diff options
Diffstat (limited to 'DuetPkg/BootSector/efi64.S')
| -rw-r--r-- | DuetPkg/BootSector/efi64.S | 1385 |
1 files changed, 0 insertions, 1385 deletions
diff --git a/DuetPkg/BootSector/efi64.S b/DuetPkg/BootSector/efi64.S deleted file mode 100644 index 34bd7521b9..0000000000 --- a/DuetPkg/BootSector/efi64.S +++ /dev/null @@ -1,1385 +0,0 @@ -#------------------------------------------------------------------------------
-#*
-#* Copyright (c) 2006 - 2012, 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.
-#*
-#* efi64.asm
-#*
-#* Abstract:
-#*
-#------------------------------------------------------------------------------
-
-##############################################################################
-# Now in 64-bit long mode.
-##############################################################################
-
- .486:
- .stack:
- .code:
- .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:
-
- movl $0x001fffe8,%esp # make final stack aligned
-
- # set OSFXSR and OSXMMEXCPT because some code will use XMM register
- .byte 0xf
- .byte 0x20
- .byte 0xe0
-# mov rax, cr4
- btsl $9,%eax
- btsl $0xa,%eax
- .byte 0xf
- .byte 0x22
- .byte 0xe0
-# mov cr4, rax
-
- call ClearScreen
-
- # Populate IDT with meaningful offsets for exception handlers...
- movl $Idtr, %eax
- sidt (%eax) # get fword address of IDT
-
-
- 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
- # 63..32 of descriptors is 0
- 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 $0x38, 2(%edi) # SYS_CODE_SEL64 from GDT
- movw $(0x0e00 | 0x8000), 4(%edi) # type = 386 interrupt gate, present
- movw %ax, 6(%edi) # write bits 31..16 of offset
- movl $0, 8(%edi) # write bits 31..16 of offset
- addl $16, %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], 38h ; SYS_CODE64_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
-# mov dword ptr [edi+8], 0 ; write bits 63..32 of offset
-# add edi, 16 ; 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 PrintQword
-# 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 0x30(%ebp),%edi # edi = [[22000 + [22014] + 3c] + 2c] = ImageBase (63..32 is zero, ignore)
- movl 0x28(%ebp),%eax # eax = [[22000 + [22014] + 3c] + 24] = EntryPoint
- addl %edi,%eax # eax = ImageBase + EntryPoint
- movl $EfiLdrOffset, %ebx
- movl %eax, (%ebx) # 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
- .byte 0x66
- .byte 0xff
- .byte 0xcb
-# dec bx
- cmpw $0,%bx
- jne SectionLoop
-
- movl $Idtr, %edx # get size of IDT
- movzxw (%edx), %eax
- .byte 0xff
- .byte 0xc0
-# inc eax
- addl 2(%edx), %eax # add to base of IDT to get location of memory map...
- xorl %ecx,%ecx
- movl %eax,%ecx # put argument to RCX
-
- .byte 0x48
- .byte 0xc7
- .byte 0xc0
-EfiLdrOffset:
- .long 0x00401000 # Offset of EFILDR
-# mov rax, 401000h
- .byte 0x50
-# push rax
-
-# ret
- .byte 0xc3
-
-# 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 xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 2
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 3
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 4
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 5
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 6
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 7
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 8
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 9
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 10
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 11
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 12
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 13
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 14
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 15
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 16
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 17
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 18
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 19
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 20
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 21
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 22
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 23
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 24
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 25
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 26
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 27
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 28
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 29
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 30
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 31
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 32
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 33
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 34
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 35
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 36
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 37
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 38
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 39
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 40
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 41
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 42
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 43
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 44
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 45
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 46
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 47
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 48
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 49
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 50
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 51
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 52
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 53
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 54
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 55
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 56
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 57
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 58
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 59
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 60
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 61
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 62
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 63
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 64
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 65
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 66
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 67
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 68
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 69
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 70
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 71
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 72
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 73
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 74
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 75
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 76
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 77
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 78
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 79
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 80
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 81
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 82
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 83
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 84
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 85
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 86
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 87
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 88
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 89
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 90
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 91
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 92
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 93
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 94
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 95
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 96
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 97
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 98
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 99
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-# No. 100
- pushl $0x0 # push error code place holder on the stack
-# push xxh ; push vector number
- .byte 0x6a
- .byte ( . - INTUnknown - 3 ) / 9 + 20 # vector number
- jmpCommonIdtEntry
-
-
-commonIdtEntry:
- pushl %eax
- pushl %ecx
- pushl %edx
- pushl %ebx
- pushl %esp
- pushl %ebp
- pushl %esi
- pushl %edi
- .byte 0x41
- .byte 0x50
-# push r8
- .byte 0x41
- .byte 0x51
-# push r9
- .byte 0x41
- .byte 0x52
-# push r10
- .byte 0x41
- .byte 0x53
-# push r11
- .byte 0x41
- .byte 0x54
-# push r12
- .byte 0x41
- .byte 0x55
-# push r13
- .byte 0x41
- .byte 0x56
-# push r14
- .byte 0x41
- .byte 0x57
-# push r15
- .byte 0x48
- movl %esp,%ebp
-# mov rbp, rsp
-
-##
-## At this point the stack looks like this:
-##
-## Calling SS
-## Calling RSP
-## rflags
-## Calling CS
-## Calling RIP
-## Error code or 0
-## Int num or 0ffh for unknown int num
-## rax
-## rcx
-## rdx
-## rbx
-## rsp
-## rbp
-## rsi
-## rdi
-## r8
-## r9
-## r10
-## r11
-## r12
-## r13
-## r14
-## r15 <------- RSP, RBP
-##
-
- call ClearScreen
- movl $String1, %esi
- call PrintString
- .byte 0x48
- movl 16*8(%ebp),%eax ## move Int number into RAX
- .byte 0x48
- cmpl $18,%eax
- ja PrintDefaultString
-PrintExceptionString:
- shll $3,%eax ## multiply by 8 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
- .byte 0x48
- movl 19*8(%ebp),%eax # CS
- call PrintQword
- movb $':', %al
- movb %al, (%edi)
- addl $2,%edi
- .byte 0x48
- movl 18*8(%ebp),%eax # RIP
- call PrintQword
- movl $String3, %esi
- call PrintString
-
- movl $0xb8140,%edi
-
- movl $StringRax, %esi
- call PrintString
- .byte 0x48
- movl 15*8(%ebp),%eax
- call PrintQword
-
- movl $StringRcx, %esi
- call PrintString
- .byte 0x48
- movl 14*8(%ebp),%eax
- call PrintQword
-
- movl $StringRdx, %esi
- call PrintString
- .byte 0x48
- movl 13*8(%ebp),%eax
- call PrintQword
-
- movl $0xb81e0,%edi
-
- movl $StringRbx, %esi
- call PrintString
- .byte 0x48
- movl 12*8(%ebp),%eax
- call PrintQword
-
- movl $StringRsp, %esi
- call PrintString
- .byte 0x48
- movl 21*8(%ebp),%eax
- call PrintQword
-
- movl $StringRbp, %esi
- call PrintString
- .byte 0x48
- movl 10*8(%ebp),%eax
- call PrintQword
-
- movl $0xb8280,%edi
-
- movl $StringRsi, %esi
- call PrintString
- .byte 0x48
- movl 9*8(%ebp),%eax
- call PrintQword
-
- movl $StringRdi, %esi
- call PrintString
- .byte 0x48
- movl 8*8(%ebp),%eax
- call PrintQword
-
- movl $StringEcode, %esi
- call PrintString
- .byte 0x48
- movl 17*8(%ebp),%eax
- call PrintQword
-
- movl $0xb8320,%edi
-
- movl $StringR8, %esi
- call PrintString
- .byte 0x48
- movl 7*8(%ebp),%eax
- call PrintQword
-
- movl $StringR9, %esi
- call PrintString
- .byte 0x48
- movl 6*8(%ebp),%eax
- call PrintQword
-
- movl $StringR10, %esi
- call PrintString
- .byte 0x48
- movl 5*8(%ebp),%eax
- call PrintQword
-
- movl $0xb83c0,%edi
-
- movl $StringR11, %esi
- call PrintString
- .byte 0x48
- movl 4*8(%ebp),%eax
- call PrintQword
-
- movl $StringR12, %esi
- call PrintString
- .byte 0x48
- movl 3*8(%ebp),%eax
- call PrintQword
-
- movl $StringR13, %esi
- call PrintString
- .byte 0x48
- movl 2*8(%ebp),%eax
- call PrintQword
-
- movl $0xb8460,%edi
-
- movl $StringR14, %esi
- call PrintString
- .byte 0x48
- movl 1*8(%ebp),%eax
- call PrintQword
-
- movl $StringR15, %esi
- call PrintString
- .byte 0x48
- movl 0*8(%ebp),%eax
- call PrintQword
-
- movl $StringSs, %esi
- call PrintString
- .byte 0x48
- movl 22*8(%ebp),%eax
- call PrintQword
-
- movl $0xb8500,%edi
-
- movl $StringRflags, %esi
- call PrintString
- .byte 0x48
- movl 20*8(%ebp),%eax
- call PrintQword
-
- movl $0xb8640,%edi
-
- movl %ebp,%esi
- addl $23*8,%esi
- movl $4,%ecx
-
-
-OuterLoop:
- pushl %ecx
- movl $4,%ecx
- .byte 0x48
- movl %edi,%edx
-
-InnerLoop:
- .byte 0x48
- movl (%esi),%eax
- call PrintQword
- addl $8,%esi
- movb $0x20, %al # blank character
- movb %al,(%edi)
- addl $2,%edi
- loop InnerLoop
-
- popl %ecx
- addl $0xa0,%edx
- movl %edx,%edi
- loop OuterLoop
-
-
- movl $0xb8960,%edi
-
- .byte 0x48
- movl 18*8(%ebp),%eax # RIP
- subl $8*8,%eax
- .byte 0x48
- movl %eax,%esi # esi = rip - 8 QWORD linear (total 16 QWORD)
-
- movl $4,%ecx
-
-OuterLoop1:
- pushl %ecx
- movl $4,%ecx
- movl %edi,%edx
-
-InnerLoop1:
- .byte 0x48
- movl (%esi),%eax
- call PrintQword
- addl $8,%esi
- movb $0x20, %al # blank character
- movb %al,(%edi)
- addl $2,%edi
- loop InnerLoop1
-
- popl %ecx
- addl $0xa0,%edx
- movl %edx,%edi
- loop OuterLoop1
-
-
-
- #wbinvd
-LN_C1:
- jmp LN_C1
-
-#
-# return
-#
- movl %ebp,%esp
-# mov rsp, rbp
- .byte 0x41
- .byte 0x5f
-# pop r15
- .byte 0x41
- .byte 0x5e
-# pop r14
- .byte 0x41
- .byte 0x5d
-# pop r13
- .byte 0x41
- .byte 0x5c
-# pop r12
- .byte 0x41
- .byte 0x5b
-# pop r11
- .byte 0x41
- .byte 0x5a
-# pop r10
- .byte 0x41
- .byte 0x59
-# pop r9
- .byte 0x41
- .byte 0x58
-# pop r8
- popl %edi
- popl %esi
- popl %ebp
- popl %eax # esp
- popl %ebx
- popl %edx
- popl %ecx
- popl %eax
-
- .byte 0x48
- .byte 0x83
- .byte 0xc4
- .byte 0x10
-# add esp, 16 ; error code and INT number
-
- .byte 0x48
- .byte 0xcf
-# iretq
-
-PrintString:
- pushl %eax
-LN_C2:
- movb (%esi), %al
- cmpb $0,%al
- je LN_C3
- movb %al, (%edi)
- .byte 0xff
- .byte 0xc6
-# inc esi
- addl $2,%edi
- jmp LN_C2
-LN_C3:
- popl %eax
- ret
-
-## RAX contains qword to print
-## RDI contains memory location (screen location) to print it to
-PrintQword:
- pushl %ecx
- pushl %ebx
- pushl %eax
-
- .byte 0x48
- .byte 0xc7
- .byte 0xc1
- .long 16
-# mov rcx, 16
-looptop:
- .byte 0x48
- 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 $0x20, %al # blank character
- 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, 0, Int1String, 0, Int2String, 0, Int3String, 0, \
- Int4String, 0, Int5String, 0, Int6String, 0, Int7String, 0, \
- Int8String, 0, Int9String, 0, Int10String, 0, Int11String, 0, \
- Int12String, 0, Int13String, 0, Int14String, 0, Int15String, 0, \
- Int16String, 0, Int17String, 0, Int18String, 0, Int19String, 0
-
-String2: .asciz " HALT!! *** ("
-String3: .asciz ")"
-StringRax: .asciz "RAX="
-StringRcx: .asciz " RCX="
-StringRdx: .asciz " RDX="
-StringRbx: .asciz "RBX="
-StringRsp: .asciz " RSP="
-StringRbp: .asciz " RBP="
-StringRsi: .asciz "RSI="
-StringRdi: .asciz " RDI="
-StringEcode: .asciz " ECODE="
-StringR8: .asciz "R8 ="
-StringR9: .asciz " R9 ="
-StringR10: .asciz " R10="
-StringR11: .asciz "R11="
-StringR12: .asciz " R12="
-StringR13: .asciz " R13="
-StringR14: .asciz "R14="
-StringR15: .asciz " R15="
-StringSs: .asciz " SS ="
-StringRflags: .asciz "RFLAGS="
-
-Idtr: .float 0
- .float 0
-
- .org 0x21ffe
-BlockSignature:
- .word 0xaa55
-
|