[U-Boot] [RFC v2 08/11] cmd: bootefi: carve out bootmgr code from do_bootefi()
AKASHI Takahiro
takahiro.akashi at linaro.org
Wed Mar 27 04:40:39 UTC 2019
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 at linaro.org>
---
cmd/bootefi.c | 42 ++++++++++++++++++++++++++++++++++--------
1 file changed, 34 insertions(+), 8 deletions(-)
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index e9d4881997a1..94b5bdeed3f1 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -309,22 +309,47 @@ err_add_protocol:
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;
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_SUCCESS)
+ return CMD_RET_FAILURE;
addr = efi_bootmgr_load(&device_path, &file_path);
if (!addr)
return 1;
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",
- r & ~EFI_ERROR_MASK);
+ ret & ~EFI_ERROR_MASK);
- if (r != EFI_SUCCESS)
+ if (ret != EFI_SUCCESS)
return 1;
return 0;
@@ -463,6 +488,9 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc < 2)
return CMD_RET_USAGE;
+
+ if (!strcmp(argv[1], "bootmgr"))
+ return do_efibootmgr(argc > 2 ? argv[2] : NULL);
#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
else if (!strcmp(argv[1], "selftest"))
return do_efi_selftest(argc > 2 ? argv[2] : NULL);
@@ -497,9 +525,7 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
memcpy(map_sysmem(addr, size), __efi_helloworld_begin, size);
} else
#endif
- if (!strcmp(argv[1], "bootmgr")) {
- return do_bootefi_bootmgr_exec();
- } else {
+ {
saddr = argv[1];
addr = simple_strtoul(saddr, NULL, 16);
--
2.20.1
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