This will be called from a unified MemDetect function.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <[email protected]>
---
OvmfPkg/PlatformPei/Platform.c | 39 +------------------------------
OvmfPkg/PlatformPei/Platform.h | 7 +++---
OvmfPkg/PlatformPei/Xen.c | 52 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 56 insertions(+), 42 deletions(-)
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index 1eab41f..560d3d2 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -34,10 +34,6 @@
#include <Guid/MemoryTypeInformation.h>
#include <Ppi/MasterBootMode.h>
#include <IndustryStandard/Pci22.h>
-#include <Guid/XenInfo.h>
-#include <IndustryStandard/E820.h>
-#include <Library/ResourcePublicationLib.h>
-#include <Library/MtrrLib.h>
#include "Platform.h"
#include "Cmos.h"
@@ -172,10 +168,6 @@ XenMemMapInitialization (
VOID
)
{
- EFI_E820_ENTRY64 *E820Map;
- UINT32 E820EntriesCount;
- EFI_STATUS Status;
-
DEBUG ((EFI_D_INFO, "Using memory map provided by Xen\n"));
//
@@ -203,36 +195,7 @@ XenMemMapInitialization (
//
AddIoMemoryRangeHob (0x0A0000, BASE_1MB);
- //
- // Parse RAM in E820 map
- //
- Status = XenGetE820Map(&E820Map, &E820EntriesCount);
-
- ASSERT_EFI_ERROR (Status);
-
- if (E820EntriesCount > 0) {
- EFI_E820_ENTRY64 *Entry;
- UINT32 Loop;
-
- for (Loop = 0; Loop < E820EntriesCount; Loop++) {
- Entry = E820Map + Loop;
-
- //
- // Only care about RAM
- //
- if (Entry->Type != EfiAcpiAddressRangeMemory) {
- continue;
- }
-
- if (Entry->BaseAddr >= BASE_4GB) {
- AddUntestedMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
- } else {
- AddMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
- }
-
- MtrrSetMemoryAttribute (Entry->BaseAddr, Entry->Length, CacheWriteBack);
- }
- }
+ XenPublishRamRegions ();
}
diff --git a/OvmfPkg/PlatformPei/Platform.h b/OvmfPkg/PlatformPei/Platform.h
index 4b72ee6..fa1a4bf 100644
--- a/OvmfPkg/PlatformPei/Platform.h
+++ b/OvmfPkg/PlatformPei/Platform.h
@@ -86,10 +86,9 @@ XenDetect (
extern BOOLEAN mXen;
-EFI_STATUS
-XenGetE820Map (
- EFI_E820_ENTRY64 **Entries,
- UINT32 *Count
+VOID
+XenPublishRamRegions (
+ VOID
);
#endif // _PLATFORM_PEI_H_INCLUDED_
diff --git a/OvmfPkg/PlatformPei/Xen.c b/OvmfPkg/PlatformPei/Xen.c
index da3133b..3a2e358 100644
--- a/OvmfPkg/PlatformPei/Xen.c
+++ b/OvmfPkg/PlatformPei/Xen.c
@@ -27,6 +27,9 @@
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Guid/XenInfo.h>
+#include <IndustryStandard/E820.h>
+#include <Library/ResourcePublicationLib.h>
+#include <Library/MtrrLib.h>
#include "Platform.h"
#include "Xen.h"
@@ -149,6 +152,55 @@ XenDetect (
return FALSE;
}
+
+VOID
+XenPublishRamRegions (
+ VOID
+ )
+{
+ EFI_E820_ENTRY64 *E820Map;
+ UINT32 E820EntriesCount;
+ EFI_STATUS Status;
+
+ if (!mXen) {
+ return;
+ }
+
+ DEBUG ((EFI_D_INFO, "Using memory map provided by Xen\n"));
+
+ //
+ // Parse RAM in E820 map
+ //
+ Status = XenGetE820Map (&E820Map, &E820EntriesCount);
+
+ ASSERT_EFI_ERROR (Status);
+
+ if (E820EntriesCount > 0) {
+ EFI_E820_ENTRY64 *Entry;
+ UINT32 Loop;
+
+ for (Loop = 0; Loop < E820EntriesCount; Loop++) {
+ Entry = E820Map + Loop;
+
+ //
+ // Only care about RAM
+ //
+ if (Entry->Type != EfiAcpiAddressRangeMemory) {
+ continue;
+ }
+
+ if (Entry->BaseAddr >= BASE_4GB) {
+ AddUntestedMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
+ } else {
+ AddMemoryBaseSizeHob (Entry->BaseAddr, Entry->Length);
+ }
+
+ MtrrSetMemoryAttribute (Entry->BaseAddr, Entry->Length, CacheWriteBack);
+ }
+ }
+}
+
+
/**
Perform Xen PEI initialization.
--
1.8.5.3
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