[tkreuzer] 53453: [FREELDR] - implement the amd64 real mode entry point and callback mechanism - implement PnpBiosSupported, PnpBiosGetDeviceNodeCount, PnpBiosGetDeviceNode for amd64 - delete outda...
26 Aug
2011
26 Aug
'11
1:10 p.m.
Author: tkreuzer
Date: Fri Aug 26 13:10:18 2011
New Revision: 53453
URL: http://svn.reactos.org/svn/reactos?rev=53453&view=rev
Log:
[FREELDR]
- implement the amd64 real mode entry point and callback mechanism
- implement PnpBiosSupported, PnpBiosGetDeviceNodeCount, PnpBiosGetDeviceNode for amd64
- delete outdated amd64 files
Added:
trunk/reactos/boot/freeldr/freeldr/arch/amd64/pnpbios.S (with props)
Removed:
trunk/reactos/boot/freeldr/freeldr/arch/amd64/arch.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/boot.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/drvmap.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/fathelp.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386cpu.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386idt.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386pnp.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386trap.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/mb.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/stubs.S
Modified:
trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt
trunk/reactos/boot/freeldr/freeldr/arch/amd64/entry.S
trunk/reactos/boot/freeldr/freeldr/arch/amd64/int386.S
trunk/reactos/boot/freeldr/freeldr/arch/realmode/amd64.S
Modified: trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/CMake…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt [iso-8859-1] Fri Aug 26 13:10:18
2011
@@ -124,7 +124,9 @@
elseif(ARCH MATCHES amd64)
list(APPEND FREELDR_COMMON_SOURCE
arch/amd64/entry.S
+ arch/amd64/int386.S
arch/amd64/loader.c
+ arch/amd64/pnpbios.S
arch/i386/hardware.c
arch/i386/hwacpi.c
arch/i386/hwapm.c
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/arch.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/arch.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/arch.S (removed)
@@ -1,454 +1,0 @@
-
-#define ASM
-
-#include <asm.inc>
-
-.text
-.code16
-
-//.org 0x8000
-
-.global RealEntryPoint
-RealEntryPoint:
-
- cli
-
- /* Setup real mode segment registers */
- xor ax, ax
- mov ds, ax
- mov es, ax
- mov fs, ax
- mov gs, ax
- mov ss, ax
-
- /* checkPoint Charlie - where it all began... */
- mov si, offset CheckPoint0
- call writestr
-
- /* Setup a real mode stack */
- mov sp, stack16
-
- /* Zero BootPartition */
- xor eax, eax
- mov FrldrBootPartition, eax
-
- /* Store the boot drive */
- mov FrldrBootDrive, dl
-
- /* Store the boot partition */
- mov FrldrBootPartition, dh
-
- /* Load the GDT */
- lgdt gdtptr
- /* Load the IDT */
-// lidt idtptr
-
- call x86_16_EnableA20
-
- /* checkPoint Charlie - where it all began... */
- mov si, offset CheckPoint1
- call writestr
-
- call x86_16_BuildPageTables
-
- /* checkPoint Charlie - where it all began... */
- mov si, offset CheckPoint2
- call writestr
-
- /* Check if CPU supports CPUID */
-
- pushfd
- pop eax
- mov ebx, eax
- xor eax, 0x00200000
- push eax
- popfd
- pushfd
- pop eax
- cmp eax,ebx
- jz NO_CPUID_SUPPORT_DETECTED
-
- /* CPUID support detected - getting the PAE/PGE */
-
- mov eax,1 // Fn0000_0001 - PAE in EDX[6]
- cpuid
- xor eax,eax
- and edx,0x00a0
- test edx,edx // are PAE and PGE bits set?
- jz NO_X64_SUPPORT_DETECTED
-
- /* PAE and PGE are here */
-
- xor edx, edx
- mov eax, 0x80000001
- cpuid
- and edx, 0x20000000
- test edx,edx
- jz NO_X64_SUPPORT_DETECTED
-
- /* X64 Processor */
-
- /* checkPoint Charlie - where it all began... */
- mov si, offset CheckPoint3
- call writestr
-
- jmp switch64
-
-NO_X64_SUPPORT_DETECTED:
- mov si, offset NotAnX64Processor // Loading message
- call writestr
- jmp fail
-
-NO_CPUID_SUPPORT_DETECTED:
- mov si, offset NoCPUIDSupport // Loading message
- call writestr
-
-fail:
- jmp fail
- nop
- nop
-
-switch64:
- call x86_16_SwitchToLong
-
- .code64
-
-// mov ax, LMODE_DS
-// mov ds, ax
-// mov word ptr ds:[0xb8000], 0x0e00 + '1'
-
- /* GO! */
- xor rcx, rcx
- call BootMain
-
- /* Checkpoint */
-// mov ax, LMODE_DS
-// mov ds, ax
-// mov word ptr ds:[0xb8002], 0x0e02 + '2'
-
-
- /* Return into real mode */
- call x86_64_SwitchToReal
- .code16
-
-// int 0x19
-
- /* We should never get here */
-stop:
- jmp stop
- nop
- nop
-
-
-/** 16 Bit helper functions ***************************************************/
-.code16
-
-x86_16_Empty8042:
- .word 0x00eb,0x00eb // jmp $+2, jmp $+2
- in al, 0x64
- cmp al, 0xff // legacy-free machine without keyboard
- jz empty_8042_ret // controllers on Intel Macs read back 0xFF
- test al, 0x02
- jnz x86_16_Empty8042
-empty_8042_ret:
- ret
-
-x86_16_EnableA20:
- pusha
- call x86_16_Empty8042
- mov al, 0xD1 // command write
- out 0x64, al
- call x86_16_Empty8042
- mov al, 0xDF // A20 on
- out 0x60, al
- call x86_16_Empty8042
- popa
- ret
-
-/*
- * We define 512 2MB pages at the start of memory, so we can access the first
- * 1 GB as if paging was disabled
- */
-x86_16_BuildPageTables:
- pusha
- push es
-
- /* Get segment of pml4 */
- mov eax, offset pml4_startup
- shr eax, 4
- mov es, ax
- cld
- xor di, di
-
- /* One entry in the PML4 pointing to PDP */
- mov eax, offset pdp_startup
- or eax, 0x00f
- stosd
- /* clear rest */
- xor eax, eax
- mov cx, 0x03ff
- rep stosd
-
- /* One entry in the PDP pointing to PD */
- mov eax, offset pd_startup
- or eax, 0x00f
- stosd
- /* clear rest */
- xor eax, eax
- mov ecx, 0x03ff
- rep stosd
-
- /* 512 entries in the PD defining a 2MB page each */
- mov ecx, 512
- mov eax, 0x008f
-
-Bpt2:
- mov es: [di], eax
- mov dword ptr es: [di + 4], 0
- add eax, 512 << 12 // add 512 4k pages
- add di, 8
-
- /* Loop it */
- dec cx
- jnz Bpt2
-
- /* Return */
- pop es
- popa
- ret
-
-/*
- * writechr,writestr
- *
- *
- */
-writestr:
- pushfd
- pushad
-.top:
- lodsb
- and al, al
- jz .end
- call writechr
- jmp short .top
-.end:
- popad
- popfd
- ret
-
-
-writechr:
- pushf
- pusha
- mov ah, 0x0E
- xor bx, bx
- int 0x10
- popa
- popf
- ret
-
-//.global x86_16_SwitchToLong
-x86_16_SwitchToLong:
-
- cli
-
- xor ax,ax
- mov ds,ax
- mov es,ax
- mov fs,ax
- mov gs,ax
- mov ss,ax
-
- /* Get the return address off the stack */
- pop word ptr code64ret
-
- /* Save 16-bit stack pointer */
- mov stack16, sp
-
- mov eax, 0x00a0 // Set PAE and PGE: 10100000b
- mov cr4, eax
-
- mov edx, offset pml4_startup // Point cr3 at PML4
- mov cr3, edx
-
- mov ecx, 0xC0000080 // Specify EFER MSR
-
- rdmsr // Enable long mode
- or eax, 0x00000100
- wrmsr
-
- mov ebx, cr0 // Activate long mode
- or ebx, 0x80000001 // by enabling paging and protection simultaneously
- mov cr0, ebx // skipping protected mode entirely
-
- jmp LMODE_CS:offset LongCat //Load CS with 64 bit segment and flush the instruction
cache
-
-.code64
-LongCat:
- /* Set up 64 bit stack */
- mov rsp, stack64
-
- /* Put the return address back onto the stack */
- push qword ptr code64ret
-
- /* Now return in long mode! */
- ret
-
-/** 64 Bit functions **********************************************************/
-.code64
-
-.global x86_64_SwitchToReal
-x86_64_SwitchToReal:
-
- /* Get the return address off the stack */
- pop qword ptr code64ret
-
- /* Save 64-bit stack pointer */
- mov stack64, rsp
-
-// mov ax, LMODE_DS
-// mov ds, ax
-// mov word ptr ds:[0xb8004], 0x0e00 + '3'
-
- /* Step 1 - jump to compatibility segment */
- ljmp jumpvector
-
-jumpvector:
- .long SwitchToReal1
- .word CMODE_CS
-
-SwitchToReal1:
-.code32
-
-// mov word ptr ds:[0xb8006], 0x0e00 + '4'
-
- /* Step 2 - deactivate long mode, by disabling paging */
- mov eax, cr0
- and eax, 0x000000007fffffff //~0x80000000
- mov cr0, eax
-
- /* Step 2 - disable long mode in EFER MSR */
-// mov ecx, 0xC0000080 // Specify EFER MSR
-// rdmsr
-// and eax, ~0x00000100 // Disable EFER.LME
-// wrmsr
-
- /* Step 3 - jump to 16-bit segment to set the limit correctly */
- jmp RMODE_CS: offset SwitchToReal2
-
-SwitchToReal2:
- .code16
-
- /* Step 4 - Disable Protected Mode */
- mov eax, cr0
- and eax, ~0x00000001
- mov cr0, eax
-
- /* Clear prefetch queue & correct CS */
- jmp 0:offset BeReal
-
-BeReal:
- /* Checkpoint */
-// mov ax, 0xb800
-// mov fs, ax
-// mov word ptr fs:[0x0C], 0x0e00 + '7'
-
- /* Restore segment registers */
- mov ax, 0
- mov ds, ax
- mov es, ax
- mov fs, ax
- mov gs, ax
- mov ss, ax
-
- /* Restore 16 bit stack */
- mov sp, stack16
-
-// lidt rmode_idtptr /* Load IDTR with real mode value */
-
-// sti /* These are ok now */
-
- /* Put the return address back onto the stack */
- push word ptr code64ret
-
- /* Now return in real mode! */
- ret
-
-
-
-/** Some data *****************************************************************/
-
-.code64
-
-stack16:
- .quad STACK16ADDR
-
-stack64:
- .quad STACK64ADDR
-
-code64ret:
- .quad 0
-
-.p2align 2
-gdt:
- .quad 0x0000000000000000 /* 00: NULL descriptor */
- .quad 0x0000000000000000 /* 08: */
- .quad 0x0020980000000000 /* 10: long mode cs */
- .quad 0x00cff3000000ffff /* 18: long mode ds */
- .word 0xFFFF, 0x0000, 0x9E00, 0x0000 /* 16-bit real mode CS */
- .word 0xFFFF, 0x0000, 0x9200, 0x0000 /* 16-bit real mode DS */
- .quad 0x00CF9B000000FFFF /* 30: compat mode cs */
-
-/* GDT table pointer */
-gdtptr:
- .word 0x37 /* Limit */
- .long gdt /* Base Address */
-
-
-.global FrldrBootDrive
-FrldrBootDrive:
- .byte 0
-
-.global FrldrBootPartition
-FrldrBootPartition:
- .long 0
-
-.global NotAnX64Processor
-NotAnX64Processor:
- .ascii "FreeLoader: No x64-compatible CPU detected! Exiting..."
- .byte 0x0d, 0x0a, 0
-
-.global NoCPUIDSupport
-NoCPUIDSupport:
- .ascii "FreeLoader: No CPUID instruction support detected! Exiting..."
- .byte 0x0d, 0x0a, 0
-
-/////////////////////////// Checkpoint messages ///////////////////////////////
-.global CheckPoint0
-CheckPoint0:
- .ascii "Starting FreeLoader..."
- .byte 0x0d, 0x0a, 0
-
-.global CheckPoint1
-CheckPoint1:
- .ascii "FreeLoader[16-bit]: building page tables..."
- .byte 0x0d, 0x0a, 0
-
-.global CheckPoint2
-CheckPoint2:
- .ascii "FreeLoader[16-bit]: checking CPU for x64 long mode..."
- .byte 0x0d, 0x0a, 0
-
-.global CheckPoint3
-CheckPoint3:
- .ascii "FreeLoader: Switching to x64 long mode..."
- .byte 0x0d, 0x0a, 0
-
-///////////////////////////////////////////////////////////////////////////////
-
-/* Need to include them here, because of linking issues between 64 / 16 bit */
-//#include "debug16.S"
-#include "int386.S"
-#include "boot.S"
-#include "i386pnp.S"
-
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/boot.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/boot.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/boot.S (removed)
@@ -1,65 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 1998-2002 Brian Palmer <brianp(a)sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <asm.inc>
-
-
- .text
- .code16
-
-PUBLIC ChainLoadBiosBootSectorCode
-ChainLoadBiosBootSectorCode:
- .code64
-
- call x86_64_SwitchToReal
- .code16
-
- /* Set the boot drive */
- mov dl, BootDrive
-
- /* Load segment registers */
- cli
- mov bx, 0x0000
- mov ds, bx
- mov es, bx
- mov fs, bx
- mov gs, bx
- mov ss, bx
- mov sp, 0x7C00
-
-// ljmpl $0x0000,$0x7C00
- jmp 0x7c00:0x0000
-
-PUBLIC SoftReboot
-SoftReboot:
- .code64
-
- call x86_64_SwitchToReal
- .code16
-
- mov ax, 0x40
- mov ds, ax
- mov si, 0x72
-
- // Set the word at location 40:72 to 1234h
- mov word ptr [si], 0x1234
-
- // and jump to location FFFF:0 in ROM
-// ljmpl $0xFFFF,$0x0000
- jmp 0xffff: 0x0000
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/drvmap.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/drvmap.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/drvmap.S (removed)
@@ -1,130 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 1998-2002 Brian Palmer <brianp(a)sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
- .text
- .code16
-
-#include <arch/pc/x86common.h>
-
-EXTERN(DriveMapInt13HandlerStart)
-Int13Handler:
-
- pushw %bp
- movw %sp,%bp
- pushw %ax
- pushw %cx
- pushw %si
-
- cld
-
- /* Get callers flags from stack */
- movw 0x06(%bp),%ax
- movw %ax,%cs:(CallersFlags - Int13Handler)
-
- /* Save the drive number they passed in */
- movb %dl,%cs:(PassedInDriveNumber - Int13Handler)
-
- /* Now we need to perform the mapping */
- xorw %cx,%cx
- movw $(Int13HandlerMapCount - Int13Handler),%si
- /* Get the count of drives in the map list */
- movb %cs:(%si),%cl
- incw %si
-
- /* If the map list is empty then just call the old int 13h handler */
- cmpb $0,%cl
- jz CallOldInt13Handler
-
-GetMappedDriveNumberLoop:
-
- /* Get the next drive number in the list */
- lodsw %cs:(%si),%ax
- /* Check to see if it's the one they are calling int 13h for */
- cmpb %al,%dl
- /* If not get the next one */
- jne GetMappedDriveNumberLoopNext
-
- /* If we get here then we have found a mapped drive */
- /* Send new drive number on to the old int 13h handler */
- movb %ah,%dl
- /* Call BIOS Int 13 Handler */
- jmp CallOldInt13Handler
-
-GetMappedDriveNumberLoopNext:
- loop GetMappedDriveNumberLoop
-
-CallOldInt13Handler:
- /* Restore the registers we changed off the stack */
- popw %si
- popw %cx
- popw %ax
-
- /* Put flags onto stack */
- pushw %cs:(CallersFlags - Int13Handler)
-
- /* Call old int 13h handler with new drive number */
- .byte 0x9a /* lcall */
-EXTERN(DriveMapOldInt13HandlerAddress)
- .word 0
- .word 0
-
- /* Update the callers flags with the values the BIOS returned */
- pushw %ax
- pushf
- popw %ax
- movw %ax,0x06(%bp)
- popw %ax
- /* Restore the callers drive number */
- movb %cs:(PassedInDriveNumber - Int13Handler),%dl
-
- popw %bp
-
- iret
-
-CallersFlags:
- .word 0
-
-PassedInDriveNumber:
- .byte 0
-
-EXTERN(DriveMapInt13HandlerMapList)
-Int13HandlerMapCount:
- .byte 0
-
-Int13HandlerDrive1:
- .byte 0
-Int13HandlerDriveNew1:
- .byte 0
-
-Int13HandlerDrive2:
- .byte 0
-Int13HandlerDriveNew2:
- .byte 0
-
-Int13HandlerDrive3:
- .byte 0
-Int13HandlerDriveNew3:
- .byte 0
-
-Int13HandlerDrive4:
- .byte 0
-Int13HandlerDriveNew4:
- .byte 0
-
-EXTERN(DriveMapInt13HandlerEnd)
Modified: trunk/reactos/boot/freeldr/freeldr/arch/amd64/entry.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/entry.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/entry.S [iso-8859-1] Fri Aug 26 13:10:18
2011
@@ -27,7 +27,6 @@
ContinueAddress:
.double offset FrldrStartup
-
FrldrStartup:
@@ -72,7 +71,7 @@
mov gs, ax
//mov ss, ax
- mov word ptr [HEX(0b8008)], HEX(0e00) + '4'
+ //mov word ptr [HEX(0b8008)], HEX(0e00) + '4'
/* Save 64-bit stack pointer */
mov qword ptr [stack64], rsp
@@ -122,75 +121,22 @@
FrldrBootPartition:
.long 0
-PUBLIC PageDirectoryEnd
-PageDirectoryEnd:
-PUBLIC PageDirectoryStart
-PageDirectoryStart:
-PUBLIC PnpBiosGetDeviceNode
-PnpBiosGetDeviceNode:
-PUBLIC PnpBiosGetDeviceNodeCount
-PnpBiosGetDeviceNodeCount:
-PUBLIC PnpBiosSupported
-PnpBiosSupported:
+PUBLIC PxeCallApi
+PxeCallApi:
+ xor eax, eax
+ ret
-/* int Int386(int ivec<ecx>, REGS* in<rdx>, REGS* out<r8>); */
-PUBLIC Int386
-Int386:
+//void __lgdt(void *Source);
+PUBLIC __lgdt
+__lgdt:
+ lgdt fword ptr [rcx]
+ ret
- /* Save home registers */
- mov r11, rsp
- mov qword ptr [r11 + 8], rcx
- mov qword ptr [r11 + 16], rdx
- mov qword ptr [r11 + 24], r8
-
- /* Save non-volatile registers */
- push rbx
- push rbp
- push rsi
- push rdi
-
- /* Alloc stack space for home registers */
- sub rsp, 40
- //.ENDPROLOG
-
- mov word ptr [HEX(0b8006)], HEX(0e00) + '3'
-
- /* Copy the int vector to shared memory */
- mov dword ptr [BSS_IntVector], ecx
-
- /* Copy input registers */
- mov rsi, rdx
- mov rdi, BSS_RegisterSet
- mov rcx, REGS_SIZE / 4
- rep movsd
-
- /* Set the function ID and call real mode */
- mov bx, FNID_Int386
- call CallRealMode
-
- /* Copy output registers */
- mov rsi, BSS_RegisterSet
- mov rdi, [r11 + 16]
- mov rcx, REGS_SIZE / 4
- rep movsd
-
- /* cleanup and return */
- add rsp, 40
- pop rdi
- pop rsi
- pop rbp
- pop rbx
+//void __ltr(unsigned short Source);
+PUBLIC __ltr
+__ltr:
+ ltr cx
ret
-PUBLIC PxeCallApi
-PxeCallApi:
-PUBLIC __lgdt
-__lgdt:
-PUBLIC __ltr
-__ltr:
-
-nop
-
-
END
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/fathelp.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/fathelp.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/fathelp.S (removed)
@@ -1,235 +1,0 @@
-// fathelp.S
-// FAT12/16 Boot Sector Helper Code
-// Copyright (c) 1998, 2001, 2002, 2003 Brian Palmer
-
-.intel_syntax noprefix
-
-//org 8000h
-
-.text
-
-.code16
-
-
-#define BootSectorStackTop 0x7bf2
-#define DataAreaStartHigh 0x2
-#define DataAreaStartLow 0x4
-#define BiosCHSDriveSizeHigh 0x6
-#define BiosCHSDriveSizeLow 0x8
-#define BiosCHSDriveSize 0x8
-#define ReadSectorsOffset 0xa
-#define ReadClusterOffset 0xc
-#define PutCharsOffset 0xe
-
-#define OEMName 3
-#define BytesPerSector 11
-#define SectsPerCluster 13
-#define ReservedSectors 14
-#define NumberOfFats 16
-#define MaxRootEntries 17
-#define TotalSectors 19
-#define MediaDescriptor 21
-#define SectorsPerFat 22
-#define SectorsPerTrack 24
-#define NumberOfHeads 26
-#define HiddenSectors 28
-#define TotalSectorsBig 32
-#define BootDrive 36
-#define Reserved 37
-#define ExtendSig 38
-#define SerialNumber 39
-#define VolumeLabel 43
-#define FileSystem 54
-
-#define BootPartition 0x7dfd
-
-
-// This code will be stored in the first 512 bytes
-// of freeldr.sys. The first 3 bytes will be a jmp
-// instruction to skip past the FAT helper code
-// that is stored in the rest of the 512 bytes.
-//
-// This code is loaded at 0000:8000 so we have to
-// encode a jmp instruction to jump to 0000:8200
-
-.global _mainCRTStartup // For Mingw32 builds where the linker looks for this symbol
-_mainCRTStartup:
-.global start
-start:
- .byte 0xe9
- .byte 0xfd
- .byte 0x01
-
-// Now starts the extra boot code that we will store
-// in the first 512 bytes of freeldr.sys. This code
-// allows the FAT12/16 bootsector to navigate the
-// FAT table so that we can still load freeldr.sys
-// even if it is fragmented.
-
-
-FatHelperEntryPoint:
-
- push ax // First save AX - the start cluster of freeldr.sys
-
-
- // Display "Loading FreeLoader..." message
- mov esi, offset msgLoading // Loading message
- call [bp-PutCharsOffset] // Display it
-
-
- call ReadFatIntoMemory
-
- pop ax // Restore AX (start cluster)
- // AX has start cluster of freeldr.sys
-
- mov bx,0x800
- mov es,bx
-
-LoadFile:
- push ax
- call IsFat12
- pop ax
- jnc LoadFile2
- cmp ax,0x0ff8 // Check to see if this is the last cluster in the chain
- jmp LoadFile3
-LoadFile2:
- cmp ax,0x0fff8
-LoadFile3:
- jae LoadFile_Done // If so continue, if not then read then next one
- push ax
- xor bx,bx // Load ROSLDR starting at 0000:8000h
- push es
- call [bp-ReadClusterOffset]
- pop es
-
- xor bx,bx
- mov bl, [bp+SectsPerCluster]
- shl bx,5 // BX = BX * 512 / 16
- mov ax,es // Increment the load address by
- add ax,bx // The size of a cluster
- mov es,ax
-
- call IsFat12
- pop ax
- push es
- jnc LoadFile4
- call GetFatEntry12 // Get the next entry
- jmp LoadFile5
-LoadFile4:
- call GetFatEntry16
-LoadFile5:
- pop es
-
- jmp LoadFile // Load the next cluster (if any)
-
-LoadFile_Done:
- mov dl,BYTE PTR [bp+BootDrive] // Load the boot drive into DL
- mov dh,[BootPartition] // Load the boot partition into DH
-
- push 0 // push segment (0x0000)
- mov bx, [0x8000 + 0xA8] // load the RVA of the EntryPoint into eax
- add bx, 0x8000 // RVA -> VA and skip 3 bytes (jump to fathelper code)
- push bx // push offset
- retf // Transfer control to FreeLoader
-
-// Reads the entire FAT into memory at 7000:0000
-ReadFatIntoMemory:
- mov ax, [bp+HiddenSectors]
- mov dx, [bp+HiddenSectors+2]
- add ax, [bp+ReservedSectors]
- adc dx, 0
- mov cx, [bp+SectorsPerFat]
- mov bx,0x7000
- mov es,bx
- xor bx,bx
- call [bp-ReadSectorsOffset]
- ret
-
-
-// Returns the FAT entry for a given cluster number for 16-bit FAT
-// On entry AX has cluster number
-// On return AX has FAT entry for that cluster
-GetFatEntry16:
-
- mov cx,2 // AX = AX * 2 (since FAT16 entries are 2 bytes)
- mul cx
- shl dx,12
-
- mov bx,0x7000
- add bx,dx
- mov es,bx
- mov bx,ax // Restore FAT entry offset
- mov ax, es:[bx] // Get FAT entry
-
- ret
-
-
-// Returns the FAT entry for a given cluster number for 12-bit FAT
-// On entry AX has cluster number
-// On return AX has FAT entry for that cluster
-GetFatEntry12:
-
- push ax
- mov cx,ax
- shr ax,1
- add ax,cx // AX = AX * 1.5 (AX = AX + (AX / 2)) (since FAT12 entries are 12
bits)
-
- mov bx,0x7000
- mov es,bx
- mov bx,ax // Put FAT entry offset into BX
- mov ax, es:[bx] // Get FAT entry
- pop cx // Get cluster number from stack
- and cx,1
- jz UseLow12Bits
- and ax,0x0fff0
- shr ax,4
- jmp GetFatEntry12_Done
-
-UseLow12Bits:
- and ax,0x0fff
-
-GetFatEntry12_Done:
-
- ret
-
-
-// Returns CF = 1 if this is a FAT12 file system
-// Otherwise CF = 0 for FAT16
-IsFat12:
-
- mov ebx, [bp-DataAreaStartLow]
- // EBX now has the number of the starting sector of the data area
- // starting from the beginning of the disk, so subtrace hidden sectors
- sub ebx, [bp+HiddenSectors]
-
-
- xor eax,eax
- mov ax, [bp+TotalSectors]
- cmp ax, 0
- jnz IsFat12_2
- mov eax, [bp+TotalSectorsBig]
-
- // EAX now contains the number of sectors on the volume
-
-IsFat12_2:
- sub eax,ebx // Subtract data area start sector
- xor edx,edx // from total sectors of volume
-
- // EDX:EAX now contains the number of data sectors on the volume
- movzx ebx, byte ptr [bp+SectsPerCluster]
- div ebx
- // EAX now has the number of clusters on the volume
- stc
- cmp eax,4085
- jb IsFat12_Done
- clc
-
-IsFat12_Done:
- ret
-
-
-
-msgLoading: .asciz "Loading FreeLoader...\r\n"
-
- .org 0x1fe // Pad to 510 bytes
- .word 0x0aa55 // BootSector signature
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386cpu.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386cpu.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386cpu.S (removed)
@@ -1,129 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 2003 Eric Kohl
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
- .text
- .code16
-
-#include <arch/pc/x86common.h>
-
-/*
- * U32 CpuidSupported(VOID);
- *
- * RETURNS:
- * 0x00000001: CPU supports the CPUID instruction
- * 0x00000300: Found 80386 CPU
- * 0x00000400: Found 80486 CPU without CPUID support
- */
-
-EXTERN(CpuidSupported)
- .code32
-
- pushl %ecx /* save ECX */
-
- pushfl /* push original EFLAGS */
- popl %eax /* get original EFLAGS */
- movl %eax,%ecx /* save original EFLAGS */
- xorl $0x40000,%eax /* flip AC bit in EFLAGS */
- pushl %eax /* save new EFLAGS value on stack */
- popfl /* replace current EFLAGS value */
-
- pushfl /* get new EFLAGS */
- popl %eax /* store new EFLAGS in EAX */
- xorl %ecx, %eax /* can't toggle AC bit, processor=80386 */
-
- movl $0x300,%eax /* return processor id */
- jz NoCpuid /* jump if 80386 processor */
-
- pushl %ecx
- popfl /* restore AC bit in EFLAGS first */
-
- movl %ecx,%eax /* get original EFLAGS */
- xorl $0x200000,%eax /* flip ID bit in EFLAGS */
- pushl %eax /* save new EFLAGS value on stack */
- popfl /* replace current EFLAGS value */
- pushfl /* get new EFLAGS */
- popl %eax /* store new EFLAGS in EAX */
- xorl %ecx,%eax /* can't toggle ID bit, */
-
- movl $0x400,%eax /* return processor id */
- je NoCpuid /* processor=80486 */
-
- movl $1,%eax /* CPUID supported */
-
-NoCpuid:
- pushl %ecx
- popfl /* restore EFLAGS */
- popl %ecx /* retore ECX */
-
- ret
-
-
-/*
- * VOID GetCpuid(U32 Level, U32 *eax, U32 *ebx, U32 *ecx, U32 *edx);
- */
-
-EXTERN(GetCpuid)
- .code32
-
- pushl %ebp
- movl %esp,%ebp
-
- pushl %eax
- pushl %ebx
- pushl %ecx
- pushl %edx
- pushl %esi
-
- movl 0x08(%ebp),%eax
-
- cpuid
-
- movl 0x0C(%ebp),%esi
- movl %eax,(%esi)
-
- movl 0x10(%ebp),%esi
- movl %ebx,(%esi)
-
- movl 0x14(%ebp),%esi
- movl %ecx,(%esi)
-
- movl 0x18(%ebp),%esi
- movl %edx,(%esi)
-
- popl %esi
- popl %edx
- popl %ecx
- popl %ebx
- popl %eax
-
- movl %ebp,%esp
- popl %ebp
- ret
-
-
-/*
- * U64 RDTSC(VOID);
- */
-
-EXTERN(RDTSC)
- .code32
- rdtsc
- ret
-
-/* EOF */
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386idt.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386idt.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386idt.S (removed)
@@ -1,220 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 1998-2002 Brian Palmer <brianp(a)sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
- .text
- .code16
-
- .p2align 2 /* force 4-byte alignment */
-EXTERN(i386idt)
- /* Exception 0 - Divide By Zero */
- .word i386DivideByZero /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Flags, Zero Byte */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 1 - Debug Exception */
- .word i386DebugException /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 2 - NMI */
- .word i386NMIException /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 3 - Breakpoint (INT 3) */
- .word i386Breakpoint /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 4 - Overflow (INTO with EFLAGS[OF] set) */
- .word i386Overflow /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 5 - Bound Exception */
- .word i386BoundException /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 6 - Invalid Opcode */
- .word i386InvalidOpcode /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 7 - FPU Not Available */
- .word i386FPUNotAvailable /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 8 - Double Fault */
- .word i386DoubleFault /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 9 - Coprocessor Segment Overrun */
- .word i386CoprocessorSegment /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 10 (0x0A) - Invalid TSS */
- .word i386InvalidTSS /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 11 (0x0B) - Segment Not Present */
- .word i386SegmentNotPresent /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 12 (0x0C) - Stack Exception */
- .word i386StackException /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 13 (0x0D) - General Protection Fault */
- .word i386GeneralProtectionFault /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 14 (0x0E) - Page Fault */
- .word i386PageFault /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 15 (0x0F) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 16 (0x10) - Coprocessor Error */
- .word i386CoprocessorError /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 17 (0x11) - Alignment Check */
- .word i386AlignmentCheck /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 18 (0x12) - Machine Check */
- .word i386MachineCheck /* Offset 0 - 15 */
- .word 0x0008 /* Selector */
- .word 0x8e00 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 19 (0x13) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 20 (0x14) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 21 (0x15) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 22 (0x16) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 23 (0x17) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 24 (0x18) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 25 (0x19) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 26 (0x1A) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 27 (0x1B) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 28 (0x1C) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 29 (0x1D) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 30 (0x1E) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
- /* Exception 31 (0x1F) - Reserved */
- .word 0x0000 /* Offset 0 - 15 */
- .word 0x0000 /* Selector */
- .word 0x0000 /* Zero byte, flags */
- .word 0x0000 /* Offset 16 - 31 */
-
-/* IDT table pointer */
-EXTERN(i386idtptr)
- .word (i386idtptr-i386idt) /* Limit */
- .long i386idt /* Base Address */
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386pnp.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386pnp.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386pnp.S (removed)
@@ -1,260 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 2003 Eric Kohl
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <asm.inc>
-
-
- .text
- .code16
-
-#include <arch/pc/x86common.h>
-
-
-/*
- * U32 PnpBiosSupported(VOID);
- *
- * RETURNS:
- */
-_pnp_bios_entry_point:
- .long 0
-_pnp_bios_data_segment:
- .word 0
-
-EXTERN(PnpBiosSupported)
- .code64
-
- push rdi
- push rsi
- push rcx
- push rdx
-
- xor edi, edi
-
- /* init esi */
- mov esi, 0xF0000
-
-pnp_again:
- mov eax, [%esi]
- cmp eax, 0x506E5024 /* "$PnP" */
- je pnp_found
-
- cmp esi, 0xFFFF0
- je pnp_not_found
-
-pnp_add:
- add esi, 0x10
- jmp pnp_again
-
-pnp_found:
- /* first calculate the checksum */
- push rsi
-
- push 0x21
- pop rcx
- xor edx, edx
-
-pnp_loop:
- lodsb
- add dl, al
- loop pnp_loop
-
- test dl, dl
- pop rsi
- jnz pnp_add
-
- mov edi, esi
-
- /* Calculate the bios entry point (far pointer) */
- xor eax, eax
- mov ax, [esi + 0x0F]
- shl eax, 16
- mov ax, [esi + 0x0D]
- mov _pnp_bios_entry_point, eax
-
- /* Store bios data segment */
- mov ax, [esi + 0x1B]
- mov _pnp_bios_data_segment, ax
-
-pnp_not_found:
- mov eax, edi
-
- pop rdx
- pop rcx
- pop rsi
- pop rdi
-
- ret
-
-
-/*
- * U32 PnpBiosGetDeviceNodeCount(U32 *NodeSize, U32 *NodeCount);
- *
- * RETURNS:
- */
-_pnp_result:
- .long 0
-_pnp_node_size:
- .word 0
-_pnp_node_count:
- .word 0
-
-EXTERN(PnpBiosGetDeviceNodeCount)
- .code64
-
- push rbp
- mov rbp, rsp
-
-// pushal FIXME
-// push es
-
- call x86_64_SwitchToReal
- .code16
-
- mov ax, _pnp_bios_data_segment
- push ax
-
- push cs
- mov ax, _pnp_node_size
- push ax
-
- push cs
- mov ax, _pnp_node_count
- push ax
-
- push 0
-
- call [_pnp_bios_entry_point]
- add sp, 12
-
- movzx ecx, ax
- mov _pnp_result, ecx
-
- call x86_16_SwitchToLong
- .code64
-
- mov esi, [rbp + 0x08]
- mov ax, _pnp_node_size
- movzx ecx, ax
- mov [rsi], ecx
-
- mov rsi, [ebp + 0x0C]
- mov ax, _pnp_node_count
- movzx ecx, ax
- mov [rsi], eax
-
-// pop es
-// popal
-
- mov rsp, rbp
- pop rbp
-
- xor rax, rax
- mov eax, _pnp_result
-
- ret
-
-
-/*
- * U32 PnpBiosGetDeviceNode(U8 *NodeId, U8 *NodeBuffer);
- *
- * RETURNS:
- */
-_pnp_buffer_segment:
- .word 0
-_pnp_buffer_offset:
- .word 0
-
-_pnp_node_number:
- .byte 0
-
-EXTERN(PnpBiosGetDeviceNode)
- .code64
-
- push rbp
- mov rbp, rsp
-
-// pushal
-// push es
-
- /* get current node number */
- mov rsi, [rbp + 0x08]
- mov al, [rsi]
- mov _pnp_node_number, al
-
- /* convert pointer to node buffer to segment/offset */
- mov eax, [rbp + 0x0C]
- shr eax, 4
- and eax, 0xf000
- mov _pnp_buffer_segment , ax
- mov eax, [rbp + 0x0C]
- and eax, 0xffff
- mov _pnp_buffer_offset, ax
-
- call x86_64_SwitchToReal
- .code16
-
- /* push bios segment */
- mov ax, _pnp_bios_data_segment
- push ax
-
- /* push control flag */
- push 0x0001
-
- /* push pointer to node buffer (segment/offset) */
- mov ax, _pnp_buffer_segment
- push ax
- mov ax, _pnp_buffer_offset
- push ax
-
- /* push pointer to node number (segment/offset) */
- push cs
- mov ax, _pnp_node_number
- push ax
-
- /* push function number */
- push 1
-
- /* call entry point */
- call [_pnp_bios_entry_point]
- add sp, 14
-
- movzx ecx, ax
- mov _pnp_result, ecx
-
- call x86_16_SwitchToLong
- .code64
-
- /* update node number */
- mov rsi, [rbp + 0x08]
- mov al, _pnp_node_number
- mov [rsi], al
-
-// pop es
-// popal
-
- mov rsp, rbp
- pop rbp
-
- xor rax, rax
- mov eax, _pnp_result
-
- ret
-
-END
-/* EOF */
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386trap.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386trap.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/i386trap.S (removed)
@@ -1,941 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 1998-2002 Brian Palmer <brianp(a)sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
- .text
- .code16
-
-#include <arch/pc/x86common.h>
-#include <ver.h>
-
-#define SCREEN_ATTR 0x1f /* Bright white on blue background */
-
-.macro SAVE_CPU_REGS
- movl %eax,i386_EAX
- movl %ebx,i386_EBX
- movl %ecx,i386_ECX
- movl %edx,i386_EDX
- movl %esp,i386_ESP
- movl %ebp,i386_EBP
- movl %esi,i386_ESI
- movl %edi,i386_EDI
- movw %ds,%ax
- movw %ax,i386_DS
- movw %es,%ax
- movw %ax,i386_ES
- movw %fs,%ax
- movw %ax,i386_FS
- movw %gs,%ax
- movw %ax,i386_GS
- movw %ss,%ax
- movw %ax,i386_SS
- popl %eax
- movl %eax,i386_EIP
- popl %eax
- movw %ax,i386_CS
- popl %eax
- movl %eax,i386_EFLAGS
- movl %cr0,%eax
- movl %eax,i386_CR0
- //movl %cr1,%eax
- //movl %eax,i386_CR1
- movl %cr2,%eax
- movl %eax,i386_CR2
- movl %cr3,%eax
- movl %eax,i386_CR3
- movl %dr0,%eax
- movl %eax,i386_DR0
- movl %dr1,%eax
- movl %eax,i386_DR1
- movl %dr2,%eax
- movl %eax,i386_DR2
- movl %dr3,%eax
- movl %eax,i386_DR3
- movl %dr6,%eax
- movl %eax,i386_DR6
- movl %dr7,%eax
- movl %eax,i386_DR7
- sgdt i386_GDTR
- sidt i386_IDTR
- sldt i386_LDTR
- str i386_TR
-.endm
-
-
-
-i386ExceptionHandlerText:
- .ascii "An error occured in FreeLoader\n"
- .ascii VERSION
- .ascii "\n"
- .asciz "Report this error to the ReactOS Development mailing list
<ros-dev(a)reactos.org>\n\n"
-
-i386DivideByZeroText:
- .asciz "Exception 00: DIVIDE BY ZERO\n\n"
-i386DebugExceptionText:
- .asciz "Exception 01: DEBUG EXCEPTION\n\n"
-i386NMIExceptionText:
- .asciz "Exception 02: NON-MASKABLE INTERRUPT EXCEPTION\n\n"
-i386BreakpointText:
- .asciz "Exception 03: BREAKPOINT (INT 3)\n\n"
-i386OverflowText:
- .asciz "Exception 04: OVERFLOW\n\n"
-i386BoundExceptionText:
- .asciz "Exception 05: BOUND EXCEPTION\n\n"
-i386InvalidOpcodeText:
- .asciz "Exception 06: INVALID OPCODE\n\n"
-i386FPUNotAvailableText:
- .asciz "Exception 07: FPU NOT AVAILABLE\n\n"
-i386DoubleFaultText:
- .asciz "Exception 08: DOUBLE FAULT\n\n"
-i386CoprocessorSegmentText:
- .asciz "Exception 09: COPROCESSOR SEGMENT OVERRUN\n\n"
-i386InvalidTSSText:
- .asciz "Exception 0A: INVALID TSS\n\n"
-i386SegmentNotPresentText:
- .asciz "Exception 0B: SEGMENT NOT PRESENT\n\n"
-i386StackExceptionText:
- .asciz "Exception 0C: STACK EXCEPTION\n\n"
-i386GeneralProtectionFaultText:
- .asciz "Exception 0D: GENERAL PROTECTION FAULT\n\n"
-i386PageFaultText:
- .asciz "Exception 0E: PAGE FAULT\n\n"
-i386CoprocessorErrorText:
- .asciz "Exception 10: COPROCESSOR ERROR\n\n"
-i386AlignmentCheckText:
- .asciz "Exception 11: ALIGNMENT CHECK\n\n"
-i386MachineCheckText:
- .asciz "Exception 12: MACHINE CHECK\n\n"
-
-i386_EAX_Text:
- .asciz "EAX: "
-i386_EBX_Text:
- .asciz "EBX: "
-i386_ECX_Text:
- .asciz "ECX: "
-i386_EDX_Text:
- .asciz "EDX: "
-i386_ESP_Text:
- .asciz " ESP: "
-i386_EBP_Text:
- .asciz " EBP: "
-i386_ESI_Text:
- .asciz " ESI: "
-i386_EDI_Text:
- .asciz " EDI: "
-i386_CS_Text:
- .asciz "CS: "
-i386_DS_Text:
- .asciz "DS: "
-i386_ES_Text:
- .asciz "ES: "
-i386_FS_Text:
- .asciz "FS: "
-i386_GS_Text:
- .asciz "GS: "
-i386_SS_Text:
- .asciz "SS: "
-i386_EFLAGS_Text:
- .asciz " EFLAGS: "
-i386_EIP_Text:
- .asciz " EIP: "
-i386_ERROR_CODE_Text:
- .asciz " ERROR CODE: "
-i386_CR0_Text:
- .asciz " CR0: "
-i386_CR1_Text:
- .asciz " CR1: "
-i386_CR2_Text:
- .asciz " CR2: "
-i386_CR3_Text:
- .asciz " CR3: "
-i386_DR0_Text:
- .asciz " DR0: "
-i386_DR1_Text:
- .asciz " DR1: "
-i386_DR2_Text:
- .asciz " DR2: "
-i386_DR3_Text:
- .asciz " DR3: "
-i386_DR6_Text:
- .asciz " DR6: "
-i386_DR7_Text:
- .asciz " DR7: "
-i386_GDTR_Text:
- .asciz " GDTR Base: "
-i386_IDTR_Text:
- .asciz " IDTR Base: "
-i386_Limit_Text:
- .asciz " Limit: "
-i386_LDTR_Text:
- .asciz " LDTR: "
-i386_TR_Text:
- .asciz " TR: "
-
-i386FramesText:
- .asciz "Frames:\n"
-
-/* Set by each exception handler to the address of the description text */
-i386ExceptionDescriptionText:
- .long 0
-
-/* Used to store the contents of all the registers when an exception occurs */
-i386_EAX:
- .long 0
-i386_EBX:
- .long 0
-i386_ECX:
- .long 0
-i386_EDX:
- .long 0
-i386_ESP:
- .long 0
-i386_EBP:
- .long 0
-i386_ESI:
- .long 0
-i386_EDI:
- .long 0
-i386_CS:
- .word 0
-i386_DS:
- .word 0
-i386_ES:
- .word 0
-i386_FS:
- .word 0
-i386_GS:
- .word 0
-i386_SS:
- .word 0
-i386_EFLAGS:
- .long 0
-i386_EIP:
- .long 0
-i386_ERROR_CODE:
- .long 0
-i386_CR0:
- .long 0
-i386_CR1:
- .long 0
-i386_CR2:
- .long 0
-i386_CR3:
- .long 0
-i386_DR0:
- .long 0
-i386_DR1:
- .long 0
-i386_DR2:
- .long 0
-i386_DR3:
- .long 0
-i386_DR6:
- .long 0
-i386_DR7:
- .long 0
-i386_GDTR:
- .word 0
- .long 0
-i386_IDTR:
- .word 0
- .long 0
-i386_LDTR:
- .word 0
-i386_TR:
- .word 0
-
-/* Used to store the current X and Y position on the screen */
-i386_ScreenPosX:
- .long 0
-i386_ScreenPosY:
- .long 0
-
-/************************************************************************/
-i386CommonExceptionHandler:
- .code32
-
- SAVE_CPU_REGS
-
- pushl $SCREEN_ATTR
- call MachVideoClearScreen
- add $4,%esp
-
- movl $i386ExceptionHandlerText,%esi
- call i386PrintText
-
- movl i386ExceptionDescriptionText,%esi
- call i386PrintText
-
- movl $i386_EAX_Text,%esi
- call i386PrintText
- movl i386_EAX,%eax
- call i386PrintHexDword // Display EAX
- movl $i386_ESP_Text,%esi
- call i386PrintText
- movl i386_ESP,%eax
- call i386PrintHexDword // Display ESP
- movl $i386_CR0_Text,%esi
- call i386PrintText
- movl i386_CR0,%eax
- call i386PrintHexDword // Display CR0
- movl $i386_DR0_Text,%esi
- call i386PrintText
- movl i386_DR0,%eax
- call i386PrintHexDword // Display DR0
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_EBX_Text,%esi
- call i386PrintText
- movl i386_EBX,%eax
- call i386PrintHexDword // Display EBX
- movl $i386_EBP_Text,%esi
- call i386PrintText
- movl i386_EBP,%eax
- call i386PrintHexDword // Display EBP
- movl $i386_CR1_Text,%esi
- call i386PrintText
- movl i386_CR1,%eax
- call i386PrintHexDword // Display CR1
- movl $i386_DR1_Text,%esi
- call i386PrintText
- movl i386_DR1,%eax
- call i386PrintHexDword // Display DR1
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_ECX_Text,%esi
- call i386PrintText
- movl i386_ECX,%eax
- call i386PrintHexDword // Display ECX
- movl $i386_ESI_Text,%esi
- call i386PrintText
- movl i386_ESI,%eax
- call i386PrintHexDword // Display ESI
- movl $i386_CR2_Text,%esi
- call i386PrintText
- movl i386_CR2,%eax
- call i386PrintHexDword // Display CR2
- movl $i386_DR2_Text,%esi
- call i386PrintText
- movl i386_DR2,%eax
- call i386PrintHexDword // Display DR2
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_EDX_Text,%esi
- call i386PrintText
- movl i386_EDX,%eax
- call i386PrintHexDword // Display EDX
- movl $i386_EDI_Text,%esi
- call i386PrintText
- movl i386_EDI,%eax
- call i386PrintHexDword // Display EDI
- movl $i386_CR3_Text,%esi
- call i386PrintText
- movl i386_CR3,%eax
- call i386PrintHexDword // Display CR3
- movl $i386_DR3_Text,%esi
- call i386PrintText
- movl i386_DR3,%eax
- call i386PrintHexDword // Display DR3
- incl i386_ScreenPosY
- movl $55,i386_ScreenPosX
- movl $i386_DR6_Text,%esi
- call i386PrintText
- movl i386_DR6,%eax
- call i386PrintHexDword // Display DR6
- incl i386_ScreenPosY
- movl $55,i386_ScreenPosX
- movl $i386_DR7_Text,%esi
- call i386PrintText
- movl i386_DR7,%eax
- call i386PrintHexDword // Display DR7
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- incl i386_ScreenPosY
- movl $i386_CS_Text,%esi
- call i386PrintText
- movw i386_CS,%ax
- call i386PrintHexWord // Display CS
- movl $i386_EIP_Text,%esi
- call i386PrintText
- movl i386_EIP,%eax
- call i386PrintHexDword // Display EIP
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_DS_Text,%esi
- call i386PrintText
- movw i386_DS,%ax
- call i386PrintHexWord // Display DS
- movl $i386_ERROR_CODE_Text,%esi
- call i386PrintText
- movl i386_ERROR_CODE,%eax
- call i386PrintHexDword // Display ERROR CODE
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_ES_Text,%esi
- call i386PrintText
- movw i386_ES,%ax
- call i386PrintHexWord // Display ES
- movl $i386_EFLAGS_Text,%esi
- call i386PrintText
- movl i386_EFLAGS,%eax
- call i386PrintHexDword // Display EFLAGS
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_FS_Text,%esi
- call i386PrintText
- movw i386_FS,%ax
- call i386PrintHexWord // Display FS
- movl $i386_GDTR_Text,%esi
- call i386PrintText
- movl i386_GDTR+2,%eax
- call i386PrintHexDword // Display GDTR Base
- movl $i386_Limit_Text,%esi
- call i386PrintText
- movw i386_GDTR,%ax
- call i386PrintHexWord // Display GDTR Limit
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_GS_Text,%esi
- call i386PrintText
- movw i386_GS,%ax
- call i386PrintHexWord // Display GS
- movl $i386_IDTR_Text,%esi
- call i386PrintText
- movl i386_IDTR+2,%eax
- call i386PrintHexDword // Display IDTR Base
- movl $i386_Limit_Text,%esi
- call i386PrintText
- movw i386_IDTR,%ax
- call i386PrintHexWord // Display IDTR Limit
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- movl $i386_SS_Text,%esi
- call i386PrintText
- movw i386_SS,%ax
- call i386PrintHexWord // Display SS
- movl $i386_LDTR_Text,%esi
- call i386PrintText
- movw i386_LDTR,%ax
- call i386PrintHexWord // Display LDTR
- movl $i386_TR_Text,%esi
- call i386PrintText
- movw i386_TR,%ax
- call i386PrintHexWord // Display TR
- movl $0,i386_ScreenPosX
- incl i386_ScreenPosY
- incl i386_ScreenPosY
- call i386PrintFrames // Display frames
- incl i386_ScreenPosY
- incl i386_ScreenPosY
-
- cli
-i386ExceptionHandlerHang:
- hlt
- jmp i386ExceptionHandlerHang
-
- iret
-
-i386PrintFrames:
- movl $0,i386_ScreenPosX
- movl $i386FramesText,%esi
- call i386PrintText
-
- movl i386_EBP,%edi
-printnextframe:
- test %edi,%edi
- je nomoreframes
- movl $STACK32ADDR,%eax
- cmpl %edi,%eax
- jbe nomoreframes
- movl 4(%edi),%eax
- pushl %edi
- call i386PrintHexDword // Display frame
- popl %edi
- incl i386_ScreenPosX
- incl i386_ScreenPosX
- movl 0(%edi),%edi
- jmp printnextframe
-nomoreframes:
- ret
-
-/************************************************************************/
-/* AL = Char to display */
-/************************************************************************/
-i386PrintChar:
- .code32
-
- pushl i386_ScreenPosY
- pushl i386_ScreenPosX
- pushl $SCREEN_ATTR
- andl $0xff,%eax
- pushl %eax
- call MachVideoPutChar
- addl $16,%esp
-
- ret
-
-/************************************************************************/
-/* ESI = Address of text to display */
-/************************************************************************/
-i386PrintText:
- .code32
-
-i386PrintTextLoop:
- lodsb
-
- // Check for end of string char
- cmp $0,%al
- je i386PrintTextDone
-
- // Check for newline char
- cmp $0x0a,%al
- jne i386PrintTextLoop2
- incl i386_ScreenPosY
- movl $0,i386_ScreenPosX
- jmp i386PrintTextLoop
-
-i386PrintTextLoop2:
- call i386PrintChar
- incl i386_ScreenPosX
-
- jmp i386PrintTextLoop
-
-i386PrintTextDone:
-
- ret
-
-/************************************************************************/
-/* Prints the value in EAX on the screen in hex */
-/************************************************************************/
-i386PrintHexDword:
- .code32
-
- call i386PrintHex1
-
-i386PrintHex1:
- call i386PrintHex2
-i386PrintHex2:
- call i386PrintHex3
-i386PrintHex3:
- movb $4,%cl
- rol %cl,%eax
- push %eax
- andb $0x0f,%al
- movl $i386PrintHexTable,%ebx
- xlat /*$i386PrintHexTable*/
- call i386PrintChar
- incl i386_ScreenPosX
- pop %eax
-
- ret
-
-i386PrintHexTable:
- .ascii "0123456789ABCDEF"
-
-/************************************************************************/
-/* Prints the value in AX on the screen in hex */
-/************************************************************************/
-i386PrintHexWord:
- .code32
-
- call i386PrintHexWord1
-i386PrintHexWord1:
- call i386PrintHexWord2
-i386PrintHexWord2:
- movb $4,%cl
- rol %cl,%ax
- push %eax
- andb $0x0f,%al
- movl $i386PrintHexTable,%ebx
- xlat /*$i386PrintHexTable*/
- call i386PrintChar
- incl i386_ScreenPosX
- pop %eax
-
- ret
-
-/************************************************************************/
-/* Prints the value in AL on the screen in hex */
-/************************************************************************/
-i386PrintHexByte:
- .code32
-
- call i386PrintHexByte1
-i386PrintHexByte1:
- movb $4,%cl
- rol %cl,%al
- push %eax
- andb $0x0f,%al
- movl $i386PrintHexTable,%ebx
- xlat /*$i386PrintHexTable*/
- call i386PrintChar
- incl i386_ScreenPosX
- pop %eax
-
- ret
-
-/************************************************************************/
-EXTERN(i386DivideByZero)
- .code32
-
- movl $i386DivideByZeroText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386DebugException)
- .code32
-
- movl $i386DebugExceptionText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386NMIException)
- .code32
-
- movl $i386NMIExceptionText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386Breakpoint)
- .code32
-
- movl $i386BreakpointText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386Overflow)
- .code32
-
- movl $i386OverflowText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386BoundException)
- .code32
-
- movl $i386BoundExceptionText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386InvalidOpcode)
- .code32
-
- movl $i386InvalidOpcodeText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386FPUNotAvailable)
- .code32
-
- movl $i386FPUNotAvailableText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386DoubleFault)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386DoubleFaultText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386CoprocessorSegment)
- .code32
-
- movl $i386CoprocessorSegmentText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386InvalidTSS)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386InvalidTSSText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386SegmentNotPresent)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386SegmentNotPresentText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386StackException)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386StackExceptionText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386GeneralProtectionFault)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386GeneralProtectionFaultText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386PageFault)
- .code32
-
- popl %eax
- movl %eax,i386_ERROR_CODE
-
- movl $i386PageFaultText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386CoprocessorError)
- .code32
-
- movl $i386CoprocessorErrorText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386AlignmentCheck)
- .code32
-
- movl $i386AlignmentCheckText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************/
-EXTERN(i386MachineCheck)
- .code32
-
- movl $i386MachineCheckText,i386ExceptionDescriptionText
- jmp i386CommonExceptionHandler
-
-/************************************************************************
- * DEBUGGING SUPPORT FUNCTIONS
- ************************************************************************/
-EXTERN(_INSTRUCTION_BREAKPOINT1)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr0
- movl %dr7,%eax
- andl $0xfff0ffff,%eax
- orl $0x00000303,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_READWRITE_BREAKPOINT1)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr0
- movl %dr7,%eax
- andl $0xfff0ffff,%eax
- orl $0x00030303,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_WRITE_BREAKPOINT1)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr0
- movl %dr7,%eax
- andl $0xfff0ffff,%eax
- orl $0x00010303,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_INSTRUCTION_BREAKPOINT2)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr1
- movl %dr7,%eax
- andl $0xff0fffff,%eax
- orl $0x0000030c,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_READWRITE_BREAKPOINT2)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr1
- movl %dr7,%eax
- andl $0xff0fffff,%eax
- orl $0x0030030c,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_WRITE_BREAKPOINT2)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr1
- movl %dr7,%eax
- andl $0xff0fffff,%eax
- orl $0x0010030c,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_INSTRUCTION_BREAKPOINT3)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr2
- movl %dr7,%eax
- andl $0xf0ffffff,%eax
- orl $0x00000330,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_READWRITE_BREAKPOINT3)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr2
- movl %dr7,%eax
- andl $0xf0ffffff,%eax
- orl $0x03000330,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_WRITE_BREAKPOINT3)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr2
- movl %dr7,%eax
- andl $0xf0ffffff,%eax
- orl $0x01000330,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_INSTRUCTION_BREAKPOINT4)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr3
- movl %dr7,%eax
- andl $0x0fffffff,%eax
- orl $0x000003c0,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_READWRITE_BREAKPOINT4)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr3
- movl %dr7,%eax
- andl $0x0fffffff,%eax
- orl $0x300003c0,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
-
-EXTERN(_MEMORY_WRITE_BREAKPOINT4)
- .code32
-
- pushl %eax
-
- movl 8(%esp),%eax
-
- movl %eax,%dr3
- movl %dr7,%eax
- andl $0x0fffffff,%eax
- orl $0x100003c0,%eax
- movl %eax,%dr7
-
- popl %eax
-
- ret
Modified: trunk/reactos/boot/freeldr/freeldr/arch/amd64/int386.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/int386.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/int386.S [iso-8859-1] Fri Aug 26
13:10:18 2011
@@ -18,157 +18,66 @@
*/
#include <asm.inc>
+#include <arch/pc/x86common.h>
+.code64
+EXTERN CallRealMode:PROC
- .intel_syntax noprefix
- .text
- .code16
+/* int Int386(int ivec<ecx>, REGS* in<rdx>, REGS* out<r8>); */
+PUBLIC Int386
+Int386:
-#include <arch/pc/x86common.h>
+ /* Save home registers */
+ mov r11, rsp
+ mov qword ptr [r11 + 8], rcx
+ mov qword ptr [r11 + 16], rdx
+ mov qword ptr [r11 + 24], r8
-
-Int386_REGS:
-
-Int386_eax:
- .long 0
-Int386_ebx:
- .long 0
-Int386_ecx:
- .long 0
-Int386_edx:
- .long 0
-
-Int386_esi:
- .long 0
-Int386_edi:
- .long 0
-
-Int386_ds:
- .word 0
-Int386_es:
- .word 0
-Int386_fs:
- .word 0
-Int386_gs:
- .word 0
-
-Int386_eflags:
- .long 0
-
-Int386_vector:
- .quad 0
-Int386_regsin:
- .quad 0
-Int386_regsout:
- .quad 0
-
-/*
- * int Int386(int ivec, REGS* in, REGS* out);
- */
-EXTERN(Int386)
- .code64
-
- /* Get the function parameters */
- mov Int386_vector, rcx
- mov Int386_vector_opcode, cl
- mov Int386_regsin, rdx
- mov Int386_regsout, r8
-
- /* Save all registers + segment registers */
-// push ds
-// push es
- push fs
- push gs
+ /* Save non-volatile registers */
push rbx
- push rcx
- push rdx
+ push rbp
push rsi
push rdi
- /* Copy the input regs to our variables */
- lea rdi, Int386_REGS
- mov esi, Int386_regsin
- mov ecx, 0x24
- rep movsb
+ /* Alloc stack space for home registers */
+ sub rsp, 40
+ //.ENDPROLOG
- call x86_64_SwitchToReal
- .code16
+int386_2:
+ /* Copy the int vector to shared memory */
+ mov dword ptr [BSS_IntVector], ecx
- /* Setup the registers */
- mov ax, cs:Int386_ds
- mov ds, ax /* DS register */
- mov ax, cs:Int386_es
- mov es, ax /* ES register */
- mov ax, cs:Int386_fs
- mov fs, ax /* FS register */
- mov ax, cs:Int386_gs
- mov gs, ax /* GS register */
+ /* Copy input registers */
+ mov rsi, rdx
+ mov rdi, BSS_RegisterSet
+ mov rcx, REGS_SIZE / 4
+ rep movsd
- mov eax, cs:Int386_eax /* EAX register */
- mov ebx, cs:Int386_ebx /* EBX register */
- mov ecx, cs:Int386_ecx /* ECX register */
- mov edx, cs:Int386_edx /* EDX register */
+ xor rax, rax
+ xor rbx, rbx
+ xor rcx, rcx
+ xor rdx, rdx
+ xor rbp, rbp
+ xor rsi, rsi
+ xor rdi, rdi
- mov esi, cs:Int386_esi /* ESI register */
- mov edi, cs:Int386_edi /* EDI register */
+ /* Set the function ID and call real mode */
+ mov bx, FNID_Int386
+ call CallRealMode
- /* Do not set the flags register */
- /* only return its value in regsout */
- //pushl Int386_eflags
- //popfl /* EFLAGS register */
+ /* Copy output registers */
+ mov rsi, BSS_RegisterSet
+ mov rdi, [r11 + 24]
+ mov rcx, REGS_SIZE / 4
+ rep movsd
- /* Call the interrupt vector */
- /*int Int386_vector*/
-Int386_int_opcode:
- .byte 0xcd
-Int386_vector_opcode:
- .byte 0x00
+ /* cleanup and return */
+ add rsp, 40
+ pop rdi
+ pop rsi
+ pop rbp
+ pop rbx
+ ret
- /* Save the registers */
- mov cs:Int386_eax, eax /* EAX register */
- mov cs:Int386_ebx, ebx /* EBX register */
- mov cs:Int386_ecx, ecx /* ECX register */
- mov cs:Int386_edx, edx /* EDX register */
-
- mov cs:Int386_esi, esi /* ESI register */
- mov cs:Int386_edi, edi /* EDI register */
-
- mov ax, ds /* DS register */
- mov cs:Int386_ds, ax
- mov ax, es /* ES register */
- mov cs:Int386_es, ax
- mov ax, fs /* FS register */
- mov cs:Int386_fs, ax
- mov ax, gs /* GS register */
- mov cs:Int386_gs, ax
-
- pushf
- pop cs:Int386_eflags /* EFLAGS register */
-
- call x86_16_SwitchToLong
- .code64
-
- /* Copy the variables to the output regs */
- lea rsi, Int386_REGS
- mov rdi, Int386_regsout
- mov rcx, 0x24
- rep movsb
-
- /* Restore segment and all other registers */
- pop rdi
- pop rsi
- pop rdx
- pop rcx
- pop rbx
- pop gs
- pop fs
-// pop es
-// pop ds
-
- /* Get return value */
- xor rax, rax
- mov eax, Int386_eax
-
- ret
END
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/mb.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/mb.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/mb.S (removed)
@@ -1,67 +1,0 @@
-/*
- * FreeLoader
- * Copyright (C) 1998-2002 Brian Palmer <brianp(a)sginet.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <asm.inc>
-
-
- .text
- .code16
-
-#include <arch/pc/x86common.h>
-#include <multiboot.h>
-
- /*
- * Here we assume the kernel is loaded at 1mb
- * This boots the kernel
- */
- .code64
- .globl PageDirectoryStart
-
- .globl pml4_startup
- .globl pdp_startup
- .globl pd_startup
-
- .globl PageDirectoryEnd
-
- //
- // Boot information structure
- //
-
-EXTERN(reactos_memory_map_descriptor_size)
- .long 0
-
-EXTERN(reactos_memory_map)
- .rept (32 * /*sizeof(memory_map_t)*/24)
- .byte 0
- .endr
-
-.bss
-PageDirectoryStart:
-pml4_startup:
- .fill 4096, 1, 0
-
-pdp_startup:
- .fill 4096, 1, 0
-
-pd_startup:
- .fill 4096, 1, 0
-
-PageDirectoryEnd:
-
-END
Added: trunk/reactos/boot/freeldr/freeldr/arch/amd64/pnpbios.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/pnpbios.S (added)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/pnpbios.S [iso-8859-1] Fri Aug 26
13:10:18 2011
@@ -1,0 +1,156 @@
+/*
+ * FreeLoader
+ * Copyright (C) 2003 Eric Kohl
+ * Copyright (C) 2011 Timo Kreuzer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <asm.inc>
+#include <arch/pc/x86common.h>
+
+EXTERN CallRealMode:PROC
+
+.code64
+
+/*
+ * U32 PnpBiosSupported(VOID);
+ *
+ * RETURNS:
+ */
+PUBLIC PnpBiosSupported
+PnpBiosSupported:
+
+ push rdi
+ push rsi
+ push rcx
+ push rdx
+
+ xor rdi, rdi
+
+ /* init rsi */
+ mov rsi, HEX(0F0000)
+
+pnp_again:
+ mov eax, [rsi]
+ cmp eax, HEX(506E5024) /* "$PnP" */
+ je pnp_found
+
+ cmp rsi, HEX(0FFFF0)
+ je pnp_not_found
+
+pnp_add:
+ add rsi, 16
+ jmp pnp_again
+
+pnp_found:
+ /* first calculate the checksum */
+ push rsi
+
+ push HEX(21)
+ pop rcx
+ xor edx, edx
+
+pnp_loop:
+ lodsb
+ add dl, al
+ loop pnp_loop
+
+ test dl, dl
+ pop rsi
+ jnz pnp_add
+
+ mov rdi, rsi
+
+ /* Calculate the bios entry point (far pointer) */
+ xor eax, eax
+ mov ax, [rsi + HEX(0F)]
+ shl eax, 16
+ mov ax, [rsi + HEX(0D)]
+ mov dword ptr [BSS_PnpBiosEntryPoint], eax
+
+ /* Store bios data segment */
+ mov ax, [rsi + HEX(1B)]
+ mov word ptr [BSS_PnpBiosDataSegment], ax
+
+pnp_not_found:
+ mov rax, rdi
+
+ pop rdx
+ pop rcx
+ pop rsi
+ pop rdi
+
+ ret
+
+
+/*
+ * U32 PnpBiosGetDeviceNodeCount(U32 *NodeSize<rcx>, U32 *NodeCount<rdx>);
+ *
+ * RETURNS:
+ */
+PUBLIC PnpBiosGetDeviceNodeCount
+PnpBiosGetDeviceNodeCount:
+
+ /* Call the real mode function */
+ mov bx, FNID_PnpBiosGetDeviceNodeCount
+ call CallRealMode
+
+ xor eax, eax
+ mov ax, [BSS_PnpNodeSize]
+ mov [rcx], eax
+ mov ax, [BSS_PnpNodeCount]
+ mov [rdx], eax
+
+ mov eax, dword ptr [BSS_PnpResult]
+
+ ret
+
+
+
+/*
+ * U32 PnpBiosGetDeviceNode(U8 *NodeId<rcx>, U8 *NodeBuffer<rdx>);
+ *
+ * RETURNS:
+ */
+PUBLIC PnpBiosGetDeviceNode
+PnpBiosGetDeviceNode:
+
+ /* get current node number */
+ mov al, [rcx]
+ mov byte ptr [BSS_PnpNodeNumber], al
+
+ /* convert pointer to node buffer to segment/offset */
+ mov rax, rdx
+ shr eax, 4
+ mov word ptr [BSS_PnpBiosBufferSegment], ax
+ mov rax, rdx
+ and eax, HEX(0f)
+ mov word ptr [BSS_PnpBiosBufferOffset], ax
+
+ /* Call the real mode function */
+ mov bx, FNID_PnpBiosGetDeviceNode
+ call CallRealMode
+
+ /* update node number */
+ mov al, byte ptr [BSS_PnpNodeNumber]
+ mov [rcx], al
+
+ mov eax, [BSS_PnpResult]
+
+ ret
+
+END
+/* EOF */
Propchange: trunk/reactos/boot/freeldr/freeldr/arch/amd64/pnpbios.S
------------------------------------------------------------------------------
svn:eol-style = native
Removed: trunk/reactos/boot/freeldr/freeldr/arch/amd64/stubs.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/amd64/stubs.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/amd64/stubs.S (removed)
@@ -1,48 +1,0 @@
-
-
-#include <asm.inc>
-
-EXTERN BootMain:PROC
-
-.code64
-
-/* 64 bit entry point */
-PUBLIC mainCRTStartup
-mainCRTStartup:
- jmp BootMain
-
-PUBLIC Int386
-Int386:
- ret
-
-PUBLIC __lgdt
-__lgdt:
-
-PUBLIC __ltr
-__ltr:
-
-PUBLIC PxeCallApi
-PxeCallApi:
- .long 0
-
-PUBLIC PageDirectoryStart
-PageDirectoryStart:
- .long 0
-
-PUBLIC PageDirectoryEnd
-PageDirectoryEnd:
- .long 0
-
-PUBLIC PnpBiosGetDeviceNode
-PnpBiosGetDeviceNode:
- .long 0
-
-PUBLIC PnpBiosGetDeviceNodeCount
-PnpBiosGetDeviceNodeCount:
- .long 0
-
-PUBLIC PnpBiosSupported
-PnpBiosSupported:
- .long 0
-
-END
Modified: trunk/reactos/boot/freeldr/freeldr/arch/realmode/amd64.S
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/realmode/amd64.S [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/realmode/amd64.S [iso-8859-1] Fri Aug 26
13:10:18 2011
@@ -69,7 +69,7 @@
/* Build the startup page tables */
call BuildPageTables
- /* Safe real mode entry point in shared memory */
+ /* Store real mode entry point in shared memory */
mov dword ptr ds:[BSS_RealModeEntry], offset RealModeEntryPoint
/* Address the image with es segment */
@@ -242,11 +242,34 @@
InRealMode:
- mov ax, HEX(0b800)
+// mov ax, HEX(0b800)
+// mov es, ax
+// mov word ptr es:[12], HEX(0e00) + '6'
+
+ /* Set real mode segments */
+ xor ax, ax
+ mov ds, ax
mov es, ax
- mov word ptr es:[12], HEX(0e00) + '6'
- jmp $
-
+ mov fs, ax
+ mov gs, ax
+ mov ss, ax
+
+ /* Clear out the high 16-bits of ESP */
+ /* This is needed because I have one */
+ /* machine that hangs when booted to dos if */
+ /* anything other than 0x0000 is in the high */
+ /* 16-bits of ESP. Even though real-mode */
+ /* code should only use SP and not ESP. */
+ xor esp, esp
+
+ /* Restore real mode stack */
+ mov sp, word ptr ds:[stack16]
+
+ // sti /* These are ok now */
+
+ /* Do the callback, specified by bx */
+ shl bx, 1
+ call word ptr ds:CallbackTable[bx]
ExitToLongMode:
/* Disable interrupts */
@@ -271,7 +294,6 @@
mov edx, PML4_ADDRESS
mov cr3, edx
-
/* Enable long mode */
mov ecx, MSR_EFER
rdmsr
@@ -287,12 +309,12 @@
/* Clear prefetch queue & correct CS */
ljmp16 LMODE_CS, InLongMode
InLongMode:
- DB 66h, 0B8h, 18h, 00h // mov ax, LMODE_DS
- DB 66h, 8Eh, 0D8h // mov ds, ax
- DB 66h, 66h, 0C7h, 04h, 25h, 00h, 80h, 0Bh, 00h, 31h, 0Eh
+ //DB 66h, 0B8h, 18h, 00h // mov ax, LMODE_DS
+ //DB 66h, 8Eh, 0D8h // mov ds, ax
+ //DB 66h, 66h, 0C7h, 04h, 25h, 00h, 80h, 0Bh, 00h, 31h, 0Eh
//mov word ptr [HEX(b8000)], HEX(0e00) + '1'
- .byte HEX(0ff), HEX(25) // opcode of indirect jump
+ .byte HEX(0ff), HEX(25) // opcode of 64bit indirect jump
.long 1 // relative address of LongModeEntryPoint
nop
LongModeEntryPoint:
@@ -301,12 +323,23 @@
int HEX(16)
jmp SoftReboot
+CallbackTable:
+ .word Int386
+ .word SoftReboot
+ .word ChainLoadBiosBootSectorCode
+ .word PxeCallApi
+ .word PnpBiosGetDeviceNodeCount
+ .word PnpBiosGetDeviceNode
+ .word 0 // BootLinuxKernel
/* 16-bit stack pointer */
stack16:
.word STACK16ADDR
+#include "int386.inc"
+#include "pxe.inc"
+#include "pnp.inc"
#include "helpers.inc"
.org (FREELDR_PE_BASE - FREELDR_BASE - 1)
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tkreuzer＠svn.reactos.org