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lib: sbi: Detect AIA CSRs at boot-time

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We extend HART feature detection to discover AIA CSRs at boot-time.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Anup Patel
2021-04-06 13:06:47 +05:30
committed by Anup Patel
parent 01250d0044
commit 8f96070067
2 changed files with 14 additions and 1 deletions
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4
include/sbi/sbi_hart.h
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@@ -24,9 +24,11 @@ enum sbi_hart_features {
SBI_HART_HAS_SSCOFPMF = (1 << 3),
/** HART has timer csr implementation in hardware */
SBI_HART_HAS_TIME = (1 << 4),
/** HART has AIA local interrupt CSRs */
SBI_HART_HAS_AIA = (1 << 5),
/** Last index of Hart features*/
SBI_HART_HAS_LAST_FEATURE = SBI_HART_HAS_TIME,
SBI_HART_HAS_LAST_FEATURE = SBI_HART_HAS_AIA,
};
struct sbi_scratch;