5 Jan
2010
5 Jan
'10
12:59 a.m.
Author: tkreuzer
Date: Tue Jan 5 01:59:00 2010
New Revision: 44942
URL: http://svn.reactos.org/svn/reactos?rev=44942&view=rev
Log:
[HAL]
Move x86bios.c into amd64 folder
Added:
branches/ros-amd64-bringup/reactos/hal/halx86/generic/amd64/x86bios.c
- copied unchanged from r44937,
branches/ros-amd64-bringup/reactos/hal/halx86/generic/x86bios.c
Removed:
branches/ros-amd64-bringup/reactos/hal/halx86/generic/x86bios.c
Modified:
branches/ros-amd64-bringup/reactos/hal/halx86/hal_generic.rbuild
Removed: branches/ros-amd64-bringup/reactos/hal/halx86/generic/x86bios.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/hal/h…
==============================================================================
--- branches/ros-amd64-bringup/reactos/hal/halx86/generic/x86bios.c [iso-8859-1]
(original)
+++ branches/ros-amd64-bringup/reactos/hal/halx86/generic/x86bios.c (removed)
@@ -1,317 +1,0 @@
-/*
- * PROJECT: ReactOS HAL
- * LICENSE: See COPYING in the top level directory
- * FILE: hal/halamd64/generic/x86bios.c
- * PURPOSE:
- * PROGRAMMERS: Timo Kreuzer (timo.kreuzer(a)reactos.org)
- */
-
-/* INCLUDES ******************************************************************/
-
-#include <hal.h>
-//#define NDEBUG
-#include <debug.h>
-
-/* This page serves as fallback for pages used by Mm */
-#define DEFAULT_PAGE 0x21
-
-/* GLOBALS *******************************************************************/
-
-BOOLEAN x86BiosIsInitialized;
-LONG x86BiosBufferIsAllocated = 0;
-PUCHAR x86BiosMemoryMapping;
-
-VOID
-NTAPI
-HalInitializeBios(ULONG Unknown, PLOADER_PARAMETER_BLOCK LoaderBlock)
-{
- PPFN_NUMBER PfnArray;
- PFN_NUMBER Pfn, Last;
- PMEMORY_ALLOCATION_DESCRIPTOR Descriptor;
- PLIST_ENTRY ListEntry;
- PMDL Mdl;
-
- /* Allocate an MDL for 1MB */
- Mdl = IoAllocateMdl(NULL, 0x100000, FALSE, FALSE, NULL);
- if (!Mdl)
- {
- ASSERT(FALSE);
- }
-
- /* Get pointer to the pfn array */
- PfnArray = MmGetMdlPfnArray(Mdl);
-
- /* Fill the array with low memory PFNs */
- for (Pfn = 0; Pfn < 0x100; Pfn++)
- {
- PfnArray[Pfn] = Pfn;
- }
-
- /* Loop the memory descriptors */
- for (ListEntry = LoaderBlock->MemoryDescriptorListHead.Flink;
- ListEntry != &LoaderBlock->MemoryDescriptorListHead;
- ListEntry = ListEntry->Flink)
- {
- /* Get the memory descriptor */
- Descriptor = CONTAINING_RECORD(ListEntry,
- MEMORY_ALLOCATION_DESCRIPTOR,
- ListEntry);
-
- /* Check if the memory is in the low range */
- if (Descriptor->BasePage < 0x100)
- {
- /* Check if the memory type is firmware */
- if (Descriptor->MemoryType != LoaderFirmwarePermanent &&
- Descriptor->MemoryType != LoaderFirmwarePermanent)
- {
- /* It's something else, so don't use it! */
- Last = min(Descriptor->BasePage + Descriptor->PageCount, 0x100);
- for (Pfn = Descriptor->BasePage; Pfn < Last; Pfn++)
- {
- /* Set each page to the default page */
- PfnArray[Pfn] = DEFAULT_PAGE;
- }
- }
- }
- }
-
- /* Map the MDL to system space */
- x86BiosMemoryMapping = MmGetSystemAddressForMdlSafe(Mdl, HighPagePriority);
- ASSERT(x86BiosMemoryMapping);
-
- DPRINT1("memory: %p, %p\n", *(PVOID*)x86BiosMemoryMapping,
*(PVOID*)(x86BiosMemoryMapping + 8));
-
- x86BiosIsInitialized = TRUE;
-}
-
-NTSTATUS
-NTAPI
-x86BiosAllocateBuffer (
- ULONG *Size,
- USHORT *Segment,
- USHORT *Offset)
-{
- /* Check if the system is initialized and the buffer is large enough */
- if (!x86BiosIsInitialized || *Size > PAGE_SIZE)
- {
- /* Something was wrong, fail! */
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* Check if the buffer is already allocated */
- if (InterlockedBitTestAndSet(&x86BiosBufferIsAllocated, 0))
- {
- /* Buffer was already allocated, fail */
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- /* The buffer is sufficient, return hardcoded address and size */
- *Size = PAGE_SIZE;
- *Segment = 0x2000;
- *Offset = 0;
-
- return STATUS_SUCCESS;;
-}
-
-NTSTATUS
-NTAPI
-x86BiosFreeBuffer (
- USHORT Segment,
- USHORT Offset)
-{
- /* Check if the system is initialized and if the address matches */
- if (!x86BiosIsInitialized || Segment != 0x2000 || Offset != 0)
- {
- /* Something was wrong, fail */
- return STATUS_INVALID_PARAMETER;
- }
-
- /* Check if the buffer was allocated */
- if (!InterlockedBitTestAndReset(&x86BiosBufferIsAllocated, 0))
- {
- /* It was not, fail */
- return STATUS_INVALID_PARAMETER;
- }
-
- /* Buffer is freed, nothing more to do */
- return STATUS_SUCCESS;;
-}
-
-NTSTATUS
-NTAPI
-x86BiosReadMemory (
- USHORT Segment,
- USHORT Offset,
- PVOID Buffer,
- ULONG Size)
-{
- ULONG_PTR Address;
-
- /* Calculate the physical address */
- Address = (Segment << 4) + Offset;
-
- /* Check if it's valid */
- if (!x86BiosIsInitialized || Address + Size > 0x100000)
- {
- /* Invalid */
- return STATUS_INVALID_PARAMETER;
- }
-
- /* Copy the memory to the buffer */
- RtlCopyMemory(Buffer, x86BiosMemoryMapping + Address, Size);
-
- /* Return success */
- return STATUS_SUCCESS;
-}
-
-NTSTATUS
-NTAPI
-x86BiosWriteMemory (
- USHORT Segment,
- USHORT Offset,
- PVOID Buffer,
- ULONG Size)
-{
- ULONG_PTR Address;
-
- /* Calculate the physical address */
- Address = (Segment << 4) + Offset;
-
- /* Check if it's valid */
- if (!x86BiosIsInitialized || Address + Size > 0x100000)
- {
- /* Invalid */
- return STATUS_INVALID_PARAMETER;
- }
-
- /* Copy the memory from the buffer */
- RtlCopyMemory(x86BiosMemoryMapping + Address, Buffer, Size);
-
- /* Return success */
- return STATUS_SUCCESS;
-}
-
-typedef struct
-{
- union
- {
- ULONG Eax;
- USHORT Ax;
- struct
- {
- UCHAR Al;
- UCHAR Ah;
- };
- };
- union
- {
- ULONG Ecx;
- USHORT Cx;
- struct
- {
- UCHAR Cl;
- UCHAR Ch;
- };
- };
- union
- {
- ULONG Edx;
- USHORT Dx;
- struct
- {
- UCHAR Dl;
- UCHAR Dh;
- };
- };
- union
- {
- ULONG Ebx;
- USHORT Bx;
- struct
- {
- UCHAR Bl;
- UCHAR Bh;
- };
- };
- ULONG Ebp;
- ULONG Esi;
- ULONG Edi;
- USHORT SegDs;
- USHORT SegEs;
-
- /* Extended */
- union
- {
- ULONG Eip;
- USHORT Ip;
- };
-
- union
- {
- ULONG Esp;
- USHORT Sp;
- };
-
-} X86_REGISTERS, *PX86_REGISTERS;
-
-enum
-{
- X86_VMFLAGS_RETURN_ON_IRET = 1,
-};
-
-typedef struct
-{
- union
- {
- X86_BIOS_REGISTERS BiosRegisters;
- X86_REGISTERS Registers;
- };
-
- struct
- {
- ULONG ReturnOnIret:1;
- } Flags;
-
- PVOID MemBuffer;
-} X86_VM_STATE, *PX86_VM_STATE;
-
-BOOLEAN
-NTAPI
-x86BiosCall (
- ULONG InterruptNumber,
- X86_BIOS_REGISTERS *Registers)
-{
- X86_VM_STATE VmState;
-
- /* Zero the VmState */
- RtlZeroMemory(&VmState, sizeof(VmState));
-
- /* Copy the registers */
- VmState.BiosRegisters = *Registers;
-
- /* Set the physical memory buffer */
- VmState.MemBuffer = x86BiosMemoryMapping;
-
- /* Initialize IP from the interrupt vector table */
- VmState.Registers.Ip = ((PUSHORT)x86BiosMemoryMapping)[InterruptNumber];
-
- /* Make the function return on IRET */
- VmState.Flags.ReturnOnIret = 1;
-
- /* Call the x86 emulator */
-// x86Emulator(&VmState);
-
- /* Copy registers back to caller */
- *Registers = VmState.BiosRegisters;
-
- return TRUE;
-}
-
-BOOLEAN
-NTAPI
-HalpBiosDisplayReset(VOID)
-{
- UNIMPLEMENTED;
- return TRUE;
-}
-
Modified: branches/ros-amd64-bringup/reactos/hal/halx86/hal_generic.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/hal/h…
==============================================================================
--- branches/ros-amd64-bringup/reactos/hal/halx86/hal_generic.rbuild [iso-8859-1]
(original)
+++ branches/ros-amd64-bringup/reactos/hal/halx86/hal_generic.rbuild [iso-8859-1] Tue Jan
5 01:59:00 2010
@@ -36,7 +36,6 @@
</directory>
</if>
<if property="ARCH" value="amd64">
- <file>x86bios.c</file>
<directory name="amd64">
<file>halinit.c</file>
<file>irq.s</file>
@@ -44,6 +43,7 @@
<file>pic.c</file>
<file>systimer.S</file>
<file>usage.c</file>
+ <file>x86bios.c</file>
</directory>
</if>
</directory>
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tkreuzer＠svn.reactos.org