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Diffstat (limited to 'target/riscv/pmp.c')
-rw-r--r--target/riscv/pmp.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c
index 54abf42583..81b61bb65c 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -463,16 +463,11 @@ void pmpcfg_csr_write(CPURISCVState *env, uint32_t reg_index,
{
int i;
uint8_t cfg_val;
+ int pmpcfg_nums = 2 << riscv_cpu_mxl(env);
trace_pmpcfg_csr_write(env->mhartid, reg_index, val);
- if ((reg_index & 1) && (sizeof(target_ulong) == 8)) {
- qemu_log_mask(LOG_GUEST_ERROR,
- "ignoring pmpcfg write - incorrect address\n");
- return;
- }
-
- for (i = 0; i < sizeof(target_ulong); i++) {
+ for (i = 0; i < pmpcfg_nums; i++) {
cfg_val = (val >> 8 * i) & 0xff;
pmp_write_cfg(env, (reg_index * 4) + i, cfg_val);
}
@@ -490,8 +485,9 @@ target_ulong pmpcfg_csr_read(CPURISCVState *env, uint32_t reg_index)
int i;
target_ulong cfg_val = 0;
target_ulong val = 0;
+ int pmpcfg_nums = 2 << riscv_cpu_mxl(env);
- for (i = 0; i < sizeof(target_ulong); i++) {
+ for (i = 0; i < pmpcfg_nums; i++) {
val = pmp_read_cfg(env, (reg_index * 4) + i);
cfg_val |= (val << (i * 8));
}