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839e79f62b
In AARCH64, the PEI phase runs from the flash memory, therefore global variables are not allowed. Remove this optimization so that this library can be used for this architecture. Signed-off-by: Luigi Leonardi <leonardi@redhat.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/** @file
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*
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Memory Debug Log Library - PEI Core
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Copyright (C) 2025, Oracle and/or its affiliates.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/MemDebugLogLib.h>
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EFI_STATUS
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EFIAPI
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MemDebugLogWrite (
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IN CHAR8 *Buffer,
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IN UINTN Length
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)
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{
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EFI_PHYSICAL_ADDRESS MemDebugLogBufAddr;
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EFI_STATUS Status;
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//
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// Obtain the Memory Debug Log buffer addr from HOB
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// NOTE: This is expected to fail until the HOB is created.
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//
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Status = MemDebugLogAddrFromHOB (&MemDebugLogBufAddr);
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if (EFI_ERROR (Status)) {
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MemDebugLogBufAddr = 0;
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}
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if (MemDebugLogBufAddr != 0) {
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Status = MemDebugLogWriteBuffer (MemDebugLogBufAddr, Buffer, Length);
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} else {
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//
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// HOB has not yet been created, so
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// write to the early debug log buffer.
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//
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if (FixedPcdGet32 (PcdOvmfEarlyMemDebugLogBase) != 0x0) {
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Status = MemDebugLogWriteBuffer (
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(EFI_PHYSICAL_ADDRESS)(UINTN)FixedPcdGet32 (PcdOvmfEarlyMemDebugLogBase),
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Buffer,
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Length
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);
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} else {
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Status = EFI_NOT_FOUND;
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}
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}
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return Status;
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}
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