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lib: sbi: Align SBI vendor extension id with mvendorid CSR

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As-per the SBI specification, the lower 24bits of the SBI vendor
extension id is same as lower 24bits of the mvendorid CSR.

We update the SBI vendor extension id checking based on above.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2023-02-13 10:20:30 +05:30
committed by Anup Patel
parent 30ea8069f4
commit 81adc62f45
4 changed files with 31 additions and 25 deletions
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1
platform/generic/include/platform_override.h
View File

@@ -27,7 +27,6 @@ struct platform_override {
int (*extensions_init)(const struct fdt_match *match,
struct sbi_hart_features *hfeatures);
void (*fw_init)(void *fdt, const struct fdt_match *match);
int (*vendor_ext_check)(long extid, const struct fdt_match *match);
int (*vendor_ext_provider)(long extid, long funcid,
const struct sbi_trap_regs *regs,
unsigned long *out_value,

19
platform/generic/platform.c
View File

@@ -180,13 +180,10 @@ static int generic_final_init(bool cold_boot)
return 0;
}
static int generic_vendor_ext_check(long extid)
static bool generic_vendor_ext_check(void)
{
if (generic_plat && generic_plat->vendor_ext_check)
return generic_plat->vendor_ext_check(extid,
generic_plat_match);
return 0;
return (generic_plat && generic_plat->vendor_ext_provider) ?
true : false;
}
static int generic_vendor_ext_provider(long extid, long funcid,
@@ -194,13 +191,9 @@ static int generic_vendor_ext_provider(long extid, long funcid,
unsigned long *out_value,
struct sbi_trap_info *out_trap)
{
if (generic_plat && generic_plat->vendor_ext_provider) {
return generic_plat->vendor_ext_provider(extid, funcid, regs,
out_value, out_trap,
generic_plat_match);
}
return SBI_ENOTSUPP;
return generic_plat->vendor_ext_provider(extid, funcid, regs,
out_value, out_trap,
generic_plat_match);
}
static void generic_early_exit(void)