From 474a9d45551ab8c7df511a6620de2427a732351f Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Thu, 28 Apr 2022 13:13:59 +0530 Subject: 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 Reviewed-by: Atish Patra --- lib/sbi/sbi_hart.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/sbi') 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 -- cgit v1.2.3