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OvmfPkg/MemDebugLogLib: unoptimize PEIM and PEI_CORE

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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>
This commit is contained in:
Luigi Leonardi 2025-07-14 17:19:36 +02:00 • committed by mergify[bot]
parent 4b041f09d6
commit 839e79f62b
2 changed files with 23 additions and 34 deletions
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29
OvmfPkg/Library/MemDebugLogLib/MemDebugLogPei.c
View file

@ -12,9 +12,6 @@
#include <Library/QemuFwCfgSimpleParserLib.h>
#include <Library/MemDebugLogLib.h>
EFI_PHYSICAL_ADDRESS mMemDebugLogBufAddr;
BOOLEAN mMemDebugLogBufAddrInit;
EFI_STATUS
EFIAPI
MemDebugLogWrite (
@ -22,23 +19,21 @@ MemDebugLogWrite (
IN UINTN Length
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemDebugLogBufAddr;
EFI_STATUS Status;
if (!mMemDebugLogBufAddrInit) {
//
// Obtain the Memory Debug Log buffer addr from HOB
// NOTE: This is expected to fail until the HOB is created.
//
Status = MemDebugLogAddrFromHOB (&mMemDebugLogBufAddr);
if (EFI_ERROR (Status)) {
mMemDebugLogBufAddr = 0;
} else {
mMemDebugLogBufAddrInit = TRUE;
}
//
// Obtain the Memory Debug Log buffer addr from HOB
// NOTE: This is expected to fail until the HOB is created.
//
Status = MemDebugLogAddrFromHOB (&MemDebugLogBufAddr);
if (EFI_ERROR (Status)) {
MemDebugLogBufAddr = 0;
}
if (mMemDebugLogBufAddr) {
Status = MemDebugLogWriteBuffer (mMemDebugLogBufAddr, Buffer, Length);
if (MemDebugLogBufAddr != 0) {
Status = MemDebugLogWriteBuffer (MemDebugLogBufAddr, Buffer, Length);
} else {
//
// HOB has not yet been created, so

28
OvmfPkg/Library/MemDebugLogLib/MemDebugLogPeiCore.c
View file

@ -11,9 +11,6 @@
#include <Library/PeiServicesLib.h>
#include <Library/MemDebugLogLib.h>
EFI_PHYSICAL_ADDRESS mMemDebugLogBufAddr;
BOOLEAN mMemDebugLogBufAddrInit;
EFI_STATUS
EFIAPI
MemDebugLogWrite (
@ -21,23 +18,20 @@ MemDebugLogWrite (
IN UINTN Length
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS MemDebugLogBufAddr;
EFI_STATUS Status;
if (!mMemDebugLogBufAddrInit) {
//
// Obtain the Memory Debug Log buffer addr from HOB
// NOTE: This is expected to fail until the HOB is created.
//
Status = MemDebugLogAddrFromHOB (&mMemDebugLogBufAddr);
if (EFI_ERROR (Status)) {
mMemDebugLogBufAddr = 0;
} else {
mMemDebugLogBufAddrInit = TRUE;
}
//
// Obtain the Memory Debug Log buffer addr from HOB
// NOTE: This is expected to fail until the HOB is created.
//
Status = MemDebugLogAddrFromHOB (&MemDebugLogBufAddr);
if (EFI_ERROR (Status)) {
MemDebugLogBufAddr = 0;
}
if (mMemDebugLogBufAddr) {
Status = MemDebugLogWriteBuffer (mMemDebugLogBufAddr, Buffer, Length);
if (MemDebugLogBufAddr != 0) {
Status = MemDebugLogWriteBuffer (MemDebugLogBufAddr, Buffer, Length);
} else {
//
// HOB has not yet been created, so