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x86: Add a common HOB library

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FSP (CONFIG_HAVE_FSP) and Slim Bootloader (CONFIG_SYS_SLIMBOOTLOADER)
consume HOB (CONFIG_USE_HOB) data from the each HOB list pointer.
Add a common HOB library in lib/hob.c and include/asm/hob.h.

Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Park, Aiden 2019-08-03 08:30:31 +00:00 committed by Bin Meng
parent 5b931a5080
commit 7165fd584f
9 changed files with 399 additions and 337 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

184
arch/x86/include/asm/fsp/fsp_hob.h
View file

@ -7,125 +7,7 @@
#ifndef __FSP_HOB_H__
#define __FSP_HOB_H__
#include <efi.h>
#include <efi_loader.h>
/* Type of HOB Header */
#define HOB_TYPE_MEM_ALLOC 0x0002
#define HOB_TYPE_RES_DESC 0x0003
#define HOB_TYPE_GUID_EXT 0x0004
#define HOB_TYPE_UNUSED 0xFFFE
#define HOB_TYPE_EOH 0xFFFF
/*
* Describes the format and size of the data inside the HOB.
* All HOBs must contain this generic HOB header.
*/
struct hob_header {
u16 type; /* HOB type */
u16 len; /* HOB length */
u32 reserved; /* always zero */
};
/*
* Describes all memory ranges used during the HOB producer phase that
* exist outside the HOB list. This HOB type describes how memory is used,
* not the physical attributes of memory.
*/
struct hob_mem_alloc {
struct hob_header hdr;
/*
* A GUID that defines the memory allocation region's type and purpose,
* as well as other fields within the memory allocation HOB. This GUID
* is used to define the additional data within the HOB that may be
* present for the memory allocation HOB. Type efi_guid is defined in
* InstallProtocolInterface() in the UEFI 2.0 specification.
*/
efi_guid_t name;
/*
* The base address of memory allocated by this HOB.
* Type phys_addr_t is defined in AllocatePages() in the UEFI 2.0
* specification.
*/
phys_addr_t mem_base;
/* The length in bytes of memory allocated by this HOB */
phys_size_t mem_len;
/*
* Defines the type of memory allocated by this HOB.
* The memory type definition follows the EFI_MEMORY_TYPE definition.
* Type EFI_MEMORY_TYPE is defined in AllocatePages() in the UEFI 2.0
* specification.
*/
enum efi_mem_type mem_type;
/* padding */
u8 reserved[4];
};
/* Value of ResourceType in HOB_RES_DESC */
#define RES_SYS_MEM 0x00000000
#define RES_MMAP_IO 0x00000001
#define RES_IO 0x00000002
#define RES_FW_DEVICE 0x00000003
#define RES_MMAP_IO_PORT 0x00000004
#define RES_MEM_RESERVED 0x00000005
#define RES_IO_RESERVED 0x00000006
#define RES_MAX_MEM_TYPE 0x00000007
/*
* These types can be ORed together as needed.
*
* The first three enumerations describe settings
* The rest of the settings describe capabilities
*/
#define RES_ATTR_PRESENT 0x00000001
#define RES_ATTR_INITIALIZED 0x00000002
#define RES_ATTR_TESTED 0x00000004
#define RES_ATTR_SINGLE_BIT_ECC 0x00000008
#define RES_ATTR_MULTIPLE_BIT_ECC 0x00000010
#define RES_ATTR_ECC_RESERVED_1 0x00000020
#define RES_ATTR_ECC_RESERVED_2 0x00000040
#define RES_ATTR_READ_PROTECTED 0x00000080
#define RES_ATTR_WRITE_PROTECTED 0x00000100
#define RES_ATTR_EXECUTION_PROTECTED 0x00000200
#define RES_ATTR_UNCACHEABLE 0x00000400
#define RES_ATTR_WRITE_COMBINEABLE 0x00000800
#define RES_ATTR_WRITE_THROUGH_CACHEABLE 0x00001000
#define RES_ATTR_WRITE_BACK_CACHEABLE 0x00002000
#define RES_ATTR_16_BIT_IO 0x00004000
#define RES_ATTR_32_BIT_IO 0x00008000
#define RES_ATTR_64_BIT_IO 0x00010000
#define RES_ATTR_UNCACHED_EXPORTED 0x00020000
/*
* Describes the resource properties of all fixed, nonrelocatable resource
* ranges found on the processor host bus during the HOB producer phase.
*/
struct hob_res_desc {
struct hob_header hdr;
/*
* A GUID representing the owner of the resource. This GUID is
* used by HOB consumer phase components to correlate device
* ownership of a resource.
*/
efi_guid_t owner;
u32 type;
u32 attr;
/* The physical start address of the resource region */
phys_addr_t phys_start;
/* The number of bytes of the resource region */
phys_size_t len;
};
/*
* Allows writers of executable content in the HOB producer phase to
* maintain and manage HOBs with specific GUID.
*/
struct hob_guid {
struct hob_header hdr;
/* A GUID that defines the contents of this HOB */
efi_guid_t name;
/* GUID specific data goes here */
};
#include <asm/hob.h>
enum pixel_format {
pixel_rgbx_8bpc, /* RGB 8 bit per color */
@ -147,70 +29,6 @@ struct __packed hob_graphics_info {
u32 pixels_per_scanline;
};
/**
* get_next_hob() - return a pointer to the next HOB in the HOB list
*
* This macro returns a pointer to HOB that follows the HOB specified by hob
* in the HOB List.
*
* @hdr: A pointer to a HOB.
*
* @return: A pointer to the next HOB in the HOB list.
*/
static inline const struct hob_header *get_next_hob(const struct hob_header *hdr)
{
return (const struct hob_header *)((uintptr_t)hdr + hdr->len);
}
/**
* end_of_hob() - determine if a HOB is the last HOB in the HOB list
*
* This macro determine if the HOB specified by hob is the last HOB in the
* HOB list. If hob is last HOB in the HOB list, then true is returned.
* Otherwise, false is returned.
*
* @hdr: A pointer to a HOB.
*
* @retval true: The HOB specified by hdr is the last HOB in the HOB list.
* @retval false: The HOB specified by hdr is not the last HOB in the HOB list.
*/
static inline bool end_of_hob(const struct hob_header *hdr)
{
return hdr->type == HOB_TYPE_EOH;
}
/**
* get_guid_hob_data() - return a pointer to data buffer from a HOB of
* type HOB_TYPE_GUID_EXT
*
* This macro returns a pointer to the data buffer in a HOB specified by hob.
* hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
* @hdr: A pointer to a HOB.
*
* @return: A pointer to the data buffer in a HOB.
*/
static inline void *get_guid_hob_data(const struct hob_header *hdr)
{
return (void *)((uintptr_t)hdr + sizeof(struct hob_guid));
}
/**
* get_guid_hob_data_size() - return the size of the data buffer from a HOB
* of type HOB_TYPE_GUID_EXT
*
* This macro returns the size, in bytes, of the data buffer in a HOB
* specified by hob. hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
* @hdr: A pointer to a HOB.
*
* @return: The size of the data buffer.
*/
static inline u16 get_guid_hob_data_size(const struct hob_header *hdr)
{
return hdr->len - sizeof(struct hob_guid);
}
/* FSP specific GUID HOB definitions */
#define FSP_GUID_DATA1 0x912740be
#define FSP_GUID_DATA2 0x2284

37
arch/x86/include/asm/fsp/fsp_support.h
View file

@ -8,10 +8,10 @@
#define __FSP_SUPPORT_H__
#include "fsp_types.h"
#include "fsp_hob.h"
#include "fsp_fv.h"
#include "fsp_ffs.h"
#include "fsp_api.h"
#include "fsp_hob.h"
#include "fsp_infoheader.h"
#include "fsp_bootmode.h"
#include "fsp_azalia.h"
@ -131,41 +131,6 @@ u32 fsp_get_fsp_reserved_mem(const void *hob_list, u32 *len);
*/
u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len);
/**
* Returns the next instance of a HOB type from the starting HOB.
*
* @type: HOB type to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching type; Otherwise NULL.
*/
const struct hob_header *fsp_get_next_hob(uint type, const void *hob_list);
/**
* Returns the next instance of the matched GUID HOB from the starting HOB.
*
* @guid: GUID to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching GUID; Otherwise NULL.
*/
const struct hob_header *fsp_get_next_guid_hob(const efi_guid_t *guid,
const void *hob_list);
/**
* This function retrieves a GUID HOB data buffer and size.
*
* @hob_list: A HOB list pointer.
* @len: A pointer to the GUID HOB data buffer length.
* If the GUID HOB is located, the length will be updated.
* @guid A pointer to HOB GUID.
*
* @retval NULL: Failed to find the GUID HOB.
* @retval others: GUID HOB data buffer pointer.
*/
void *fsp_get_guid_hob_data(const void *hob_list, u32 *len,
const efi_guid_t *guid);
/**
* This function retrieves FSP Non-volatile Storage HOB buffer and size.
*

230
arch/x86/include/asm/hob.h Normal file
View file

@ -0,0 +1,230 @@
/* SPDX-License-Identifier: Intel */
/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*/
#ifndef __HOB_H__
#define __HOB_H__
#include <efi.h>
#include <efi_loader.h>
/* Type of HOB Header */
#define HOB_TYPE_MEM_ALLOC 0x0002
#define HOB_TYPE_RES_DESC 0x0003
#define HOB_TYPE_GUID_EXT 0x0004
#define HOB_TYPE_UNUSED 0xFFFE
#define HOB_TYPE_EOH 0xFFFF
/* Value of ResourceType in HOB_RES_DESC */
#define RES_SYS_MEM 0x00000000
#define RES_MMAP_IO 0x00000001
#define RES_IO 0x00000002
#define RES_FW_DEVICE 0x00000003
#define RES_MMAP_IO_PORT 0x00000004
#define RES_MEM_RESERVED 0x00000005
#define RES_IO_RESERVED 0x00000006
#define RES_MAX_MEM_TYPE 0x00000007
/*
* These types can be ORed together as needed.
*
* The first three enumerations describe settings
* The rest of the settings describe capabilities
*/
#define RES_ATTR_PRESENT 0x00000001
#define RES_ATTR_INITIALIZED 0x00000002
#define RES_ATTR_TESTED 0x00000004
#define RES_ATTR_SINGLE_BIT_ECC 0x00000008
#define RES_ATTR_MULTIPLE_BIT_ECC 0x00000010
#define RES_ATTR_ECC_RESERVED_1 0x00000020
#define RES_ATTR_ECC_RESERVED_2 0x00000040
#define RES_ATTR_READ_PROTECTED 0x00000080
#define RES_ATTR_WRITE_PROTECTED 0x00000100
#define RES_ATTR_EXECUTION_PROTECTED 0x00000200
#define RES_ATTR_UNCACHEABLE 0x00000400
#define RES_ATTR_WRITE_COMBINEABLE 0x00000800
#define RES_ATTR_WRITE_THROUGH_CACHEABLE 0x00001000
#define RES_ATTR_WRITE_BACK_CACHEABLE 0x00002000
#define RES_ATTR_16_BIT_IO 0x00004000
#define RES_ATTR_32_BIT_IO 0x00008000
#define RES_ATTR_64_BIT_IO 0x00010000
#define RES_ATTR_UNCACHED_EXPORTED 0x00020000
/*
* Describes the format and size of the data inside the HOB.
* All HOBs must contain this generic HOB header.
*/
struct hob_header {
u16 type; /* HOB type */
u16 len; /* HOB length */
u32 reserved; /* always zero */
};
/*
* Describes all memory ranges used during the HOB producer phase that
* exist outside the HOB list. This HOB type describes how memory is used,
* not the physical attributes of memory.
*/
struct hob_mem_alloc {
struct hob_header hdr;
/*
* A GUID that defines the memory allocation region's type and purpose,
* as well as other fields within the memory allocation HOB. This GUID
* is used to define the additional data within the HOB that may be
* present for the memory allocation HOB. Type efi_guid_t is defined in
* InstallProtocolInterface() in the UEFI 2.0 specification.
*/
efi_guid_t name;
/*
* The base address of memory allocated by this HOB.
* Type phys_addr_t is defined in AllocatePages() in the UEFI 2.0
* specification.
*/
phys_addr_t mem_base;
/* The length in bytes of memory allocated by this HOB */
phys_size_t mem_len;
/*
* Defines the type of memory allocated by this HOB.
* The memory type definition follows the EFI_MEMORY_TYPE definition.
* Type EFI_MEMORY_TYPE is defined in AllocatePages() in the UEFI 2.0
* specification.
*/
enum efi_mem_type mem_type;
/* padding */
u8 reserved[4];
};
/*
* Describes the resource properties of all fixed, nonrelocatable resource
* ranges found on the processor host bus during the HOB producer phase.
*/
struct hob_res_desc {
struct hob_header hdr;
/*
* A GUID representing the owner of the resource. This GUID is
* used by HOB consumer phase components to correlate device
* ownership of a resource.
*/
efi_guid_t owner;
u32 type;
u32 attr;
/* The physical start address of the resource region */
phys_addr_t phys_start;
/* The number of bytes of the resource region */
phys_size_t len;
};
/*
* Allows writers of executable content in the HOB producer phase to
* maintain and manage HOBs with specific GUID.
*/
struct hob_guid {
struct hob_header hdr;
/* A GUID that defines the contents of this HOB */
efi_guid_t name;
/* GUID specific data goes here */
};
/**
* get_next_hob() - return a pointer to the next HOB in the HOB list
*
* This macro returns a pointer to HOB that follows the HOB specified by hob
* in the HOB List.
*
* @hdr: A pointer to a HOB.
*
* @return: A pointer to the next HOB in the HOB list.
*/
static inline const struct hob_header *get_next_hob(const struct hob_header
*hdr)
{
return (const struct hob_header *)((uintptr_t)hdr + hdr->len);
}
/**
* end_of_hob() - determine if a HOB is the last HOB in the HOB list
*
* This macro determine if the HOB specified by hob is the last HOB in the
* HOB list. If hob is last HOB in the HOB list, then true is returned.
* Otherwise, false is returned.
*
* @hdr: A pointer to a HOB.
*
* @retval true: The HOB specified by hdr is the last HOB in the HOB list.
* @retval false: The HOB specified by hdr is not the last HOB in the HOB list.
*/
static inline bool end_of_hob(const struct hob_header *hdr)
{
return hdr->type == HOB_TYPE_EOH;
}
/**
* get_guid_hob_data() - return a pointer to data buffer from a HOB of
* type HOB_TYPE_GUID_EXT
*
* This macro returns a pointer to the data buffer in a HOB specified by hob.
* hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
* @hdr: A pointer to a HOB.
*
* @return: A pointer to the data buffer in a HOB.
*/
static inline void *get_guid_hob_data(const struct hob_header *hdr)
{
return (void *)((uintptr_t)hdr + sizeof(struct hob_guid));
}
/**
* get_guid_hob_data_size() - return the size of the data buffer from a HOB
* of type HOB_TYPE_GUID_EXT
*
* This macro returns the size, in bytes, of the data buffer in a HOB
* specified by hob. hob is assumed to be a HOB of type HOB_TYPE_GUID_EXT.
*
* @hdr: A pointer to a HOB.
*
* @return: The size of the data buffer.
*/
static inline u16 get_guid_hob_data_size(const struct hob_header *hdr)
{
return hdr->len - sizeof(struct hob_guid);
}
/**
* Returns the next instance of a HOB type from the starting HOB.
*
* @type: HOB type to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching type; Otherwise NULL.
*/
const struct hob_header *hob_get_next_hob(uint type, const void *hob_list);
/**
* Returns the next instance of the matched GUID HOB from the starting HOB.
*
* @guid: GUID to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching GUID; Otherwise NULL.
*/
const struct hob_header *hob_get_next_guid_hob(const efi_guid_t *guid,
const void *hob_list);
/**
* This function retrieves a GUID HOB data buffer and size.
*
* @hob_list: A HOB list pointer.
* @len: A pointer to the GUID HOB data buffer length.
* If the GUID HOB is located, the length will be updated.
* @guid A pointer to HOB GUID.
*
* @retval NULL: Failed to find the GUID HOB.
* @retval others: GUID HOB data buffer pointer.
*/
void *hob_get_guid_hob_data(const void *hob_list, u32 *len,
const efi_guid_t *guid);
#endif /* __HOB_H__ */

1
arch/x86/lib/Makefile
View file

@ -42,6 +42,7 @@ obj-y += tables.o
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_CMD_ZBOOT) += zimage.o
endif
obj-$(CONFIG_USE_HOB) += hob.o
obj-$(CONFIG_HAVE_FSP) += fsp/
ifdef CONFIG_SPL_BUILD

57
arch/x86/lib/fsp/fsp_support.c
View file

@ -344,74 +344,23 @@ u32 fsp_get_tseg_reserved_mem(const void *hob_list, u32 *len)
return base;
}
const struct hob_header *fsp_get_next_hob(uint type, const void *hob_list)
{
const struct hob_header *hdr;
hdr = hob_list;
/* Parse the HOB list until end of list or matching type is found */
while (!end_of_hob(hdr)) {
if (hdr->type == type)
return hdr;
hdr = get_next_hob(hdr);
}
return NULL;
}
const struct hob_header *fsp_get_next_guid_hob(const efi_guid_t *guid,
const void *hob_list)
{
const struct hob_header *hdr;
struct hob_guid *guid_hob;
hdr = hob_list;
while ((hdr = fsp_get_next_hob(HOB_TYPE_GUID_EXT,
hdr)) != NULL) {
guid_hob = (struct hob_guid *)hdr;
if (!guidcmp(guid, &guid_hob->name))
break;
hdr = get_next_hob(hdr);
}
return hdr;
}
void *fsp_get_guid_hob_data(const void *hob_list, u32 *len,
const efi_guid_t *guid)
{
const struct hob_header *guid_hob;
guid_hob = fsp_get_next_guid_hob(guid, hob_list);
if (guid_hob == NULL) {
return NULL;
} else {
if (len)
*len = get_guid_hob_data_size(guid_hob);
return get_guid_hob_data(guid_hob);
}
}
void *fsp_get_nvs_data(const void *hob_list, u32 *len)
{
const efi_guid_t guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
return fsp_get_guid_hob_data(hob_list, len, &guid);
return hob_get_guid_hob_data(hob_list, len, &guid);
}
void *fsp_get_bootloader_tmp_mem(const void *hob_list, u32 *len)
{
const efi_guid_t guid = FSP_BOOTLOADER_TEMP_MEM_HOB_GUID;
return fsp_get_guid_hob_data(hob_list, len, &guid);
return hob_get_guid_hob_data(hob_list, len, &guid);
}
void *fsp_get_graphics_info(const void *hob_list, u32 *len)
{
const efi_guid_t guid = FSP_GRAPHICS_INFO_HOB_GUID;
return fsp_get_guid_hob_data(hob_list, len, &guid);
return hob_get_guid_hob_data(hob_list, len, &guid);
}

84
arch/x86/lib/hob.c Normal file
View file

@ -0,0 +1,84 @@
// SPDX-License-Identifier: Intel
/*
* Copyright (C) 2013, Intel Corporation
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*/
#include <common.h>
#include <asm/hob.h>
/**
* Returns the next instance of a HOB type from the starting HOB.
*
* @type: HOB type to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching type; Otherwise NULL.
*/
const struct hob_header *hob_get_next_hob(uint type, const void *hob_list)
{
const struct hob_header *hdr;
hdr = hob_list;
/* Parse the HOB list until end of list or matching type is found */
while (!end_of_hob(hdr)) {
if (hdr->type == type)
return hdr;
hdr = get_next_hob(hdr);
}
return NULL;
}
/**
* Returns the next instance of the matched GUID HOB from the starting HOB.
*
* @guid: GUID to search
* @hob_list: A pointer to the HOB list
*
* @retval: A HOB object with matching GUID; Otherwise NULL.
*/
const struct hob_header *hob_get_next_guid_hob(const efi_guid_t *guid,
const void *hob_list)
{
const struct hob_header *hdr;
struct hob_guid *guid_hob;
hdr = hob_list;
while ((hdr = hob_get_next_hob(HOB_TYPE_GUID_EXT, hdr))) {
guid_hob = (struct hob_guid *)hdr;
if (!guidcmp(guid, &guid_hob->name))
break;
hdr = get_next_hob(hdr);
}
return hdr;
}
/**
* This function retrieves a GUID HOB data buffer and size.
*
* @hob_list: A HOB list pointer.
* @len: A pointer to the GUID HOB data buffer length.
* If the GUID HOB is located, the length will be updated.
* @guid A pointer to HOB GUID.
*
* @retval NULL: Failed to find the GUID HOB.
* @retval others: GUID HOB data buffer pointer.
*/
void *hob_get_guid_hob_data(const void *hob_list, u32 *len,
const efi_guid_t *guid)
{
const struct hob_header *guid_hob;
guid_hob = hob_get_next_guid_hob(guid, hob_list);
if (!guid_hob)
return NULL;
if (len)
*len = get_guid_hob_data_size(guid_hob);
return get_guid_hob_data(guid_hob);
}

1
cmd/x86/Makefile
View file

@ -2,4 +2,5 @@
obj-y += mtrr.o
obj-$(CONFIG_CMD_EXCEPTION) += exception.o
obj-$(CONFIG_USE_HOB) += hob.o
obj-$(CONFIG_HAVE_FSP) += fsp.o

65
cmd/x86/fsp.c
View file

@ -9,21 +9,6 @@
DECLARE_GLOBAL_DATA_PTR;
static char *hob_type[] = {
"reserved",
"Hand-off",
"Mem Alloc",
"Res Desc",
"GUID Ext",
"FV",
"CPU",
"Mem Pool",
"reserved",
"FV2",
"Load PEIM",
"Capsule",
};
static int do_hdr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct fsp_header *hdr = find_fsp_header();
@ -72,55 +57,8 @@ static int do_hdr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
}
static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const struct hob_header *hdr;
uint type;
char *desc;
int i = 0;
char uuid[UUID_STR_LEN + 1];
hdr = gd->arch.hob_list;
printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
printf("# | Address | Type | Len | ");
printf("%42s\n", "GUID");
printf("---|----------|-----------|------|-");
printf("------------------------------------------\n");
while (!end_of_hob(hdr)) {
printf("%02x | %08x | ", i, (unsigned int)hdr);
type = hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
desc = "*EOH*";
else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
desc = hob_type[type];
else
desc = "*Invalid*";
printf("%-9s | %04x | ", desc, hdr->len);
if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
type == HOB_TYPE_GUID_EXT) {
efi_guid_t *guid = (efi_guid_t *)(hdr + 1);
uuid_bin_to_str(guid->b, uuid, UUID_STR_FORMAT_GUID);
printf("%s", uuid);
} else {
printf("%42s", "Not Available");
}
printf("\n");
hdr = get_next_hob(hdr);
i++;
}
return 0;
}
static cmd_tbl_t fsp_commands[] = {
U_BOOT_CMD_MKENT(hdr, 0, 1, do_hdr, "", ""),
U_BOOT_CMD_MKENT(hob, 0, 1, do_hob, "", ""),
};
static int do_fsp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
@ -144,6 +82,5 @@ static int do_fsp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
U_BOOT_CMD(
fsp, 2, 1, do_fsp,
"Show Intel Firmware Support Package (FSP) related information",
"hdr - Print FSP header information\n"
"fsp hob - Print FSP Hand-Off Block (HOB) information"
"hdr - Print FSP header information"
);

77
cmd/x86/hob.c Normal file
View file

@ -0,0 +1,77 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
*/
#include <common.h>
#include <command.h>
#include <efi.h>
#include <asm/hob.h>
DECLARE_GLOBAL_DATA_PTR;
static char *hob_type[] = {
"reserved",
"Hand-off",
"Mem Alloc",
"Res Desc",
"GUID Ext",
"FV",
"CPU",
"Mem Pool",
"reserved",
"FV2",
"Load PEIM",
"Capsule",
};
static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const struct hob_header *hdr;
uint type;
char *desc;
int i = 0;
efi_guid_t *guid;
char uuid[UUID_STR_LEN + 1];
hdr = gd->arch.hob_list;
printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
printf("# | Address | Type | Len | ");
printf("%36s\n", "GUID");
printf("---|----------|-----------|------|-");
printf("------------------------------------\n");
while (!end_of_hob(hdr)) {
printf("%02x | %08x | ", i, (unsigned int)hdr);
type = hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
desc = "*EOH*";
else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
desc = hob_type[type];
else
desc = "*Invalid*";
printf("%-9s | %04x | ", desc, hdr->len);
if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
type == HOB_TYPE_GUID_EXT) {
guid = (efi_guid_t *)(hdr + 1);
uuid_bin_to_str(guid->b, uuid, UUID_STR_FORMAT_GUID);
printf("%s", uuid);
} else {
printf("%36s", "Not Available");
}
printf("\n");
hdr = get_next_hob(hdr);
i++;
}
return 0;
}
U_BOOT_CMD(hob, 1, 1, do_hob,
"Print Hand-Off Block (HOB) information",
""
);