diff mbox series

[v1,28/28] target/riscv: Allow enabling the Hypervisor extension

Message ID 8dae4338c8938696dfcecee6e736f6b09cc82877.1566603412.git.alistair.francis@wdc.com
State New
Headers show
Series Add RISC-V Hypervisor Extension v0.4 | expand

Commit Message

Alistair Francis Aug. 23, 2019, 11:39 p.m. UTC
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c | 5 +++++
 target/riscv/cpu.h | 1 +
 2 files changed, 6 insertions(+)

Comments

Palmer Dabbelt Oct. 8, 2019, 6:53 p.m. UTC | #1
On Fri, 23 Aug 2019 16:39:03 PDT (-0700), Alistair Francis wrote:
> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
> ---
>  target/riscv/cpu.c | 5 +++++
>  target/riscv/cpu.h | 1 +
>  2 files changed, 6 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 06ee551ebe..39e1c130df 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -447,6 +447,9 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
>          if (cpu->cfg.ext_u) {
>              target_misa |= RVU;
>          }
> +        if (cpu->cfg.ext_h) {
> +            target_misa |= RVH;
> +        }
>
>          set_misa(env, RVXLEN | target_misa);
>      }
> @@ -493,6 +496,8 @@ static Property riscv_cpu_properties[] = {
>      DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
>      DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
>      DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
> +    /* This is experimental so mark with 'x-' */
> +    DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false),
>      DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
>      DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
>      DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index b63f1f3cdc..500496a3be 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -268,6 +268,7 @@ typedef struct RISCVCPU {
>          bool ext_c;
>          bool ext_s;
>          bool ext_u;
> +        bool ext_h;
>          bool ext_counters;
>          bool ext_ifencei;
>          bool ext_icsr;

Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
diff mbox series

Patch

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 06ee551ebe..39e1c130df 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -447,6 +447,9 @@  static void riscv_cpu_realize(DeviceState *dev, Error **errp)
         if (cpu->cfg.ext_u) {
             target_misa |= RVU;
         }
+        if (cpu->cfg.ext_h) {
+            target_misa |= RVH;
+        }
 
         set_misa(env, RVXLEN | target_misa);
     }
@@ -493,6 +496,8 @@  static Property riscv_cpu_properties[] = {
     DEFINE_PROP_BOOL("c", RISCVCPU, cfg.ext_c, true),
     DEFINE_PROP_BOOL("s", RISCVCPU, cfg.ext_s, true),
     DEFINE_PROP_BOOL("u", RISCVCPU, cfg.ext_u, true),
+    /* This is experimental so mark with 'x-' */
+    DEFINE_PROP_BOOL("x-h", RISCVCPU, cfg.ext_h, false),
     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index b63f1f3cdc..500496a3be 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -268,6 +268,7 @@  typedef struct RISCVCPU {
         bool ext_c;
         bool ext_s;
         bool ext_u;
+        bool ext_h;
         bool ext_counters;
         bool ext_ifencei;
         bool ext_icsr;