Use PCD for PMM size and EndOpromShadowAddress to remove hard code value in CSM module.

Signed-off-by: li-elvin
Reviewed-by: jyao1

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12519 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 16 insertions, 38 deletions

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
index 37f009af58..194fee647b 100644
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c
@@ -29,11 +29,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 //

 LEGACY_BIOS_INSTANCE  mPrivateData;

 

-//

-// The end of OPROM shadow address

-//

-UINTN                 mEndOpromShadowAddress = 0;

-

 /**

   Do an AllocatePages () of type AllocateMaxAddress for EfiBootServicesCode

   memory.

@@ -388,23 +383,6 @@ ShadowAndStartLegacy16 (
   Table->EfiSystemTable = (UINT32) (UINTN) gST;

 

   //

-  // Get the end of OPROM shadow address

-  //

-  Status = Private->LegacyBiosPlatform->GetPlatformInfo (

-                                          Private->LegacyBiosPlatform,

-                                          EfiGetPlatformEndOpromShadowAddr,

-                                          NULL,

-                                          NULL,

-                                          &mEndOpromShadowAddress,

-                                          NULL,

-                                          0,

-                                          0

-                                          );

-  if (EFI_ERROR (Status)) {

-    mEndOpromShadowAddress = 0xDFFFF;

-  }

-

-  //

   // IPF CSM integration -Bug

   //

   // Construct the Legacy16 boot memory map. This sets up number of

@@ -905,17 +883,19 @@ LegacyBiosInstall (
   }

 

   //

-  // Allocate a 64k area (16 4k pages) for 16-bit code for scratch pad and zero it out

+  // Allocate low PMM memory and zero it out

   //

+  MemorySize = PcdGet32 (PcdLowPmmMemorySize);

+  ASSERT ((MemorySize & 0xFFF) == 0);  

   Status = AllocateLegacyMemory (

              AllocateMaxAddress,

              CONVENTIONAL_MEMORY_TOP,

-             16,

+             EFI_SIZE_TO_PAGES (MemorySize),

              &MemoryAddressUnder1MB

              );

   ASSERT_EFI_ERROR (Status);

 

-  ZeroMem ((VOID *) ((UINTN) MemoryAddressUnder1MB), 0x10000);

+  ZeroMem ((VOID *) ((UINTN) MemoryAddressUnder1MB), MemorySize);

 

   //

   // Allocate space for thunker and Init Thunker

@@ -940,20 +920,22 @@ LegacyBiosInstall (
   //

   EfiToLegacy16InitTable->BiosLessThan1MB         = (UINT32) MemoryAddressUnder1MB;

   EfiToLegacy16InitTable->LowPmmMemory            = (UINT32) MemoryAddressUnder1MB;

-  EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = 0x10000;

+  EfiToLegacy16InitTable->LowPmmMemorySizeInBytes = MemorySize;

 

   //

-  // Allocate 4 MB of PMM Memory under 16 MB

+  // Allocate high PMM Memory under 16 MB

   //

+  MemorySize = PcdGet32 (PcdHighPmmMemorySize);

+  ASSERT ((MemorySize & 0xFFF) == 0);    

   Status = AllocateLegacyMemory (

              AllocateMaxAddress,

              0x1000000,

-             0x400,

+             EFI_SIZE_TO_PAGES (MemorySize),

              &MemoryAddress

              );

   if (!EFI_ERROR (Status)) {

     EfiToLegacy16InitTable->HiPmmMemory            = (UINT32) (EFI_PHYSICAL_ADDRESS) (UINTN) MemoryAddress;

-    EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = PMM_MEMORY_SIZE;

+    EfiToLegacy16InitTable->HiPmmMemorySizeInBytes = MemorySize;

   }

 

   //

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
index d8806a84ec..4b6635e6bf 100644
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
@@ -137,6 +137,9 @@
 [Pcd]

   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion

   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEbdaReservedMemorySize

+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdEndOpromShadowAddress

+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLowPmmMemorySize

+  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdHighPmmMemorySize

 

 [Depex]

   gEfiLegacyRegion2ProtocolGuid AND gEfiLegacyInterruptProtocolGuid AND gEfiLegacyBiosPlatformProtocolGuid AND gEfiLegacy8259ProtocolGuid AND gEfiGenericMemTestProtocolGuid AND gEfiCpuArchProtocolGuid AND gEfiTimerArchProtocolGuid

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
index 8ab26fe326..71522a0ba4 100644
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
@@ -158,11 +158,6 @@ typedef struct {
 

 #endif

 

-//

-// Miscellaneous numbers

-//

-#define PMM_MEMORY_SIZE         0x400000  // 4 MB

-

 #pragma pack(1)

 

 //

@@ -494,8 +489,6 @@ extern BBS_TABLE           *mBbsTable;
 

 extern EFI_GENERIC_MEMORY_TEST_PROTOCOL *gGenMemoryTest;

 

-extern UINTN               mEndOpromShadowAddress;

-

 #define PORT_70 0x70

 #define PORT_71 0x71

 

diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c
index 7f0ba2d18d..daff975518 100644
--- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c
+++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c
@@ -2301,7 +2301,7 @@ LegacyBiosInstallRom (
     //   then test if there is enough space for its RT code

     //

     RuntimeAddress = Private->OptionRom;

-    if (RuntimeAddress + *RuntimeImageLength > mEndOpromShadowAddress) {

+    if (RuntimeAddress + *RuntimeImageLength > PcdGet32 (PcdEndOpromShadowAddress)) {

       DEBUG ((EFI_D_ERROR, "return LegacyBiosInstallRom(%d): EFI_OUT_OF_RESOURCES (no more space for OpROM)\n", __LINE__));

       gBS->FreePages (PhysicalAddress, EFI_SIZE_TO_PAGES (ImageSize));

       return EFI_OUT_OF_RESOURCES;

@@ -2312,7 +2312,7 @@ LegacyBiosInstallRom (
     //   test if there is enough space for its INIT code

     //

     InitAddress    = PCI_START_ADDRESS (Private->OptionRom);

-    if (InitAddress + ImageSize > mEndOpromShadowAddress) {

+    if (InitAddress + ImageSize > PcdGet32 (PcdEndOpromShadowAddress)) {

       DEBUG ((EFI_D_ERROR, "return LegacyBiosInstallRom(%d): EFI_OUT_OF_RESOURCES (no more space for OpROM)\n", __LINE__));

       return EFI_OUT_OF_RESOURCES;

     }