@@ -426,7 +426,6 @@ struct RISCVCPUConfig {
bool ext_e;
bool ext_g;
bool ext_m;
- bool ext_a;
bool ext_f;
bool ext_d;
bool ext_c;
@@ -819,13 +819,12 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
/* Do some ISA extension error checking */
if (cpu->cfg.ext_g && !(cpu->cfg.ext_i && cpu->cfg.ext_m &&
- cpu->cfg.ext_a && cpu->cfg.ext_f &&
- cpu->cfg.ext_d &&
+ riscv_has_ext(env, RVA) &&
+ cpu->cfg.ext_f && cpu->cfg.ext_d &&
cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
warn_report("Setting G will also set IMAFD_Zicsr_Zifencei");
cpu->cfg.ext_i = true;
cpu->cfg.ext_m = true;
- cpu->cfg.ext_a = true;
cpu->cfg.ext_f = true;
cpu->cfg.ext_d = true;
cpu->cfg.ext_icsr = true;
@@ -869,7 +868,7 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
return;
}
- if ((cpu->cfg.ext_zawrs) && !cpu->cfg.ext_a) {
+ if ((cpu->cfg.ext_zawrs) && !riscv_has_ext(env, RVA)) {
error_setg(errp, "Zawrs extension requires A extension");
return;
}
@@ -1160,7 +1159,7 @@ static void riscv_cpu_sync_misa_cfg(CPURISCVState *env)
if (riscv_cpu_cfg(env)->ext_m) {
ext |= RVM;
}
- if (riscv_cpu_cfg(env)->ext_a) {
+ if (riscv_has_ext(env, RVA)) {
ext |= RVA;
}
if (riscv_cpu_cfg(env)->ext_f) {
@@ -1496,7 +1495,10 @@ static void cpu_get_misa_ext_cfg(Object *obj, Visitor *v, const char *name,
visit_type_bool(v, name, &value, errp);
}
-static const RISCVCPUMisaExtConfig misa_ext_cfgs[] = {};
+static const RISCVCPUMisaExtConfig misa_ext_cfgs[] = {
+ {.name = "a", .description = "Atomic instructions",
+ .misa_bit = RVA, .enabled = true},
+};
static void riscv_cpu_add_misa_properties(Object *cpu_obj)
{
@@ -1522,7 +1524,6 @@ static Property riscv_cpu_extensions[] = {
DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false),
DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, false),
DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
- DEFINE_PROP_BOOL("a", RISCVCPU, cfg.ext_a, true),
DEFINE_PROP_BOOL("f", RISCVCPU, cfg.ext_f, true),
DEFINE_PROP_BOOL("d", RISCVCPU, cfg.ext_d, true),
DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
@@ -1645,7 +1646,6 @@ static void register_cpu_props(Object *obj)
cpu->cfg.ext_i = misa_ext & RVI;
cpu->cfg.ext_e = misa_ext & RVE;
cpu->cfg.ext_m = misa_ext & RVM;
- cpu->cfg.ext_a = misa_ext & RVA;
cpu->cfg.ext_f = misa_ext & RVF;
cpu->cfg.ext_d = misa_ext & RVD;
cpu->cfg.ext_v = misa_ext & RVV;