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audk/EmbeddedPkg/Ebl/Hob.c

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/** @file
Hob command for EBL (Embedded Boot Loader)
Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name: Hob.c
Search/Replace Dir with the name of your new command
Boot Mode:
==========
BOOT_WITH_FULL_CONFIGURATION 0x00
BOOT_WITH_MINIMAL_CONFIGURATION 0x01
BOOT_ASSUMING_NO_CONFIGURATION_CHANGES 0x02
BOOT_WITH_FULL_CONFIGURATION_PLUS_DIAGNOSTICS 0x03
BOOT_WITH_DEFAULT_SETTINGS 0x04
BOOT_ON_S4_RESUME 0x05
BOOT_ON_S5_RESUME 0x06
BOOT_ON_S2_RESUME 0x10
BOOT_ON_S3_RESUME 0x11
BOOT_ON_FLASH_UPDATE 0x12
BOOT_IN_RECOVERY_MODE 0x20
BOOT_IN_RECOVERY_MODE_MASK 0x40
BOOT_SPECIAL_MASK 0x80
Mem Alloc HOB Type:
===================
typedef enum {
EfiReservedMemoryType = 0x00
EfiLoaderCode = 0x01
EfiLoaderData = 0x02
EfiBootServicesCode = 0x03
EfiBootServicesData = 0x04
EfiRuntimeServicesCode = 0x05
EfiRuntimeServicesData = 0x06
EfiConventionalMemory = 0x07
EfiUnusableMemory = 0x08
EfiACPIReclaimMemory = 0x09
EfiACPIMemoryNVS = 0x0a
EfiMemoryMappedIO = 0x0b
EfiMemoryMappedIOPortSpace = 0x0c
EfiPalCode = 0x0d
EfiMaxMemoryType = 0x0e
} EFI_MEMORY_TYPE;
Resource Hob Tye:
=================
EFI_RESOURCE_SYSTEM_MEMORY 0
EFI_RESOURCE_MEMORY_MAPPED_IO 1
EFI_RESOURCE_IO 2
EFI_RESOURCE_FIRMWARE_DEVICE 3
EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 4
EFI_RESOURCE_MEMORY_RESERVED 5
EFI_RESOURCE_IO_RESERVED 6
EFI_RESOURCE_MAX_MEMORY_TYPE 7
Resource Hob Attribute (last thing printed):
============================================
EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001
EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008
EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010
EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020
EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040
EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400
EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800
EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000
EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000
EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000
EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000
EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
**/
#include "Ebl.h"
// BugBug: Autogen does not allow this to be included currently
//#include <EdkModulePkg/Include/EdkDxe.h>
GLOBAL_REMOVE_IF_UNREFERENCED char *mHobResourceType[] = {
"Memory ",
"MMIO ",
"IO ",
"Firmware ",
"MMIO Port ",
"Reserved ",
"IO Reserved",
"Illegal "
};
/**
Dump out the HOBs in the system. HOBs are defined in the PI specification
and they are used to hand off information from PEI to DXE.
Argv[0] - "hob"
@param Argc Number of command arguments in Argv
@param Argv Array of strings that represent the parsed command line.
Argv[0] is the command name
@return EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
EblHobCmd (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
UINTN CurrentRow;
EFI_PEI_HOB_POINTERS Hob;
EFI_MEMORY_TYPE_INFORMATION *EfiMemoryTypeInformation;
UINTN Index;
CurrentRow = 0;
for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
if (Hob.Header->HobType == EFI_HOB_TYPE_HANDOFF) {
AsciiPrint ("PHIT HOB Ver %x Boot Mode %02x Top %lx Bottom %lx\n",
Hob.HandoffInformationTable->Version,
Hob.HandoffInformationTable->BootMode,
Hob.HandoffInformationTable->EfiMemoryTop,
Hob.HandoffInformationTable->EfiMemoryBottom
);
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
return EFI_SUCCESS;
}
AsciiPrint (" Free Top %lx Free Bottom %lx End Of HOB %lx\n",
Hob.HandoffInformationTable->EfiFreeMemoryTop,
Hob.HandoffInformationTable->EfiFreeMemoryBottom,
Hob.HandoffInformationTable->EfiEndOfHobList
);
} else if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
// mod(%) on array index is just to prevent buffer overrun
AsciiPrint ("Mem Alloc HOB %a %g %08lx:%lx\n",
(Hob.MemoryAllocation->AllocDescriptor.MemoryType < EfiMaxMemoryType) ? gMemMapType[Hob.MemoryAllocation->AllocDescriptor.MemoryType] : "ILLEGAL TYPE",
&Hob.MemoryAllocation->AllocDescriptor.Name,
Hob.MemoryAllocation->AllocDescriptor.MemoryBaseAddress,
Hob.MemoryAllocation->AllocDescriptor.MemoryLength
);
if (CompareGuid (&gEfiHobMemoryAllocModuleGuid, &Hob.MemoryAllocation->AllocDescriptor.Name)) {
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
return EFI_SUCCESS;
}
AsciiPrint (" Module Name %g EntryPoint %lx\n", &Hob.MemoryAllocationModule->ModuleName, Hob.MemoryAllocationModule->EntryPoint);
}
} else if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
AsciiPrint ("Resource HOB %a %g %08lx:%lx\n Attributes: %08x\n",
(Hob.ResourceDescriptor->ResourceType < EFI_RESOURCE_MAX_MEMORY_TYPE) ? mHobResourceType[Hob.ResourceDescriptor->ResourceType] : mHobResourceType[EFI_RESOURCE_MAX_MEMORY_TYPE],
&Hob.ResourceDescriptor->Owner,
Hob.ResourceDescriptor->PhysicalStart,
Hob.ResourceDescriptor->ResourceLength,
Hob.ResourceDescriptor->ResourceAttribute
);
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
return EFI_SUCCESS;
}
} else if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
AsciiPrint ("GUID HOB %g\n", &Hob.Guid->Name);
if (CompareGuid (&gEfiMemoryTypeInformationGuid, &Hob.Guid->Name)) {
EfiMemoryTypeInformation = GET_GUID_HOB_DATA (Hob.Guid);
for (Index = 0; Index < (GET_GUID_HOB_DATA_SIZE (Hob.Guid)/sizeof (EFI_MEMORY_TYPE_INFORMATION)); Index++, EfiMemoryTypeInformation++) {
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
return EFI_SUCCESS;
}
AsciiPrint (" %a 0x%08x\n",
(EfiMemoryTypeInformation->Type < EfiMaxMemoryType) ? gMemMapType[EfiMemoryTypeInformation->Type] : "END ",
EfiMemoryTypeInformation->NumberOfPages
);
}
}
} else if (Hob.Header->HobType == EFI_HOB_TYPE_FV) {
AsciiPrint ("FV HOB %08lx:%08lx\n", Hob.FirmwareVolume->BaseAddress, Hob.FirmwareVolume->Length);
} else if (Hob.Header->HobType == EFI_HOB_TYPE_CPU) {
AsciiPrint ("CPU HOB: Mem %x IO %x\n", Hob.Cpu->SizeOfMemorySpace, Hob.Cpu->SizeOfIoSpace);
} else if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_POOL) {
AsciiPrint ("Mem Pool HOB:\n");
/* Not in PI
} else if (Hob.Header->HobType == EFI_HOB_TYPE_CV) {
AsciiPrint ("CV HOB: %08lx:%08lx\n", Hob.CapsuleVolume->BaseAddress, Hob.CapsuleVolume->Length);
*/
}
if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
break;
}
}
return EFI_SUCCESS;
}
GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdHobTemplate[] =
{
{
"hob",
"; dump HOBs",
NULL,
EblHobCmd
}
};
/**
Initialize the commands in this in this file
**/
VOID
EblInitializeHobCmd (
VOID
)
{
if (FeaturePcdGet (PcdEmbeddedHobCmd)) {
EblAddCommands (mCmdHobTemplate, sizeof (mCmdHobTemplate)/sizeof (EBL_COMMAND_TABLE));
}
}
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