Kaimakan71
2472e39635
Started BlpMmDestroy(), MmMdDestroy(), MmPaDestroy(), EfiSetWatchdogTimer(), EfiOpenProtocol(), EfiConInExSetState(), and BlDestroyLibrary(). Completed BlpFwInitialize(). Improved InitializeLibrary().
162 lines
2.6 KiB
C
162 lines
2.6 KiB
C
/*++
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Copyright (c) 2024, Quinn Stephens.
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Provided under the BSD 3-Clause license.
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Module Name:
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mm.c
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Abstract:
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Provides boot library memory manager routines.
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--*/
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#include <ntrtl.h>
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#include "bootlib.h"
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#include "mm.h"
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ULONG MmTranslationType;
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NTSTATUS
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BlpMmDestroy (
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IN ULONG Stage
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)
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/*++
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Routine Description:
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Cleans up after any actions performed by the memory manager.
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After calling this, the memory manager can no longer be used.
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Arguments:
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Stage - Which stage of cleanup to perform.
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Stage 0: Unknown.
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Stage 1: Destroy all MM modules.
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Return Value:
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STATUS_SUCCESS if successful.
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--*/
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{
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NTSTATUS Status, ExitStatus;
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ExitStatus = STATUS_SUCCESS;
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if (Stage == 1) {
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Status = MmMdDestroy();
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if (!NT_SUCCESS(Status)) {
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ExitStatus = Status;
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}
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Status = MmPaDestroy(0);
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if (!NT_SUCCESS(Status)) {
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ExitStatus = Status;
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}
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Status = MmPaDestroy(1);
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if (!NT_SUCCESS(Status)) {
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ExitStatus = Status;
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}
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}
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return ExitStatus;
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}
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NTSTATUS
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BlpMmInitializeConstraints (
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VOID
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)
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/*++
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Routine Description:
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Initializes physical address constraints.
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Arguments:
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None.
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Return Value:
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STATUS_SUCCESS if successful.
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--*/
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{
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//
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// TODO: Implement this routine.
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//
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return STATUS_SUCCESS;
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}
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NTSTATUS
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BlpMmInitialize (
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IN PBOOT_MEMORY_INFO MemoryInfo,
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IN ULONG TranslationType,
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IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
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)
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/*++
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Routine Description:
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Initializes the boot memory manager.
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Arguments:
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MemoryInfo - Pointer to the memory info.
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TranslationType - The current translation type.
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LibraryParameters - Pointer to the library parameters.
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Return Value:
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STATUS_SUCCESS if successful,
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STATUS_INVALID_PARAMETER if TranslationType is invalid,
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Other NTSTATUS value if an error occurs.
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--*/
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{
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NTSTATUS Status;
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//
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// Check TranslationType.
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//
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if (
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TranslationType > TRANSLATION_TYPE_MAX
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|| LibraryParameters->TranslationType > TRANSLATION_TYPE_MAX
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) {
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DebugPrint(L"BlpMmInitialize(): TranslationType is invalid\r\n");
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return STATUS_INVALID_PARAMETER;
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}
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//
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// Initialize memory descriptor manager.
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//
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MmMdInitialize(0, LibraryParameters);
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//
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// Initialize page allocator.
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//
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Status = MmPaInitialize(MemoryInfo, LibraryParameters->MinimumPageAllocation);
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if (!NT_SUCCESS(Status)) {
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return Status;
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}
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MmTranslationType = LibraryParameters->TranslationType;
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//
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// TODO: Finish this routine.
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//
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return STATUS_SUCCESS;
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} |