efi_loader: binary_run: register an initrd

Add support to install an initrd when running an EFI binary
with efi_binary_run

Signed-off-by: Adriano Cordova <adriano.cordova@canonical.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Adriano Cordova 2025-03-19 11:45:00 -03:00 committed by Heinrich Schuchardt
parent 73c9a35270
commit 36835a9105
4 changed files with 21 additions and 6 deletions

View File

@ -507,7 +507,8 @@ static int do_bootm_efi(int flag, struct bootm_info *bmi)
ret = efi_binary_run(image_buf, images->os.image_len,
images->ft_len
? images->ft_addr : EFI_FDT_USE_INTERNAL);
? images->ft_addr : EFI_FDT_USE_INTERNAL,
NULL, 0);
return ret;
}

View File

@ -211,7 +211,7 @@ static int do_bootefi(struct cmd_tbl *cmdtp, int flag, int argc,
}
}
ret = efi_binary_run(image_buf, size, fdt);
ret = efi_binary_run(image_buf, size, fdt, NULL, 0);
if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;

View File

@ -600,7 +600,7 @@ efi_status_t efi_install_fdt(void *fdt);
/* Execute loaded UEFI image */
efi_status_t do_bootefi_exec(efi_handle_t handle, void *load_options);
/* Run loaded UEFI image with given fdt */
efi_status_t efi_binary_run(void *image, size_t size, void *fdt);
efi_status_t efi_binary_run(void *image, size_t size, void *fdt, void *initrd, size_t initrd_sz);
/**
* efi_bootflow_run() - Run a bootflow containing an EFI application

View File

@ -204,6 +204,8 @@ out:
* @image: memory address of the UEFI image
* @size: size of the UEFI image
* @fdt: device-tree
* @initrd: initrd
* @initrd_sz: initrd size
* @dp_dev: EFI device-path
* @dp_img: EFI image-path
*
@ -213,10 +215,12 @@ out:
* Return: status code
*/
static efi_status_t efi_binary_run_dp(void *image, size_t size, void *fdt,
void *initrd, size_t initd_sz,
struct efi_device_path *dp_dev,
struct efi_device_path *dp_img)
{
efi_status_t ret;
struct efi_device_path *dp_initrd;
/* Initialize EFI drivers */
ret = efi_init_obj_list();
@ -230,6 +234,14 @@ static efi_status_t efi_binary_run_dp(void *image, size_t size, void *fdt,
if (ret != EFI_SUCCESS)
return ret;
dp_initrd = efi_dp_from_mem(EFI_LOADER_DATA, (uintptr_t)initrd, initd_sz);
if (!dp_initrd)
return EFI_OUT_OF_RESOURCES;
ret = efi_initrd_register(dp_initrd);
if (ret != EFI_SUCCESS)
return ret;
return efi_run_image(image, size, dp_dev, dp_img);
}
@ -239,13 +251,15 @@ static efi_status_t efi_binary_run_dp(void *image, size_t size, void *fdt,
* @image: memory address of the UEFI image
* @size: size of the UEFI image
* @fdt: device-tree
* @initrd: initrd
* @initrd_sz: initrd size
*
* Execute an EFI binary image loaded at @image.
* @size may be zero if the binary is loaded with U-Boot load command.
*
* Return: status code
*/
efi_status_t efi_binary_run(void *image, size_t size, void *fdt)
efi_status_t efi_binary_run(void *image, size_t size, void *fdt, void *initrd, size_t initrd_sz)
{
efi_handle_t mem_handle = NULL;
struct efi_device_path *file_path = NULL;
@ -273,7 +287,7 @@ efi_status_t efi_binary_run(void *image, size_t size, void *fdt)
log_debug("Loaded from disk\n");
}
ret = efi_binary_run_dp(image, size, fdt, bootefi_device_path,
ret = efi_binary_run_dp(image, size, fdt, initrd, initrd_sz, bootefi_device_path,
bootefi_image_path);
out:
if (mem_handle) {
@ -355,7 +369,7 @@ efi_status_t efi_bootflow_run(struct bootflow *bflow)
log_debug("Booting with external fdt\n");
fdt = map_sysmem(bflow->fdt_addr, 0);
}
ret = efi_binary_run_dp(bflow->buf, bflow->size, fdt, device, image);
ret = efi_binary_run_dp(bflow->buf, bflow->size, fdt, NULL, 0, device, image);
return ret;
}