diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h')
| -rw-r--r-- | roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h b/roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h new file mode 100644 index 000000000..f6333b0ff --- /dev/null +++ b/roms/edk2/IntelFsp2Pkg/FspSecCore/SecMain.h @@ -0,0 +1,138 @@ +/** @file
+
+ Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SEC_CORE_H_
+#define _SEC_CORE_H_
+
+
+#include <PiPei.h>
+#include <Ppi/TemporaryRamSupport.h>
+
+#include <Library/BaseLib.h>
+#include <Library/IoLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PciCf8Lib.h>
+#include <Library/SerialPortLib.h>
+#include <Library/FspSwitchStackLib.h>
+#include <Library/FspCommonLib.h>
+#include <Library/UefiCpuLib.h>
+#include <FspEas.h>
+
+typedef VOID (*PEI_CORE_ENTRY) ( \
+ IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, \
+ IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList \
+);
+
+typedef struct _SEC_IDT_TABLE {
+ //
+ // Reserved 8 bytes preceding IDT to store EFI_PEI_SERVICES**, since IDT base
+ // address should be 8-byte alignment.
+ // Note: For IA32, only the 4 bytes immediately preceding IDT is used to store
+ // EFI_PEI_SERVICES**
+ //
+ UINT64 PeiService;
+ UINT64 IdtTable[FixedPcdGet8 (PcdFspMaxInterruptSupported)];
+} SEC_IDT_TABLE;
+
+/**
+ Switch the stack in the temporary memory to the one in the permanent memory.
+
+ This function must be invoked after the memory migration immediately. The relative
+ position of the stack in the temporary and permanent memory is same.
+
+ @param[in] TemporaryMemoryBase Base address of the temporary memory.
+ @param[in] PermenentMemoryBase Base address of the permanent memory.
+**/
+VOID
+EFIAPI
+SecSwitchStack (
+ IN UINT32 TemporaryMemoryBase,
+ IN UINT32 PermenentMemoryBase
+ );
+
+/**
+ This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into
+ permanent memory.
+
+ @param[in] PeiServices Pointer to the PEI Services Table.
+ @param[in] TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the
+ Temporary RAM contents.
+ @param[in] PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the
+ Temporary RAM contents.
+ @param[in] CopySize Amount of memory to migrate from temporary to permanent memory.
+
+ @retval EFI_SUCCESS The data was successfully returned.
+ @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when
+ TemporaryMemoryBase > PermanentMemoryBase.
+
+**/
+EFI_STATUS
+EFIAPI
+SecTemporaryRamSupport (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
+ IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
+ IN UINTN CopySize
+ );
+
+
+/**
+
+ Entry point to the C language phase of SEC. After the SEC assembly
+ code has initialized some temporary memory and set up the stack,
+ the control is transferred to this function.
+
+
+ @param[in] SizeOfRam Size of the temporary memory available for use.
+ @param[in] TempRamBase Base address of temporary ram
+ @param[in] BootFirmwareVolume Base address of the Boot Firmware Volume.
+ @param[in] PeiCore PeiCore entry point.
+ @param[in] BootLoaderStack BootLoader stack.
+ @param[in] ApiIdx the index of API.
+
+ @return This function never returns.
+
+**/
+VOID
+EFIAPI
+SecStartup (
+ IN UINT32 SizeOfRam,
+ IN UINT32 TempRamBase,
+ IN VOID *BootFirmwareVolume,
+ IN PEI_CORE_ENTRY PeiCore,
+ IN UINT32 BootLoaderStack,
+ IN UINT32 ApiIdx
+ );
+
+/**
+ Autogenerated function that calls the library constructors for all of the module's
+ dependent libraries. This function must be called by the SEC Core once a stack has
+ been established.
+
+**/
+VOID
+EFIAPI
+ProcessLibraryConstructorList (
+ VOID
+ );
+
+/**
+
+ Return value of esp.
+
+ @return value of esp.
+
+**/
+UINT32
+EFIAPI
+AsmReadEsp (
+ VOID
+ );
+
+#endif
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