From: Maxim Moskalets <maximmo...@gmail.com>
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 <maximmo...@gmail.com>
---
boot/bootm_os.c | 24 ++++++++++++++++++++++++
boot/image-fit.c | 3 ++-
boot/image.c | 3 +++
include/image.h | 1 +
4 files changed, 30 insertions(+), 1 deletion(-)
diff --git a/boot/bootm_os.c b/boot/bootm_os.c
index ccde72d22c..1c92b8149c 100644
--- a/boot/bootm_os.c
+++ b/boot/bootm_os.c
@@ -395,6 +395,27 @@ static int do_bootm_qnxelf(int flag, struct bootm_info
*bmi)
}
#endif
+#if defined(CONFIG_CMD_ELF)
+static int do_bootm_elf(int flag, struct bootm_info *bmi)
+{
+ struct bootm_headers *images = bmi->images;
+ char *local_args[2] = {NULL};
+ char str[19] = ""; /* "0x" + 16 digits + "\0" */
+
+ if (flag != BOOTM_STATE_OS_GO)
+ return 0;
+
+ snprintf(str, sizeof str, "0x%lx", images->ep); /* write entry-point
into string */
+ str[18] = '\0';
+ local_args[0] = bmi->argv[0];
+ local_args[1] = str; /* and provide it via the arguments */
+
+ do_bootelf(NULL, 0, 2, local_args);
+
+ return 1;
+}
+#endif
+
#ifdef CONFIG_INTEGRITY
static int do_bootm_integrity(int flag, struct bootm_info *bmi)
{
@@ -536,6 +557,9 @@ static boot_os_fn *boot_os[] = {
#ifdef CONFIG_BOOTM_EFI
[IH_OS_EFI] = do_bootm_efi,
#endif
+#if defined(CONFIG_CMD_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 89e377563c..0419bef6d2 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -2180,7 +2180,8 @@ 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 073931cd7a..5b88d6808c 100644
--- a/boot/image.c
+++ b/boot/image.c
@@ -134,6 +134,9 @@ static const table_entry_t uimage_os[] = {
#endif
{ IH_OS_OPENSBI, "opensbi", "RISC-V OpenSBI", },
{ IH_OS_EFI, "efi", "EFI Firmware" },
+#ifdef CONFIG_CMD_ELF
+ { IH_OS_ELF, "elf", "ELF Image" },
+#endif
{ -1, "", "", },
};
diff --git a/include/image.h b/include/image.h
index 21de70f0c9..9a40bca22c 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,
};
--
2.39.2
