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[PATCH v7 09/12] target/riscv/cpu.c: validate extensions before riscv_ti
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH v7 09/12] target/riscv/cpu.c: validate extensions before riscv_timer_init() |
Date: |
Mon, 17 Apr 2023 11:00:10 -0300 |
There is no need to init timers if we're not even sure that our
extensions are valid. Execute riscv_cpu_validate_set_extensions() before
riscv_timer_init().
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
---
target/riscv/cpu.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 43635144bd..2d7f0ac785 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -1257,13 +1257,6 @@ static void riscv_cpu_realize(DeviceState *dev, Error
**errp)
return;
}
-
-#ifndef CONFIG_USER_ONLY
- if (cpu->cfg.ext_sstc) {
- riscv_timer_init(cpu);
- }
-#endif /* CONFIG_USER_ONLY */
-
riscv_cpu_validate_set_extensions(cpu, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
@@ -1271,6 +1264,10 @@ static void riscv_cpu_realize(DeviceState *dev, Error
**errp)
}
#ifndef CONFIG_USER_ONLY
+ if (cpu->cfg.ext_sstc) {
+ riscv_timer_init(cpu);
+ }
+
if (cpu->cfg.pmu_num) {
if (!riscv_pmu_init(cpu, cpu->cfg.pmu_num) && cpu->cfg.ext_sscofpmf) {
cpu->pmu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
--
2.39.2
- [PATCH v7 03/12] target/riscv/cpu.c: remove set_priv_version(), (continued)
- [PATCH v7 03/12] target/riscv/cpu.c: remove set_priv_version(), Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 02/12] target/riscv/cpu.c: remove set_vext_version(), Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 04/12] target/riscv: add PRIV_VERSION_LATEST, Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 05/12] target/riscv: Mask the implicitly enabled extensions in isa_string based on priv version, Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 06/12] target/riscv: Update check for Zca/Zcf/Zcd, Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 07/12] target/riscv/cpu.c: add priv_spec validate/disable_exts helpers, Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 11/12] target/riscv: rework write_misa(), Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 08/12] target/riscv/cpu.c: add riscv_cpu_validate_misa_mxl(), Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 09/12] target/riscv/cpu.c: validate extensions before riscv_timer_init(),
Daniel Henrique Barboza <=
- [PATCH v7 10/12] target/riscv/cpu.c: remove cfg setup from riscv_cpu_init(), Daniel Henrique Barboza, 2023/04/17
- [PATCH v7 12/12] target/riscv: forbid write_misa() for static CPUs, Daniel Henrique Barboza, 2023/04/17