============================8<============================ => hob HOB list address: 0x3f420000
No. | Address | Type | Length in Bytes -----|----------|----------------------|----------------- 0 | 3f420000 | Hand-off | 56 1 | 3f420038 | GUID Extension | 240 2 | 3f420128 | GUID Extension | 728 3 | 3f420400 | GUID Extension | 120 4 | 3f420478 | Resource Descriptor | 48 5 | 3f4204a8 | Resource Descriptor | 48 6 | 3f4204d8 | Resource Descriptor | 48 7 | 3f420508 | Resource Descriptor | 48 8 | 3f420538 | Resource Descriptor | 48 9 | 3f420568 | Resource Descriptor | 48 10 | 3f420598 | Memory Allocation | 48 11 | 3f4205c8 | Memory Allocation | 48 12 | 3f4205f8 | Memory Allocation | 48 13 | 3f420628 | GUID Extension | 4120 14 | 3f421640 | Memory Allocation | 48 15 | 3f421670 | GUID Extension | 432 16 | 3f421820 | Memory Allocation | 48 17 | 3f421850 | Memory Allocation | 48 18 | 3f421880 | Memory Allocation | 48 19 | 3f4218b0 | Memory Allocation | 48 20 | 3f4218e0 | Memory Allocation | 48 21 | 3f421910 | Memory Allocation | 48 22 | 3f421940 | Memory Pool | 24 23 | 3f421958 | Memory Allocation | 48 24 | 3f421988 | Memory Allocation | 48 25 | 3f4219b8 | Memory Allocation | 48 26 | 3f4219e8 | Memory Pool | 1032 27 | 3f421df0 | Memory Allocation | 48 28 | 3f421e20 | Memory Pool | 272 ============================>8============================
Signed-off-by: Bin Meng bmeng.cn@gmail.com --- arch/x86/lib/Makefile | 1 + arch/x86/lib/cmd_hob.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) create mode 100644 arch/x86/lib/cmd_hob.c
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 55de788..73262d7 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -10,6 +10,7 @@ obj-y += bios_asm.o obj-y += bios_interrupts.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += cmd_boot.o +obj-$(CONFIG_HAVE_FSP) += cmd_hob.o obj-y += gcc.o obj-y += init_helpers.o obj-y += interrupts.o diff --git a/arch/x86/lib/cmd_hob.c b/arch/x86/lib/cmd_hob.c new file mode 100644 index 0000000..bf3bd83 --- /dev/null +++ b/arch/x86/lib/cmd_hob.c @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2014, Bin Meng bmeng.cn@gmail.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <linux/compiler.h> +#include <asm/arch/fsp/fsp_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define HOB_TYPE_MIN 0 +#define HOB_TYPE_MAX 11 + +static char *hob_type[] = { + "reserved", + "Hand-off", + "Memory Allocation", + "Resource Descriptor", + "GUID Extension", + "Firmware Volumn", + "CPU", + "Memory Pool", + "reserved", + "Firmware Volumn 2", + "Load PEIM Unused", + "UEFI Capsule", +}; + +int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + EFI_PEI_HOB_POINTERS hob; + UINT16 type; + char *desc; + int i = 0; + + hob.Raw = (UINT8 *)gd->arch.hob_list; + + printf("HOB list address: 0x%08x\n\n", (unsigned int)hob.Raw); + + printf(" No. | Address | Type | Length in Bytes \n"); + printf("-----|----------|----------------------|-----------------\n"); + while (!END_OF_HOB_LIST(hob)) { + printf(" %-3d | %08x |", i, (unsigned int)hob.Raw); + type = hob.Header->HobType; + if (type == EFI_HOB_TYPE_UNUSED) + desc = "*Unused*"; + else if (type == EFI_HOB_TYPE_END_OF_HOB_LIST) + desc = "**END OF HOB**"; + else if (type >= HOB_TYPE_MIN && type <= HOB_TYPE_MAX) + desc = hob_type[type]; + else + desc = "!!!Invalid Type!!!"; + printf(" %-20s |", desc); + printf(" %-15d \n", hob.Header->HobLength); + hob.Raw = GET_NEXT_HOB(hob); + i++; + } + + return 0; +} + +/* -------------------------------------------------------------------- */ + +U_BOOT_CMD( + hob, 1, 1, do_hob, + "print FSP Hand-Off Block information", + "" +);