mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-01 12:53:27 +01:00
111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
/** @file
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RISC-V SEC phase module for Qemu Virt.
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Copyright (c) 2008 - 2023, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2022, Ventana Micro Systems Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SecMain.h"
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STATIC
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EFI_STATUS
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EFIAPI
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SecInitializePlatform (
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VOID
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)
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{
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EFI_STATUS Status;
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MemoryPeimInitialization ();
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CpuPeimInitialization ();
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// Set the Boot Mode
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SetBootMode (BOOT_WITH_FULL_CONFIGURATION);
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Status = PlatformPeimInitialization ();
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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/**
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Entry point to the C language phase of SEC. After the SEC assembly
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code has initialized some temporary memory and set up the stack,
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the control is transferred to this function.
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@param[in] BootHartId Hardware thread ID of boot hart.
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@param[in] DeviceTreeAddress Pointer to Device Tree (DTB)
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**/
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VOID
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NORETURN
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EFIAPI
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SecStartup (
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IN UINTN BootHartId,
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IN VOID *DeviceTreeAddress
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)
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{
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EFI_HOB_HANDOFF_INFO_TABLE *HobList;
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EFI_RISCV_FIRMWARE_CONTEXT FirmwareContext;
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EFI_STATUS Status;
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UINT64 UefiMemoryBase;
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UINT64 StackBase;
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UINT32 StackSize;
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SerialPortInitialize ();
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//
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// Report Status Code to indicate entering SEC core
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//
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DEBUG ((
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DEBUG_INFO,
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"%a() BootHartId: 0x%x, DeviceTreeAddress=0x%x\n",
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__func__,
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BootHartId,
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DeviceTreeAddress
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));
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FirmwareContext.BootHartId = BootHartId;
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FirmwareContext.FlattenedDeviceTree = (UINT64)DeviceTreeAddress;
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SetFirmwareContextPointer (&FirmwareContext);
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StackBase = (UINT64)FixedPcdGet32 (PcdOvmfSecPeiTempRamBase);
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StackSize = FixedPcdGet32 (PcdOvmfSecPeiTempRamSize);
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UefiMemoryBase = StackBase + StackSize - SIZE_32MB;
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// Declare the PI/UEFI memory region
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HobList = HobConstructor (
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(VOID *)UefiMemoryBase,
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SIZE_32MB,
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(VOID *)UefiMemoryBase,
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(VOID *)StackBase // The top of the UEFI Memory is reserved for the stacks
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);
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PrePeiSetHobList (HobList);
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SecInitializePlatform ();
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BuildStackHob (StackBase, StackSize);
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//
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// Process all libraries constructor function linked to SecMain.
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//
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ProcessLibraryConstructorList ();
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// Assume the FV that contains the SEC (our code) also contains a compressed FV.
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Status = DecompressFirstFv ();
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ASSERT_EFI_ERROR (Status);
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// Load the DXE Core and transfer control to it
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Status = LoadDxeCoreFromFv (NULL, 0);
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ASSERT_EFI_ERROR (Status);
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//
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// Should not come here.
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//
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UNREACHABLE ();
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}
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