diff options
| author | Anup Patel <apatel@ventanamicro.com> | 2022-04-28 10:43:59 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-04-28 17:09:01 +0300 |
| commit | 474a9d45551ab8c7df511a6620de2427a732351f (patch) | |
| tree | 635618df18a1d9e23e2fd45a41aec56d50ddaa09 | |
| parent | d62f6da062ad0fcc3bdc042a3f3b200d91d18afd (diff) | |
| download | opensbi-474a9d45551ab8c7df511a6620de2427a732351f.tar.xz | |
lib: sbi: Fix mstatus_init() for RV32 when Sscofpmf is not available
The mhpmevent3h to mhpmevent31h CSRs are available on RV32 only when
Sscofpmf extension is available so mstatus_init() should set this
CSRs only when Sscofpmf extension is available.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
| -rw-r--r-- | lib/sbi/sbi_hart.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index a50b6e4..229c14a 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -82,7 +82,9 @@ static void mstatus_init(struct sbi_scratch *scratch) for (cidx = 0; cidx < num_mhpm; cidx++) { #if __riscv_xlen == 32 csr_write_num(CSR_MHPMEVENT3 + cidx, mhpmevent_init_val & 0xFFFFFFFF); - csr_write_num(CSR_MHPMEVENT3H + cidx, mhpmevent_init_val >> BITS_PER_LONG); + if (sbi_hart_has_feature(scratch, SBI_HART_HAS_SSCOFPMF)) + csr_write_num(CSR_MHPMEVENT3H + cidx, + mhpmevent_init_val >> BITS_PER_LONG); #else csr_write_num(CSR_MHPMEVENT3 + cidx, mhpmevent_init_val); #endif |