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-rw-r--r--cmd/bootefi.c32
-rw-r--r--cmd/fs.c3
-rw-r--r--include/efi_loader.h5
3 files changed, 30 insertions, 10 deletions
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 0d09aa1..adcf645 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -34,17 +34,30 @@ static struct efi_device_path_file_path bootefi_image_path[] = {
}
};
+static struct efi_device_path_file_path bootefi_device_path[] = {
+ {
+ .dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE,
+ .dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH,
+ .dp.length = sizeof(bootefi_image_path[0]),
+ .str = { 'b','o','o','t','e','f','i' },
+ }, {
+ .dp.type = DEVICE_PATH_TYPE_END,
+ .dp.sub_type = DEVICE_PATH_SUB_TYPE_END,
+ .dp.length = sizeof(bootefi_image_path[0]),
+ }
+};
+
static efi_status_t bootefi_open_dp(void *handle, efi_guid_t *protocol,
void **protocol_interface, void *agent_handle,
void *controller_handle, uint32_t attributes)
{
- *protocol_interface = bootefi_image_path;
+ *protocol_interface = bootefi_device_path;
return EFI_SUCCESS;
}
/* The EFI loaded_image interface for the image executed via "bootefi" */
static struct efi_loaded_image loaded_image_info = {
- .device_handle = bootefi_image_path,
+ .device_handle = bootefi_device_path,
.file_path = bootefi_image_path,
};
@@ -63,7 +76,7 @@ static struct efi_object loaded_image_info_obj = {
{
/*
* When asking for the device path interface, return
- * bootefi_image_path
+ * bootefi_device_path
*/
.guid = &efi_guid_device_path,
.open = &bootefi_open_dp,
@@ -73,11 +86,11 @@ static struct efi_object loaded_image_info_obj = {
/* The EFI object struct for the device the "bootefi" image was loaded from */
static struct efi_object bootefi_device_obj = {
- .handle = bootefi_image_path,
+ .handle = bootefi_device_path,
.protocols = {
{
/* When asking for the device path interface, return
- * bootefi_image_path */
+ * bootefi_device_path */
.guid = &efi_guid_device_path,
.open = &bootefi_open_dp,
}
@@ -192,7 +205,7 @@ U_BOOT_CMD(
bootefi_help_text
);
-void efi_set_bootdev(const char *dev, const char *devnr)
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
{
__maybe_unused struct blk_desc *desc;
char devname[16] = { 0 }; /* dp->str is u16[16] long */
@@ -217,7 +230,12 @@ void efi_set_bootdev(const char *dev, const char *devnr)
if (colon)
*colon = '\0';
- /* Patch the bootefi_image_path to the target device */
+ /* Patch bootefi_device_path to the target device */
+ memset(bootefi_device_path[0].str, 0, sizeof(bootefi_device_path[0].str));
+ ascii2unicode(bootefi_device_path[0].str, devname);
+
+ /* Patch bootefi_image_path to the target file path */
memset(bootefi_image_path[0].str, 0, sizeof(bootefi_image_path[0].str));
+ snprintf(devname, sizeof(devname), "%s", path);
ascii2unicode(bootefi_image_path[0].str, devname);
}
diff --git a/cmd/fs.c b/cmd/fs.c
index be8f289..abfe5be 100644
--- a/cmd/fs.c
+++ b/cmd/fs.c
@@ -27,7 +27,8 @@ U_BOOT_CMD(
static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
- efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "");
+ efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
+ (argc > 4) ? argv[4] : "");
return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
}
diff --git a/include/efi_loader.h b/include/efi_loader.h
index 9f61fc4..88b8149 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -112,7 +112,7 @@ efi_status_t efi_exit_func(efi_status_t ret);
/* Call this to relocate the runtime section to an address space */
void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
/* Call this to set the current device name */
-void efi_set_bootdev(const char *dev, const char *devnr);
+void efi_set_bootdev(const char *dev, const char *devnr, const char *path);
/* Generic EFI memory allocator, call this to get memory */
void *efi_alloc(uint64_t len, int memory_type);
@@ -155,6 +155,7 @@ static inline void ascii2unicode(u16 *unicode, char *ascii)
/* No loader configured, stub out EFI_ENTRY */
static inline void efi_restore_gd(void) { }
-static inline void efi_set_bootdev(const char *dev, const char *devnr) { }
+static inline void efi_set_bootdev(const char *dev, const char *devnr,
+ const char *path) { }
#endif