to_RSP # restore stack
|
||||||
|
C3 ; RET # return to UEFI
|
||||||
|
|
||||||
|
|
||||||
|
# Protocol GUIDs
|
||||||
|
# :LOADED_IMAGE_PROTOCOL [_start+0x3A4]
|
||||||
|
A1 31 1B 5B ; %0x5b1b31a1
|
||||||
|
62 95 ; @0x9562
|
||||||
|
D2 11 ; @0x11d2
|
||||||
|
# :LOADED_IMAGE_PROTOCOL_8 [_start+0x3AC]
|
||||||
|
8E 3F 00 A0 C9 69 72 3B ; !0x8e !0x3f !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||||
|
|
||||||
|
# :SIMPLE_FS_PROTOCOL [_start+0x3B4]
|
||||||
|
22 5B 4E 96 ; %0x0964e5b22
|
||||||
|
59 64 ; @0x6459
|
||||||
|
D2 11 ; @0x11d2
|
||||||
|
# :SIMPLE_FS_PROTOCOL_8 [_start+0x3BC]
|
||||||
|
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||||
|
|
||||||
|
# :table [_start+0x3C4]
|
||||||
|
00000000 00000000
|
||||||
|
|
||||||
|
# :SystemBoot [_start+0x3CC]
|
||||||
|
00000000 00000000
|
||||||
|
|
||||||
|
# :PE32_end [_start+0x3D4]
|
|
@ -152,9 +152,9 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
# Open Loaded Image protocol
|
# Open Loaded Image protocol
|
||||||
50 ; PUSH_RAX # allocate stack for image
|
50 ; PUSH_RAX # allocate stack for image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &image
|
||||||
488B15 3F030000 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 3F030000 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 2F030000 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 2F030000 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto
|
52 ; PUSH_RDX # push first 64 bits onto
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -191,9 +191,9 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
# Get root file system
|
# Get root file system
|
||||||
50 ; PUSH_RAX # allocate stack for rootfs
|
50 ; PUSH_RAX # allocate stack for rootfs
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &rootfs
|
||||||
488B15 EE020000 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
488B15 EE020000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 DE020000 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
488B15 DE020000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL # EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -335,9 +335,9 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
50 ; PUSH_RAX # allocate stack for file_size
|
50 ; PUSH_RAX # allocate stack for file_size
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_size
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_size
|
||||||
49C700 00100000 ; STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
49C700 00100000 ; STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
|
||||||
488B15 B2010000 ; LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
488B15 B2010000 ; LOAD64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 B2010000 ; LOADI64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
488B15 B2010000 ; LOAD64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
||||||
|
@ -458,9 +458,9 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
# Open Child Image
|
# Open Child Image
|
||||||
50 ; PUSH_RAX # allocate stack for child_image
|
50 ; PUSH_RAX # allocate stack for child_image
|
||||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &child_image
|
4989E0 ; COPY_RSP_to_R8 # arg3 = &child_image
|
||||||
488B15 B1000000 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
488B15 B1000000 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||||
52 ; PUSH_RDX # push last 64 bits onto stack
|
52 ; PUSH_RDX # push last 64 bits onto stack
|
||||||
488B15 A1000000 ; LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
488B15 A1000000 ; LOAD64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||||
52 ; PUSH_RDX # push first 64 bits onto
|
52 ; PUSH_RDX # push first 64 bits onto
|
||||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -474,7 +474,7 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
|
|
||||||
488958 38 ; STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
488958 38 ; STORE64_from_RBX_into_Address_RAX_Immediate8 !56 # child_image->load_options = command
|
||||||
488970 30 ; STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
488970 30 ; STORE64_from_RSI_into_Address_RAX_Immediate8 !48 # set child_image->load_options_size
|
||||||
488B0D EA000000 ; LOADI64_rel_RCX %image # get image
|
488B0D EA000000 ; LOAD64_rel_RCX %image # get image
|
||||||
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
488B49 18 ; LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
||||||
488948 18 ; STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
488948 18 ; STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
||||||
|
|
||||||
|
@ -519,7 +519,7 @@ F6 03 00 00 ; SizeOfRawData
|
||||||
C3 ; RET
|
C3 ; RET
|
||||||
|
|
||||||
# :File_Print [_start+0x345]
|
# :File_Print [_start+0x345]
|
||||||
488B0D A2000000 ; LOADI64_rel_RCX %system_out # get system_out
|
488B0D A2000000 ; LOAD64_rel_RCX %system_out # get system_out
|
||||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||||
FF51 08 ; CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
FF51 08 ; CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
||||||
|
|
|
@ -1,7 +1,12 @@
|
||||||
# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
|
# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
|
||||||
|
# SPDX-FileCopyrightText: 2017 Jeremiah Orians
|
||||||
|
# SPDX-FileCopyrightText: 2017 2017 Jan Nieuwenhuizen <janneke@gnu.org>
|
||||||
#
|
#
|
||||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||||
|
|
||||||
#################################
|
#################################
|
||||||
# Phase-1 Build hex1 from hex0 #
|
# Phase-1 Build hex1 from hex0 #
|
||||||
#################################
|
#################################
|
||||||
|
amd64\artifact\hex0.efi amd64\hex1.hex0 amd64\artifact\hex1.efi
|
||||||
|
# hex1 adds support for single character labels and is available in various forms
|
||||||
|
# in mescc-tools/amd64_bootstrap to allow you various ways to verify correctness
|
||||||
|
|
Loading…
Reference in New Issue