Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

lib: sbi: Fix mstatus_init() for RV32 when Sscofpmf is not available

Browse Source 
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>
This commit is contained in:
Anup Patel
2022-04-28 13:13:59 +05:30
committed by Anup Patel
parent d62f6da062
commit 474a9d4555
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/sbi/sbi_hart.c
View File

@@ -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