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[v6,1/6,RISCV_PM] Add J-extension into RISC-V

Message ID 20201022080440.10069-2-space.monkey.delivers@gmail.com
State New
Headers show
Series RISC-V Pointer Masking implementation | expand

Commit Message

Alexey Baturo Oct. 22, 2020, 8:04 a.m. UTC
Signed-off-by: Alexey Baturo <space.monkey.delivers@gmail.com>
---
 target/riscv/cpu.c | 1 +
 target/riscv/cpu.h | 2 ++
 2 files changed, 3 insertions(+)

Comments

Alistair Francis Oct. 24, 2020, 12:24 a.m. UTC | #1
On Thu, Oct 22, 2020 at 1:05 AM Alexey Baturo <baturo.alexey@gmail.com> wrote:
>
> Signed-off-by: Alexey Baturo <space.monkey.delivers@gmail.com>
> ---
>  target/riscv/cpu.c | 1 +
>  target/riscv/cpu.h | 2 ++
>  2 files changed, 3 insertions(+)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 0bbfd7f457..4e305249b3 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -516,6 +516,7 @@ 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),

This line should be in the last commit. It shouldn't be exposed to
users until the very end.

Alistair

>      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),
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index de275782e6..eca611a367 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -66,6 +66,7 @@
>  #define RVS RV('S')
>  #define RVU RV('U')
>  #define RVH RV('H')
> +#define RVJ RV('J')
>
>  /* S extension denotes that Supervisor mode exists, however it is possible
>     to have a core that support S mode but does not have an MMU and there
> @@ -277,6 +278,7 @@ struct RISCVCPU {
>          bool ext_s;
>          bool ext_u;
>          bool ext_h;
> +        bool ext_j;
>          bool ext_v;
>          bool ext_counters;
>          bool ext_ifencei;
> --
> 2.20.1
>
>
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Patch

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 0bbfd7f457..4e305249b3 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -516,6 +516,7 @@  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),
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index de275782e6..eca611a367 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -66,6 +66,7 @@ 
 #define RVS RV('S')
 #define RVU RV('U')
 #define RVH RV('H')
+#define RVJ RV('J')
 
 /* S extension denotes that Supervisor mode exists, however it is possible
    to have a core that support S mode but does not have an MMU and there
@@ -277,6 +278,7 @@  struct RISCVCPU {
         bool ext_s;
         bool ext_u;
         bool ext_h;
+        bool ext_j;
         bool ext_v;
         bool ext_counters;
         bool ext_ifencei;