From: "Fea.Wang" <fea.wang@sifive.com>

Add RISC-V privilege 1.13 support.

Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Signed-off-by: Fea.Wang <fea.wang@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Weiwei Li <liwei1518@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-ID: <20240606135454.119186-7-fea.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c         | 6 +++++-
 target/riscv/tcg/tcg-cpu.c | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index fd0f09c468..4760cb2cc1 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -1779,7 +1779,9 @@ static int priv_spec_from_str(const char *priv_spec_str)
 {
     int priv_version = -1;
 
-    if (!g_strcmp0(priv_spec_str, PRIV_VER_1_12_0_STR)) {
+    if (!g_strcmp0(priv_spec_str, PRIV_VER_1_13_0_STR)) {
+        priv_version = PRIV_VERSION_1_13_0;
+    } else if (!g_strcmp0(priv_spec_str, PRIV_VER_1_12_0_STR)) {
         priv_version = PRIV_VERSION_1_12_0;
     } else if (!g_strcmp0(priv_spec_str, PRIV_VER_1_11_0_STR)) {
         priv_version = PRIV_VERSION_1_11_0;
@@ -1799,6 +1801,8 @@ const char *priv_spec_to_str(int priv_version)
         return PRIV_VER_1_11_0_STR;
     case PRIV_VERSION_1_12_0:
         return PRIV_VER_1_12_0_STR;
+    case PRIV_VERSION_1_13_0:
+        return PRIV_VER_1_13_0_STR;
     default:
         return NULL;
     }
diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index 4c6141f947..eb6f7b9d12 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -318,6 +318,10 @@ static void riscv_cpu_update_named_features(RISCVCPU *cpu)
         cpu->cfg.has_priv_1_12 = true;
     }
 
+    if (cpu->env.priv_ver >= PRIV_VERSION_1_13_0) {
+        cpu->cfg.has_priv_1_13 = true;
+    }
+
     /* zic64b is 1.12 or later */
     cpu->cfg.ext_zic64b = cpu->cfg.cbom_blocksize == 64 &&
                           cpu->cfg.cbop_blocksize == 64 &&
-- 
2.45.2