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| author | Anup Patel <anup.patel@wdc.com> | 2020-01-03 06:40:41 +0300 |
|---|---|---|
| committer | Anup Patel <anup.patel@wdc.com> | 2020-01-07 09:40:48 +0300 |
| commit | 55e191e3b09c4979212c592a4e86e0f561ce1f97 (patch) | |
| tree | f23986fe49fd1291b03d2da152e31f189b2ad388 /include/sbi/sbi_platform.h | |
| parent | c3e406f1609af8f14e93419aa6722e646a8f4f56 (diff) | |
| download | opensbi-55e191e3b09c4979212c592a4e86e0f561ce1f97.tar.xz | |
lib: Add system early_exit and final_exit APIs
This patch adds system-level early_exit and final_exit APIs
with corresponding platform hooks. These new APIs will be
primarily used by sbi_exit() in OpenSBI exit path.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include/sbi/sbi_platform.h')
| -rw-r--r-- | include/sbi/sbi_platform.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h index 010328e..72bb7e2 100644 --- a/include/sbi/sbi_platform.h +++ b/include/sbi/sbi_platform.h @@ -76,6 +76,11 @@ struct sbi_platform_operations { /** Platform final initialization */ int (*final_init)(bool cold_boot); + /** Platform early exit */ + void (*early_exit)(void); + /** Platform final exit */ + void (*final_exit)(void); + /** For platforms that do not implement misa, non-standard * methods are needed to determine cpu extension. */ @@ -302,6 +307,28 @@ static inline int sbi_platform_final_init(const struct sbi_platform *plat, } /** + * Early exit for current HART + * + * @param plat pointer to struct sbi_platform + */ +static inline void sbi_platform_early_exit(const struct sbi_platform *plat) +{ + if (plat && sbi_platform_ops(plat)->early_exit) + sbi_platform_ops(plat)->early_exit(); +} + +/** + * Final exit for current HART + * + * @param plat pointer to struct sbi_platform + */ +static inline void sbi_platform_final_exit(const struct sbi_platform *plat) +{ + if (plat && sbi_platform_ops(plat)->final_exit) + sbi_platform_ops(plat)->final_exit(); +} + +/** * Check CPU extension in MISA * * @param plat pointer to struct sbi_platform |