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| author | Maxim Moskalets <maximmosk4@gmail.com> | 2024-06-21 14:42:10 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-07-05 13:57:02 -0600 |
| commit | 2abf14df5dd3944ab22352b397c63516bcf312c3 (patch) | |
| tree | 612aeafd93a130757d8f41ea86dc3020fc2ce133 | |
| parent | 6074f6e85783f582e8524778fff170ff05b35a91 (diff) | |
| download | u-boot-2abf14df5dd3944ab22352b397c63516bcf312c3.tar.gz | |
cmd: bootm: add ELF file support
Some operating systems (e.g. seL4) and embedded applications are ELF
images. It is convenient to use FIT-images to implement trusted boot.
Added "elf" image type for booting using bootm command.
Signed-off-by: Maxim Moskalets <maximmosk4@gmail.com>
| -rw-r--r-- | boot/bootm_os.c | 18 | ||||
| -rw-r--r-- | boot/image-fit.c | 3 | ||||
| -rw-r--r-- | boot/image.c | 5 | ||||
| -rw-r--r-- | cmd/Kconfig | 7 | ||||
| -rw-r--r-- | include/image.h | 1 |
5 files changed, 32 insertions, 2 deletions
diff --git a/boot/bootm_os.c b/boot/bootm_os.c index 15297ddb530..6a6621706f7 100644 --- a/boot/bootm_os.c +++ b/boot/bootm_os.c @@ -8,6 +8,7 @@ #include <bootstage.h> #include <cpu_func.h> #include <efi_loader.h> +#include <elf.h> #include <env.h> #include <fdt_support.h> #include <image.h> @@ -394,6 +395,20 @@ static int do_bootm_qnxelf(int flag, struct bootm_info *bmi) } #endif +#if defined(CONFIG_BOOTM_ELF) +static int do_bootm_elf(int flag, struct bootm_info *bmi) +{ + Bootelf_flags flags = { .autostart = 1 }; + + if (flag != BOOTM_STATE_OS_GO) + return 0; + + bootelf(bmi->images->ep, flags, 0, NULL); + + return 1; +} +#endif + #ifdef CONFIG_INTEGRITY static int do_bootm_integrity(int flag, struct bootm_info *bmi) { @@ -535,6 +550,9 @@ static boot_os_fn *boot_os[] = { #ifdef CONFIG_BOOTM_EFI [IH_OS_EFI] = do_bootm_efi, #endif +#if defined(CONFIG_BOOTM_ELF) + [IH_OS_ELF] = do_bootm_elf, +#endif }; /* Allow for arch specific config before we boot */ diff --git a/boot/image-fit.c b/boot/image-fit.c index f6464bcf620..9253f81fff5 100644 --- a/boot/image-fit.c +++ b/boot/image-fit.c @@ -2175,7 +2175,8 @@ int fit_image_load(struct bootm_headers *images, ulong addr, fit_image_check_os(fit, noffset, IH_OS_TEE) || fit_image_check_os(fit, noffset, IH_OS_OPENRTOS) || fit_image_check_os(fit, noffset, IH_OS_EFI) || - fit_image_check_os(fit, noffset, IH_OS_VXWORKS); + fit_image_check_os(fit, noffset, IH_OS_VXWORKS) || + fit_image_check_os(fit, noffset, IH_OS_ELF); /* * If either of the checks fail, we should report an error, but diff --git a/boot/image.c b/boot/image.c index fc774d605d1..abac254e026 100644 --- a/boot/image.c +++ b/boot/image.c @@ -130,7 +130,10 @@ static const table_entry_t uimage_os[] = { { IH_OS_OPENRTOS, "openrtos", "OpenRTOS", }, #endif { IH_OS_OPENSBI, "opensbi", "RISC-V OpenSBI", }, - { IH_OS_EFI, "efi", "EFI Firmware" }, + { IH_OS_EFI, "efi", "EFI Firmware" }, +#ifdef CONFIG_BOOTM_ELF + { IH_OS_ELF, "elf", "ELF Image" }, +#endif { -1, "", "", }, }; diff --git a/cmd/Kconfig b/cmd/Kconfig index 40ac5a8dbac..68947bfc825 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -321,6 +321,13 @@ config BOOTM_EFI help Support booting UEFI FIT images via the bootm command. +config BOOTM_ELF + bool "Support booting ELF images" + depends on CMD_BOOTM && LIB_ELF + default n + help + Support booting ELF images via the bootm command. + config CMD_BOOTZ bool "bootz" help diff --git a/include/image.h b/include/image.h index c5b288f62b4..9daaee15cdb 100644 --- a/include/image.h +++ b/include/image.h @@ -100,6 +100,7 @@ enum { IH_OS_TEE, /* Trusted Execution Environment */ IH_OS_OPENSBI, /* RISC-V OpenSBI */ IH_OS_EFI, /* EFI Firmware (e.g. GRUB2) */ + IH_OS_ELF, /* ELF Image (e.g. seL4) */ IH_OS_COUNT, }; |