[U-Boot] [PATCH 5/5] cmd: run: add "-e" option to run an EFI application

[AKASHI Takahiro]

"run -e" allows for executing EFI application with a specific "BootXXXX"
variable. If no "BootXXXX" is specified or "BootOrder" is specified,
it tries to run an EFI application specified in the order of "bootOrder."

Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
---
 cmd/bootefi.c     |  2 +-
 cmd/nvedit.c      |  5 +++++
 common/cli.c      | 31 +++++++++++++++++++++++++++++++
 include/command.h |  3 +++
 4 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 2fc52e3056d2..8122793d11c5 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -471,7 +471,7 @@ static efi_status_t bootefi_test_prepare
 
 #endif /* CONFIG_CMD_BOOTEFI_SELFTEST */
 
-static int do_bootefi_bootmgr_exec(int boot_id)
+int do_bootefi_bootmgr_exec(int boot_id)
 {
        struct efi_device_path *device_path, *file_path;
        void *addr;
diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index de16c72c23f2..c0facabfc4fe 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -1343,8 +1343,13 @@ U_BOOT_CMD(
 U_BOOT_CMD_COMPLETE(
        run,    CONFIG_SYS_MAXARGS,     1,      do_run,
        "run commands in an environment variable",
+#if defined(CONFIG_CMD_BOOTEFI)
+       "var -e [BootXXXX]\n"
+       "    - load and run UEFI app based on 'BootXXXX' UEFI variable",
+#else
        "var [...]\n"
        "    - run the commands in the environment variable(s) 'var'",
+#endif
        var_complete
 );
 #endif
diff --git a/common/cli.c b/common/cli.c
index 51b8d5f85cbb..013dd2e51936 100644
--- a/common/cli.c
+++ b/common/cli.c
@@ -12,8 +12,10 @@
 #include <cli.h>
 #include <cli_hush.h>
 #include <console.h>
+#include <efi_loader.h>
 #include <fdtdec.h>
 #include <malloc.h>
+#include "../cmd/bootefi.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -125,6 +127,35 @@ int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * 
const argv[])
        if (argc < 2)
                return CMD_RET_USAGE;
 
+#ifdef CONFIG_CMD_BOOTEFI
+       if (!strcmp(argv[1], "-e")) {
+               int boot_id = -1;
+               char *endp;
+
+               if (argc == 3) {
+                       if (!strcmp(argv[2], "BootOrder")) {
+                               boot_id = -1;
+                       } else if (!strncmp(argv[2], "Boot", 4)) {
+                               boot_id = (int)simple_strtoul(&argv[2][4],
+                                                             &endp, 0);
+                               if ((argv[2] + strlen(argv[2]) != endp) ||
+                                   boot_id > 0xffff)
+                                       return CMD_RET_USAGE;
+                       } else {
+                               return CMD_RET_USAGE;
+                       }
+               }
+
+               if (efi_init_obj_list())
+                       return CMD_RET_FAILURE;
+
+               if (efi_handle_fdt(NULL))
+                       return CMD_RET_FAILURE;
+
+               return do_bootefi_bootmgr_exec(boot_id);
+       }
+#endif
+
        for (i = 1; i < argc; ++i) {
                char *arg;
 
diff --git a/include/command.h b/include/command.h
index 200c7a5e9f4e..9b7b876585d9 100644
--- a/include/command.h
+++ b/include/command.h
@@ -48,6 +48,9 @@ typedef struct cmd_tbl_s      cmd_tbl_t;
 #if defined(CONFIG_CMD_RUN)
 extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 #endif
+#if defined(CONFIG_CMD_BOOTEFI)
+int do_bootefi_bootmgr_exec(int boot_id);
+#endif
 
 /* common/command.c */
 int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int
-- 
2.19.1

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