diff options
| -rw-r--r-- | lib/sbi/riscv_asm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sbi/riscv_asm.c b/lib/sbi/riscv_asm.c index 3c3a5ad0..6dfebd91 100644 --- a/lib/sbi/riscv_asm.c +++ b/lib/sbi/riscv_asm.c @@ -268,7 +268,7 @@ int pmp_set(unsigned int n, unsigned long prot, unsigned long addr, /* encode PMP config */ prot |= (log2len == PMP_SHIFT) ? PMP_A_NA4 : PMP_A_NAPOT; - cfgmask = ~(0xff << pmpcfg_shift); + cfgmask = ~(0xffUL << pmpcfg_shift); pmpcfg = (csr_read_num(pmpcfg_csr) & cfgmask); pmpcfg |= ((prot << pmpcfg_shift) & ~cfgmask); @@ -320,7 +320,7 @@ int pmp_get(unsigned int n, unsigned long *prot_out, unsigned long *addr_out, return SBI_ENOTSUPP; /* decode PMP config */ - cfgmask = (0xff << pmpcfg_shift); + cfgmask = (0xffUL << pmpcfg_shift); pmpcfg = csr_read_num(pmpcfg_csr) & cfgmask; prot = pmpcfg >> pmpcfg_shift; |