diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/config.mk | 4 | ||||
| -rw-r--r-- | arch/x86/cpu/efi/payload.c | 13 | ||||
| -rw-r--r-- | arch/x86/include/asm/efi.h | 39 | ||||
| -rw-r--r-- | arch/x86/include/asm/zimage.h | 3 | ||||
| -rw-r--r-- | arch/x86/lib/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/lib/bdinfo.c | 22 | ||||
| -rw-r--r-- | arch/x86/lib/zimage.c | 1 |
7 files changed, 76 insertions, 7 deletions
diff --git a/arch/x86/config.mk b/arch/x86/config.mk index 7a8242562db..589f2aed2bc 100644 --- a/arch/x86/config.mk +++ b/arch/x86/config.mk @@ -37,7 +37,7 @@ KBUILD_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined -s OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ - -j .rel -j .rela -j .reloc + -j .rel -j .rela -j .reloc --strip-all # Compiler flags to be added when building UEFI applications CFLAGS_EFI := -fpic -fshort-wchar @@ -65,7 +65,7 @@ CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) ifeq ($(CONFIG_EFI_APP),y) PLATFORM_CPPFLAGS += $(CFLAGS_EFI) -LDFLAGS_FINAL += -znocombreloc -shared -s +LDFLAGS_FINAL += -znocombreloc -shared LDSCRIPT := $(LDSCRIPT_EFI) else diff --git a/arch/x86/cpu/efi/payload.c b/arch/x86/cpu/efi/payload.c index 9a73b768e9b..3a9f7d72868 100644 --- a/arch/x86/cpu/efi/payload.c +++ b/arch/x86/cpu/efi/payload.c @@ -280,15 +280,24 @@ void setup_efi_info(struct efi_info *efi_info) } efi_info->efi_memdesc_size = map->desc_size; efi_info->efi_memdesc_version = map->version; - efi_info->efi_memmap = (u32)(map->desc); + efi_info->efi_memmap = (ulong)(map->desc); efi_info->efi_memmap_size = size - sizeof(struct efi_entry_memmap); #ifdef CONFIG_EFI_STUB_64BIT efi_info->efi_systab_hi = table->sys_table >> 32; - efi_info->efi_memmap_hi = (u64)(u32)(map->desc) >> 32; + efi_info->efi_memmap_hi = (u64)(ulong)map->desc >> 32; signature = EFI64_LOADER_SIGNATURE; #else signature = EFI32_LOADER_SIGNATURE; #endif memcpy(&efi_info->efi_loader_signature, signature, 4); } + +void efi_show_bdinfo(void) +{ + struct efi_entry_systable *table = NULL; + int size, ret; + + ret = efi_info_get(EFIET_SYS_TABLE, (void **)&table, &size); + bdinfo_print_num_l("efi_table", (ulong)table); +} diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h new file mode 100644 index 00000000000..dfd858b78ba --- /dev/null +++ b/arch/x86/include/asm/efi.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright Google LLC + */ + +#ifndef _ASM_EFI_H_ +#define _ASM_EFI_H_ + +struct efi_info; +struct screen_info; + +/** + * setup_video() - Set up the screen info in the x86 setup + * + * This is needed so Linux can use the display (when U-Boot is an EFI payload) + * + * @efi_info: Pointer to place to put the screen info in the x86 setup base + */ +void setup_video(struct screen_info *screen_info); + +/** + * setup_efi_info() - Set up the EFI info needed by Linux to boot + * + * This writes a suitable signature, table pointers, memory-map pointer, etc. + * These are needed for Linux to boot from U-Boot (when U-Boot is an EFI + * payload). + * + * @efi_info: Pointer to place to put the EFI info in the x86 setup base + */ +void setup_efi_info(struct efi_info *efi_info); + +/** + * efi_show_bdinfo() - Show information about EFI for the 'bdinfo' command + * + * This looks up the EFI table pointer and shows related info + */ +void efi_show_bdinfo(void); + +#endif diff --git a/arch/x86/include/asm/zimage.h b/arch/x86/include/asm/zimage.h index 6679767d16b..fa6e7f76e05 100644 --- a/arch/x86/include/asm/zimage.h +++ b/arch/x86/include/asm/zimage.h @@ -72,7 +72,4 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, */ void zimage_dump(struct boot_params *base_ptr); -void setup_video(struct screen_info *screen_info); -void setup_efi_info(struct efi_info *efi_info); - #endif diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index 65d9b3bd6a3..18757b29aa9 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -3,6 +3,7 @@ # (C) Copyright 2002-2006 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. +obj-y += bdinfo.o ifndef CONFIG_X86_64 ifndef CONFIG_TPL_BUILD obj-y += bios.o diff --git a/arch/x86/lib/bdinfo.c b/arch/x86/lib/bdinfo.c new file mode 100644 index 00000000000..0cb79b01bd3 --- /dev/null +++ b/arch/x86/lib/bdinfo.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * x86-specific information for the 'bd' command + * + * Copyright 2021 Google LLC + */ + +#include <common.h> +#include <efi.h> +#include <init.h> +#include <asm/efi.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +void arch_print_bdinfo(void) +{ + bdinfo_print_num_l("prev table", gd->arch.table); + + if (IS_ENABLED(CONFIG_EFI_STUB)) + efi_show_bdinfo(); +} diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 9938c80a42b..7ce02226ef9 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -29,6 +29,7 @@ #include <asm/byteorder.h> #include <asm/bootm.h> #include <asm/bootparam.h> +#include <asm/efi.h> #include <asm/global_data.h> #ifdef CONFIG_SYS_COREBOOT #include <asm/arch/timestamp.h> |