Add kaem-optional M1 and hex2 development prototypes.
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@ -343,3 +343,5 @@ DEFINE TEST_ESI_ESI 85F6
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@0x11d2
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:SIMPLE_FS_PROTOCOL_8
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!0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
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:PE32_end
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@ -281,3 +281,5 @@
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D2 11 ; @0x11d2
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:SIMPLE_FS_PROTOCOL_8
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8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
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:PE32_end
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@ -0,0 +1,572 @@
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# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
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# SPDX-FileCopyrightText: 2017 Jeremiah Orians <jeremiah@pdp10.guru>
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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DEFINE ADD_RBX_to_R15 4901DF
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DEFINE ADD_RDI_to_R15 4901FF
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DEFINE ADD_RSI_to_RBX 4801F3
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DEFINE ADDI8_RAX 4883C0
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DEFINE ADDI8_RBX 4883C3
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DEFINE ADDI8_RSI 4883C6
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DEFINE ADDI8_RSP 4883C4
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DEFINE CALLI32 E8
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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 COPY_RAX_to_RCX 4889C1
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DEFINE COPY_RBX_to_RCX 4889C3
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DEFINE COPY_RBX_to_RDX 4889DA
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DEFINE COPY_RBX_to_R8 4989D8
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DEFINE COPY_RBX_to_R12 4989DC
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DEFINE COPY_RBP_to_RSP 4889EC
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DEFINE COPY_RDI_to_RCX 4889F9
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DEFINE COPY_RDI_to_R9 4989F9
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DEFINE COPY_RSI_to_R15 4989F7
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DEFINE COPY_RSP_to_RDX 4889E2
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DEFINE COPY_RSP_to_RBP 4889E5
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DEFINE COPY_RSP_to_R8 4989E0
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DEFINE COPY_R8_to_RAX 4C89C0
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DEFINE COPY_R9_to_RCX 4C89C9
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DEFINE COPY_R12_to_RCX 4C89E1
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DEFINE COPY_R12_to_R8 4D89E0
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DEFINE COPY_R13_to_RCX 4C89E9
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DEFINE COPY_R15_to_RCX 4C89F9
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DEFINE COPY_R15_to_R8 4D89F8
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DEFINE COPY_R15_to_R9 4D89F9
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DEFINE INC_RAX 48FFC0
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DEFINE JE8 74
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DEFINE JMP8 EB
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DEFINE JMP32 E9
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DEFINE JNE8 75
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DEFINE JNE32 0F85
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DEFINE LEA_RDX_rel 488D15
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DEFINE LEA_R12_rel 4C8D25
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DEFINE LOAD64_into_RAX_from_Address_RDX_Immediate8 488B42
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DEFINE LOAD64_into_RAX_from_Address_RSP_Immediate8 488B4424
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DEFINE LOAD64_into_RBX_from_Address_RAX_Immediate8 488B58
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DEFINE LOAD64_into_RBX_from_Address_RSP_Immediate8 488B5C24
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DEFINE LOAD64_into_RCX_from_Address_RCX_Immediate8 488B49
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DEFINE LOAD64_into_RCX_from_Address_RSP_Immediate8 488B4C24
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DEFINE LOAD64_into_RDX_from_Address_RCX_Immediate8 488B51
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DEFINE LOAD64_into_R14_from_Address_RDX_Immediate8 4C8B72
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DEFINE LOAD64_into_R12_from_Address_RSP_Immediate8 4C8B6424
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DEFINE LOAD64_into_RDX_rel32 488B15
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DEFINE LOAD64_into_R9_rel32 4C8B0D
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DEFINE LOAD8_AL_from_Address_RBX 8A03
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DEFINE LOADI8_DH B6
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DEFINE LOADI64_rel_RCX 488B0D
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DEFINE LOADI64_rel_RDX 488B15
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DEFINE POP_RAX 58
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DEFINE POP_RBX 5B
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DEFINE POP_RCX 59
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DEFINE POP_RDX 5A
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DEFINE POP_RSI 5E
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DEFINE POP_RDI 5F
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DEFINE POP_R8 4158
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DEFINE POP_R9 4159
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DEFINE POP_R13 415D
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DEFINE POP_R14 415E
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DEFINE POP_R15 415F
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DEFINE PUSH 6A
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DEFINE PUSH_RAX 50
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DEFINE PUSH_RDX 52
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DEFINE PUSH_RBX 53
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DEFINE PUSH_RSP 54
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DEFINE PUSH_RSI 56
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DEFINE PUSH_RDI 57
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DEFINE PUSH_R8 4150
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DEFINE PUSH_R9 4151
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DEFINE RET C3
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DEFINE SHR_RSI 48D1EE
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DEFINE STORE16_AX_into_Address_RBX 668903
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DEFINE STORE64_R15_into_Address_RAX 4C8938
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DEFINE STORE64_from_RAX_rel32 488905
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DEFINE STORE64_from_RCX_rel32 48890D
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DEFINE STORE64_from_RBX_into_Address_RAX_Immediate8 488958
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DEFINE STORE64_from_RCX_into_Address_RCX_Immediate8 488948
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DEFINE STORE64_from_RSI_into_Address_RAX_Immediate8 488970
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DEFINE STOREI8_into_Address_RAX C600
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DEFINE STOREI16_into_Address_RAX 66C700
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DEFINE STOREI32_into_Address_RAX C700
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DEFINE STOREI16_into_Address_RBX 66C703
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DEFINE STOREI16_into_Address_R15 6641C707
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DEFINE STOREI32_into_Address_R8 49C700
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DEFINE SUBI8_RSP 4883EC
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DEFINE SUB_RDI_from_R15 4929FF
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DEFINE SUB_RSI_from_RBX 4829F3
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DEFINE TEST_AL_AL 84C0
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DEFINE TEST_EAX_EAX 85C0
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DEFINE TEST_ECX_ECX 85C9
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DEFINE TEST_R15_R15 4D85FF
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DEFINE XOR_ECX_ECX 31C9
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DEFINE XOR_EDX_EDX 31D2
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DEFINE XOR_ESI_ESI 31F6
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DEFINE XOR_R8_R8 4D31C0
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DEFINE XOR_R9_R9 4D31C9
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DEFINE XOR_R15_R15 4D31FF
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# efi_main(void *image_handle, struct efi_system_table *system)
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:_start
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COPY_RSP_to_RBP # save stack pointer
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STORE64_from_RCX_rel32 %image_handle # save image_handle
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LOAD64_into_RAX_from_Address_RDX_Immediate8 !64 # system->out
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STORE64_from_RAX_rel32 %system_out # save system->out
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LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
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XOR_ECX_ECX # timeout = 0
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XOR_EDX_EDX # watchdog_code = 0
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XOR_R8_R8 # data_size = 0
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XOR_R9_R9 # watchdog_data = 0
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_R14_Immediate32 %240 # system->boot->set_watchdog_timer
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# Open Loaded Image protocol
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PUSH_RAX # allocate stack for 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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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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PUSH_RDX # push first 64 bits onto stack
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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 !0 # arg5 = NULL
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LOAD64_into_R9_rel32 %image_handle # arg4 = image_handle
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COPY_R9_to_RCX # arg1 = image_handle
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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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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STORE64_from_RAX_rel32 %image # save image
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# Command line args
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COPY_RAX_to_RCX # copy image to rcx
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LOAD64_into_RBX_from_Address_RAX_Immediate8 !56 # options = image->load_options
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# Skip application name
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:loop_options1
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ADDI8_RBX !2 # ++options
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LOAD8_AL_from_Address_RBX # *options
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CMPI8_AL !0x20 # if *options == ' '
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JE8 !loop_options2 # then jump
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TEST_AL_AL # if options != 0
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JNE8 !loop_options1 # then loop
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# Use default file
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LEA_R12_rel %default_file # Use "kaem.amd64"
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JMP8 !root_fs # jump
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:loop_options2
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ADDI8_RBX !2 # ++options
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COPY_RBX_to_R12 # save input file
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:root_fs
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# Get root file system
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PUSH_RAX # allocate stack for rootfs
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COPY_RSP_to_R8 # arg3 = &rootfs
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # SIMPLE_FS_PROTOCOL (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL # SIMPLE_FS_PROTOCOL (first 64 bits)
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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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PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
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PUSH !0 # arg5 = NULL
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LOAD64_into_R9_rel32 %image_handle # arg4 = image_handle
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LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # arg1 = root_device = image->device
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_R14_Immediate32 %280 # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
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LOAD64_into_RCX_from_Address_RSP_Immediate8 !64 # get rootfs
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# Get root directory
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PUSH_RDX # allocate stack for rootdir
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COPY_RSP_to_RDX # arg2 = &rootdir
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PUSH_RAX # allocate shadow stack space for UEFI function
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PUSH_RAX # allocate shadow stack space for UEFI function
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CALL_RCX_Immediate8 !8 # rootfs->open_volume(rootfs, &rootdir)
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_R13 # save &rootdir
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# Open file for reading
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PUSH_RDX # allocate stack for fin
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COPY_RSP_to_RDX # arg2 = &fin
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PUSH !1 # arg5 = EFI_FILE_READ_ONLY
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PUSH !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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POP_R9 # arg4 = EFI_FILE_MODE_READ
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COPY_R12_to_R8 # arg3 = in
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COPY_R13_to_RCX # arg1 = rootdir
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_RCX_Immediate8 !8 # rootdir->open()
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TEST_EAX_EAX # if status != EFI_SUCCESS
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JNE32 %abort # then exit without closing file
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LOAD64_into_R12_from_Address_RSP_Immediate8 !40 # get fin
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# Allocate pool for command
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PUSH_RDX # allocate stack for command
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COPY_RSP_to_R8 # arg3 = &command
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XOR_EDX_EDX # zero RDX
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LOADI8_DH !0x10 # arg2 = 4096 = 0x1000
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PUSH !2
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POP_RCX # arg1 = EFI_LOADER_DATA
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PUSH_RAX # allocate shadow stack space for UEFI function
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PUSH_RAX # allocate shadow stack space for UEFI function
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PUSH_RAX # allocate shadow stack space for UEFI function
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CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &commmand)
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LOAD64_into_RBX_from_Address_RSP_Immediate8 !24 # get command
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:next_command
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XOR_ESI_ESI # i = 0
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XOR_R15_R15 # command_length = 0
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:read_command
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CALLI32 %read_byte # read another byte c
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CMPI8_AL !0xa # if c == '\n'
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JE8 !read_command_done # then we are done with this command
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CMPI8_AL !0x20 # if c == ' '
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JNE8 !read_command_comments
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TEST_R15_R15 # and command_length == 0
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JNE8 !read_command_comments
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COPY_RSI_to_R15 # command_length = i
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:read_command_comments
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CMPI8_AL !0x23 # if c == '#' then process comment
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JNE8 !read_command_store_char # else store char
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:read_command_skip_comment
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CALLI32 %read_byte # get another char
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CMPI8_AL !0xa # if c == '\n'
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JNE8 !read_command_skip_comment # continue reading until newline
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JMP8 !next_command # deal with another line
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:read_command_store_char
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ADD_RSI_to_RBX # rbx = &command[i]
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STORE16_AX_into_Address_RBX # command[i] = c
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SUB_RSI_from_RBX # rbx = &command[0]
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ADDI8_RSI !2 # location of the next char
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JMP8 !read_command # continue looping
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:read_command_done
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TEST_R15_R15 # if command_length == 0
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JE8 !next_command # deal with another line
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ADD_RSI_to_RBX # rbx = &command[i]
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STOREI16_into_Address_RBX @0 # command[i] = 0
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SUB_RSI_from_RBX # rbx = &command[0]
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SHR_RSI # divide i by 2 to go from char to wchar length
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LEA_RDX_rel %prefix # get prefix " +> "
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CALLI32 %File_Print # print it
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COPY_RBX_to_RDX # get command
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CALLI32 %File_Print # print it
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LEA_RDX_rel %suffix # get suffix "\n\r"
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CALLI32 %File_Print # print it
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# Remove command line options
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ADD_RBX_to_R15 # go to the space separating command and its options
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STOREI16_into_Address_R15 @0 # zero it to hide command line options
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# Open executable file for reading
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PUSH_RDX # allocate stack for fcmd
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COPY_RSP_to_RDX # arg2 = &fcmd
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PUSH !1 # arg5 = EFI_FILE_READ_ONLY
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PUSH !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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POP_R9 # arg4 = EFI_FILE_MODE_READ
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COPY_RBX_to_R8 # arg3 = command
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COPY_R13_to_RCX # arg1 = rootdir
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_RCX_Immediate8 !8 # rootdir->open()
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TEST_EAX_EAX # if status != EFI_SUCCESS
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JNE32 %print_error # then exit
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ADDI8_RSP !40 # deallocate stack
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POP_RDI # get fcmd
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# Restore command line arguments
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STOREI16_into_Address_R15 @0x20 # restore command line options by readding ' '
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# Allocate pool for file_info
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PUSH_RDX # allocate stack for file_info
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COPY_RSP_to_R8 # arg3 = &file_info
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XOR_EDX_EDX # zero RDX
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LOADI8_DH !0x10 # arg2 = 4096 = 0x1000
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PUSH !2
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POP_RCX # arg1 = EFI_LOADER_DATA
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &file_info)
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_R9 # get file_info (arg4 for get_info)
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# Get file info
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PUSH_R9 # save file_info
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PUSH_RAX # allocate stack for file_size
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COPY_RSP_to_R8 # arg3 = &file_size
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STOREI32_into_Address_R8 %0x1000 # file_size = 0x1000
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LOADI64_rel_RDX %SIMPLE_FS_PROTOCOL_8 # EFI_FILE_INFO_PROTOCOL (last 64 bits)
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PUSH_RDX # push last 64 bits onto stack
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LOADI64_rel_RDX %FILE_INFO_PROTOCOL # EFI_FILE_INFO_PROTOCOL (first 64 bits)
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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_RDI_to_RCX # arg1 = fcmd
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SUBI8_RSP !32 # allocate shadow stack space for UEFI function
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CALL_RCX_Immediate8 !64 # fcmd->get_info(fcmd, &guid, &file_size, file_info)
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ADDI8_RSP !56 # deallocate stack
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POP_RCX # restore file_info
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LOAD64_into_RDX_from_Address_RCX_Immediate8 !8 # get file_size
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# Free file_info pool
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PUSH_RDX # save file_size onto stack
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PUSH_RAX # allocate shadow stack space for UEFI function
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CALL_R14_Immediate8 !72 # system->boot->free_pool(file_info)
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POP_RAX # deallocate stack
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POP_RDX # restore file_size from stack (arg2 for allocate_pool)
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# Allocate pool for executable
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PUSH_RDX # save file_size onto stack
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PUSH_RDX # allocate stack for executable
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COPY_RSP_to_R8 # arg3 = &executable
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PUSH !2
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POP_RCX # arg1 = EFI_LOADER_DATA
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, file_size, &executable)
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_R15 # get executable
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POP_RDX # restore file_size
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# Load executable into memory
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PUSH_RDX # save file_size onto stack
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COPY_R15_to_R8 # arg3 = executable
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COPY_RSP_to_RDX # arg2 = &file_size
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COPY_RDI_to_RCX # arg1 = fcmd
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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PUSH_RAX # allocate shadow stack space for UEFI
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CALL_RCX_Immediate8 !32 # fcmd->read(fcmd, &file_size, executable)
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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POP_RAX # deallocate stack
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# Close fcmd
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PUSH_RAX # allocate stack
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COPY_RDI_to_RCX # arg1 = fcmd
|
||||
CALL_RCX_Immediate8 !16 # fcmd->close(fcmd)
|
||||
POP_RAX # restore stack
|
||||
|
||||
POP_RDI # restore file_size
|
||||
|
||||
# Allocate memory for device_path struct
|
||||
PUSH_RDX # allocate stack for device_path
|
||||
COPY_RSP_to_R8 # arg3 = &device_path
|
||||
PUSH !28 # 4 + sizeof(struct efi_device_path_protocol)
|
||||
POP_RDX # arg2 = 28
|
||||
PUSH !2
|
||||
POP_RCX # arg1 = EFI_LOADER_DATA
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 28, &device_path)
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # deallocate stack
|
||||
POP_R8 # get device_path
|
||||
|
||||
# Initialize struct
|
||||
COPY_R8_to_RAX # Make a pointer to device_path members
|
||||
STOREI8_into_Address_RAX !1 # device_path->type = HARDWARE_DEVICE_PATH
|
||||
INC_RAX # next member
|
||||
STOREI8_into_Address_RAX !3 # device_path->subtype = MEMORY_MAPPED
|
||||
INC_RAX # next member
|
||||
STOREI16_into_Address_RAX @24 # device_path->length = 24
|
||||
ADDI8_RAX !2 # next member
|
||||
STOREI32_into_Address_RAX %1 # device_path->memory_type = EFI_LOADER_CODE
|
||||
ADDI8_RAX !4 # next member
|
||||
STORE64_R15_into_Address_RAX # device_path->start_address = executable
|
||||
ADDI8_RAX !8 # next member
|
||||
ADD_RDI_to_R15 # end_address = executable + file_size
|
||||
STORE64_R15_into_Address_RAX # device_path->end_address = end_address
|
||||
SUB_RDI_from_R15 # restore r15 = executable
|
||||
ADDI8_RAX !8 # next member
|
||||
STOREI8_into_Address_RAX !0x7f # device_path[1].type = END_HARDWARE_DEVICE_PATH
|
||||
INC_RAX # next member
|
||||
STOREI8_into_Address_RAX !0xff # device_path[1].subtype = END_ENTIRE_DEVICE_PATH
|
||||
INC_RAX # next member
|
||||
STOREI16_into_Address_RAX @4 # device_path[1].length = 4
|
||||
|
||||
# Load image
|
||||
PUSH_R8 # save device_path
|
||||
PUSH_RAX # allocate stack for child_ih
|
||||
PUSH_RSP # arg6 = &child_ih
|
||||
PUSH_RDI # arg5 = file size
|
||||
COPY_R15_to_R9 # arg4 = executable
|
||||
# arg3 = device_path
|
||||
LOAD64_into_RDX_rel32 %image_handle # arg2 = image_handle
|
||||
XOR_ECX_ECX # arg1 = 0
|
||||
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
CALL_R14_Immediate32 %200 # system->boot->load_image()
|
||||
ADDI8_RSP !48 # deallocate stack
|
||||
POP_RDI # save child_ih
|
||||
|
||||
# Free device_path pool
|
||||
POP_RCX # arg1 = device_path
|
||||
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
CALL_R14_Immediate8 !72 # system->boot->free_pool(device_path)
|
||||
POP_RAX # deallocate stack
|
||||
|
||||
# Free executable pool
|
||||
COPY_R15_to_RCX # arg1 = executable
|
||||
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
CALL_R14_Immediate8 !72 # system->boot->free_pool(executable)
|
||||
POP_RAX # deallocate stack
|
||||
|
||||
# Open Child Image
|
||||
PUSH_RAX # allocate stack for child_image
|
||||
COPY_RSP_to_R8 # arg3 = &child_image
|
||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL_8 # EFI_LOADED_IMAGE_PROTOCOL_GUID (last 64 bits)
|
||||
PUSH_RDX # push last 64 bits onto stack
|
||||
LOADI64_rel_RDX %LOADED_IMAGE_PROTOCOL # EFI_LOADED_IMAGE_PROTOCOL_GUID (first 64 bits)
|
||||
PUSH_RDX # push first 64 bits onto stack
|
||||
COPY_RSP_to_RDX # arg2 = &guid
|
||||
PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||
PUSH !0 # arg5 = NULL
|
||||
COPY_RDI_to_R9 # arg4 = child_ih
|
||||
COPY_RDI_to_RCX # arg1 = child_ih
|
||||
SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
CALL_R14_Immediate32 %280 # system->boot->open_protocol(child_ih, &guid, &child_image, child_ih, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
ADDI8_RSP !64 # deallocate stack
|
||||
POP_RAX # get child_image
|
||||
|
||||
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
|
||||
LOADI64_rel_RCX %image # get image
|
||||
LOAD64_into_RCX_from_Address_RCX_Immediate8 !24 # image->device
|
||||
STORE64_from_RCX_into_Address_RCX_Immediate8 !24 # child_image->device = image->device
|
||||
|
||||
# Run command
|
||||
XOR_R8_R8 # arg3 = 0 (ExitData)
|
||||
XOR_EDX_EDX # arg2 = 0 (ExitData size)
|
||||
COPY_RDI_to_RCX # arg1 = child_ih
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
PUSH_RAX # allocate shadow stack space for UEFI
|
||||
CALL_R14_Immediate32 %208 # system->boot->start_image()
|
||||
POP_RCX # deallocate stack
|
||||
POP_RCX # deallocate stack
|
||||
POP_RCX # deallocate stack
|
||||
|
||||
TEST_EAX_EAX # check if return code is 0
|
||||
JNE8 !print_error # print error and exit
|
||||
JMP32 %next_command # process another line from kaem script
|
||||
|
||||
:print_error
|
||||
PUSH_RAX # save exit code
|
||||
LOAD64_into_RDX_rel32 %subprocess_error # get error message
|
||||
CALLI32 %File_Print # print it
|
||||
POP_RAX # restore exit code
|
||||
|
||||
# Close script file and exit
|
||||
:terminate
|
||||
# Free pool
|
||||
COPY_RBX_to_RCX # arg1 = command
|
||||
PUSH_RAX # save exit code
|
||||
PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
CALL_R14_Immediate8 !72 # system->boot->free_pool(commmand)
|
||||
|
||||
COPY_R12_to_RCX # arg1 = fin
|
||||
CALL_RCX_Immediate8 !16 # fin->close(fin)
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # restore exit code
|
||||
|
||||
# Exit without closing script file
|
||||
:abort
|
||||
COPY_RBP_to_RSP # restore stack
|
||||
RET
|
||||
|
||||
# File_Print function
|
||||
# Receives WCHAR* in RDX
|
||||
:File_Print
|
||||
LOADI64_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
|
||||
CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # deallocate stack
|
||||
RET
|
||||
|
||||
# read_byte function
|
||||
# reads a single character
|
||||
:read_byte
|
||||
COPY_R12_to_RCX # arg1 = fin
|
||||
PUSH !1 # size = 1
|
||||
COPY_RSP_to_RDX # arg2 = &size
|
||||
PUSH_RSI # allocate stack
|
||||
COPY_RSP_to_R8 # arg3 = &c
|
||||
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 !32 # fin->read()
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # deallocate stack
|
||||
POP_RAX # save c to rax
|
||||
POP_RCX # save size to rcx
|
||||
|
||||
# If the file ended (0 bytes read) terminate
|
||||
TEST_ECX_ECX # if size = 0
|
||||
JE8 !terminate # then we are done
|
||||
|
||||
RET # return
|
||||
|
||||
|
||||
# Protocol GUIDs
|
||||
:LOADED_IMAGE_PROTOCOL
|
||||
%0x5b1b31a1
|
||||
@0x9562
|
||||
@0x11d2
|
||||
:LOADED_IMAGE_PROTOCOL_8
|
||||
!0x8e !0x3f !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||
|
||||
:SIMPLE_FS_PROTOCOL
|
||||
%0x0964e5b22
|
||||
@0x6459
|
||||
@0x11d2
|
||||
:SIMPLE_FS_PROTOCOL_8
|
||||
!0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||
|
||||
:FILE_INFO_PROTOCOL
|
||||
%0x09576e92
|
||||
@0x6d3f
|
||||
@0x11d2
|
||||
# last 64-bits of GUID are identical to SIMPLE_FS_PROTOCOL
|
||||
|
||||
:default_file
|
||||
"k" "a" "e" "m" "." "a" "m" "d" "6" "4" @0
|
||||
|
||||
:prefix
|
||||
" " "+" ">" " " @0
|
||||
|
||||
:subprocess_error
|
||||
"S" "u" "b" "p" "r" "o" "c" "e" "s" "s" " "
|
||||
"e" "r" "r" "o" "r"
|
||||
:suffix
|
||||
!0xa !0 !0xd !0 @0 # L"\n\r"
|
||||
|
||||
:image_handle
|
||||
%0 %0
|
||||
|
||||
:image
|
||||
%0 %0
|
||||
|
||||
:system_out
|
||||
%0 %0
|
||||
|
||||
:PE32_end
|
||||
|
|
@ -3,19 +3,6 @@
|
|||
#
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
|
||||
# Usage: hex0 file.hex0 file
|
||||
# Does not validate the arguments or check for success
|
||||
|
||||
# Calling convention:
|
||||
# First four arguments are passed via registers rcx, rdx, r8, r9 (if they fit in 64-bits)
|
||||
# but we need to leave stack space
|
||||
# rax, rcx, rdx, r8, r9, r10 and r11 are volatile and can be changed by called function
|
||||
|
||||
# Registers:
|
||||
# r12 script/fin: first output file name, later reused for script file handle
|
||||
# r13 rootdir
|
||||
# r14 system->boot from UEFI
|
||||
|
||||
.global _start
|
||||
.text
|
||||
|
||||
|
|
@ -49,9 +36,9 @@ _start:
|
|||
sub rsp, 32 # allocate shadow stack space for UEFI function
|
||||
call [r14+280] # system->boot->open_protocol(image_handle, &guid, &image, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
mov rax, [rsp+64] # get image
|
||||
mov [rip+image], rax # save image
|
||||
|
||||
# Command line args
|
||||
mov [rip+image], rax # save image
|
||||
mov rcx, rax # copy image to rcx
|
||||
mov rbx, [rax+56] # options = image->load_options
|
||||
|
||||
|
|
@ -86,7 +73,7 @@ root_fs:
|
|||
mov r9, [rip+image_handle] # arg4 = image_handle
|
||||
mov rcx, [rcx+24] # arg1 = root_device = image->device
|
||||
sub rsp, 32 # allocate shadow stack space for UEFI function
|
||||
call [r14+280] # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
|
||||
call [r14+280] # system->boot->open_protocol(root_device, &guid, &rootfs, image_handle, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
mov rcx, [rsp+64] # get rootfs
|
||||
|
||||
# Get root directory
|
||||
|
|
@ -99,7 +86,7 @@ root_fs:
|
|||
pop rax # deallocate stack
|
||||
pop r13 # save &rootdir
|
||||
|
||||
## Open file for reading
|
||||
# Open file for reading
|
||||
push rdx # allocate stack for fin
|
||||
mov rdx, rsp # arg2 = &fin
|
||||
push 1 # arg5 = EFI_FILE_READ_ONLY
|
||||
|
|
@ -170,7 +157,7 @@ read_command_done:
|
|||
|
||||
shr rsi # divide i by 2 to go from char to wchar length
|
||||
|
||||
lea rdx, [rip+prefix] # get prefix "+>"
|
||||
lea rdx, [rip+prefix] # get prefix " +> "
|
||||
call File_Print # print it
|
||||
mov rdx, rbx # get command
|
||||
call File_Print # print it
|
||||
|
|
@ -192,9 +179,9 @@ read_command_done:
|
|||
sub rsp, 32 # allocate shadow stack space for UEFI function
|
||||
call [rcx+8] # rootdir->open()
|
||||
test eax, eax # if status != EFI_SUCCESS
|
||||
jne terminate # then exit
|
||||
add rsp, 32 # deallocate stack
|
||||
mov rdi, [rsp+8] # get fcmd
|
||||
jne print_error # then exit
|
||||
add rsp, 40 # deallocate stack
|
||||
pop rdi # get fcmd
|
||||
|
||||
# Restore command line arguments
|
||||
mov WORD PTR [r15], 0x20 # restore command line options by readding ' '
|
||||
|
|
@ -209,7 +196,7 @@ read_command_done:
|
|||
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 [r14+64] # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &commmand)
|
||||
call [r14+64] # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &file_info)
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
|
|
@ -255,7 +242,7 @@ read_command_done:
|
|||
pop r15 # get executable
|
||||
pop rdx # restore file_size
|
||||
|
||||
# Load executable to memory
|
||||
# Load executable into memory
|
||||
push rdx # save file_size onto stack
|
||||
mov r8, r15 # arg3 = executable
|
||||
mov rdx, rsp # arg2 = &file_size
|
||||
|
|
@ -271,7 +258,7 @@ read_command_done:
|
|||
# Close fcmd
|
||||
push rax # allocate stack
|
||||
mov rcx, rdi # arg1 = fcmd
|
||||
call [rcx+16] # fin->close()
|
||||
call [rcx+16] # fcmd->close(fcmd)
|
||||
pop rax # restore stack
|
||||
|
||||
pop rdi # restore file_size
|
||||
|
|
@ -353,9 +340,9 @@ read_command_done:
|
|||
mov r9, rdi # arg4 = child_ih
|
||||
mov rcx, rdi # arg1 = child_ih
|
||||
sub rsp, 32 # allocate shadow stack space for UEFI function
|
||||
call [r14+280] # system->boot->open_protocol(child_ih, &guid, &image, child_ih, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
call [r14+280] # system->boot->open_protocol(child_ih, &guid, &child_image, child_ih, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
add rsp, 64 # deallocate stack
|
||||
pop rax # get image
|
||||
pop rax # get child_image
|
||||
|
||||
mov [rax+56], rbx # child_image->load_options = command
|
||||
mov [rax+48], rsi # set child_image->load_options_size
|
||||
|
|
@ -364,8 +351,8 @@ read_command_done:
|
|||
mov [rax+24], rcx # child_image->device = image->device
|
||||
|
||||
# Run command
|
||||
xor r8, r8 # arg3 = 0
|
||||
xor rdx, rdx # arg2 = 0
|
||||
xor r8, r8 # arg3 = 0 (ExitData)
|
||||
xor edx, edx # arg2 = 0 (ExitData size)
|
||||
mov rcx, rdi # arg1 = child_ih
|
||||
push rax # allocate shadow stack space for UEFI function
|
||||
push rax # allocate shadow stack space for UEFI function
|
||||
|
|
@ -376,8 +363,8 @@ read_command_done:
|
|||
pop rcx # deallocate stack
|
||||
|
||||
test eax, eax # check if return code is 0
|
||||
jne print_error
|
||||
jmp next_command
|
||||
jne print_error # print error and exit
|
||||
jmp next_command # process another line from kaem script
|
||||
|
||||
print_error:
|
||||
push rax # save exit code
|
||||
|
|
@ -389,14 +376,14 @@ print_error:
|
|||
terminate:
|
||||
# Free pool
|
||||
mov rcx, rbx # arg1 = command
|
||||
mov rbx, rax # save exit code
|
||||
push rax # save exit code
|
||||
push rax # allocate shadow stack space for UEFI function
|
||||
call [r14+72] # system->boot->free_pool(commmand)
|
||||
|
||||
push rax # allocate stack
|
||||
mov rcx, r12 # arg1 = fin
|
||||
call [rcx+16] # fin->close()
|
||||
mov rax, rbx # restore exit code
|
||||
call [rcx+16] # fin->close(fin)
|
||||
pop rax # deallocate stack
|
||||
pop rax # restore exit code
|
||||
|
||||
# Exit without closing script file
|
||||
abort:
|
||||
|
|
@ -409,7 +396,7 @@ File_Print:
|
|||
mov rcx, [rip+system_out] # get system_out
|
||||
push rax # allocate shadow stack space for UEFI function
|
||||
push rax # allocate shadow stack space for UEFI function
|
||||
call [rcx+8] # system->out->output_string(system->out, WCHAR*);
|
||||
call [rcx+8] # system->out->output_string(system->out, WCHAR*)
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
ret
|
||||
|
|
@ -417,20 +404,20 @@ File_Print:
|
|||
# read_byte function
|
||||
# reads a single character
|
||||
read_byte:
|
||||
mov rcx, r12 # arg1 = fin
|
||||
mov rcx, r12 # arg1 = fin
|
||||
push 1 # size = 1
|
||||
mov rdx, rsp # arg2 = &size
|
||||
mov rdx, rsp # arg2 = &size
|
||||
push rsi # allocate stack
|
||||
mov r8, rsp # arg3 = &c
|
||||
mov r8, rsp # arg3 = &c
|
||||
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+32] # fin->read()
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
pop rax # save c to rax
|
||||
pop rcx # save size to rcx
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
pop rax # deallocate stack
|
||||
pop rax # save c to rax
|
||||
pop rcx # save size to rcx
|
||||
|
||||
# If the file ended (0 bytes read) terminate
|
||||
test ecx, ecx # if size == 0
|
||||
|
|
@ -466,12 +453,10 @@ default_file:
|
|||
prefix:
|
||||
.byte 0x20, 0, 0x2B, 0, 0x3E, 0, 0x20, 0, 0, 0 # L" +> "
|
||||
|
||||
suffix:
|
||||
.byte 0x0a, 0, 0x0d, 0, 0, 0 # L"\n\r"
|
||||
|
||||
subprocess_error:
|
||||
.byte 0x53, 0, 0x75, 0, 0x62, 0, 0x70, 0, 0x72, 0, 0x6F, 0, 0x63, 0, 0x65, 0
|
||||
.byte 0x73, 0, 0x73, 0, 0x20, 0, 0x65, 0, 0x72, 0, 0x72, 0, 0x6F, 0, 0x72, 0
|
||||
suffix:
|
||||
.byte 0x0A, 0, 0x0D, 0, 0, 0 # L"Subprocess error\n\r"
|
||||
|
||||
image_handle:
|
||||
|
|
@ -482,4 +467,3 @@ image:
|
|||
|
||||
system_out:
|
||||
.long 0, 0
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,466 @@
|
|||
# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
|
||||
# SPDX-FileCopyrightText: 2017 Jeremiah Orians <jeremiah@pdp10.guru>
|
||||
#
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
|
||||
# efi_main(void *image_handle, struct efi_system_table *system)
|
||||
:_start
|
||||
4889E5 ; COPY_RSP_to_RBP # save stack pointer
|
||||
48890D %image_handle ; STORE64_from_RCX_rel32 %image_handle # save image_handle
|
||||
488B42 40 ; LOAD64_into_RAX_from_Address_RDX_Immediate8 !64 # system->out
|
||||
488905 %system_out ; STORE64_from_RAX_rel32 %system_out # save system->out
|
||||
4C8B72 60 ; LOAD64_into_R14_from_Address_RDX_Immediate8 !96 # system->boot
|
||||
|
||||
31C9 ; XOR_ECX_ECX # timeout = 0
|
||||
31D2 ; XOR_EDX_EDX # watchdog_code = 0
|
||||
4D31C0 ; XOR_R8_R8 # data_size = 0
|
||||
4D31C9 ; XOR_R9_R9 # watchdog_data = 0
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
41FF96 F0000000 ; CALL_R14_Immediate32 %240 # system->boot->set_watchdog_timer
|
||||
|
||||
# Open Loaded Image protocol
|
||||
50 ; PUSH_RAX # allocate stack for 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)
|
||||
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)
|
||||
52 ; PUSH_RDX # push first 64 bits onto
|
||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||
6A 00 ; PUSH !0 # arg5 = NULL
|
||||
4C8B0D %image_handle ; LOAD64_into_R9_rel32 %image_handle # arg4 = image_handle
|
||||
4C89C9 ; COPY_R9_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
|
||||
488905 %image ; STORE64_from_RAX_rel32 %image # save image
|
||||
|
||||
# Command line args
|
||||
4889C1 ; COPY_RAX_to_RCX # copy image to rcx
|
||||
488B58 38 ; LOAD64_into_RBX_from_Address_RAX_Immediate8 !56 # options = image->load_options
|
||||
|
||||
# Skip application name
|
||||
:loop_options1
|
||||
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||
8A03 ; LOAD8_AL_from_Address_RBX # *options
|
||||
3C 20 ; CMPI8_AL !0x20 # if *options == ' '
|
||||
74 !loop_options2 ; JE8 !loop_options2 # then jump
|
||||
84C0 ; TEST_AL_AL # if options != 0
|
||||
75 !loop_options1 ; JNE8 !loop_options1 # then loop
|
||||
|
||||
# Use default file
|
||||
4C8D25 %default_file ; LEA_R12_rel %default_file # Use "kaem.amd64"
|
||||
EB !root_fs ; JMP8 !root_fs # jump
|
||||
|
||||
:loop_options2
|
||||
4883C3 02 ; ADDI8_RBX !2 # ++options
|
||||
4989DC ; COPY_RBX_to_R12 # save input file
|
||||
|
||||
:root_fs
|
||||
# Get root file system
|
||||
50 ; PUSH_RAX # allocate stack for 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)
|
||||
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)
|
||||
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
|
||||
4C8B0D %image_handle ; LOAD64_into_R9_rel32 %image_handle # 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 # arg3 = &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
|
||||
415D ; POP_R13 # 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
|
||||
4C89E9 ; COPY_R13_to_RCX # arg1 = rootdir
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
FF51 08 ; CALL_RCX_Immediate8 !8 # rootdir->open()
|
||||
85C0 ; TEST_EAX_EAX # if status != EFI_SUCCESS
|
||||
0F85 %abort ; JNE32 %abort # then exit without closing file
|
||||
4C8B6424 28 ; LOAD64_into_R12_from_Address_RSP_Immediate8 !40 # get fin
|
||||
|
||||
# Allocate pool for command
|
||||
52 ; PUSH_RDX # allocate stack for command
|
||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &command
|
||||
31D2 ; XOR_EDX_EDX # zero RDX
|
||||
B6 10 ; LOADI8_DH !0x10 # arg2 = 4096 = 0x1000
|
||||
6A 02 ; PUSH !2
|
||||
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||
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
|
||||
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &commmand)
|
||||
488B5C24 18 ; LOAD64_into_RBX_from_Address_RSP_Immediate8 !24 # get command
|
||||
|
||||
:next_command
|
||||
31F6 ; XOR_ESI_ESI # i = 0
|
||||
4D31FF ; XOR_R15_R15 # command_length = 0
|
||||
|
||||
:read_command
|
||||
E8 %read_byte ; CALLI32 %read_byte # read another byte c
|
||||
|
||||
3C 0A ; CMPI8_AL !0xa # if c == '\n'
|
||||
74 !read_command_done ; JE8 !read_command_done # then we are done with this command
|
||||
|
||||
3C 20 ; CMPI8_AL !0x20 # if c == ' '
|
||||
75 !read_command_comments ; JNE8 !read_command_comments
|
||||
4D85FF ; TEST_R15_R15 # and command_length == 0
|
||||
75 !read_command_comments ; JNE8 !read_command_comments
|
||||
4989F7 ; COPY_RSI_to_R15 # command_length = i
|
||||
|
||||
:read_command_comments
|
||||
3C 23 ; CMPI8_AL !0x23 # if c == '#' then process comment
|
||||
75 !read_command_store_char ; JNE8 !read_command_store_char # else store char
|
||||
|
||||
:read_command_skip_comment
|
||||
E8 %read_byte ; CALLI32 %read_byte # get another char
|
||||
3C 0A ; CMPI8_AL !0xa # if c == '\n'
|
||||
75 !read_command_skip_comment ; JNE8 !read_command_skip_comment # continue reading until newline
|
||||
|
||||
EB !next_command ; JMP8 !next_command # deal with another line
|
||||
|
||||
:read_command_store_char
|
||||
4801F3 ; ADD_RSI_to_RBX # rbx = &command[i]
|
||||
668903 ; STORE16_AX_into_Address_RBX # command[i] = c
|
||||
4829F3 ; SUB_RSI_from_RBX # rbx = &command[0]
|
||||
4883C6 02 ; ADDI8_RSI !2 # location of the next char
|
||||
EB !read_command ; JMP8 !read_command # continue looping
|
||||
|
||||
:read_command_done
|
||||
4D85FF ; TEST_R15_R15 # if command_length == 0
|
||||
74 !next_command ; JE8 !next_command # deal with another line
|
||||
|
||||
4801F3 ; ADD_RSI_to_RBX # rbx = &command[i]
|
||||
66C703 0000 ; STOREI16_into_Address_RBX @0 # command[i] = 0
|
||||
4829F3 ; SUB_RSI_from_RBX # rbx = &command[0]
|
||||
|
||||
48D1EE ; SHR_RSI # divide i by 2 to go from char to wchar length
|
||||
|
||||
488D15 %prefix ; LEA_RDX_rel %prefix # get prefix " +> "
|
||||
E8 %File_Print ; CALLI32 %File_Print # print it
|
||||
4889DA ; COPY_RBX_to_RDX # get command
|
||||
E8 %File_Print ; CALLI32 %File_Print # print it
|
||||
488D15 %suffix ; LEA_RDX_rel %suffix # get suffix "\n\r"
|
||||
E8 %File_Print ; CALLI32 %File_Print # print it
|
||||
|
||||
# Remove command line options
|
||||
4901DF ; ADD_RBX_to_R15 # go to the space separating command and its options
|
||||
6641C707 0000 ; STOREI16_into_Address_R15 @0 # zero it to hide command line options
|
||||
|
||||
# Open executable file for reading
|
||||
52 ; PUSH_RDX # allocate stack for fcmd
|
||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &fcmd
|
||||
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
|
||||
4989D8 ; COPY_RBX_to_R8 # arg3 = command
|
||||
4C89E9 ; COPY_R13_to_RCX # arg1 = rootdir
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
FF51 08 ; CALL_RCX_Immediate8 !8 # rootdir->open()
|
||||
85C0 ; TEST_EAX_EAX # if status != EFI_SUCCESS
|
||||
0F85 %print_error ; JNE32 %print_error # then exit
|
||||
4883C4 28 ; ADDI8_RSP !40 # deallocate stack
|
||||
5F ; POP_RDI # get fcmd
|
||||
|
||||
# Restore command line arguments
|
||||
6641C707 2000 ; STOREI16_into_Address_R15 @0x20 # restore command line options by readding ' '
|
||||
|
||||
# Allocate pool for file_info
|
||||
52 ; PUSH_RDX # allocate stack for file_info
|
||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_info
|
||||
31D2 ; XOR_EDX_EDX # zero RDX
|
||||
B6 10 ; LOADI8_DH !0x10 # arg2 = 4096 = 0x1000
|
||||
6A 02 ; PUSH !2
|
||||
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||
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
|
||||
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 4096, &commmand)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
4159 ; POP_R9 # get file_info (arg4 for get_info)
|
||||
|
||||
# Get file info
|
||||
4151 ; PUSH_R9 # save file_info
|
||||
50 ; PUSH_RAX # allocate stack for file_size
|
||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &file_size
|
||||
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)
|
||||
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)
|
||||
52 ; PUSH_RDX # push first 64 bits onto stack
|
||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
FF51 40 ; CALL_RCX_Immediate8 !64 # fcmd->get_info(fcmd, &guid, &file_size, file_info)
|
||||
4883C4 38 ; ADDI8_RSP !56 # deallocate stack
|
||||
59 ; POP_RCX # restore file_info
|
||||
488B51 08 ; LOAD64_into_RDX_from_Address_RCX_Immediate8 !8 # get file_size
|
||||
|
||||
# Free file_info pool
|
||||
52 ; PUSH_RDX # save file_size onto stack
|
||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(file_info)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
5A ; POP_RDX # restore file_size from stack (arg2 for allocate_pool)
|
||||
|
||||
# Allocate pool for executable
|
||||
52 ; PUSH_RDX # save file_size onto stack
|
||||
52 ; PUSH_RDX # allocate stack for executable
|
||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &executable
|
||||
6A 02 ; PUSH !2
|
||||
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||
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
|
||||
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, file_size, &executable)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
415F ; POP_R15 # get executable
|
||||
5A ; POP_RDX # restore file_size
|
||||
|
||||
# Load executable into memory
|
||||
52 ; PUSH_RDX # save file_size onto stack
|
||||
4D89F8 ; COPY_R15_to_R8 # arg3 = executable
|
||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &file_size
|
||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
||||
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 # fcmd->read(fcmd, &file_size, executable)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
|
||||
# Close fcmd
|
||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
4889F9 ; COPY_RDI_to_RCX # arg1 = fcmd
|
||||
FF51 10 ; CALL_RCX_Immediate8 !16 # fcmd->close(fcmd)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
|
||||
5F ; POP_RDI # restore file_size
|
||||
|
||||
# Allocate memory for device_path struct
|
||||
52 ; PUSH_RDX # allocate stack for device_path
|
||||
4989E0 ; COPY_RSP_to_R8 # arg3 = &device_path
|
||||
6A 1C ; PUSH !28 # 4 + sizeof(struct efi_device_path_protocol)
|
||||
5A ; POP_RDX # arg2 = 28
|
||||
6A 02 ; PUSH !2
|
||||
59 ; POP_RCX # arg1 = EFI_LOADER_DATA
|
||||
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
|
||||
41FF56 40 ; CALL_R14_Immediate8 !64 # system->boot->allocate_pool(EFI_LOADER_DATA, 28, &device_path)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
4158 ; POP_R8 # get device_path
|
||||
|
||||
# Initialize struct
|
||||
4C89C0 ; COPY_R8_to_RAX # Make a pointer to device_path members
|
||||
C600 01 ; STOREI8_into_Address_RAX !1 # device_path->type = HARDWARE_DEVICE_PATH
|
||||
48FFC0 ; INC_RAX # next member
|
||||
C600 03 ; STOREI8_into_Address_RAX !3 # device_path->subtype = MEMORY_MAPPED
|
||||
48FFC0 ; INC_RAX # next member
|
||||
66C700 1800 ; STOREI16_into_Address_RAX @24 # device_path->length = 24
|
||||
4883C0 02 ; ADDI8_RAX !2 # next member
|
||||
C700 01000000 ; STOREI32_into_Address_RAX %1 # device_path->memory_type = EFI_LOADER_CODE
|
||||
4883C0 04 ; ADDI8_RAX !4 # next member
|
||||
4C8938 ; STORE64_R15_into_Address_RAX # device_path->start_address = executable
|
||||
4883C0 08 ; ADDI8_RAX !8 # next member
|
||||
4901FF ; ADD_RDI_to_R15 # end_address = executable + file_size
|
||||
4C8938 ; STORE64_R15_into_Address_RAX # device_path->end_address = end_address
|
||||
4929FF ; SUB_RDI_from_R15 # restore r15 = executable
|
||||
4883C0 08 ; ADDI8_RAX !8 # next member
|
||||
C600 7F ; STOREI8_into_Address_RAX !0x7f # device_path[1].type = END_HARDWARE_DEVICE_PATH
|
||||
48FFC0 ; INC_RAX # next member
|
||||
C600 FF ; STOREI8_into_Address_RAX !0xff # device_path[1].subtype = END_ENTIRE_DEVICE_PATH
|
||||
48FFC0 ; INC_RAX # next member
|
||||
66C700 0400 ; STOREI16_into_Address_RAX @4 # device_path[1].length = 4
|
||||
|
||||
# Load image
|
||||
4150 ; PUSH_R8 # save device_path
|
||||
50 ; PUSH_RAX # allocate stack for child_ih
|
||||
54 ; PUSH_RSP # arg6 = &child_ih
|
||||
57 ; PUSH_RDI # arg5 = file size
|
||||
4D89F9 ; COPY_R15_to_R9 # arg4 = executable
|
||||
# arg3 = device_path
|
||||
488B15 %image_handle ; LOAD64_into_RDX_rel32 %image_handle # arg2 = image_handle
|
||||
31C9 ; XOR_ECX_ECX # arg1 = 0
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
41FF96 C8000000 ; CALL_R14_Immediate32 %200 # system->boot->load_image()
|
||||
4883C4 30 ; ADDI8_RSP !48 # deallocate stack
|
||||
5F ; POP_RDI # save child_ih
|
||||
|
||||
# Free device_path pool
|
||||
59 ; POP_RCX # arg1 = device_path
|
||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(device_path)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
|
||||
# Free executable pool
|
||||
4C89F9 ; COPY_R15_to_RCX # arg1 = executable
|
||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(executable)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
|
||||
# Open Child Image
|
||||
50 ; PUSH_RAX # allocate stack for 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)
|
||||
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)
|
||||
52 ; PUSH_RDX # push first 64 bits onto
|
||||
4889E2 ; COPY_RSP_to_RDX # arg2 = &guid
|
||||
6A 01 ; PUSH !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||
6A 00 ; PUSH !0 # arg5 = NULL
|
||||
4989F9 ; COPY_RDI_to_R9 # arg4 = child_ih
|
||||
4889F9 ; COPY_RDI_to_RCX # arg1 = child_ih
|
||||
4883EC 20 ; SUBI8_RSP !32 # allocate shadow stack space for UEFI function
|
||||
41FF96 18010000 ; CALL_R14_Immediate32 %280 # system->boot->open_protocol(child_ih, &guid, &child_image, child_ih, 0, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL)
|
||||
4883C4 40 ; ADDI8_RSP !64 # deallocate stack
|
||||
58 ; POP_RAX # get child_image
|
||||
|
||||
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
|
||||
488B0D %image ; LOADI64_rel_RCX %image # get image
|
||||
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
|
||||
|
||||
# Run command
|
||||
4D31C0 ; XOR_R8_R8 # arg3 = 0 (ExitData)
|
||||
31D2 ; XOR_EDX_EDX # arg2 = 0 (ExitData size)
|
||||
4889F9 ; COPY_RDI_to_RCX # arg1 = child_ih
|
||||
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
|
||||
41FF96 D0000000 ; CALL_R14_Immediate32 %208 # system->boot->start_image()
|
||||
59 ; POP_RCX # deallocate stack
|
||||
59 ; POP_RCX # deallocate stack
|
||||
59 ; POP_RCX # deallocate stack
|
||||
|
||||
85C0 ; TEST_EAX_EAX # check if return code is 0
|
||||
75 !print_error ; JNE8 !print_error # print error and exit
|
||||
E9 %next_command ; JMP32 %next_command # process another line from kaem script
|
||||
|
||||
:print_error
|
||||
50 ; PUSH_RAX # save exit code
|
||||
488B15 %subprocess_error ; LOAD64_into_RDX_rel32 %subprocess_error # get error message
|
||||
E8 %File_Print ; CALLI32 %File_Print # print it
|
||||
58 ; POP_RAX # restore exit code
|
||||
|
||||
# Close script file and exit
|
||||
:terminate
|
||||
# Free pool
|
||||
4889C3 ; COPY_RBX_to_RCX # arg1 = command
|
||||
50 ; PUSH_RAX # save exit code
|
||||
50 ; PUSH_RAX # allocate shadow stack space for UEFI function
|
||||
41FF56 48 ; CALL_R14_Immediate8 !72 # system->boot->free_pool(commmand)
|
||||
|
||||
4C89E1 ; COPY_R12_to_RCX # arg1 = fin
|
||||
FF51 10 ; CALL_RCX_Immediate8 !16 # fin->close(fin)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # restore exit code
|
||||
|
||||
# Exit without closing script file
|
||||
:abort
|
||||
4889EC ; COPY_RBP_to_RSP # restore stack
|
||||
C3 ; RET
|
||||
|
||||
:File_Print
|
||||
488B0D %system_out ; LOADI64_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
|
||||
FF51 08 ; CALL_RCX_Immediate8 !8 # system->out->output_string(system->out, WCHAR*)
|
||||
58 ; POP_RAX # deallocate stack
|
||||
58 ; POP_RAX # deallocate stack
|
||||
C3 ; RET
|
||||
|
||||
# read_byte function
|
||||
# reads a single character
|
||||
:read_byte
|
||||
4C89E1 ; COPY_R12_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 = &c
|
||||
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 c to rax
|
||||
59 ; POP_RCX # save size to rcx
|
||||
|
||||
# If the file ended (0 bytes read) terminate
|
||||
85C9 ; TEST_ECX_ECX # if size = 0
|
||||
74 !terminate ; JE8 !terminate # then we are done
|
||||
|
||||
C3 ; RET # return
|
||||
|
||||
|
||||
# Protocol GUIDs
|
||||
:LOADED_IMAGE_PROTOCOL
|
||||
A1 31 1B 5B ; %0x5b1b31a1:SIMPLE_FS_PROTOCOL
|
||||
62 95 ; @0x9562 22 5B 4E 96 ; %0x0964e5b22
|
||||
D2 11 ; @0x11d2 59 64 ; @0x6459
|
||||
:LOADED_IMAGE_PROTOCOL_8
|
||||
8E 3F 00 A0 C9 69 72 3B ; !0x8e !0x3f !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||
|
||||
:SIMPLE_FS_PROTOCOL
|
||||
22 5B 4E 96 ; %0x0964e5b22
|
||||
59 64 ; @0x6459
|
||||
D2 11 ; @0x11d2
|
||||
:SIMPLE_FS_PROTOCOL_8
|
||||
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||
|
||||
:FILE_INFO_PROTOCOL
|
||||
92 6E 57 09 ; %0x09576e92
|
||||
3F 6D ; @0x6d3f
|
||||
D2 11 ; @0x11d2
|
||||
# last 64-bits of GUID are identical to SIMPLE_FS_PROTOCOL
|
||||
|
||||
:default_file
|
||||
6B 00 61 00 65 00 6D 00 2E 00 61 00 6D 00 64 00 36 00 34 00 00 00 ; L"kaem.amd64"
|
||||
|
||||
:prefix
|
||||
20 00 2B 00 3E 00 20 00 00 00 ; L" +> "
|
||||
|
||||
:subprocess_error
|
||||
53 00 75 00 62 00 70 00 72 00 6F 00 63 00 65 00
|
||||
73 00 73 00 20 00 65 00 72 00 72 00 6F 00 72 00
|
||||
:suffix
|
||||
0A 00 0D 00 00 00 ; L"Subprocess error\n\r"
|
||||
|
||||
:image_handle
|
||||
00 00 00 00 00 00 00 00
|
||||
|
||||
:image
|
||||
00 00 00 00 00 00 00 00
|
||||
|
||||
:system_out
|
||||
00 00 00 00 00 00 00 00
|
||||
|
||||
:PE32_end
|
||||
|
|
@ -0,0 +1,130 @@
|
|||
# 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"
|
||||
%PE32_end>PE32_text ; VirtualSize
|
||||
00 10 00 00 ; VirtualAddress
|
||||
%PE32_end>PE32_text ; 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]
|
||||
|
||||
:PE32_text
|
||||
|
|
@ -412,4 +412,4 @@ A3 01 00 00 ; SizeOfRawData
|
|||
# :SIMPLE_FS_PROTOCOL_8 [_start+0x19B]
|
||||
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||
|
||||
# [0x1A3]
|
||||
# :PE32_end [_start+0x1A3]
|
||||
|
|
|
|||
Loading…
Reference in New Issue