From 73eaec81689662cf5c1cd6ac5de1152e19b0c14d Mon Sep 17 00:00:00 2001 From: Julius Werner Date: Fri, 3 May 2019 17:58:07 -0700 Subject: device_tree: Add version checks This patch adds a few more sanity checks to the FDT header parsing to make sure that our code can support the version that is passed in. This patch was adapted from depthcharge's http://crosreview.com/1536384 Change-Id: I06c112f540213c8db7c2455c2e8a4e8e4f337b78 Signed-off-by: Julius Werner Reviewed-on: https://review.coreboot.org/c/coreboot/+/32862 Reviewed-by: Hung-Te Lin Reviewed-by: Paul Menzel Tested-by: build bot (Jenkins) --- src/include/device_tree.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/include/device_tree.h') diff --git a/src/include/device_tree.h b/src/include/device_tree.h index 14be8322c6..96902b893b 100644 --- a/src/include/device_tree.h +++ b/src/include/device_tree.h @@ -33,7 +33,7 @@ struct fdt_header { uint32_t reserve_map_offset; uint32_t version; - uint32_t last_compatible_version; + uint32_t last_comp_version; uint32_t boot_cpuid_phys; @@ -42,6 +42,7 @@ struct fdt_header { }; #define FDT_HEADER_MAGIC 0xd00dfeed +#define FDT_SUPPORTED_VERSION 17 #define FDT_TOKEN_BEGIN_NODE 1 #define FDT_TOKEN_END_NODE 2 #define FDT_TOKEN_PROPERTY 3 -- cgit v1.2.3