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WINLDR: Move i386 specific code to its own file

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svn path=/trunk/; revision=43261
This commit is contained in:
Hervé Poussineau 2009-10-03 12:36:52 +00:00
parent aa4379b267
commit 7f2d93fde9
4 changed files with 97 additions and 71 deletions
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8
reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
View file

@ -100,4 +100,12 @@
</if>
</directory>
<directory name="windows">
<if property="ARCH" value="i386">
<directory name="i386">
<file>ntsetup.c</file>
</directory>
</if>
</directory>
</module>

83
reactos/boot/freeldr/freeldr/windows/i386/ntsetup.c Normal file
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@ -0,0 +1,83 @@
/*
* PROJECT: EFI Windows Loader
* LICENSE: GPL - See COPYING in the top level directory
* FILE: freeldr/windows/i386/ntsetup.c
* PURPOSE: i386-specific setup for Windows boot
* PROGRAMMERS: Aleksey Bragin (aleksey@reactos.org)
*/
/* INCLUDES ***************************************************************/
#include <freeldr.h>
#include <debug.h>
// this is needed for new IDT filling
#if 0
extern ULONG_PTR i386DivideByZero;
extern ULONG_PTR i386DebugException;
extern ULONG_PTR i386NMIException;
extern ULONG_PTR i386Breakpoint;
extern ULONG_PTR i386Overflow;
extern ULONG_PTR i386BoundException;
extern ULONG_PTR i386InvalidOpcode;
extern ULONG_PTR i386FPUNotAvailable;
extern ULONG_PTR i386DoubleFault;
extern ULONG_PTR i386CoprocessorSegment;
extern ULONG_PTR i386InvalidTSS;
extern ULONG_PTR i386SegmentNotPresent;
extern ULONG_PTR i386StackException;
extern ULONG_PTR i386GeneralProtectionFault;
extern ULONG_PTR i386PageFault; // exc 14
extern ULONG_PTR i386CoprocessorError; // exc 16
extern ULONG_PTR i386AlignmentCheck; // exc 17
#endif
/* FUNCTIONS **************************************************************/
// Last step before going virtual
void WinLdrSetupForNt(PLOADER_PARAMETER_BLOCK LoaderBlock,
PVOID *GdtIdt,
ULONG *PcrBasePage,
ULONG *TssBasePage)
{
ULONG TssSize;
ULONG TssPages;
ULONG_PTR Pcr = 0;
ULONG_PTR Tss = 0;
ULONG BlockSize, NumPages;
LoaderBlock->u.I386.CommonDataArea = NULL; // Force No ABIOS support
LoaderBlock->u.I386.MachineType = MACHINE_TYPE_ISA;
/* Allocate 2 pages for PCR */
Pcr = (ULONG_PTR)MmAllocateMemoryWithType(2 * MM_PAGE_SIZE, LoaderStartupPcrPage);
*PcrBasePage = Pcr >> MM_PAGE_SHIFT;
if (Pcr == 0)
{
UiMessageBox("Can't allocate PCR\n");
return;
}
/* Allocate TSS */
TssSize = (sizeof(KTSS) + MM_PAGE_SIZE) & ~(MM_PAGE_SIZE - 1);
TssPages = TssSize / MM_PAGE_SIZE;
Tss = (ULONG_PTR)MmAllocateMemoryWithType(TssSize, LoaderMemoryData);
*TssBasePage = Tss >> MM_PAGE_SHIFT;
/* Allocate space for new GDT + IDT */
BlockSize = NUM_GDT*sizeof(KGDTENTRY) + NUM_IDT*sizeof(KIDTENTRY);//FIXME: Use GDT/IDT limits here?
NumPages = (BlockSize + MM_PAGE_SIZE - 1) >> MM_PAGE_SHIFT;
*GdtIdt = (PKGDTENTRY)MmAllocateMemoryWithType(NumPages * MM_PAGE_SIZE, LoaderMemoryData);
if (*GdtIdt == NULL)
{
UiMessageBox("Can't allocate pages for GDT+IDT!\n");
return;
}
/* Zero newly prepared GDT+IDT */
RtlZeroMemory(*GdtIdt, NumPages << MM_PAGE_SHIFT);
}

56
reactos/boot/freeldr/freeldr/windows/winldr.c
View file

@ -24,6 +24,12 @@
#include <ndk/ldrtypes.h>
#include <debug.h>
// TODO: Move to .h
void WinLdrSetupForNt(PLOADER_PARAMETER_BLOCK LoaderBlock,
PVOID *GdtIdt,
ULONG *PcrBasePage,
ULONG *TssBasePage);
//FIXME: Do a better way to retrieve Arc disk information
extern ULONG reactos_disk_count;
extern ARC_DISK_SIGNATURE reactos_arc_disk_info[];
@ -91,8 +97,6 @@ WinLdrInitializePhase1(PLOADER_PARAMETER_BLOCK LoaderBlock,
ULONG i, PathSeparator;
PLOADER_PARAMETER_EXTENSION Extension;
LoaderBlock->u.I386.CommonDataArea = NULL; // Force No ABIOS support
/* Construct SystemRoot and ArcBoot from SystemPath */
PathSeparator = strstr(BootPath, "\\") - BootPath;
strncpy(ArcBoot, BootPath, PathSeparator);
@ -205,54 +209,6 @@ WinLdrInitializePhase1(PLOADER_PARAMETER_BLOCK LoaderBlock,
LoaderBlock->SetupLdrBlock = PaToVa(LoaderBlock->SetupLdrBlock);
}
// Last step before going virtual
void WinLdrSetupForNt(PLOADER_PARAMETER_BLOCK LoaderBlock,
PVOID *GdtIdt,
ULONG *PcrBasePage,
ULONG *TssBasePage)
{
ULONG TssSize;
ULONG TssPages;
ULONG_PTR Pcr = 0;
ULONG_PTR Tss = 0;
ULONG BlockSize, NumPages;
LoaderBlock->u.I386.CommonDataArea = NULL; //CommonDataArea;
LoaderBlock->u.I386.MachineType = 0; // ntldr sets this to 0
/* Allocate 2 pages for PCR */
Pcr = (ULONG_PTR)MmAllocateMemoryWithType(2 * MM_PAGE_SIZE, LoaderStartupPcrPage);
*PcrBasePage = Pcr >> MM_PAGE_SHIFT;
if (Pcr == 0)
{
UiMessageBox("Can't allocate PCR\n");
return;
}
/* Allocate TSS */
TssSize = (sizeof(KTSS) + MM_PAGE_SIZE) & ~(MM_PAGE_SIZE - 1);
TssPages = TssSize / MM_PAGE_SIZE;
Tss = (ULONG_PTR)MmAllocateMemoryWithType(TssSize, LoaderMemoryData);
*TssBasePage = Tss >> MM_PAGE_SHIFT;
/* Allocate space for new GDT + IDT */
BlockSize = NUM_GDT*sizeof(KGDTENTRY) + NUM_IDT*sizeof(KIDTENTRY);//FIXME: Use GDT/IDT limits here?
NumPages = (BlockSize + MM_PAGE_SIZE - 1) >> MM_PAGE_SHIFT;
*GdtIdt = (PKGDTENTRY)MmAllocateMemoryWithType(NumPages * MM_PAGE_SIZE, LoaderMemoryData);
if (*GdtIdt == NULL)
{
UiMessageBox("Can't allocate pages for GDT+IDT!\n");
return;
}
/* Zero newly prepared GDT+IDT */
RtlZeroMemory(*GdtIdt, NumPages << MM_PAGE_SHIFT);
}
BOOLEAN
WinLdrLoadDeviceDriver(PLOADER_PARAMETER_BLOCK LoaderBlock,
LPSTR BootPath,

21
reactos/boot/freeldr/freeldr/windows/wlmemory.c
View file

@ -77,27 +77,6 @@ WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss);
} GDTIDT;
#pragma pack(4)
// this is needed for new IDT filling
#if 0
extern ULONG_PTR i386DivideByZero;
extern ULONG_PTR i386DebugException;
extern ULONG_PTR i386NMIException;
extern ULONG_PTR i386Breakpoint;
extern ULONG_PTR i386Overflow;
extern ULONG_PTR i386BoundException;
extern ULONG_PTR i386InvalidOpcode;
extern ULONG_PTR i386FPUNotAvailable;
extern ULONG_PTR i386DoubleFault;
extern ULONG_PTR i386CoprocessorSegment;
extern ULONG_PTR i386InvalidTSS;
extern ULONG_PTR i386SegmentNotPresent;
extern ULONG_PTR i386StackException;
extern ULONG_PTR i386GeneralProtectionFault;
extern ULONG_PTR i386PageFault; // exc 14
extern ULONG_PTR i386CoprocessorError; // exc 16
extern ULONG_PTR i386AlignmentCheck; // exc 17
#endif
/* GLOBALS ***************************************************************/
PHARDWARE_PTE PDE;