diff options
| author | Anup Patel <apatel@ventanamicro.com> | 2022-04-29 18:32:24 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-05-07 07:47:28 +0300 |
| commit | 023f0ad2d9c1039c0538620aa26c4680e3bfd9c9 (patch) | |
| tree | 46c9ab9941d0963a43e4f17ca818f9559e91af2f /include | |
| parent | 994ace30f7c83f0cf9bd1b27a8bf15e0c0d5f9b6 (diff) | |
| download | opensbi-023f0ad2d9c1039c0538620aa26c4680e3bfd9c9.tar.xz | |
lib: sbi_platform: Add callback to populate HART extensions
We add platform specific extensions_init() callback which allows
platforms to populate HART extensions for each HART. For example,
the generic platform can populate HART extensions from HART ISA
string described in DeviceTree.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_platform.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h index 2c777ac..87024db 100644 --- a/include/sbi/sbi_platform.h +++ b/include/sbi/sbi_platform.h @@ -89,6 +89,9 @@ struct sbi_platform_operations { */ int (*misa_get_xlen)(void); + /** Initialize (or populate) HART extensions for the platform */ + int (*extensions_init)(void); + /** Initialize (or populate) domains for the platform */ int (*domains_init)(void); @@ -454,6 +457,21 @@ static inline int sbi_platform_misa_xlen(const struct sbi_platform *plat) } /** + * Initialize (or populate) HART extensions for the platform + * + * @param plat pointer to struct sbi_platform + * + * @return 0 on success and negative error code on failure + */ +static inline int sbi_platform_extensions_init( + const struct sbi_platform *plat) +{ + if (plat && sbi_platform_ops(plat)->extensions_init) + return sbi_platform_ops(plat)->extensions_init(); + return 0; +} + +/** * Initialize (or populate) domains for the platform * * @param plat pointer to struct sbi_platform |