Add a bootmeth driver for sandbox, used for testing.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v3)
Changes in v3: - Add a log category
boot/Kconfig | 7 +++++ boot/Makefile | 1 + boot/bootmeth_sandbox.c | 69 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 77 insertions(+) create mode 100644 boot/bootmeth_sandbox.c
diff --git a/boot/Kconfig b/boot/Kconfig index d434048deb..ace6c0761c 100644 --- a/boot/Kconfig +++ b/boot/Kconfig @@ -370,6 +370,13 @@ config BOOTMETH_EFILOADER
This provides a way to try out standard boot on an existing boot flow.
+config BOOTMETH_SANDBOX + def_bool y + depends on SANDBOX + help + This is a sandbox bootmeth driver used for testing. It always returns + -ENOTSUPP when attempting to boot. + endif
config LEGACY_IMAGE_FORMAT diff --git a/boot/Makefile b/boot/Makefile index 38b10d81f0..db8cb1187e 100644 --- a/boot/Makefile +++ b/boot/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootstd-uclass.o obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_DISTRO) += bootmeth_distro.o obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_DISTRO_PXE) += bootmeth_pxe.o obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_EFILOADER) += bootmeth_efi.o +obj-$(CONFIG_$(SPL_TPL_)BOOTMETH_SANDBOX) += bootmeth_sandbox.o ifdef CONFIG_$(SPL_TPL_)BOOTSTD_FULL obj-$(CONFIG_$(SPL_TPL_)CMD_BOOTEFI_BOOTMGR) += bootmeth_efi_mgr.o endif diff --git a/boot/bootmeth_sandbox.c b/boot/bootmeth_sandbox.c new file mode 100644 index 0000000000..13ec5e95e6 --- /dev/null +++ b/boot/bootmeth_sandbox.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Bootmethod for sandbox testing + * + * Copyright 2021 Google LLC + * Written by Simon Glass sjg@chromium.org + */ + +#define LOG_CATEGORY UCLASS_BOOTSTD + +#include <common.h> +#include <bootdev.h> +#include <bootflow.h> +#include <bootmeth.h> +#include <dm.h> + +static int sandbox_check(struct udevice *dev, struct bootflow_iter *iter) +{ + return 0; +} + +static int sandbox_read_bootflow(struct udevice *dev, struct bootflow *bflow) +{ + /* pretend we are ready */ + bflow->state = BOOTFLOWST_READY; + + return 0; +} + +static int sandbox_read_file(struct udevice *dev, struct bootflow *bflow, + const char *file_path, ulong addr, ulong *sizep) +{ + return -ENOSYS; +} + +static int sandbox_boot(struct udevice *dev, struct bootflow *bflow) +{ + /* always fail: see bootflow_iter_disable() */ + return -ENOTSUPP; +} + +static int sandbox_bootmeth_bind(struct udevice *dev) +{ + struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev); + + plat->desc = "Sandbox boot for testing"; + + return 0; +} + +static struct bootmeth_ops sandbox_bootmeth_ops = { + .check = sandbox_check, + .read_bootflow = sandbox_read_bootflow, + .read_file = sandbox_read_file, + .boot = sandbox_boot, +}; + +static const struct udevice_id sandbox_bootmeth_ids[] = { + { .compatible = "u-boot,sandbox-syslinux" }, + { } +}; + +U_BOOT_DRIVER(bootmeth_sandbox) = { + .name = "bootmeth_sandbox", + .id = UCLASS_BOOTMETH, + .of_match = sandbox_bootmeth_ids, + .ops = &sandbox_bootmeth_ops, + .bind = sandbox_bootmeth_bind, +};