diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sbi/sbi_hart.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 7b602c3..891fa18 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -478,7 +478,7 @@ static void hart_detect_features(struct sbi_scratch *scratch) { struct sbi_trap_info trap = {0}; struct hart_features *hfeatures; - unsigned long val; + unsigned long val, oldval; /* Reset hart features */ hfeatures = sbi_scratch_offset_ptr(scratch, hart_features_offset); @@ -487,14 +487,14 @@ static void hart_detect_features(struct sbi_scratch *scratch) hfeatures->mhpm_count = 0; #define __check_csr(__csr, __rdonly, __wrval, __field, __skip) \ - val = csr_read_allowed(__csr, (ulong)&trap); \ + oldval = csr_read_allowed(__csr, (ulong)&trap); \ if (!trap.cause) { \ if (__rdonly) { \ (hfeatures->__field)++; \ } else { \ csr_write_allowed(__csr, (ulong)&trap, __wrval);\ if (!trap.cause) { \ - if (csr_swap(__csr, val) == __wrval) \ + if (csr_swap(__csr, oldval) == __wrval) \ (hfeatures->__field)++; \ else \ goto __skip; \ |