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include: Use static asserts for SBI_SCRATCH_xxx_OFFSET defines

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Add static detection to prevent the modification of struct sbi_scratch
from forgetting the modification of SBI_SCRATCH_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 18:16:48 +08:00
committed by Anup Patel
parent 555bdb1cf3
commit 1b42d3ace3
1 changed files with 60 additions and 0 deletions
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60
include/sbi/sbi_scratch.h
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@@ -73,6 +73,66 @@ struct sbi_scratch {
unsigned long options;
};
/**
* Prevent modification of struct sbi_scratch from affecting
* SBI_SCRATCH_xxx_OFFSET
*/
_Static_assert(
offsetof(struct sbi_scratch, fw_start)
== SBI_SCRATCH_FW_START_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_FW_START_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, fw_size)
== SBI_SCRATCH_FW_SIZE_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_FW_SIZE_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, next_arg1)
== SBI_SCRATCH_NEXT_ARG1_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_NEXT_ARG1_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, next_addr)
== SBI_SCRATCH_NEXT_ADDR_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_NEXT_ADDR_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, next_mode)
== SBI_SCRATCH_NEXT_MODE_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_NEXT_MODE_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, warmboot_addr)
== SBI_SCRATCH_WARMBOOT_ADDR_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_WARMBOOT_ADDR_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, platform_addr)
== SBI_SCRATCH_PLATFORM_ADDR_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_PLATFORM_ADDR_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, hartid_to_scratch)
== SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_HARTID_TO_SCRATCH_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, trap_exit)
== SBI_SCRATCH_TRAP_EXIT_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_TRAP_EXIT_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, tmp0)
== SBI_SCRATCH_TMP0_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_TMP0_OFFSET");
_Static_assert(
offsetof(struct sbi_scratch, options)
== SBI_SCRATCH_OPTIONS_OFFSET,
"struct sbi_scratch definition has changed, please redefine "
"SBI_SCRATCH_OPTIONS_OFFSET");
/** Possible options for OpenSBI library */
enum sbi_scratch_options {
/** Disable prints during boot */