/**@file\r
Platform PEI driver\r
\r
- Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
Copyright (c) 2011, Andrei Warkentin <andreiw@motorola.com>\r
\r
This program and the accompanying materials\r
//\r
// The Library classes this module consumes\r
//\r
+#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/IoLib.h>\r
#include <Library/PciLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PeiServicesLib.h>\r
+#include <Library/QemuFwCfgLib.h>\r
+#include <Library/QemuFwCfgS3Lib.h>\r
#include <Library/ResourcePublicationLib.h>\r
#include <Guid/MemoryTypeInformation.h>\r
#include <Ppi/MasterBootMode.h>\r
+#include <IndustryStandard/Pci22.h>\r
+#include <OvmfPlatforms.h>\r
\r
#include "Platform.h"\r
#include "Cmos.h"\r
};\r
\r
\r
+UINT16 mHostBridgeDevId;\r
+\r
+EFI_BOOT_MODE mBootMode = BOOT_WITH_FULL_CONFIGURATION;\r
+\r
+BOOLEAN mS3Supported = FALSE;\r
+\r
+UINT32 mMaxCpuCount;\r
+\r
VOID\r
AddIoMemoryBaseSizeHob (\r
EFI_PHYSICAL_ADDRESS MemoryBase,\r
VOID\r
AddReservedMemoryBaseSizeHob (\r
EFI_PHYSICAL_ADDRESS MemoryBase,\r
- UINT64 MemorySize\r
+ UINT64 MemorySize,\r
+ BOOLEAN Cacheable\r
)\r
{\r
BuildResourceDescriptorHob (\r
EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
+ (Cacheable ?\r
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE :\r
+ 0\r
+ ) |\r
EFI_RESOURCE_ATTRIBUTE_TESTED,\r
MemoryBase,\r
MemorySize\r
\r
\r
VOID\r
-AddUntestedMemoryBaseSizeHob (\r
- EFI_PHYSICAL_ADDRESS MemoryBase,\r
- UINT64 MemorySize\r
- )\r
-{\r
- BuildResourceDescriptorHob (\r
- EFI_RESOURCE_SYSTEM_MEMORY,\r
- EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
- EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
- EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
- EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE,\r
- MemoryBase,\r
- MemorySize\r
- );\r
-}\r
-\r
-\r
-VOID\r
-AddUntestedMemoryRangeHob (\r
- EFI_PHYSICAL_ADDRESS MemoryBase,\r
- EFI_PHYSICAL_ADDRESS MemoryLimit\r
+MemMapInitialization (\r
+ VOID\r
)\r
{\r
- AddUntestedMemoryBaseSizeHob (MemoryBase, (UINT64)(MemoryLimit - MemoryBase));\r
-}\r
+ UINT64 PciIoBase;\r
+ UINT64 PciIoSize;\r
+ RETURN_STATUS PcdStatus;\r
\r
+ PciIoBase = 0xC000;\r
+ PciIoSize = 0x4000;\r
\r
-VOID\r
-MemMapInitialization (\r
- EFI_PHYSICAL_ADDRESS TopOfMemory\r
- )\r
-{\r
//\r
// Create Memory Type Information HOB\r
//\r
sizeof(mDefaultMemoryTypeInformation)\r
);\r
\r
+ //\r
+ // Video memory + Legacy BIOS region\r
+ //\r
+ AddIoMemoryRangeHob (0x0A0000, BASE_1MB);\r
+\r
+ if (!mXen) {\r
+ UINT32 TopOfLowRam;\r
+ UINT64 PciExBarBase;\r
+ UINT32 PciBase;\r
+ UINT32 PciSize;\r
+\r
+ TopOfLowRam = GetSystemMemorySizeBelow4gb ();\r
+ PciExBarBase = 0;\r
+ if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {\r
+ //\r
+ // The MMCONFIG area is expected to fall between the top of low RAM and\r
+ // the base of the 32-bit PCI host aperture.\r
+ //\r
+ PciExBarBase = FixedPcdGet64 (PcdPciExpressBaseAddress);\r
+ ASSERT (TopOfLowRam <= PciExBarBase);\r
+ ASSERT (PciExBarBase <= MAX_UINT32 - SIZE_256MB);\r
+ PciBase = (UINT32)(PciExBarBase + SIZE_256MB);\r
+ } else {\r
+ PciBase = (TopOfLowRam < BASE_2GB) ? BASE_2GB : TopOfLowRam;\r
+ }\r
+\r
+ //\r
+ // address purpose size\r
+ // ------------ -------- -------------------------\r
+ // max(top, 2g) PCI MMIO 0xFC000000 - max(top, 2g)\r
+ // 0xFC000000 gap 44 MB\r
+ // 0xFEC00000 IO-APIC 4 KB\r
+ // 0xFEC01000 gap 1020 KB\r
+ // 0xFED00000 HPET 1 KB\r
+ // 0xFED00400 gap 111 KB\r
+ // 0xFED1C000 gap (PIIX4) / RCRB (ICH9) 16 KB\r
+ // 0xFED20000 gap 896 KB\r
+ // 0xFEE00000 LAPIC 1 MB\r
+ //\r
+ PciSize = 0xFC000000 - PciBase;\r
+ AddIoMemoryBaseSizeHob (PciBase, PciSize);\r
+ PcdStatus = PcdSet64S (PcdPciMmio32Base, PciBase);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+ PcdStatus = PcdSet64S (PcdPciMmio32Size, PciSize);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+\r
+ AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_4KB);\r
+ AddIoMemoryBaseSizeHob (0xFED00000, SIZE_1KB);\r
+ if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {\r
+ AddIoMemoryBaseSizeHob (ICH9_ROOT_COMPLEX_BASE, SIZE_16KB);\r
+ //\r
+ // Note: there should be an\r
+ //\r
+ // AddIoMemoryBaseSizeHob (PciExBarBase, SIZE_256MB);\r
+ //\r
+ // call below, just like the one above for RCBA. However, Linux insists\r
+ // that the MMCONFIG area be marked in the E820 or UEFI memory map as\r
+ // "reserved memory" -- Linux does not content itself with a simple gap\r
+ // in the memory map wherever the MCFG ACPI table points to.\r
+ //\r
+ // This appears to be a safety measure. The PCI Firmware Specification\r
+ // (rev 3.1) says in 4.1.2. "MCFG Table Description": "The resources can\r
+ // *optionally* be returned in [...] EFIGetMemoryMap as reserved memory\r
+ // [...]". (Emphasis added here.)\r
+ //\r
+ // Normally we add memory resource descriptor HOBs in\r
+ // QemuInitializeRam(), and pre-allocate from those with memory\r
+ // allocation HOBs in InitializeRamRegions(). However, the MMCONFIG area\r
+ // is most definitely not RAM; so, as an exception, cover it with\r
+ // uncacheable reserved memory right here.\r
+ //\r
+ AddReservedMemoryBaseSizeHob (PciExBarBase, SIZE_256MB, FALSE);\r
+ BuildMemoryAllocationHob (PciExBarBase, SIZE_256MB,\r
+ EfiReservedMemoryType);\r
+ }\r
+ AddIoMemoryBaseSizeHob (PcdGet32(PcdCpuLocalApicBaseAddress), SIZE_1MB);\r
+\r
+ //\r
+ // On Q35, the IO Port space is available for PCI resource allocations from\r
+ // 0x6000 up.\r
+ //\r
+ if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {\r
+ PciIoBase = 0x6000;\r
+ PciIoSize = 0xA000;\r
+ ASSERT ((ICH9_PMBASE_VALUE & 0xF000) < PciIoBase);\r
+ }\r
+ }\r
+\r
//\r
// Add PCI IO Port space available for PCI resource allocations.\r
//\r
EFI_RESOURCE_IO,\r
EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
EFI_RESOURCE_ATTRIBUTE_INITIALIZED,\r
- 0xC000,\r
- 0x4000\r
+ PciIoBase,\r
+ PciIoSize\r
);\r
+ PcdStatus = PcdSet64S (PcdPciIoBase, PciIoBase);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+ PcdStatus = PcdSet64S (PcdPciIoSize, PciIoSize);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+}\r
+\r
+EFI_STATUS\r
+GetNamedFwCfgBoolean (\r
+ IN CHAR8 *FwCfgFileName,\r
+ OUT BOOLEAN *Setting\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ FIRMWARE_CONFIG_ITEM FwCfgItem;\r
+ UINTN FwCfgSize;\r
+ UINT8 Value[3];\r
+\r
+ Status = QemuFwCfgFindFile (FwCfgFileName, &FwCfgItem, &FwCfgSize);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ if (FwCfgSize > sizeof Value) {\r
+ return EFI_BAD_BUFFER_SIZE;\r
+ }\r
+ QemuFwCfgSelectItem (FwCfgItem);\r
+ QemuFwCfgReadBytes (FwCfgSize, Value);\r
+\r
+ if ((FwCfgSize == 1) ||\r
+ (FwCfgSize == 2 && Value[1] == '\n') ||\r
+ (FwCfgSize == 3 && Value[1] == '\r' && Value[2] == '\n')) {\r
+ switch (Value[0]) {\r
+ case '0':\r
+ case 'n':\r
+ case 'N':\r
+ *Setting = FALSE;\r
+ return EFI_SUCCESS;\r
+\r
+ case '1':\r
+ case 'y':\r
+ case 'Y':\r
+ *Setting = TRUE;\r
+ return EFI_SUCCESS;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+ return EFI_PROTOCOL_ERROR;\r
+}\r
+\r
+#define UPDATE_BOOLEAN_PCD_FROM_FW_CFG(TokenName) \\r
+ do { \\r
+ BOOLEAN Setting; \\r
+ RETURN_STATUS PcdStatus; \\r
+ \\r
+ if (!EFI_ERROR (GetNamedFwCfgBoolean ( \\r
+ "opt/ovmf/" #TokenName, &Setting))) { \\r
+ PcdStatus = PcdSetBoolS (TokenName, Setting); \\r
+ ASSERT_RETURN_ERROR (PcdStatus); \\r
+ } \\r
+ } while (0)\r
+\r
+VOID\r
+NoexecDxeInitialization (\r
+ VOID\r
+ )\r
+{\r
+ UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdPropertiesTableEnable);\r
+ UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdSetNxForStack);\r
+}\r
+\r
+VOID\r
+PciExBarInitialization (\r
+ VOID\r
+ )\r
+{\r
+ union {\r
+ UINT64 Uint64;\r
+ UINT32 Uint32[2];\r
+ } PciExBarBase;\r
\r
//\r
- // Video memory + Legacy BIOS region\r
+ // We only support the 256MB size for the MMCONFIG area:\r
+ // 256 buses * 32 devices * 8 functions * 4096 bytes config space.\r
//\r
- AddIoMemoryRangeHob (0x0A0000, BASE_1MB);\r
+ // The masks used below enforce the Q35 requirements that the MMCONFIG area\r
+ // be (a) correctly aligned -- here at 256 MB --, (b) located under 64 GB.\r
+ //\r
+ // Note that (b) also ensures that the minimum address width we have\r
+ // determined in AddressWidthInitialization(), i.e., 36 bits, will suffice\r
+ // for DXE's page tables to cover the MMCONFIG area.\r
+ //\r
+ PciExBarBase.Uint64 = FixedPcdGet64 (PcdPciExpressBaseAddress);\r
+ ASSERT ((PciExBarBase.Uint32[1] & MCH_PCIEXBAR_HIGHMASK) == 0);\r
+ ASSERT ((PciExBarBase.Uint32[0] & MCH_PCIEXBAR_LOWMASK) == 0);\r
\r
//\r
- // address purpose size\r
- // ------------ -------- -------------------------\r
- // max(top, 2g) PCI MMIO 0xFC000000 - max(top, 2g)\r
- // 0xFC000000 gap 44 MB\r
- // 0xFEC00000 IO-APIC 4 KB\r
- // 0xFEC01000 gap 1020 KB\r
- // 0xFED00000 HPET 1 KB\r
- // 0xFED00400 gap 1023 KB\r
- // 0xFEE00000 LAPIC 1 MB\r
- //\r
- AddIoMemoryRangeHob (TopOfMemory < BASE_2GB ? BASE_2GB : TopOfMemory, 0xFC000000);\r
- AddIoMemoryBaseSizeHob (0xFEC00000, SIZE_4KB);\r
- AddIoMemoryBaseSizeHob (0xFED00000, SIZE_1KB);\r
- AddIoMemoryBaseSizeHob (PcdGet32(PcdCpuLocalApicBaseAddress), SIZE_1MB);\r
-}\r
+ // Clear the PCIEXBAREN bit first, before programming the high register.\r
+ //\r
+ PciWrite32 (DRAMC_REGISTER_Q35 (MCH_PCIEXBAR_LOW), 0);\r
\r
+ //\r
+ // Program the high register. Then program the low register, setting the\r
+ // MMCONFIG area size and enabling decoding at once.\r
+ //\r
+ PciWrite32 (DRAMC_REGISTER_Q35 (MCH_PCIEXBAR_HIGH), PciExBarBase.Uint32[1]);\r
+ PciWrite32 (\r
+ DRAMC_REGISTER_Q35 (MCH_PCIEXBAR_LOW),\r
+ PciExBarBase.Uint32[0] | MCH_PCIEXBAR_BUS_FF | MCH_PCIEXBAR_EN\r
+ );\r
+}\r
\r
VOID\r
MiscInitialization (\r
- BOOLEAN Xen\r
+ VOID\r
)\r
{\r
+ UINTN PmCmd;\r
+ UINTN Pmba;\r
+ UINT32 PmbaAndVal;\r
+ UINT32 PmbaOrVal;\r
+ UINTN AcpiCtlReg;\r
+ UINT8 AcpiEnBit;\r
+ RETURN_STATUS PcdStatus;\r
+\r
//\r
// Disable A20 Mask\r
//\r
IoOr8 (0x92, BIT1);\r
\r
//\r
- // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r
+ // Build the CPU HOB with guest RAM size dependent address width and 16-bits\r
+ // of IO space. (Side note: unlike other HOBs, the CPU HOB is needed during\r
+ // S3 resume as well, so we build it unconditionally.)\r
//\r
- BuildCpuHob (36, 16);\r
+ BuildCpuHob (mPhysMemAddressWidth, 16);\r
\r
- if (!Xen) {\r
+ //\r
+ // Determine platform type and save Host Bridge DID to PCD\r
+ //\r
+ switch (mHostBridgeDevId) {\r
+ case INTEL_82441_DEVICE_ID:\r
+ PmCmd = POWER_MGMT_REGISTER_PIIX4 (PCI_COMMAND_OFFSET);\r
+ Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r
+ PmbaAndVal = ~(UINT32)PIIX4_PMBA_MASK;\r
+ PmbaOrVal = PIIX4_PMBA_VALUE;\r
+ AcpiCtlReg = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMREGMISC);\r
+ AcpiEnBit = PIIX4_PMREGMISC_PMIOSE;\r
+ break;\r
+ case INTEL_Q35_MCH_DEVICE_ID:\r
+ PmCmd = POWER_MGMT_REGISTER_Q35 (PCI_COMMAND_OFFSET);\r
+ Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r
+ PmbaAndVal = ~(UINT32)ICH9_PMBASE_MASK;\r
+ PmbaOrVal = ICH9_PMBASE_VALUE;\r
+ AcpiCtlReg = POWER_MGMT_REGISTER_Q35 (ICH9_ACPI_CNTL);\r
+ AcpiEnBit = ICH9_ACPI_CNTL_ACPI_EN;\r
+ break;\r
+ default:\r
+ DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r
+ __FUNCTION__, mHostBridgeDevId));\r
+ ASSERT (FALSE);\r
+ return;\r
+ }\r
+ PcdStatus = PcdSet16S (PcdOvmfHostBridgePciDevId, mHostBridgeDevId);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+\r
+ //\r
+ // If the appropriate IOspace enable bit is set, assume the ACPI PMBA\r
+ // has been configured (e.g., by Xen) and skip the setup here.\r
+ // This matches the logic in AcpiTimerLibConstructor ().\r
+ //\r
+ if ((PciRead8 (AcpiCtlReg) & AcpiEnBit) == 0) {\r
//\r
- // Set the PM I/O base address to 0x400\r
+ // The PEI phase should be exited with fully accessibe ACPI PM IO space:\r
+ // 1. set PMBA\r
//\r
- PciAndThenOr32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40), (UINT32) ~0xfc0, 0x400);\r
+ PciAndThenOr32 (Pmba, PmbaAndVal, PmbaOrVal);\r
+\r
+ //\r
+ // 2. set PCICMD/IOSE\r
+ //\r
+ PciOr8 (PmCmd, EFI_PCI_COMMAND_IO_SPACE);\r
+\r
+ //\r
+ // 3. set ACPI PM IO enable bit (PMREGMISC:PMIOSE or ACPI_CNTL:ACPI_EN)\r
+ //\r
+ PciOr8 (AcpiCtlReg, AcpiEnBit);\r
+ }\r
+\r
+ if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {\r
+ //\r
+ // Set Root Complex Register Block BAR\r
+ //\r
+ PciWrite32 (\r
+ POWER_MGMT_REGISTER_Q35 (ICH9_RCBA),\r
+ ICH9_ROOT_COMPLEX_BASE | ICH9_RCBA_EN\r
+ );\r
+\r
+ //\r
+ // Set PCI Express Register Range Base Address\r
+ //\r
+ PciExBarInitialization ();\r
}\r
}\r
\r
\r
VOID\r
BootModeInitialization (\r
+ VOID\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
+\r
+ if (CmosRead8 (0xF) == 0xFE) {\r
+ mBootMode = BOOT_ON_S3_RESUME;\r
+ }\r
+ CmosWrite8 (0xF, 0x00);\r
\r
- Status = PeiServicesSetBootMode (BOOT_WITH_FULL_CONFIGURATION);\r
+ Status = PeiServicesSetBootMode (mBootMode);\r
ASSERT_EFI_ERROR (Status);\r
\r
Status = PeiServicesInstallPpi (mPpiBootMode);\r
)\r
{\r
EFI_PHYSICAL_ADDRESS VariableStore;\r
+ RETURN_STATUS PcdStatus;\r
\r
//\r
// Allocate storage for NV variables early on so it will be\r
//\r
VariableStore =\r
(EFI_PHYSICAL_ADDRESS)(UINTN)\r
- AllocateRuntimePool (\r
- 2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)\r
+ AllocateRuntimePages (\r
+ EFI_SIZE_TO_PAGES (2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize))\r
);\r
DEBUG ((EFI_D_INFO,\r
"Reserved variable store memory: 0x%lX; size: %dkb\n",\r
VariableStore,\r
(2 * PcdGet32 (PcdFlashNvStorageFtwSpareSize)) / 1024\r
));\r
- PcdSet64 (PcdEmuVariableNvStoreReserved, VariableStore);\r
+ PcdStatus = PcdSet64S (PcdEmuVariableNvStoreReserved, VariableStore);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
}\r
\r
\r
VOID\r
)\r
{\r
- UINTN Loop;\r
+ UINT32 Loop;\r
\r
DEBUG ((EFI_D_INFO, "CMOS:\n"));\r
\r
}\r
\r
\r
+VOID\r
+S3Verification (\r
+ VOID\r
+ )\r
+{\r
+#if defined (MDE_CPU_X64)\r
+ if (FeaturePcdGet (PcdSmmSmramRequire) && mS3Supported) {\r
+ DEBUG ((EFI_D_ERROR,\r
+ "%a: S3Resume2Pei doesn't support X64 PEI + SMM yet.\n", __FUNCTION__));\r
+ DEBUG ((EFI_D_ERROR,\r
+ "%a: Please disable S3 on the QEMU command line (see the README),\n",\r
+ __FUNCTION__));\r
+ DEBUG ((EFI_D_ERROR,\r
+ "%a: or build OVMF with \"OvmfPkgIa32X64.dsc\".\n", __FUNCTION__));\r
+ ASSERT (FALSE);\r
+ CpuDeadLoop ();\r
+ }\r
+#endif\r
+}\r
+\r
+\r
+/**\r
+ Fetch the number of boot CPUs from QEMU and expose it to UefiCpuPkg modules.\r
+ Set the mMaxCpuCount variable.\r
+**/\r
+VOID\r
+MaxCpuCountInitialization (\r
+ VOID\r
+ )\r
+{\r
+ UINT16 ProcessorCount;\r
+ RETURN_STATUS PcdStatus;\r
+\r
+ QemuFwCfgSelectItem (QemuFwCfgItemSmpCpuCount);\r
+ ProcessorCount = QemuFwCfgRead16 ();\r
+ //\r
+ // If the fw_cfg key or fw_cfg entirely is unavailable, load mMaxCpuCount\r
+ // from the PCD default. No change to PCDs.\r
+ //\r
+ if (ProcessorCount == 0) {\r
+ mMaxCpuCount = PcdGet32 (PcdCpuMaxLogicalProcessorNumber);\r
+ return;\r
+ }\r
+ //\r
+ // Otherwise, set mMaxCpuCount to the value reported by QEMU.\r
+ //\r
+ mMaxCpuCount = ProcessorCount;\r
+ //\r
+ // Additionally, tell UefiCpuPkg modules (a) the exact number of VCPUs, (b)\r
+ // to wait, in the initial AP bringup, exactly as long as it takes for all of\r
+ // the APs to report in. For this, we set the longest representable timeout\r
+ // (approx. 71 minutes).\r
+ //\r
+ PcdStatus = PcdSet32S (PcdCpuMaxLogicalProcessorNumber, ProcessorCount);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+ PcdStatus = PcdSet32S (PcdCpuApInitTimeOutInMicroSeconds, MAX_UINT32);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+ DEBUG ((DEBUG_INFO, "%a: QEMU reports %d processor(s)\n", __FUNCTION__,\r
+ ProcessorCount));\r
+}\r
+\r
+\r
/**\r
Perform Platform PEI initialization.\r
\r
IN CONST EFI_PEI_SERVICES **PeiServices\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_PHYSICAL_ADDRESS TopOfMemory;\r
- BOOLEAN Xen;\r
+ EFI_STATUS Status;\r
\r
DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));\r
\r
DebugDumpCmos ();\r
\r
- TopOfMemory = MemDetect ();\r
+ XenDetect ();\r
\r
- Status = InitializeXen ();\r
- Xen = EFI_ERROR (Status) ? FALSE : TRUE;\r
+ if (QemuFwCfgS3Enabled ()) {\r
+ DEBUG ((EFI_D_INFO, "S3 support was detected on QEMU\n"));\r
+ mS3Supported = TRUE;\r
+ Status = PcdSetBoolS (PcdAcpiS3Enable, TRUE);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
\r
- ReserveEmuVariableNvStore ();\r
+ S3Verification ();\r
+ BootModeInitialization ();\r
+ AddressWidthInitialization ();\r
+ MaxCpuCountInitialization ();\r
\r
- PeiFvInitialization ();\r
+ PublishPeiMemory ();\r
\r
- MemMapInitialization (TopOfMemory);\r
+ InitializeRamRegions ();\r
\r
- MiscInitialization (Xen);\r
+ if (mXen) {\r
+ DEBUG ((EFI_D_INFO, "Xen was detected\n"));\r
+ InitializeXen ();\r
+ }\r
\r
- BootModeInitialization ();\r
+ //\r
+ // Query Host Bridge DID\r
+ //\r
+ mHostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);\r
+\r
+ if (mBootMode != BOOT_ON_S3_RESUME) {\r
+ if (!FeaturePcdGet (PcdSmmSmramRequire)) {\r
+ ReserveEmuVariableNvStore ();\r
+ }\r
+ PeiFvInitialization ();\r
+ MemMapInitialization ();\r
+ NoexecDxeInitialization ();\r
+ }\r
+\r
+ MiscInitialization ();\r
+ InstallFeatureControlCallback ();\r
\r
return EFI_SUCCESS;\r
}\r
projects / mirror_edk2.git / blobdiff