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[PATCH v3 08/20] target/riscv: remove cpu->cfg.ext_f
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH v3 08/20] target/riscv: remove cpu->cfg.ext_f |
Date: |
Wed, 29 Mar 2023 14:28:51 -0300 |
Create a new "f" RISCVCPUMisaExtConfig property that will update
env->misa_ext* with RVF. Instances of cpu->cfg.ext_f and similar are
replaced with riscv_has_ext(env, RVF).
Remove the old "f" property and 'ext_f' from RISCVCPUConfig.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
---
target/riscv/cpu.c | 20 ++++++++++----------
target/riscv/cpu.h | 1 -
2 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 9bb714d0d8..f53400d40f 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -812,12 +812,12 @@ 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 &&
riscv_has_ext(env, RVA) &&
- cpu->cfg.ext_f && riscv_has_ext(env, RVD) &&
+ 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_i = true;
cpu->cfg.ext_m = true;
- cpu->cfg.ext_f = true;
cpu->cfg.ext_icsr = true;
cpu->cfg.ext_ifencei = true;
@@ -854,7 +854,7 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU
*cpu, Error **errp)
return;
}
- if (cpu->cfg.ext_f && !cpu->cfg.ext_icsr) {
+ if (riscv_has_ext(env, RVF) && !cpu->cfg.ext_icsr) {
error_setg(errp, "F extension requires Zicsr");
return;
}
@@ -868,12 +868,12 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU
*cpu, Error **errp)
cpu->cfg.ext_zfhmin = true;
}
- if (cpu->cfg.ext_zfhmin && !cpu->cfg.ext_f) {
+ if (cpu->cfg.ext_zfhmin && !riscv_has_ext(env, RVF)) {
error_setg(errp, "Zfh/Zfhmin extensions require F extension");
return;
}
- if (riscv_has_ext(env, RVD) && !cpu->cfg.ext_f) {
+ if (riscv_has_ext(env, RVD) && !riscv_has_ext(env, RVF)) {
error_setg(errp, "D extension requires F extension");
return;
}
@@ -898,7 +898,7 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU
*cpu, Error **errp)
return;
}
- if (cpu->cfg.ext_zve32f && !cpu->cfg.ext_f) {
+ if (cpu->cfg.ext_zve32f && !riscv_has_ext(env, RVF)) {
error_setg(errp, "Zve32f/Zve64f extensions require F extension");
return;
}
@@ -931,7 +931,7 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU
*cpu, Error **errp)
error_setg(errp, "Zfinx extension requires Zicsr");
return;
}
- if (cpu->cfg.ext_f) {
+ if (riscv_has_ext(env, RVF)) {
error_setg(errp,
"Zfinx cannot be supported together with F extension");
return;
@@ -1100,7 +1100,7 @@ static void riscv_cpu_sync_misa_cfg(CPURISCVState *env)
if (riscv_has_ext(env, RVA)) {
ext |= RVA;
}
- if (riscv_cpu_cfg(env)->ext_f) {
+ if (riscv_has_ext(env, RVF)) {
ext |= RVF;
}
if (riscv_has_ext(env, RVD)) {
@@ -1440,6 +1440,8 @@ static const RISCVCPUMisaExtConfig misa_ext_cfgs[] = {
.misa_bit = RVC, .enabled = true},
{.name = "d", .description = "Double-precision float point",
.misa_bit = RVD, .enabled = true},
+ {.name = "f", .description = "Single-precision float point",
+ .misa_bit = RVF, .enabled = true},
};
static void riscv_cpu_add_misa_properties(Object *cpu_obj)
@@ -1466,7 +1468,6 @@ 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("f", RISCVCPU, cfg.ext_f, 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),
@@ -1577,7 +1578,6 @@ 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_f = misa_ext & RVF;
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 e4cf79e36f..ce23b1c431 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -422,7 +422,6 @@ struct RISCVCPUConfig {
bool ext_e;
bool ext_g;
bool ext_m;
- bool ext_f;
bool ext_s;
bool ext_u;
bool ext_h;
--
2.39.2
- [PATCH v3 00/20] remove MISA ext_N flags from cpu->cfg,, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 01/20] target/riscv: sync env->misa_ext* with cpu->cfg in realize(), Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 02/20] target/riscv: remove MISA properties from isa_edata_arr[], Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 03/20] target/riscv/cpu.c: remove 'multi_letter' from isa_ext_data, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 04/20] target/riscv: introduce riscv_cpu_add_misa_properties(), Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 05/20] target/riscv: remove cpu->cfg.ext_a, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 06/20] target/riscv: remove cpu->cfg.ext_c, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 07/20] target/riscv: remove cpu->cfg.ext_d, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 10/20] target/riscv: remove cpu->cfg.ext_e, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 08/20] target/riscv: remove cpu->cfg.ext_f,
Daniel Henrique Barboza <=
- [PATCH v3 09/20] target/riscv: remove cpu->cfg.ext_i, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 13/20] target/riscv: remove cpu->cfg.ext_u, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 11/20] target/riscv: remove cpu->cfg.ext_m, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 12/20] target/riscv: remove cpu->cfg.ext_s, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 14/20] target/riscv: remove cpu->cfg.ext_h, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 15/20] target/riscv: remove cpu->cfg.ext_j, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 16/20] target/riscv: remove cpu->cfg.ext_v, Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 17/20] target/riscv: remove riscv_cpu_sync_misa_cfg(), Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 18/20] target/riscv: remove cfg.ext_g setup from rv64_thead_c906_cpu_init(), Daniel Henrique Barboza, 2023/03/29
- [PATCH v3 19/20] target/riscv: add RVG and remove cpu->cfg.ext_g, Daniel Henrique Barboza, 2023/03/29