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authorDaniel Henrique Barboza <dbarboza@ventanamicro.com>2023-04-06 15:03:42 -0300
committerAlistair Francis <alistair.francis@wdc.com>2023-05-05 10:49:50 +1000
commit1a36e23a62283ecca1b56a983cfce67e4ec84ee7 (patch)
tree4fc0996b539c81f9a2ada4d426ded5a92114f4ab /target/riscv
parent427d8e7dd871a747727dbbfef22041fedef2ee32 (diff)
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target/riscv: remove cpu->cfg.ext_m
Create a new "m" RISCVCPUMisaExtConfig property that will update env->misa_ext* with RVM. Instances of cpu->cfg.ext_m and similar are replaced with riscv_has_ext(env, RVM). Remove the old "m" property and 'ext_m' from RISCVCPUConfig. Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20230406180351.570807-12-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv')
-rw-r--r--target/riscv/cpu.c10
-rw-r--r--target/riscv/cpu.h1
2 files changed, 5 insertions, 6 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 33db4fa..2464045 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -817,13 +817,13 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
CPURISCVState *env = &cpu->env;
/* Do some ISA extension error checking */
- if (cpu->cfg.ext_g && !(riscv_has_ext(env, RVI) && cpu->cfg.ext_m &&
+ if (cpu->cfg.ext_g && !(riscv_has_ext(env, RVI) &&
+ riscv_has_ext(env, RVM) &&
riscv_has_ext(env, RVA) &&
riscv_has_ext(env, RVF) &&
riscv_has_ext(env, RVD) &&
cpu->cfg.ext_icsr && cpu->cfg.ext_ifencei)) {
warn_report("Setting G will also set IMAFD_Zicsr_Zifencei");
- cpu->cfg.ext_m = true;
cpu->cfg.ext_icsr = true;
cpu->cfg.ext_ifencei = true;
@@ -1153,7 +1153,7 @@ static void riscv_cpu_sync_misa_cfg(CPURISCVState *env)
if (riscv_has_ext(env, RVE)) {
ext |= RVE;
}
- if (riscv_cpu_cfg(env)->ext_m) {
+ if (riscv_has_ext(env, RVM)) {
ext |= RVM;
}
if (riscv_has_ext(env, RVA)) {
@@ -1505,6 +1505,8 @@ static const RISCVCPUMisaExtConfig misa_ext_cfgs[] = {
.misa_bit = RVI, .enabled = true},
{.name = "e", .description = "Base integer instruction set (embedded)",
.misa_bit = RVE, .enabled = false},
+ {.name = "m", .description = "Integer multiplication and division",
+ .misa_bit = RVM, .enabled = true},
};
static void riscv_cpu_add_misa_properties(Object *cpu_obj)
@@ -1528,7 +1530,6 @@ static void riscv_cpu_add_misa_properties(Object *cpu_obj)
static Property riscv_cpu_extensions[] = {
/* Defaults for standard extensions */
DEFINE_PROP_BOOL("g", RISCVCPU, cfg.ext_g, false),
- DEFINE_PROP_BOOL("m", RISCVCPU, cfg.ext_m, true),
DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
DEFINE_PROP_BOOL("v", RISCVCPU, cfg.ext_v, false),
@@ -1645,7 +1646,6 @@ static void register_cpu_props(Object *obj)
* later on.
*/
if (cpu->env.misa_ext != 0) {
- cpu->cfg.ext_m = misa_ext & RVM;
cpu->cfg.ext_v = misa_ext & RVV;
cpu->cfg.ext_s = misa_ext & RVS;
cpu->cfg.ext_u = misa_ext & RVU;
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 2b42de6..71540a3 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -423,7 +423,6 @@ typedef struct {
struct RISCVCPUConfig {
bool ext_g;
- bool ext_m;
bool ext_s;
bool ext_u;
bool ext_h;