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include: Use static asserts for FW_DYNAMIC_INFO_xxx_OFFSET defines

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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 <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W
2022-03-16 18:19:18 +08:00
committed by Anup Patel
parent 1b42d3ace3
commit 7924a0b220
1 changed files with 35 additions and 0 deletions
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35
include/sbi/fw_dynamic.h
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@@ -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