diff options
Diffstat (limited to 'lib/efi_loader/efi_helper.c')
| -rw-r--r-- | lib/efi_loader/efi_helper.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c index 00167bd2a10..bf96f61d3d0 100644 --- a/lib/efi_loader/efi_helper.c +++ b/lib/efi_loader/efi_helper.c @@ -12,18 +12,89 @@ #include <mapmem.h> #include <dm.h> #include <fs.h> +#include <efi.h> #include <efi_api.h> #include <efi_load_initrd.h> #include <efi_loader.h> #include <efi_variable.h> +#include <host_arch.h> #include <linux/libfdt.h> #include <linux/list.h> +#undef BOOTEFI_NAME + +#if HOST_ARCH == HOST_ARCH_X86_64 +#define HOST_BOOTEFI_NAME "BOOTX64.EFI" +#define HOST_PXE_ARCH 0x6 +#elif HOST_ARCH == HOST_ARCH_X86 +#define HOST_BOOTEFI_NAME "BOOTIA32.EFI" +#define HOST_PXE_ARCH 0x7 +#elif HOST_ARCH == HOST_ARCH_AARCH64 +#define HOST_BOOTEFI_NAME "BOOTAA64.EFI" +#define HOST_PXE_ARCH 0xb +#elif HOST_ARCH == HOST_ARCH_ARM +#define HOST_BOOTEFI_NAME "BOOTARM.EFI" +#define HOST_PXE_ARCH 0xa +#elif HOST_ARCH == HOST_ARCH_RISCV32 +#define HOST_BOOTEFI_NAME "BOOTRISCV32.EFI" +#define HOST_PXE_ARCH 0x19 +#elif HOST_ARCH == HOST_ARCH_RISCV64 +#define HOST_BOOTEFI_NAME "BOOTRISCV64.EFI" +#define HOST_PXE_ARCH 0x1b +#else +#error Unsupported Host architecture +#endif + +#if defined(CONFIG_SANDBOX) +#define BOOTEFI_NAME "BOOTSBOX.EFI" +#elif defined(CONFIG_ARM64) +#define BOOTEFI_NAME "BOOTAA64.EFI" +#elif defined(CONFIG_ARM) +#define BOOTEFI_NAME "BOOTARM.EFI" +#elif defined(CONFIG_X86_64) +#define BOOTEFI_NAME "BOOTX64.EFI" +#elif defined(CONFIG_X86) +#define BOOTEFI_NAME "BOOTIA32.EFI" +#elif defined(CONFIG_ARCH_RV32I) +#define BOOTEFI_NAME "BOOTRISCV32.EFI" +#elif defined(CONFIG_ARCH_RV64I) +#define BOOTEFI_NAME "BOOTRISCV64.EFI" +#else +#error Unsupported UEFI architecture +#endif + #if defined(CONFIG_CMD_EFIDEBUG) || defined(CONFIG_EFI_LOAD_FILE2_INITRD) /* GUID used by Linux to identify the LoadFile2 protocol with the initrd */ const efi_guid_t efi_lf2_initrd_guid = EFI_INITRD_MEDIA_GUID; #endif +const char *efi_get_basename(void) +{ + return efi_use_host_arch() ? HOST_BOOTEFI_NAME : BOOTEFI_NAME; +} + +int efi_get_pxe_arch(void) +{ + if (efi_use_host_arch()) + return HOST_PXE_ARCH; + + /* http://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml */ + if (IS_ENABLED(CONFIG_ARM64)) + return 0xb; + else if (IS_ENABLED(CONFIG_ARM)) + return 0xa; + else if (IS_ENABLED(CONFIG_X86_64)) + return 0x6; + else if (IS_ENABLED(CONFIG_X86)) + return 0x7; + else if (IS_ENABLED(CONFIG_ARCH_RV32I)) + return 0x19; + else if (IS_ENABLED(CONFIG_ARCH_RV64I)) + return 0x1b; + + return -EINVAL; +} + /** * efi_create_current_boot_var() - Return Boot#### name were #### is replaced by * the value of BootCurrent |