diff options
| author | Himanshu Chauhan <hchauhan@ventanamicro.com> | 2023-07-12 10:04:31 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-07-13 12:12:58 +0530 |
| commit | d72f5f17478dfef3df817339a0f02cfdb77a1dc1 (patch) | |
| tree | f0483952e9cda12e5a53ce4101349f112bc8c1ab /platform | |
| parent | cbcfc7b10c3a99349f184647c73448b0cb8482df (diff) | |
| download | opensbi-d72f5f17478dfef3df817339a0f02cfdb77a1dc1.zip opensbi-d72f5f17478dfef3df817339a0f02cfdb77a1dc1.tar.gz opensbi-d72f5f17478dfef3df817339a0f02cfdb77a1dc1.tar.bz2 | |
lib: utils: Add detection of Smepmp from ISA string in FDT
- Add function to parse ISA string in FDT.
- Set Smepmp feature bit in extensions if "smepmp" string is found in ISA string.
Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/generic/platform.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/platform/generic/platform.c b/platform/generic/platform.c index 86811e6..34b87f7 100644 --- a/platform/generic/platform.c +++ b/platform/generic/platform.c @@ -211,6 +211,15 @@ static void generic_final_exit(void) static int generic_extensions_init(struct sbi_hart_features *hfeatures) { + int rc; + + /* Parse the ISA string from FDT and enable the listed extensions */ + rc = fdt_parse_isa_extensions(fdt_get_address(), current_hartid(), + &hfeatures->extensions); + + if (rc) + return rc; + if (generic_plat && generic_plat->extensions_init) return generic_plat->extensions_init(generic_plat_match, hfeatures); |