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/ha... ============================================================================== --- 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@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/ha... ============================================================================== --- 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>
-
tkreuzer＠svn.reactos.org