From: Sean Anderson <seanga2@gmail.com>
To: u-boot@lists.denx.de, Tom Rini <trini@konsulko.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>,
Harald Seiler <hws@denx.de>, Simon Glass <sjg@chromium.org>,
Sean Anderson <seanga2@gmail.com>,
uboot-imx@nxp.com, Fabio Estevam <festevam@gmail.com>,
Peng Fan <peng.fan@nxp.com>, Stefano Babic <sbabic@denx.de>
Subject: [PATCH 06/26] arm: imx: Add function to validate i.MX8 containers
Date: Wed, 11 Oct 2023 21:56:06 -0400 [thread overview]
Message-ID: <20231012015626.3487451-7-seanga2@gmail.com> (raw)
In-Reply-To: <20231012015626.3487451-1-seanga2@gmail.com>
Add a function to abstract the common task of validating i.MX8 container
image headers.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
---
arch/arm/include/asm/mach-imx/image.h | 9 +++++++++
arch/arm/mach-imx/ele_ahab.c | 2 +-
arch/arm/mach-imx/image-container.c | 2 +-
arch/arm/mach-imx/imx8/ahab.c | 2 +-
arch/arm/mach-imx/parse-container.c | 2 +-
arch/arm/mach-imx/spl_imx_romapi.c | 3 ++-
6 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/arch/arm/include/asm/mach-imx/image.h b/arch/arm/include/asm/mach-imx/image.h
index ee67ca96f4c..54cd684e35d 100644
--- a/arch/arm/include/asm/mach-imx/image.h
+++ b/arch/arm/include/asm/mach-imx/image.h
@@ -18,6 +18,9 @@
#define CONTAINER_HDR_QSPI_OFFSET SZ_4K
#define CONTAINER_HDR_NAND_OFFSET SZ_128M
+#define CONTAINER_HDR_TAG 0x87
+#define CONTAINER_HDR_VERSION 0
+
struct container_hdr {
u8 version;
u8 length_lsb;
@@ -66,4 +69,10 @@ struct generate_key_blob_hdr {
} __packed;
int get_container_size(ulong addr, u16 *header_length);
+
+static inline bool valid_container_hdr(struct container_hdr *container)
+{
+ return container->tag == CONTAINER_HDR_TAG &&
+ container->version == CONTAINER_HDR_VERSION;
+}
#endif
diff --git a/arch/arm/mach-imx/ele_ahab.c b/arch/arm/mach-imx/ele_ahab.c
index 785b0d6ec3c..6a1ad198f89 100644
--- a/arch/arm/mach-imx/ele_ahab.c
+++ b/arch/arm/mach-imx/ele_ahab.c
@@ -343,7 +343,7 @@ int authenticate_os_container(ulong addr)
}
phdr = (struct container_hdr *)addr;
- if (phdr->tag != 0x87 || phdr->version != 0x0) {
+ if (!valid_container_hdr(phdr)) {
printf("Error: Wrong container header\n");
return -EFAULT;
}
diff --git a/arch/arm/mach-imx/image-container.c b/arch/arm/mach-imx/image-container.c
index 5f188ab32d1..eff9e0c4597 100644
--- a/arch/arm/mach-imx/image-container.c
+++ b/arch/arm/mach-imx/image-container.c
@@ -50,7 +50,7 @@ int get_container_size(ulong addr, u16 *header_length)
u32 max_offset = 0, img_end;
phdr = (struct container_hdr *)addr;
- if (phdr->tag != 0x87 || phdr->version != 0x0) {
+ if (!valid_container_hdr(phdr)) {
debug("Wrong container header\n");
return -EFAULT;
}
diff --git a/arch/arm/mach-imx/imx8/ahab.c b/arch/arm/mach-imx/imx8/ahab.c
index b58b14ca9b4..44ea63584aa 100644
--- a/arch/arm/mach-imx/imx8/ahab.c
+++ b/arch/arm/mach-imx/imx8/ahab.c
@@ -146,7 +146,7 @@ int authenticate_os_container(ulong addr)
}
phdr = (struct container_hdr *)addr;
- if (phdr->tag != 0x87 && phdr->version != 0x0) {
+ if (!valid_container_hdr(phdr)) {
printf("Error: Wrong container header\n");
return -EFAULT;
}
diff --git a/arch/arm/mach-imx/parse-container.c b/arch/arm/mach-imx/parse-container.c
index c5df78d1c58..0a3d41f411e 100644
--- a/arch/arm/mach-imx/parse-container.c
+++ b/arch/arm/mach-imx/parse-container.c
@@ -84,7 +84,7 @@ static int read_auth_container(struct spl_image_info *spl_image,
goto end;
}
- if (container->tag != 0x87 && container->version != 0x0) {
+ if (!valid_container_hdr(container)) {
printf("Wrong container header\n");
ret = -ENOENT;
goto end;
diff --git a/arch/arm/mach-imx/spl_imx_romapi.c b/arch/arm/mach-imx/spl_imx_romapi.c
index 4af41699678..b51061b987b 100644
--- a/arch/arm/mach-imx/spl_imx_romapi.c
+++ b/arch/arm/mach-imx/spl_imx_romapi.c
@@ -184,7 +184,8 @@ static u8 *search_container_header(u8 *p, int size)
for (i = 0; i < size; i += 4) {
hdr = p + i;
- if (*(hdr + 3) == 0x87 && *hdr == 0 && (*(hdr + 1) != 0 || *(hdr + 2) != 0))
+ if (valid_container_hdr((void *)hdr) &&
+ (*(hdr + 1) != 0 || *(hdr + 2) != 0))
return p + i;
}
--
2.37.1
next prev parent reply other threads:[~2023-10-12 2:13 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-12 1:56 [PATCH 00/26] test: spl: Test some load methods Sean Anderson
2023-10-12 1:56 ` [PATCH 01/26] spl: legacy: Fix referencing _image_binary_end Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:30 ` Sean Anderson
2023-10-12 15:28 ` Simon Glass
2023-10-12 1:56 ` [PATCH 02/26] spl: nor: Don't allocate header on stack Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 7:26 ` Michael Nazzareno Trimarchi
2023-10-12 1:56 ` [PATCH 03/26] spl: fit: Fix entry point for SPL_LOAD_FIT_FULL Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:28 ` Sean Anderson
2023-10-12 15:20 ` Tom Rini
2023-10-12 15:28 ` Simon Glass
2023-10-12 1:56 ` [PATCH 04/26] arm: imx: Fix i.MX8 container load address Sean Anderson
2023-10-12 1:56 ` [PATCH 05/26] arm: imx: Add newlines after error messages Sean Anderson
2023-10-12 7:33 ` Heinrich Schuchardt
2023-10-12 1:56 ` Sean Anderson [this message]
2023-10-12 1:56 ` [PATCH 07/26] arm: imx: Check header before calling spl_load_imx_container Sean Anderson
2023-10-12 7:44 ` Heinrich Schuchardt
2023-10-13 0:48 ` Sean Anderson
2023-10-12 16:40 ` Tom Rini
2023-10-13 1:39 ` Sean Anderson
2023-10-13 12:55 ` Tom Rini
2023-10-12 1:56 ` [PATCH 08/26] Move i.MX8 container image loading support to common/spl Sean Anderson
2023-10-12 1:56 ` [PATCH 09/26] spl: Allow enabling SPL_OF_REAL and SPL_OF_PLATDATA at the same time Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:22 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 10/26] lib: acpi: Fix linking SPL when ACPIGEN is enabled Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 11/26] fs: ext4: Fix building ext4 in SPL if write " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 12/26] fs: Compile in sandbox filesystem in SPL if it " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 6:39 ` Heinrich Schuchardt
2023-10-12 14:15 ` Sean Anderson
2023-10-12 14:50 ` Tom Rini
2023-10-12 14:52 ` Tom Rini
2023-10-12 1:56 ` [PATCH 13/26] net: Fix compiling SPL when fastboot " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 6:52 ` Heinrich Schuchardt
2023-10-12 14:16 ` Sean Anderson
2023-10-12 14:52 ` Tom Rini
2023-10-12 1:56 ` [PATCH 14/26] net: bootp: Move port numbers to header Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 6:53 ` Heinrich Schuchardt
2023-10-12 1:56 ` [PATCH 15/26] net: bootp: Fall back to BOOTP from DHCP when unit testing Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 7:16 ` Heinrich Schuchardt
2023-10-12 14:18 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 16/26] spl: Don't cache devices when UNIT_TEST is enabled Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:18 ` Sean Anderson
2023-10-12 7:23 ` Heinrich Schuchardt
2023-10-12 14:19 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 17/26] spl: Use map_sysmem where appropriate Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 18/26] test: spl: Split tests up and use some configs Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 19/26] test: spl: Fix spl_test_load not failing if fname doesn't exist Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 20/26] test: spl: Add functions to create images Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-13 19:44 ` [SPAM] " Xavier Drudis Ferran
2023-10-14 14:37 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 21/26] test: spl: Add functions to create filesystems Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:11 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 22/26] test: spl: Add a test for spl_blk_load_image Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:56 ` [PATCH 23/26] test: spl: Add a test for the MMC load method Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:12 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 24/26] test: spl: Add a test for the NET " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:11 ` Sean Anderson
2023-10-12 1:56 ` [PATCH 25/26] test: spl: Add a test for the NOR " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 4:16 ` Sean Anderson
2023-10-12 15:28 ` Simon Glass
2023-10-12 1:56 ` [PATCH 26/26] test: spl: Add a test for the SPI " Sean Anderson
2023-10-12 3:41 ` Simon Glass
2023-10-12 1:59 ` [PATCH 00/26] test: spl: Test some load methods Sean Anderson
2023-10-12 3:41 ` Simon Glass
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