[v7] RISC-V Pointer Masking implementation

[PATCH v7 6/6] [RISCV_PM] Allow experimental J-ext to be turned on

Posted by Alexey Baturo 5 years ago

Signed-off-by: Alexey Baturo <space.monkey.delivers@gmail.com>
---
 target/riscv/cpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 19398977d3..234401c3c6 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -499,6 +499,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
         }
         if (cpu->cfg.ext_j) {
             env->mmte |= PM_EXT_INITIAL;
+            target_misa |= RVJ;
         }
         if (cpu->cfg.ext_v) {
             target_misa |= RVV;
@@ -571,6 +572,7 @@ static Property riscv_cpu_properties[] = {
     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("x-j", RISCVCPU, cfg.ext_j, false),
     DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false),
     DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
-- 
2.20.1

Re: [PATCH v7 6/6] [RISCV_PM] Allow experimental J-ext to be turned on

Posted by Alistair Francis 5 years ago

On Sun, Jan 10, 2021 at 11:00 AM Alexey Baturo <baturo.alexey@gmail.com> wrote:
>
> Signed-off-by: Alexey Baturo <space.monkey.delivers@gmail.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  target/riscv/cpu.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 19398977d3..234401c3c6 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -499,6 +499,7 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
>          }
>          if (cpu->cfg.ext_j) {
>              env->mmte |= PM_EXT_INITIAL;
> +            target_misa |= RVJ;
>          }
>          if (cpu->cfg.ext_v) {
>              target_misa |= RVV;
> @@ -571,6 +572,7 @@ static Property riscv_cpu_properties[] = {
>      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("x-j", RISCVCPU, cfg.ext_j, false),
>      DEFINE_PROP_BOOL("x-v", RISCVCPU, cfg.ext_v, false),
>      DEFINE_PROP_BOOL("Counters", RISCVCPU, cfg.ext_counters, true),
>      DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
> --
> 2.20.1
>
>

Re: [PATCH v7 6/6] [RISCV_PM] Allow experimental J-ext to be turned on

Posted by Richard Henderson 5 years ago

On 1/10/21 8:51 AM, Alexey Baturo wrote:
> Signed-off-by: Alexey Baturo <space.monkey.delivers@gmail.com>
> ---
>  target/riscv/cpu.c | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~