diff options
| author | Nick Hu <[email protected]> | 2025-10-20 14:34:07 +0800 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2025-10-28 11:27:55 +0530 |
| commit | 8752c809b34fed3378860258922c67df14236d11 (patch) | |
| tree | eabae052e292bffecd03de43134b62b7e82047f5 | |
| parent | ce4dc7649e5e1f7053d996f08c7da071b80b654f (diff) | |
lib: sbi: Add SiFive proprietary xsfcflushdlone
Using ISA string "xsfcflushdlone" to detect the support of the
SiFive L1D cache flush custom instruction.
Reviewed-by: Cyan Yang <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Signed-off-by: Nick Hu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
| -rw-r--r-- | include/sbi/sbi_hart.h | 2 | ||||
| -rw-r--r-- | lib/sbi/sbi_hart.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h index 82b19dcf..fdcf400a 100644 --- a/include/sbi/sbi_hart.h +++ b/include/sbi/sbi_hart.h @@ -81,6 +81,8 @@ enum sbi_hart_extensions { SBI_HART_EXT_SSCTR, /** HART has Ssstateen extension **/ SBI_HART_EXT_SSSTATEEN, + /** Hart has Xsfcflushdlone extension */ + SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1, /** Maximum index of Hart extension */ SBI_HART_EXT_MAX, diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 1b50f671..4159dff5 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -715,6 +715,7 @@ const struct sbi_hart_ext_data sbi_hart_ext[] = { __SBI_HART_EXT_DATA(smctr, SBI_HART_EXT_SMCTR), __SBI_HART_EXT_DATA(ssctr, SBI_HART_EXT_SSCTR), __SBI_HART_EXT_DATA(ssstateen, SBI_HART_EXT_SSSTATEEN), + __SBI_HART_EXT_DATA(xsfcflushdlone, SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1), }; _Static_assert(SBI_HART_EXT_MAX == array_size(sbi_hart_ext), |