98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
/**
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UEFI driver for enabling loading of macOS without memory relocation.
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by dmazar
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**/
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/OcDebugLogLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Guid/GlobalVariable.h>
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#include <Protocol/AptioMemoryFix.h>
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#include "Config.h"
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#include "BootArgs.h"
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#include "BootFixes.h"
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#include "CustomSlide.h"
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#include "RtShims.h"
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#include "ServiceOverrides.h"
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#include "VMem.h"
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//
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// One could discover AptioMemoryFix with this protocol
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//
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STATIC APTIOMEMORYFIX_PROTOCOL mAptioMemoryFixProtocol = {
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APTIOMEMORYFIX_PROTOCOL_REVISION,
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SetBootVariableRedirect
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};
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/**
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* Entry point. Installs our StartImage override.
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* All other stuff will be installed from there when boot.efi is started.
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*/
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EFI_STATUS
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EFIAPI
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AptioMemoryFixEntrypoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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VOID *Interface;
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EFI_HANDLE Handle = NULL;
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Status = gBS->LocateProtocol (
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&gAptioMemoryFixProtocolGuid,
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NULL,
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&Interface
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);
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if (!EFI_ERROR (Status)) {
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//
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// In case for whatever reason one tried to reload the driver.
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//
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return EFI_ALREADY_STARTED;
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}
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Status = gBS->InstallProtocolInterface (
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&Handle,
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&gAptioMemoryFixProtocolGuid,
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EFI_NATIVE_INTERFACE,
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&mAptioMemoryFixProtocol
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);
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if (EFI_ERROR (Status)) {
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OcPrintScreen (L"AMF: protocol install failure - %r\n", Status);
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return Status;
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}
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//
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// Detect and apply the necessary firmware workarounds
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//
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ApplyFirmwareQuirks (ImageHandle, SystemTable);
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//
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// Init VMem memory pool - will be used after ExitBootServices
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//
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Status = VmAllocateMemoryPool ();
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Install permanent shims and overrides
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//
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InstallRtShims (GetVariableCustomSlide);
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InstallBsOverrides ();
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InstallRtOverrides ();
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return EFI_SUCCESS;
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}
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