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cmd: bootefi: carve out bootmgr code from do_bootefi()

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This is a preparatory patch for reworking do_bootefi() in later patch.
do_bootmgr_exec() is renamed to do_efibootmgr() as we put all the necessary
code into this function.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
AKASHI Takahiro
2019-04-19 12:22:33 +09:00
committed by Heinrich Schuchardt
parent cc999d58e3
commit d6b21894d4
1 changed files with 36 additions and 8 deletions
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44
cmd/bootefi.c
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@@ -329,22 +329,49 @@ err_add_protocol:
return ret; return ret;
} }
static int do_bootefi_bootmgr_exec(void) /**
* do_efibootmgr() - execute EFI Boot Manager
*
* @fdt_opt: string of fdt start address
* Return: status code
*
* Execute EFI Boot Manager
*/
static int do_efibootmgr(const char *fdt_opt)
{ {
struct efi_device_path *device_path, *file_path; struct efi_device_path *device_path, *file_path;
void *addr; void *addr;
efi_status_t r; efi_status_t ret;
/* Allow unaligned memory access */
allow_unaligned();
switch_to_non_secure_mode();
/* Initialize EFI drivers */
ret = efi_init_obj_list();
if (ret != EFI_SUCCESS) {
printf("Error: Cannot initialize UEFI sub-system, r = %lu\n",
ret & ~EFI_ERROR_MASK);
return CMD_RET_FAILURE;
}
ret = efi_install_fdt(fdt_opt);
if (ret == EFI_INVALID_PARAMETER)
return CMD_RET_USAGE;
else if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;
addr = efi_bootmgr_load(&device_path, &file_path); addr = efi_bootmgr_load(&device_path, &file_path);
if (!addr) if (!addr)
return 1; return 1;
printf("## Starting EFI application at %p ...\n", addr); printf("## Starting EFI application at %p ...\n", addr);
r = do_bootefi_exec(addr, device_path, file_path); ret = do_bootefi_exec(addr, device_path, file_path);
printf("## Application terminated, r = %lu\n", printf("## Application terminated, r = %lu\n",
r & ~EFI_ERROR_MASK); ret & ~EFI_ERROR_MASK);
if (r != EFI_SUCCESS) if (ret != EFI_SUCCESS)
return 1; return 1;
return 0; return 0;
@@ -482,6 +509,9 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc < 2) if (argc < 2)
return CMD_RET_USAGE; return CMD_RET_USAGE;
if (!strcmp(argv[1], "bootmgr"))
return do_efibootmgr(argc > 2 ? argv[2] : NULL);
#ifdef CONFIG_CMD_BOOTEFI_SELFTEST #ifdef CONFIG_CMD_BOOTEFI_SELFTEST
else if (!strcmp(argv[1], "selftest")) else if (!strcmp(argv[1], "selftest"))
return do_efi_selftest(argc > 2 ? argv[2] : NULL); return do_efi_selftest(argc > 2 ? argv[2] : NULL);
@@ -518,9 +548,7 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size); memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size);
} else } else
#endif #endif
if (!strcmp(argv[1], "bootmgr")) { {
return do_bootefi_bootmgr_exec();
} else {
saddr = argv[1]; saddr = argv[1];
addr = simple_strtoul(saddr, NULL, 16); addr = simple_strtoul(saddr, NULL, 16);