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target/riscv: remove RISCV_FEATURE_EPMP

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RISCV_FEATURE_EPMP is always set to the same value as the cpu->cfg.epmp
flag. Use the flag directly.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-ID: <20230222185205.355361-7-dbarboza@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Daniel Henrique Barboza 2023-02-22 15:52:01 -03:00 • committed by Palmer Dabbelt
parent 09631441e5
commit 6a3ffda2ba
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GPG key ID: 2E1319F35FBB1889
4 changed files with 6 additions and 11 deletions
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4
target/riscv/pmp.c
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@ -88,7 +88,7 @@ static void pmp_write_cfg(CPURISCVState *env, uint32_t pmp_index, uint8_t val)
if (pmp_index < MAX_RISCV_PMPS) {
bool locked = true;
if (riscv_feature(env, RISCV_FEATURE_EPMP)) {
if (riscv_cpu_cfg(env)->epmp) {
/* mseccfg.RLB is set */
if (MSECCFG_RLB_ISSET(env)) {
locked = false;
@ -239,7 +239,7 @@ static bool pmp_hart_has_privs_default(CPURISCVState *env, target_ulong addr,
{
bool ret;
if (riscv_feature(env, RISCV_FEATURE_EPMP)) {
if (riscv_cpu_cfg(env)->epmp) {
if (MSECCFG_MMWP_ISSET(env)) {
/*
* The Machine Mode Whitelist Policy (mseccfg.MMWP) is set