Re: [PATCH v2 12/18] target/riscv: Expose CPU options of WorldGuard

[Daniel Henrique Barboza]

On 4/17/25 7:52 AM, Jim Shu wrote:

Expose WG CPU extensions (Smwg, Sswg, Smwgd) and WG CPU configs
(mwid, mwidlist).

Signed-off-by: Jim Shu <jim....@sifive.com>
---

Reviewed-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com>

  target/riscv/cpu.c | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 1aba6dd853..46df970fe3 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -1742,6 +1742,11 @@ const RISCVCPUMultiExtConfig riscv_cpu_vendor_exts[] = {
  const RISCVCPUMultiExtConfig riscv_cpu_experimental_exts[] = {
      MULTI_EXT_CFG_BOOL("x-svukte", ext_svukte, false),

+ /* RISC-V WorldGuard v0.4 */

+    MULTI_EXT_CFG_BOOL("x-smwg", ext_smwg, false),
+    MULTI_EXT_CFG_BOOL("x-smwgd", ext_smwgd, false),
+    MULTI_EXT_CFG_BOOL("x-sswg", ext_sswg, false),
+
      { },
  };

@@ -2975,6 +2980,9 @@ static const Property riscv_cpu_properties[] = {

       * it with -x and default to 'false'.
       */
      DEFINE_PROP_BOOL("x-misa-w", RISCVCPU, cfg.misa_w, false),
+
+    DEFINE_PROP_UINT32("x-mwid", RISCVCPU, cfg.mwid, UINT32_MAX),
+    DEFINE_PROP_UINT32("x-mwidlist", RISCVCPU, cfg.mwidlist, UINT32_MAX),
  };

#if defined(TARGET_RISCV64)