From 7924a0b220b703ccecd4be654a682e7ce5176e82 Mon Sep 17 00:00:00 2001 From: Xiang W Date: Wed, 16 Mar 2022 18:19:18 +0800 Subject: include: Use static asserts for FW_DYNAMIC_INFO_xxx_OFFSET defines Add static detection to prevent the modification of struct fw_dynamic_info from forgetting the modification of FW_DYNAMIC_INFO_xxx_OFFSET Signed-off-by: Xiang W Reviewed-by: Anup Patel --- include/sbi/fw_dynamic.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'include/sbi') diff --git a/include/sbi/fw_dynamic.h b/include/sbi/fw_dynamic.h index dea207b..45c4d5f 100644 --- a/include/sbi/fw_dynamic.h +++ b/include/sbi/fw_dynamic.h @@ -75,6 +75,41 @@ struct fw_dynamic_info { unsigned long boot_hart; } __packed; +/** + * Prevent modification of struct fw_dynamic_info from affecting + * FW_DYNAMIC_INFO_xxx_OFFSET + */ +_Static_assert( + offsetof(struct fw_dynamic_info, magic) + == FW_DYNAMIC_INFO_MAGIC_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_MAGIC_OFFSET"); +_Static_assert( + offsetof(struct fw_dynamic_info, version) + == FW_DYNAMIC_INFO_VERSION_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_VERSION_OFFSET"); +_Static_assert( + offsetof(struct fw_dynamic_info, next_addr) + == FW_DYNAMIC_INFO_NEXT_ADDR_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_NEXT_ADDR_OFFSET"); +_Static_assert( + offsetof(struct fw_dynamic_info, next_mode) + == FW_DYNAMIC_INFO_NEXT_MODE_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_NEXT_MODE_OFFSET"); +_Static_assert( + offsetof(struct fw_dynamic_info, options) + == FW_DYNAMIC_INFO_OPTIONS_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_OPTIONS_OFFSET"); +_Static_assert( + offsetof(struct fw_dynamic_info, boot_hart) + == FW_DYNAMIC_INFO_BOOT_HART_OFFSET, + "struct fw_dynamic_info definition has changed, please redefine " + "FW_DYNAMIC_INFO_BOOT_HART_OFFSET"); + #endif #endif -- cgit v1.2.3