On Tue, Jul 12, 2022 at 02:32:31PM +0800, Weiwei Li wrote:
- There are 3 suggested privilege modes conbinations listed in the spec:
No need for '-' here.
s/modes/mode/
s/conbinations/combinations/
(Same typos in $SUBJECT, also please capitalize 'add' in $SUBJECT.)
When referencing the spec it's nice to point out the doc/version/section.
1) M, 2) M, U 3) M, S, U
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/cpu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index db2b8e4d30..36c1b26fb3 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -726,6 +726,12 @@ static void riscv_cpu_realize(DeviceState *dev, Error
**errp)
return;
}
+ if (cpu->cfg.ext_s && !cpu->cfg.ext_u) {
+ error_setg(errp,
+ "Setting S extension without U extension is illegal");
+ return;
+ }
+
if (cpu->cfg.ext_f && !cpu->cfg.ext_icsr) {
error_setg(errp, "F extension requires Zicsr");
return;
--
2.17.1
Besides the commit message issues
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>