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firmware: Define a macro for version of struct fw_dynamic_info

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Avoid using a magic number, instead use a macro for the version of
struct fw_dynamic_info.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Bin Meng 2021-07-07 16:22:41 +08:00 • committed by Anup Patel
parent dcb756b01a
commit b88b3661d4
2 changed files with 4 additions and 3 deletions
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4
firmware/fw_dynamic.S
View file

@ -36,7 +36,7 @@ fw_boot_hart:
bgt a0, a1, _bad_dynamic_info
/* Read boot HART id */
li a1, 0x2
li a1, FW_DYNAMIC_INFO_VERSION_2
blt a0, a1, 2f
REG_L a0, FW_DYNAMIC_INFO_BOOT_HART_OFFSET(a2)
ret
@ -69,7 +69,7 @@ fw_save_info:
REG_S a3, (a4)
/* Save version == 0x2 fields */
li a4, 0x2
li a4, FW_DYNAMIC_INFO_VERSION_2
REG_L a3, FW_DYNAMIC_INFO_VERSION_OFFSET(a2)
blt a3, a4, 2f
lla a4, _dynamic_boot_hart

3
include/sbi/fw_dynamic.h
View file

@ -31,7 +31,8 @@
#define FW_DYNAMIC_INFO_MAGIC_VALUE 0x4942534f
/** Maximum supported info version */
#define FW_DYNAMIC_INFO_VERSION_MAX 0x2
#define FW_DYNAMIC_INFO_VERSION_2 0x2
#define FW_DYNAMIC_INFO_VERSION_MAX FW_DYNAMIC_INFO_VERSION_2
/** Possible next mode values */
#define FW_DYNAMIC_INFO_NEXT_MODE_U 0x0