Fix a bug in kaem read_byte function.
This commit is contained in:
parent
0400521170
commit
a4905777c9
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@ -87,7 +87,6 @@ DEFINE push_rax 50
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DEFINE push_rbx 53
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DEFINE push_rbx 53
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DEFINE push_rdi 57
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DEFINE push_rdi 57
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DEFINE push_rdx 52
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DEFINE push_rdx 52
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DEFINE push_rsi 56
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DEFINE push_rsp 54
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DEFINE push_rsp 54
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DEFINE push_r8 4150
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DEFINE push_r8 4150
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DEFINE ret C3
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DEFINE ret C3
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@ -461,7 +460,7 @@ DEFINE xor_r15,r15 4D31FF
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mov_rcx,r12 # arg1 = fin
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mov_rcx,r12 # arg1 = fin
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push !1 # size = 1
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push !1 # size = 1
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mov_rdx,rsp # arg2 = &size
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mov_rdx,rsp # arg2 = &size
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push_rsi # allocate stack
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push !0 # allocate stack
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mov_r8,rsp # arg3 = &c
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mov_r8,rsp # arg3 = &c
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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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push_rax # allocate shadow stack space for UEFI function
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@ -362,7 +362,7 @@ read_byte:
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mov rcx, r12 # arg1 = fin
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mov rcx, r12 # arg1 = fin
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push 1 # size = 1
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push 1 # size = 1
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mov rdx, rsp # arg2 = &size
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mov rdx, rsp # arg2 = &size
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push rsi # allocate stack
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push 0 # allocate stack
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mov r8, rsp # arg3 = &c
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mov r8, rsp # arg3 = &c
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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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push rax # allocate shadow stack space for UEFI function
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@ -356,7 +356,7 @@
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4C89E1 ; mov_rcx,r12 # arg1 = fin
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4C89E1 ; mov_rcx,r12 # arg1 = fin
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6A 01 ; push !1 # size = 1
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6A 01 ; push !1 # size = 1
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4889E2 ; mov_rdx,rsp # arg2 = &size
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4889E2 ; mov_rdx,rsp # arg2 = &size
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56 ; push_rsi # allocate stack
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6A 00 ; push !0 # allocate stack
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4989E0 ; mov_r8,rsp # arg3 = &c
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4989E0 ; mov_r8,rsp # arg3 = &c
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50 ; push_rax # allocate shadow stack space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function
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@ -42,7 +42,7 @@ F0 00 # SizeOfOptionalHeader
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00 00 # Linker version
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00 00 # Linker version
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00 00 00 00 # size of code
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00 00 00 00 # size of code
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00 00 00 00 # sizeOfInitializedData
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00 00 00 00 # sizeOfInitializedData
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00 00 00 00 # SizeOfUninitializedData
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2B 00 00 00 # SizeOfUninitializedData
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00 10 00 00 # AddressOfEntryPoint
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00 10 00 00 # AddressOfEntryPoint
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00 10 00 00 # BaseOfCode
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00 10 00 00 # BaseOfCode
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00 00 00 80 01 00 00 00 # ImageBase
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00 00 00 80 01 00 00 00 # ImageBase
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@ -120,9 +120,9 @@ F0 00 # SizeOfOptionalHeader
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# [0x148]
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# [0x148]
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# Start of section headers
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# Start of section headers
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00 00 00 00 00 00 00 00 ; Name of the section (empty) but could set to ".text"
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00 00 00 00 00 00 00 00 ; Name of the section (empty) but could set to ".text"
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18 04 00 00 ; VirtualSize
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19 04 00 00 ; VirtualSize
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00 10 00 00 ; VirtualAddress
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00 10 00 00 ; VirtualAddress
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18 04 00 00 ; SizeOfRawData
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EE 03 00 00 ; SizeOfRawData
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70 01 00 00 ; PointerToRawData
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70 01 00 00 ; PointerToRawData
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00 00 00 00 ; PointerToRelocations
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00 00 00 00 ; PointerToRelocations
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00 00 00 00 ; PointerToLinenumbers
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00 00 00 00 ; PointerToLinenumbers
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@ -137,10 +137,10 @@ F0 00 # SizeOfOptionalHeader
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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 ; mov_rbp,rsp # save stack pointer
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4889E5 ; mov_rbp,rsp # save stack pointer
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48890D E6030000 ; mov_[rip+DWORD],rcx %image_handle # save image_handle
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48890D E7030000 ; mov_[rip+DWORD],rcx %image_handle # save image_handle
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4889CB ; mov_rbx,rcx # save image_handle
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4889CB ; mov_rbx,rcx # save image_handle
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488B42 40 ; mov_rax,[rdx+BYTE] !64 # system->out
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488B42 40 ; mov_rax,[rdx+BYTE] !64 # system->out
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488905 F8030000 ; mov_[rip+DWORD],rax %system_out # save system->out
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488905 F9030000 ; mov_[rip+DWORD],rax %system_out # save system->out
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4C8B72 60 ; mov_r14,[rdx+BYTE] !96 # system->boot
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4C8B72 60 ; mov_r14,[rdx+BYTE] !96 # system->boot
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31C9 ; xor_ecx,ecx # timeout = 0
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31C9 ; xor_ecx,ecx # timeout = 0
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@ -152,22 +152,22 @@ F0 00 # SizeOfOptionalHeader
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# Open Loaded Image protocol
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# Open Loaded Image protocol
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4989D9 ; mov_r9,rbx # arg4 = image_handle
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4989D9 ; mov_r9,rbx # arg4 = image_handle
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488D15 3F030000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
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488D15 40030000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
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4889D9 ; mov_rcx,rbx # arg1 = image_handle
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4889D9 ; mov_rcx,rbx # arg1 = image_handle
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E8 F6020000 ; call %open_protocol # open protocol
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E8 F7020000 ; call %open_protocol # open protocol
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4889C7 ; mov_rdi,rax # save image
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4889C7 ; mov_rdi,rax # save image
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488905 AB030000 ; mov_[rip+DWORD],rax %image # save image
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488905 AC030000 ; mov_[rip+DWORD],rax %image # save image
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# Get root file system
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# Get root file system
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4989D9 ; mov_r9,rbx # arg4 = image_handle
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4989D9 ; mov_r9,rbx # arg4 = image_handle
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488D15 33030000 ; lea_rdx,[rip+DWORD] %SIMPLE_FS_PROTOCOL # guid = &SIMPLE_FS_PROTOCOL
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488D15 34030000 ; lea_rdx,[rip+DWORD] %SIMPLE_FS_PROTOCOL # guid = &SIMPLE_FS_PROTOCOL
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488B4F 18 ; mov_rcx,[rdi+BYTE] !24 # arg1 = root_device = image->device
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488B4F 18 ; mov_rcx,[rdi+BYTE] !24 # arg1 = root_device = image->device
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48890D A6030000 ; mov_[rip+DWORD],rcx %root_device # save root_device
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48890D A7030000 ; mov_[rip+DWORD],rcx %root_device # save root_device
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E8 D2020000 ; call %open_protocol # open protocol
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E8 D3020000 ; call %open_protocol # open protocol
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4889C1 ; mov_rcx,rax # get rootfs
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4889C1 ; mov_rcx,rax # get rootfs
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# Get root directory
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# Get root directory
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488D15 8F030000 ; lea_rdx,[rip+DWORD] %rootdir # arg2 = &rootdir
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488D15 90030000 ; lea_rdx,[rip+DWORD] %rootdir # arg2 = &rootdir
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50 ; push_rax # allocate shadow stack space for UEFI function space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function space for UEFI function
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50 ; push_rax # allocate shadow stack space for UEFI function space for UEFI function
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FF51 08 ; call_[rcx+BYTE] !8 # rootfs->open_volume(rootfs, &rootdir)
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FF51 08 ; call_[rcx+BYTE] !8 # rootfs->open_volume(rootfs, &rootdir)
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@ -196,7 +196,7 @@ F0 00 # SizeOfOptionalHeader
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4D85C0 ; test_r8,r8 # Check if argument is specified
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4D85C0 ; test_r8,r8 # Check if argument is specified
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75 07 ; jne8 !arg_done # then use it
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75 07 ; jne8 !arg_done # then use it
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# Else use default_file
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# Else use default_file
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4C8D05 FE020000 ; lea_r8,[rip+DWORD] %default_file # Use "kaem.amd64"
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4C8D05 FF020000 ; lea_r8,[rip+DWORD] %default_file # Use "kaem.amd64"
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# :arg_done [_start+0xAC]
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# :arg_done [_start+0xAC]
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# Open file for reading
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# Open file for reading
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@ -206,7 +206,7 @@ F0 00 # SizeOfOptionalHeader
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6A 01 ; push !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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6A 01 ; push !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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4159 ; pop_r9 # arg4 = EFI_FILE_MODE_READ
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4159 ; pop_r9 # arg4 = EFI_FILE_MODE_READ
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# arg3 = in
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# arg3 = in
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488B0D 43030000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
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488B0D 44030000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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FF51 08 ; call_[rcx+BYTE] !8 # rootdir->open()
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FF51 08 ; call_[rcx+BYTE] !8 # rootdir->open()
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85C0 ; test_eax,eax # if status != EFI_SUCCESS
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85C0 ; test_eax,eax # if status != EFI_SUCCESS
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@ -216,7 +216,7 @@ F0 00 # SizeOfOptionalHeader
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# Allocate pool for command
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# Allocate pool for command
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31D2 ; xor_edx,edx # zero RDX
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31D2 ; xor_edx,edx # zero RDX
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B6 10 ; mov_dh, !0x10 # arg2 = 4096 = 0x1000
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B6 10 ; mov_dh, !0x10 # arg2 = 4096 = 0x1000
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E8 8B020000 ; call %allocate_pool # allocate memory
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E8 8C020000 ; call %allocate_pool # allocate memory
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4889C3 ; mov_rbx,rax # get command
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4889C3 ; mov_rbx,rax # get command
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# :next_command [_start+0xDD]
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# :next_command [_start+0xDD]
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@ -263,11 +263,11 @@ F0 00 # SizeOfOptionalHeader
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4883C6 02 ; add_rsi, !2 # add 2 to get string length with NULL terminator
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4883C6 02 ; add_rsi, !2 # add 2 to get string length with NULL terminator
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488D15 90020000 ; lea_rdx,[rip+DWORD] %prefix # get prefix " +> "
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488D15 91020000 ; lea_rdx,[rip+DWORD] %prefix # get prefix " +> "
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E8 D9010000 ; call %File_Print # print it
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E8 D9010000 ; call %File_Print # print it
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4889DA ; mov_rdx,rbx # get command
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4889DA ; mov_rdx,rbx # get command
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E8 D1010000 ; call %File_Print # print it
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E8 D1010000 ; call %File_Print # print it
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488D15 A6020000 ; lea_rdx,[rip+DWORD] %suffix # get suffix "\n\r"
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488D15 A7020000 ; lea_rdx,[rip+DWORD] %suffix # get suffix "\n\r"
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E8 C5010000 ; call %File_Print # print it
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E8 C5010000 ; call %File_Print # print it
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# Remove command line options
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# Remove command line options
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@ -281,7 +281,7 @@ F0 00 # SizeOfOptionalHeader
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6A 01 ; push !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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6A 01 ; push !1 # prepare to set arg4 to EFI_FILE_MODE_READ
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4159 ; pop_r9 # arg4 = EFI_FILE_MODE_READ
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4159 ; pop_r9 # arg4 = EFI_FILE_MODE_READ
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4989D8 ; mov_r8,rbx # arg3 = command
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4989D8 ; mov_r8,rbx # arg3 = command
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488B0D 9A020000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
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488B0D 9B020000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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FF51 08 ; call_[rcx+BYTE] !8 # rootdir->open()
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FF51 08 ; call_[rcx+BYTE] !8 # rootdir->open()
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85C0 ; test_eax,eax # if status != EFI_SUCCESS
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85C0 ; test_eax,eax # if status != EFI_SUCCESS
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@ -295,7 +295,7 @@ F0 00 # SizeOfOptionalHeader
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# Allocate pool for file_info
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# Allocate pool for file_info
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31D2 ; xor_edx,edx # zero RDX
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31D2 ; xor_edx,edx # zero RDX
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B6 10 ; mov_dh, !0x10 # arg2 = 4096 = 0x1000
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B6 10 ; mov_dh, !0x10 # arg2 = 4096 = 0x1000
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E8 DC010000 ; call %allocate pool # allocate memory
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E8 DD010000 ; call %allocate pool # allocate memory
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4989C1 ; mov_r9,rax # get file_info (arg4 for get_info)
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4989C1 ; mov_r9,rax # get file_info (arg4 for get_info)
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# Get file info
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# Get file info
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@ -303,7 +303,7 @@ F0 00 # SizeOfOptionalHeader
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50 ; push_rax # allocate stack for file_size
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50 ; push_rax # allocate stack for file_size
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4989E0 ; mov_r8,rsp # arg3 = &file_size
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4989E0 ; mov_r8,rsp # arg3 = &file_size
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49C700 00100000 ; mov_[r8], %0x1000 # file_size = 0x1000
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49C700 00100000 ; mov_[r8], %0x1000 # file_size = 0x1000
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488D15 FB010000 ; lea_rdx,[rip+DWORD] %FILE_INFO_PROTOCOL # arg2 = &EFI_FILE_INFO_PROTOCOL
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488D15 FC010000 ; lea_rdx,[rip+DWORD] %FILE_INFO_PROTOCOL # arg2 = &EFI_FILE_INFO_PROTOCOL
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4889F9 ; mov_rcx,rdi # arg1 = fcmd
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4889F9 ; mov_rcx,rdi # arg1 = fcmd
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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FF51 40 ; call_[rcx+BYTE] !64 # fcmd->get_info(fcmd, &guid, &file_size, file_info)
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FF51 40 ; call_[rcx+BYTE] !64 # fcmd->get_info(fcmd, &guid, &file_size, file_info)
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@ -320,7 +320,7 @@ F0 00 # SizeOfOptionalHeader
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# Allocate pool for executable [_start+0x1BA]
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# Allocate pool for executable [_start+0x1BA]
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52 ; push_rdx # save file_size onto stack
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52 ; push_rdx # save file_size onto stack
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E8 A5010000 ; call %allocate_pool # allocate memory
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E8 A6010000 ; call %allocate_pool # allocate memory
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4989C7 ; mov_r15,rax # get executable
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4989C7 ; mov_r15,rax # get executable
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5A ; pop_rdx # restore file_size
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5A ; pop_rdx # restore file_size
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@ -348,7 +348,7 @@ F0 00 # SizeOfOptionalHeader
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# Allocate memory for device_path struct
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# Allocate memory for device_path struct
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6A 1C ; push !28 # 4 + sizeof(struct efi_device_path_protocol)
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6A 1C ; push !28 # 4 + sizeof(struct efi_device_path_protocol)
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5A ; pop_rdx # arg2 = 28
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5A ; pop_rdx # arg2 = 28
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E8 7D010000 ; call %allocate_pool # allocate memory
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E8 7E010000 ; call %allocate_pool # allocate memory
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4989C0 ; mov_r8,rax # get device_path
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4989C0 ; mov_r8,rax # get device_path
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# Initialize struct
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# Initialize struct
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@ -379,7 +379,7 @@ F0 00 # SizeOfOptionalHeader
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57 ; push_rdi # arg5 = file size
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57 ; push_rdi # arg5 = file size
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4D89F9 ; mov_r9,r15 # arg4 = executable
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4D89F9 ; mov_r9,r15 # arg4 = executable
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# arg3 = device_path
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# arg3 = device_path
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488B15 B2010000 ; mov_rdx,[rip+DWORD] %image_handle # arg2 = image_handle
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488B15 B3010000 ; mov_rdx,[rip+DWORD] %image_handle # arg2 = image_handle
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31C9 ; xor_ecx,ecx # arg1 = 0
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31C9 ; xor_ecx,ecx # arg1 = 0
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
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41FF96 C8000000 ; call_[r14+DWORD] %200 # system->boot->load_image()
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41FF96 C8000000 ; call_[r14+DWORD] %200 # system->boot->load_image()
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@ -400,21 +400,21 @@ F0 00 # SizeOfOptionalHeader
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# Open Child Image [_start+0x260]
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# Open Child Image [_start+0x260]
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4989F9 ; mov_r9,rdi # arg4 = child_ih
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4989F9 ; mov_r9,rdi # arg4 = child_ih
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488D15 10010000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
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488D15 11010000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
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52 ; push_rdx # save &LOADED_IMAGE_PROTOCOL
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52 ; push_rdx # save &LOADED_IMAGE_PROTOCOL
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4C89C9 ; mov_rcx,r9 # arg1 = child_ih
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4C89C9 ; mov_rcx,r9 # arg1 = child_ih
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E8 C6000000 ; call %open_protocol # open protocol
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E8 C7000000 ; call %open_protocol # open protocol
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488958 38 ; mov_[rax+BYTE],rbx !56 # child_image->load_options = command
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488958 38 ; mov_[rax+BYTE],rbx !56 # child_image->load_options = command
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488970 30 ; mov_[rax+BYTE],rsi !48 # set child_image->load_options_size
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488970 30 ; mov_[rax+BYTE],rsi !48 # set child_image->load_options_size
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488B0D 76010000 ; mov_rcx,[rip+DWORD] %image # get image
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488B0D 77010000 ; mov_rcx,[rip+DWORD] %image # get image
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488B49 18 ; mov_rcx,[rcx+BYTE] !24 # image->device
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488B49 18 ; mov_rcx,[rcx+BYTE] !24 # image->device
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488948 18 ; mov_[rax+BYTE],rcx !24 # child_image->device = image->device
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488948 18 ; mov_[rax+BYTE],rcx !24 # child_image->device = image->device
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4989F8 ; mov_r8,rdi # arg3 = image_handle
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4989F8 ; mov_r8,rdi # arg3 = image_handle
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5A ; pop_rdx # arg2 = &LOADED_IMAGE_PROTOCOL
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5A ; pop_rdx # arg2 = &LOADED_IMAGE_PROTOCOL
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4C89C1 ; mov_rcx,r8 # arg1 = image_handle
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4C89C1 ; mov_rcx,r8 # arg1 = image_handle
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E8 BC000000 ; call %close_protocol # close protocol
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E8 BD000000 ; call %close_protocol # close protocol
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# Run command
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# Run command
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4D31C0 ; xor_r8,r8 # arg3 = 0 (ExitData)
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4D31C0 ; xor_r8,r8 # arg3 = 0 (ExitData)
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@ -434,7 +434,7 @@ F0 00 # SizeOfOptionalHeader
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# :print_error [_start+0x2B4]
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# :print_error [_start+0x2B4]
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50 ; push_rax # save exit code
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50 ; push_rax # save exit code
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488D15 0E010000 ; lea_rdx,[rip+DWORD] %subprocess_error # get error message
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488D15 0F010000 ; lea_rdx,[rip+DWORD] %subprocess_error # get error message
|
||||||
E8 4D000000 ; call %File_Print # print it
|
E8 4D000000 ; call %File_Print # print it
|
||||||
58 ; pop_rax # restore exit code
|
58 ; pop_rax # restore exit code
|
||||||
|
|
||||||
|
@ -449,7 +449,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
4C89E1 ; mov_rcx,r12 # arg1 = fin
|
4C89E1 ; mov_rcx,r12 # arg1 = fin
|
||||||
FF51 10 ; call_[rcx+BYTE] !16 # fin->close(fin)
|
FF51 10 ; call_[rcx+BYTE] !16 # fin->close(fin)
|
||||||
|
|
||||||
488B0D 28010000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
|
488B0D 29010000 ; mov_rcx,[rip+DWORD] %rootdir # arg1 = rootdir
|
||||||
FF51 10 ; call_[rcx+BYTE] !16 # rootdir->close(rootdir)
|
FF51 10 ; call_[rcx+BYTE] !16 # rootdir->close(rootdir)
|
||||||
|
|
||||||
58 ; pop_rax # deallocate stack
|
58 ; pop_rax # deallocate stack
|
||||||
|
@ -457,23 +457,23 @@ F0 00 # SizeOfOptionalHeader
|
||||||
|
|
||||||
# Exit without closing script file
|
# Exit without closing script file
|
||||||
# :terminate_2 [_start+0x2DD]
|
# :terminate_2 [_start+0x2DD]
|
||||||
4C8B05 0C010000 ; mov_r8,[rip+DWORD] %image_handle # arg3 = image_handle
|
4C8B05 0D010000 ; mov_r8,[rip+DWORD] %image_handle # arg3 = image_handle
|
||||||
4150 ; push_r8 # save image_handle
|
4150 ; push_r8 # save image_handle
|
||||||
488D15 9D000000 ; lea_rdx,[rip+DWORD] %SIMPLE_FS_PROTOCOL # guid = &SIMPLE_FS_PROTOCOL
|
488D15 9E000000 ; lea_rdx,[rip+DWORD] %SIMPLE_FS_PROTOCOL # guid = &SIMPLE_FS_PROTOCOL
|
||||||
488B0D 14010000 ; mov_rcx,[rip+DWORD] %root_device # arg1 = root_device
|
488B0D 15010000 ; mov_rcx,[rip+DWORD] %root_device # arg1 = root_device
|
||||||
E8 59000000 ; call %close_protocol # close protocol
|
E8 5A000000 ; call %close_protocol # close protocol
|
||||||
|
|
||||||
4158 ; pop_r8 # arg3 = image_handle
|
4158 ; pop_r8 # arg3 = image_handle
|
||||||
488D15 78000000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
|
488D15 79000000 ; lea_rdx,[rip+DWORD] %LOADED_IMAGE_PROTOCOL # guid = &LOADED_IMAGE_PROTOCOL
|
||||||
4C89C1 ; mov_rcx,r8 # arg1 = image_handle
|
4C89C1 ; mov_rcx,r8 # arg1 = image_handle
|
||||||
E8 48000000 ; call %close_protocol # close protocol
|
E8 49000000 ; call %close_protocol # close protocol
|
||||||
|
|
||||||
# :abort [_start+0x30A]
|
# :abort [_start+0x30A]
|
||||||
4889EC ; mov_rsp,rbp # restore stack
|
4889EC ; mov_rsp,rbp # restore stack
|
||||||
C3 ; ret # return to UEFI
|
C3 ; ret # return to UEFI
|
||||||
|
|
||||||
# :File_Print [_start+0x30E]
|
# :File_Print [_start+0x30E]
|
||||||
488B0D FB000000 ; mov_rcx,[rip+DWORD] %system_out # get system_out
|
488B0D FC000000 ; mov_rcx,[rip+DWORD] %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 for UEFI function
|
50 ; push_rax # allocate shadow stack space for UEFI function for UEFI function
|
||||||
FF51 08 ; call_[rcx+BYTE] !8 # system->out->output_string(system->out, WCHAR*)
|
FF51 08 ; call_[rcx+BYTE] !8 # system->out->output_string(system->out, WCHAR*)
|
||||||
|
@ -487,7 +487,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
4C89E1 ; mov_rcx,r12 # arg1 = fin
|
4C89E1 ; mov_rcx,r12 # arg1 = fin
|
||||||
6A 01 ; push !1 # size = 1
|
6A 01 ; push !1 # size = 1
|
||||||
4889E2 ; mov_rdx,rsp # arg2 = &size
|
4889E2 ; mov_rdx,rsp # arg2 = &size
|
||||||
56 ; push_rsi # allocate stack
|
6A 00 ; push !0 # allocate stack
|
||||||
4989E0 ; mov_r8,rsp # arg3 = &c
|
4989E0 ; mov_r8,rsp # 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
|
50 ; push_rax # allocate shadow stack space for UEFI function
|
||||||
|
@ -501,7 +501,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
|
|
||||||
# If the file ended (0 bytes read) terminate
|
# If the file ended (0 bytes read) terminate
|
||||||
85C9 ; test_ecx,ecx # if size = 0
|
85C9 ; test_ecx,ecx # if size = 0
|
||||||
74 8A ; je8 !terminate # then we are done
|
74 89 ; je8 !terminate # then we are done
|
||||||
|
|
||||||
C3 ; ret # return
|
C3 ; ret # return
|
||||||
|
|
||||||
|
@ -509,7 +509,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
# rdx: &guid
|
# rdx: &guid
|
||||||
# r9: agent_handle
|
# r9: agent_handle
|
||||||
# returns interface
|
# returns interface
|
||||||
# :open_protocol [_start+0x339]
|
# :open_protocol [_start+0x340]
|
||||||
50 ; push_rax # allocate stack for interface
|
50 ; push_rax # allocate stack for interface
|
||||||
4989E0 ; mov_r8,rsp # arg3 = &interface
|
4989E0 ; mov_r8,rsp # arg3 = &interface
|
||||||
6A 01 ; push !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
6A 01 ; push !1 # arg6 = EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
|
||||||
|
@ -523,7 +523,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
# rcx: handle
|
# rcx: handle
|
||||||
# rdx: &guid
|
# rdx: &guid
|
||||||
# r8: agent_handle
|
# r8: agent_handle
|
||||||
# :close_protocol [_start+0x352]
|
# :close_protocol [_start+0x353]
|
||||||
4D31C9 ; xor_r9,r9 # arg4 = NULL
|
4D31C9 ; xor_r9,r9 # arg4 = NULL
|
||||||
4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
|
4883EC 20 ; sub_rsp, !32 # allocate shadow stack space for UEFI function
|
||||||
41FF96 20010000 ; call_[r14+DWORD] %288 # system->boot->close_protocol(handle, &guid, agent_handle, 0)
|
41FF96 20010000 ; call_[r14+DWORD] %288 # system->boot->close_protocol(handle, &guid, agent_handle, 0)
|
||||||
|
@ -533,7 +533,7 @@ F0 00 # SizeOfOptionalHeader
|
||||||
# rdx: number of bytes to allocate
|
# rdx: number of bytes to allocate
|
||||||
# r14: system->boot
|
# r14: system->boot
|
||||||
# returns pointer in rax
|
# returns pointer in rax
|
||||||
# :allocate_pool [_start+0x365]
|
# :allocate_pool [_start+0x366]
|
||||||
52 ; push_rdx # allocate stack for pool pointer
|
52 ; push_rdx # allocate stack for pool pointer
|
||||||
4989E0 ; mov_r8,rsp # arg3 = &pool
|
4989E0 ; mov_r8,rsp # arg3 = &pool
|
||||||
6A 02 ; push !2
|
6A 02 ; push !2
|
||||||
|
@ -546,49 +546,40 @@ F0 00 # SizeOfOptionalHeader
|
||||||
|
|
||||||
|
|
||||||
# Protocol GUIDs
|
# Protocol GUIDs
|
||||||
# :LOADED_IMAGE_PROTOCOL [_start+0x37A]
|
# :LOADED_IMAGE_PROTOCOL [_start+0x37B]
|
||||||
A1 31 1B 5B ; %0x5b1b31a1:SIMPLE_FS_PROTOCOL
|
A1 31 1B 5B ; %0x5b1b31a1
|
||||||
62 95 ; @0x9562 22 5B 4E 96 ; %0x0964e5b22
|
62 95 ; @0x9562
|
||||||
D2 11 ; @0x11d2 59 64 ; @0x6459
|
D2 11 ; @0x11d2
|
||||||
8E 3F 00 A0 C9 69 72 3B ; !0x8e !0x3f !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
8E 3F 00 A0 C9 69 72 3B ; !0x8e !0x3f !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||||
|
|
||||||
# :SIMPLE_FS_PROTOCOL [_start+0x38A]
|
# :SIMPLE_FS_PROTOCOL [_start+0x38B]
|
||||||
22 5B 4E 96 ; %0x0964e5b22
|
22 5B 4E 96 ; %0x0964e5b22
|
||||||
59 64 ; @0x6459
|
59 64 ; @0x6459
|
||||||
D2 11 ; @0x11d2
|
D2 11 ; @0x11d2
|
||||||
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||||
|
|
||||||
# :FILE_INFO_PROTOCOL [_start+0x39A]
|
# :FILE_INFO_PROTOCOL [_start+0x39B]
|
||||||
92 6E 57 09 ; %0x09576e92
|
92 6E 57 09 ; %0x09576e92
|
||||||
3F 6D ; @0x6d3f
|
3F 6D ; @0x6d3f
|
||||||
D2 11 ; @0x11d2
|
D2 11 ; @0x11d2
|
||||||
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
8E 39 00 A0 C9 69 72 3B ; !0x8e !0x39 !0 !0xa0 !0xc9 !0x69 !0x72 !0x3b
|
||||||
|
|
||||||
# :default_file [_start+0x3AA]
|
# :default_file [_start+0x3AB]
|
||||||
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"
|
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 [_start+0x3C0]
|
# :prefix [_start+0x3C1]
|
||||||
20 00 2B 00 3E 00 20 00 00 00 ; L" +> "
|
20 00 2B 00 3E 00 20 00 00 00 ; L" +> "
|
||||||
|
|
||||||
# :subprocess_error [_start+0x3CA]
|
# :subprocess_error [_start+0x3CB]
|
||||||
53 00 75 00 62 00 70 00 72 00 6F 00 63 00 65 00
|
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
|
73 00 73 00 20 00 65 00 72 00 72 00 6F 00 72 00
|
||||||
# :suffix [_start+0x3EA]
|
# :suffix [_start+0x3EB]
|
||||||
0A 00 0D 00 00 00 ; L"Subprocess error\n\r"
|
0A 00 0D ; L"Subprocess error\n\r"
|
||||||
|
|
||||||
# :image_handle [_start+0x3F0]
|
# :PE32_end [_start+0x3EE]
|
||||||
00 00 00 00 00 00 00 00
|
# :image_handle [_start+0x3F1]
|
||||||
|
# :image [_start+0x3F9]
|
||||||
# :image [_start+0x3F8]
|
# :rootdir [_start+0x401]
|
||||||
00 00 00 00 00 00 00 00
|
# :root_device [_start+0x409]
|
||||||
|
# :system_out [_start+0x411]
|
||||||
# :rootdir [_start+0x400]
|
# :VirtualSizeEnd [_start+0x419]
|
||||||
00 00 00 00 00 00 00 00
|
|
||||||
|
|
||||||
# :root_device [_start+0x408]
|
|
||||||
00 00 00 00 00 00 00 00
|
|
||||||
|
|
||||||
# :system_out [_start+0x410]
|
|
||||||
00 00 00 00 00 00 00 00
|
|
||||||
|
|
||||||
# :PE32_end [_start+0x418]
|
|
||||||
|
|
Loading…
Reference in New Issue