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cmd: bootefi: carve out do_bootefi_image() from do_bootefi()

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This is a preparatory patch for reworking do_bootefi() in later patch.
All the non-boot-manager-based (that is, bootefi <addr>) code is put
into one function, do_bootefi_image().

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 12:22:34 +09:00 committed by Heinrich Schuchardt
parent d6b21894d4
commit e2e4098e1b
1 changed files with 67 additions and 55 deletions
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122
cmd/bootefi.c
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@ -377,6 +377,72 @@ static int do_efibootmgr(const char *fdt_opt)
return 0;
}
/*
* do_bootefi_image() - execute EFI binary from command line
*
* @image_opt: string of image start address
* @fdt_opt: string of fdt start address
* Return: status code
*
* Set up memory image for the binary to be loaded, prepare
* device path and then call do_bootefi_exec() to execute it.
*/
static int do_bootefi_image(const char *image_opt, const char *fdt_opt)
{
unsigned long addr;
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;
#ifdef CONFIG_CMD_BOOTEFI_HELLO
if (!strcmp(image_opt, "hello")) {
char *saddr;
ulong size = __efi_helloworld_end - __efi_helloworld_begin;
saddr = env_get("loadaddr");
if (saddr)
addr = simple_strtoul(saddr, NULL, 16);
else
addr = CONFIG_SYS_LOAD_ADDR;
memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size);
} else
#endif
{
addr = simple_strtoul(image_opt, NULL, 16);
/* Check that a numeric value was passed */
if (!addr && *image_opt != '0')
return CMD_RET_USAGE;
}
printf("## Starting EFI application at %08lx ...\n", addr);
ret = do_bootefi_exec(map_sysmem(addr, 0), bootefi_device_path,
bootefi_image_path);
printf("## Application terminated, r = %lu\n",
ret & ~EFI_ERROR_MASK);
if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;
else
return CMD_RET_SUCCESS;
}
#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
static efi_status_t bootefi_run_prepare(const char *load_options_path,
struct efi_device_path *device_path,
@ -503,10 +569,6 @@ static int do_efi_selftest(const char *fdt_opt)
/* Interpreter command to boot an arbitrary EFI image from memory */
static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long addr;
char *saddr;
efi_status_t r;
if (argc < 2)
return CMD_RET_USAGE;
@ -517,57 +579,7 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return do_efi_selftest(argc > 2 ? argv[2] : NULL);
#endif
/* Allow unaligned memory access */
allow_unaligned();
switch_to_non_secure_mode();
/* Initialize EFI drivers */
r = efi_init_obj_list();
if (r != EFI_SUCCESS) {
printf("Error: Cannot set up EFI drivers, r = %lu\n",
r & ~EFI_ERROR_MASK);
return CMD_RET_FAILURE;
}
r = efi_install_fdt(argc > 2 ? argv[2] : NULL);
if (r == EFI_INVALID_PARAMETER)
return CMD_RET_USAGE;
else if (r != EFI_SUCCESS)
return CMD_RET_FAILURE;
#ifdef CONFIG_CMD_BOOTEFI_HELLO
if (!strcmp(argv[1], "hello")) {
ulong size = __efi_helloworld_end - __efi_helloworld_begin;
saddr = env_get("loadaddr");
if (saddr)
addr = simple_strtoul(saddr, NULL, 16);
else
addr = CONFIG_SYS_LOAD_ADDR;
memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size);
} else
#endif
{
saddr = argv[1];
addr = simple_strtoul(saddr, NULL, 16);
/* Check that a numeric value was passed */
if (!addr && *saddr != '0')
return CMD_RET_USAGE;
}
printf("## Starting EFI application at %08lx ...\n", addr);
r = do_bootefi_exec(map_sysmem(addr, 0), bootefi_device_path,
bootefi_image_path);
printf("## Application terminated, r = %lu\n",
r & ~EFI_ERROR_MASK);
if (r != EFI_SUCCESS)
return 1;
else
return 0;
return do_bootefi_image(argv[1], argc > 2 ? argv[2] : NULL);
}
#ifdef CONFIG_SYS_LONGHELP