diff options
| author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
| commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
| tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /DuetPkg/BootSector/efi32.S | |
| parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
| download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz | |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'DuetPkg/BootSector/efi32.S')
| -rw-r--r-- | DuetPkg/BootSector/efi32.S | 1176 |
1 files changed, 0 insertions, 1176 deletions
diff --git a/DuetPkg/BootSector/efi32.S b/DuetPkg/BootSector/efi32.S deleted file mode 100644 index ebbc450950..0000000000 --- a/DuetPkg/BootSector/efi32.S +++ /dev/null @@ -1,1176 +0,0 @@ -#------------------------------------------------------------------------------
-#*
-#* Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
-#* This program and the accompanying materials
-#* are licensed and made available under the terms and conditions of the BSD License
-#* which accompanies this distribution. The full text of the license may be found at
-#* http://opensource.org/licenses/bsd-license.php
-#*
-#* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#*
-#* efi32.asm
-#*
-#* Abstract:
-#*
-#------------------------------------------------------------------------------
-
-##############################################################################
-# Now in 32-bit protected mode.
-##############################################################################
-
- .org 0x21000
-
-.global _start
-_start:
-
-.equ DEFAULT_HANDLER_SIZE, INT1 - INT0
-
-.macro jmpCommonIdtEntry
- # jmp commonIdtEntry - this must be hand coded to keep the assembler from
- # using a 8 bit reletive jump when the entries are
- # within 255 bytes of the common entry. This must
- # be done to maintain the consistency of the size
- # of entry points...
- .byte 0xe9 # jmp 16 bit relative
- .long commonIdtEntry - . - 4 # offset to jump to
-.endm
-
-Start:
- movw %bx, %ax
- movw %ax, %ds
- movw %ax, %es
- movw %ax, %fs
- movw %ax, %gs
- movw %ax, %ss
- movl $0x001ffff0, %esp
-
- call ClearScreen
-
- # Populate IDT with meaningful offsets for exception handlers...
- sidt Idtr
-
- movl Halt, %eax
- movl %eax, %ebx # use bx to copy 15..0 to descriptors
- shrl $16, %eax # use ax to copy 31..16 to descriptors
- movl $0x78, %ecx # 78h IDT entries to initialize with unique entry points (exceptions)
- movl (Idtr + 2), %esi
- movl (%esi), %edi
-
-LOOP_1: # loop through all IDT entries exception handlers and initialize to default handler
- movw %bx, (%edi) # write bits 15..0 of offset
- movw $0x20, 2(%edi) # SYS_CODE_SEL from GDT
- movw $(0x0e00 | 0x8000), 4(%edi) # type = 386 interrupt gate, present
- movw %ax, 6(%edi) # write bits 31..16 of offset
- addl $8, %edi # move up to next descriptor
- addw DEFAULT_HANDLER_SIZE, %bx # move to next entry point
- loopl LOOP_1 # loop back through again until all descriptors are initialized
-
- ## at this point edi contains the offset of the descriptor for INT 20
- ## and bx contains the low 16 bits of the offset of the default handler
- ## so initialize all the rest of the descriptors with these two values...
-# mov ecx, 101 ; there are 100 descriptors left (INT 20 (14h) - INT 119 (77h)
-#@@: ; loop through all IDT entries exception handlers and initialize to default handler
-# mov word ptr [edi], bx ; write bits 15..0 of offset
-# mov word ptr [edi+2], 20h ; SYS_CODE_SEL from GDT
-# mov word ptr [edi+4], 0e00h OR 8000h ; type = 386 interrupt gate, present
-# mov word ptr [edi+6], ax ; write bits 31..16 of offset
-# add edi, 8 ; move up to next descriptor
-# loop @b ; loop back through again until all descriptors are initialized
-
-
-## DUMP location of IDT and several of the descriptors
-# mov ecx, 8
-# mov eax, [offset Idtr + 2]
-# mov eax, [eax]
-# mov edi, 0b8000h
-# call PrintDword
-# mov esi, eax
-# mov edi, 0b80a0h
-# jmp OuterLoop
-
-##
-## just for fun, let's do a software interrupt to see if we correctly land in the exception handler...
-# mov eax, 011111111h
-# mov ebx, 022222222h
-# mov ecx, 033333333h
-# mov edx, 044444444h
-# mov ebp, 055555555h
-# mov esi, 066666666h
-# mov edi, 077777777h
-# push 011111111h
-# push 022222222h
-# push 033333333h
-# int 119
-
-
- movl $0x22000, %esi # esi = 22000
- movl 0x14(%esi), %eax # eax = [22014]
- addl %eax, %esi # esi = 22000 + [22014] = Base of EFILDR.C
- movl 0x3c(%esi), %ebp # ebp = [22000 + [22014] + 3c] = NT Image Header for EFILDR.C
- addl %esi, %ebp
- movl 0x34(%ebp), %edi # edi = [[22000 + [22014] + 3c] + 30] = ImageBase
- movl 0x28(%ebp), %eax # eax = [[22000 + [22014] + 3c] + 24] = EntryPoint
- addl %edi, %eax # eax = ImageBase + EntryPoint
- movl %eax, EfiLdrOffset # Modify far jump instruction for correct entry point
-
- movw 6(%ebp), %bx # bx = Number of sections
- xorl %eax, %eax
- movw 0x14(%ebp), %ax # ax = Optional Header Size
- addl %eax, %ebp
- addl $0x18, %ebp # ebp = Start of 1st Section
-
-SectionLoop:
- pushl %esi # Save Base of EFILDR.C
- pushl %edi # Save ImageBase
- addl 0x14(%ebp), %esi # esi = Base of EFILDR.C + PointerToRawData
- addl 0x0c(%ebp), %edi # edi = ImageBase + VirtualAddress
- movl 0x10(%ebp), %ecx # ecs = SizeOfRawData
-
- cld
- shrl $2, %ecx
- rep
- movsl
-
- popl %edi # Restore ImageBase
- popl %esi # Restore Base of EFILDR.C
-
- addw $0x28, %bp # ebp = ebp + 028h = Pointer to next section record
- decw %bx
- cmpw $0, %bx
- jne SectionLoop
-
- movzwl (Idtr), %eax # get size of IDT
- incl %eax
- addl (Idtr + 2), %eax # add to base of IDT to get location of memory map...
- pushl %eax # push memory map location on stack for call to EFILDR...
-
- pushl %eax # push return address (useless, just for stack balance)
- .byte 0xb8
-EfiLdrOffset:
- .long 0x00401000 # Offset of EFILDR
-# mov eax, 401000h
- pushl %eax
- ret
-
-# db "**** DEFAULT IDT ENTRY ***",0
- .p2align 1
-Halt:
-INT0:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x0
- jmpCommonIdtEntry
-# db 0e9h ; jmp 16 bit reletive
-# dd commonIdtEntry - $ - 4 ; offset to jump to
-
-INT1:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x1
- jmpCommonIdtEntry
-
-INT2:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x2
- jmpCommonIdtEntry
-
-INT3:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x3
- jmpCommonIdtEntry
-
-INT4:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x4
- jmpCommonIdtEntry
-
-INT5:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x5
- jmpCommonIdtEntry
-
-INT6:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x6
- jmpCommonIdtEntry
-
-INT7:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x7
- jmpCommonIdtEntry
-
-INT8:
-# Double fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $0x8
- jmpCommonIdtEntry
-
-INT9:
- pushl $0x0 # push error code place holder on the stack
- pushl $0x9
- jmpCommonIdtEntry
-
-INT10:
-# Invalid TSS causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $10
- jmpCommonIdtEntry
-
-INT11:
-# Segment Not Present causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $11
- jmpCommonIdtEntry
-
-INT12:
-# Stack fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $12
- jmpCommonIdtEntry
-
-INT13:
-# GP fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $13
- jmpCommonIdtEntry
-
-INT14:
-# Page fault causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $14
- jmpCommonIdtEntry
-
-INT15:
- pushl $0x0 # push error code place holder on the stack
- pushl $15
- jmpCommonIdtEntry
-
-INT16:
- pushl $0x0 # push error code place holder on the stack
- pushl $16
- jmpCommonIdtEntry
-
-INT17:
-# Alignment check causes an error code to be pushed so no phony push necessary
- nop
- nop
- pushl $17
- jmpCommonIdtEntry
-
-INT18:
- pushl $0x0 # push error code place holder on the stack
- pushl $18
- jmpCommonIdtEntry
-
-INT19:
- pushl $0x0 # push error code place holder on the stack
- pushl $19
- jmpCommonIdtEntry
-
-INTUnknown:
-# The following segment repeats (0x78 - 20) times:
-# No. 1
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 2
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 3
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 4
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 5
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 6
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 7
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 8
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 9
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 10
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 11
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 12
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 13
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 14
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 15
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 16
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 17
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 18
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 19
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 20
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 21
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 22
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 23
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 24
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 25
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 26
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 27
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 28
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 29
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 30
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 31
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 32
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 33
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 34
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 35
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 36
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 37
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 38
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 39
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 40
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 41
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 42
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 43
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 44
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 45
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 46
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 47
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 48
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 49
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 50
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 51
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 52
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 53
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 54
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 55
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 56
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 57
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 58
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 59
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 60
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 61
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 62
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 63
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 64
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 65
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 66
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 67
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 68
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 69
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 70
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 71
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 72
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 73
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 74
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 75
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 76
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 77
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 78
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 79
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 80
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 81
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 82
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 83
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 84
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 85
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 86
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 87
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 88
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 89
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 90
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 91
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 92
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 93
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 94
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 95
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 96
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 97
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 98
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 99
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 100
- pushl $0x0 # push error code place holder on the stack
-# push $0xxx # push vector number
- .byte 0x6a
- .long ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-
-
-commonIdtEntry:
- pushal
- movl %esp, %ebp
-##
-## At this point the stack looks like this:
-##
-## eflags
-## Calling CS
-## Calling EIP
-## Error code or 0
-## Int num or 0ffh for unknown int num
-## eax
-## ecx
-## edx
-## ebx
-## esp
-## ebp
-## esi
-## edi <------- ESP, EBP
-##
-
- call ClearScreen
- movl String1, %esi
- call PrintString
- movl 32(%ebp), %eax ## move Int number into EAX
- cmpl $19, %eax
- ja PrintDefaultString
-PrintExceptionString:
- shll $2, %eax ## multiply by 4 to get offset from StringTable to actual string address
- addl StringTable, %eax
- movl (%eax), %esi
- jmp PrintTheString
-PrintDefaultString:
- movl IntUnknownString, %esi
- # patch Int number
- movl %eax, %edx
- call A2C
- movb %al, 1(%esi)
- movl %edx, %eax
- shrl $4, %eax
- call A2C
- movb %al, (%esi)
-PrintTheString:
- call PrintString
- movl String2, %esi
- call PrintString
- movl 44(%ebp), %eax # CS
- call PrintDword
- movb ':', %al
- movb %al, (%edi)
- addl $2, %edi
- movl 40(%ebp), %eax # EIP
- call PrintDword
- movl String3, %esi
- call PrintString
-
- movl $0xb8140, %edi
-
- movl StringEax, %esi # eax
- call PrintString
- movl 28(%ebp), %eax
- call PrintDword
-
- movl StringEbx, %esi # ebx
- call PrintString
- movl 16(%ebp), %eax
- call PrintDword
-
- movl StringEcx, %esi # ecx
- call PrintString
- movl 24(%ebp), %eax
- call PrintDword
-
- movl StringEdx, %esi # edx
- call PrintString
- movl 20(%ebp), %eax
- call PrintDword
-
- movl StringEcode, %esi # error code
- call PrintString
- movl 36(%ebp), %eax
- call PrintDword
-
- movl $0xb81e0, %edi
-
- movl StringEsp, %esi # esp
- call PrintString
- movl 12(%ebp), %eax
- call PrintDword
-
- movl StringEbp, %esi # ebp
- call PrintString
- movl 8(%ebp), %eax
- call PrintDword
-
- movl StringEsi, %esi # esi
- call PrintString
- movl 4(%ebp), %eax
- call PrintDword
-
- movl StringEdi, %esi # edi
- call PrintString
- movl (%ebp), %eax
- call PrintDword
-
- movl StringEflags, %esi # eflags
- call PrintString
- movl 48(%ebp), %eax
- call PrintDword
-
- movl $0xb8320, %edi
-
- movl %ebp, %esi
- addl $52, %esi
- movl $8, %ecx
-
-
-OuterLoop:
- pushl %ecx
- movl $8, %ecx
- movl %edi, %edx
-
-InnerLoop:
- movl (%esi), %eax
- call PrintDword
- addl $4, %esi
- movb ' ', %al
- movb %al, (%edi)
- addl $2, %edi
- loop InnerLoop
-
- popl %ecx
- addl $0xa0, %edx
- movl %edx, %edi
- loop OuterLoop
-
-
- movl $0xb8960, %edi
-
- movl 40(%ebp), %eax # EIP
- subl $32*4, %eax
- movl %eax, %esi # esi = eip - 32 DWORD linear (total 64 DWORD)
-
- movl $8, %ecx
-
-OuterLoop1:
- pushl %ecx
- movl $8, %ecx
- movl %edi, %edx
-
-InnerLoop1:
- movl (%esi), %eax
- call PrintDword
- addl $4, %esi
- movb ' ', %al
- movb %al, (%edi)
- addl $2, %edi
- loop InnerLoop1
-
- popl %ecx
- addl $0xa0, %edx
- movl %edx, %edi
- loop OuterLoop1
-
-
-
-# wbinvd ; this intruction does not support in early than 486 arch
-LN_C1:
- jmp LN_C1
-#
-# return
-#
- movl %ebp, %esp
- popal
- addl $8, %esp # error code and INT number
-
- iretl
-
-
-PrintString:
- pushl %eax
-LN_C2:
- movb (%esi), %al
- cmpb $0, %al
- je LN_C3
- movb %al, (%edi)
- incl %esi
- addl $2, %edi
- jmp LN_C2
-LN_C3:
- popl %eax
- ret
-
-## EAX contains dword to print
-## EDI contains memory location (screen location) to print it to
-PrintDword:
- pushl %ecx
- pushl %ebx
- pushl %eax
-
- movl $8, %ecx
-looptop:
- roll $4, %eax
- movb %al, %bl
- andb $0xf, %bl
- addb '0', %bl
- cmpb '9', %bl
- jle LN_C4
- addb $7, %bl
-LN_C4:
- movb %bl, (%edi)
- addl $2, %edi
- loop looptop
- #wbinvd
-
- popl %eax
- popl %ebx
- popl %ecx
- ret
-
-ClearScreen:
- pushl %eax
- pushl %ecx
-
- movb $0x00, %al
- movb $0xc, %ah
- movl $0xb8000, %edi
- movl $80*24, %ecx
-LN_C5:
- movw %ax, (%edi)
- addl $2, %edi
- loop LN_C5
- movl $0xb8000, %edi
-
- popl %ecx
- popl %eax
-
- ret
-
-A2C:
- andb $0xf, %al
- addb '0', %al
- cmpb '9', %al
- jle LN_C6
- addb $7, %al
-LN_C6:
- ret
-
-String1: .asciz "*** INT "
-
-Int0String: .asciz "00h Divide by 0 -"
-Int1String: .asciz "01h Debug exception -"
-Int2String: .asciz "02h NMI -"
-Int3String: .asciz "03h Breakpoint -"
-Int4String: .asciz "04h Overflow -"
-Int5String: .asciz "05h Bound -"
-Int6String: .asciz "06h Invalid opcode -"
-Int7String: .asciz "07h Device not available -"
-Int8String: .asciz "08h Double fault -"
-Int9String: .asciz "09h Coprocessor seg overrun (reserved) -"
-Int10String: .asciz "0Ah Invalid TSS -"
-Int11String: .asciz "0Bh Segment not present -"
-Int12String: .asciz "0Ch Stack fault -"
-Int13String: .asciz "0Dh General protection fault -"
-Int14String: .asciz "0Eh Page fault -"
-Int15String: .asciz "0Fh (Intel reserved) -"
-Int16String: .asciz "10h Floating point error -"
-Int17String: .asciz "11h Alignment check -"
-Int18String: .asciz "12h Machine check -"
-Int19String: .asciz "13h SIMD Floating-Point Exception -"
-IntUnknownString: .asciz "??h Unknown interrupt -"
-
-StringTable: .long Int0String, Int1String, Int2String, Int3String, \
- Int4String, Int5String, Int6String, Int7String, \
- Int8String, Int9String, Int10String, Int11String, \
- Int12String, Int13String, Int14String, Int15String,\
- Int16String, Int17String, Int18String, Int19String
-
-String2: .asciz " HALT!! *** ("
-String3: .asciz ")"
-StringEax: .asciz "EAX="
-StringEbx: .asciz "EBX="
-StringEcx: .asciz "ECX="
-StringEdx: .asciz "EDX="
-StringEcode: .asciz "ECODE="
-StringEsp: .asciz "ESP="
-StringEbp: .asciz "EBP="
-StringEsi: .asciz "ESI="
-StringEdi: .asciz "EDI="
-StringEflags: .asciz "EFLAGS="
-
-Idtr: .float 0
-
- .org 0x21ffe
-BlockSignature:
- .word 0xaa55
-
-
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