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authorAnup Patel <apatel@ventanamicro.com>2022-04-28 16:01:57 +0300
committerAnup Patel <anup@brainfault.org>2022-05-07 07:34:54 +0300
commitd4b563c881d6bca15bd0c4123c245c875a80ffe6 (patch)
treee0966637e8bdf08f5f30a0611fd83214f11cd3bc /include/sbi/sbi_hart.h
parent5b8b377178df56ee6bca2cf31b7580ca07cb7d70 (diff)
downloadopensbi-d4b563c881d6bca15bd0c4123c245c875a80ffe6.tar.xz
lib: sbi: Remove MCOUNTEREN and SCOUNTEREN hart features
If a hart implements privileged spec v1.10 (or higher) then we can safely assume that [m|s]counteren CSR are present and we don't need MCOUNTEREN and SCOUNTEREN as hart features. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com>
Diffstat (limited to 'include/sbi/sbi_hart.h')
-rw-r--r--include/sbi/sbi_hart.h18
1 files changed, 7 insertions, 11 deletions
diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h
index 3c37933..4665a62 100644
--- a/include/sbi/sbi_hart.h
+++ b/include/sbi/sbi_hart.h
@@ -26,24 +26,20 @@ enum sbi_hart_priv_versions {
/** Possible feature flags of a hart */
enum sbi_hart_features {
- /** Hart has S-mode counter enable */
- SBI_HART_HAS_SCOUNTEREN = (1 << 0),
- /** Hart has M-mode counter enable */
- SBI_HART_HAS_MCOUNTEREN = (1 << 1),
/** Hart has counter inhibit CSR */
- SBI_HART_HAS_MCOUNTINHIBIT = (1 << 2),
+ SBI_HART_HAS_MCOUNTINHIBIT = (1 << 0),
/** Hart has sscofpmf extension */
- SBI_HART_HAS_SSCOFPMF = (1 << 3),
+ SBI_HART_HAS_SSCOFPMF = (1 << 1),
/** HART has timer csr implementation in hardware */
- SBI_HART_HAS_TIME = (1 << 4),
+ SBI_HART_HAS_TIME = (1 << 2),
/** HART has AIA local interrupt CSRs */
- SBI_HART_HAS_AIA = (1 << 5),
+ SBI_HART_HAS_AIA = (1 << 3),
/** HART has menvcfg CSR */
- SBI_HART_HAS_MENVCFG = (1 << 6),
+ SBI_HART_HAS_MENVCFG = (1 << 4),
/** HART has mstateen CSR **/
- SBI_HART_HAS_SMSTATEEN = (1 << 7),
+ SBI_HART_HAS_SMSTATEEN = (1 << 5),
/** HART has SSTC extension implemented in hardware */
- SBI_HART_HAS_SSTC = (1 << 8),
+ SBI_HART_HAS_SSTC = (1 << 6),
/** Last index of Hart features*/
SBI_HART_HAS_LAST_FEATURE = SBI_HART_HAS_SSTC,