[PATCH v5 1/6] target/riscv: add cfg properties for zfinx, zdinx and zhinx{min}

[Weiwei Li <liweiwei@iscas.ac.cn>]

Co-authored-by: ardxwe <ardxwe@gmail.com>
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c       | 12 ++++++++++++
 target/riscv/cpu.h       |  4 ++++
 target/riscv/translate.c |  8 ++++++++
 3 files changed, 24 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 1cb0436187..7006e6647b 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -569,6 +569,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
             cpu->cfg.ext_d = true;
         }
 
+        if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinx ||
+            cpu->cfg.ext_zhinxmin) {
+            cpu->cfg.ext_zfinx = true;
+        }
+
         /* Set the ISA extensions, checks should have happened above */
         if (cpu->cfg.ext_i) {
             ext |= RVI;
@@ -647,6 +652,13 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
         if (cpu->cfg.ext_j) {
             ext |= RVJ;
         }
+        if (cpu->cfg.ext_zfinx && ((ext & (RVF | RVD)) || cpu->cfg.ext_zfh ||
+                                   cpu->cfg.ext_zfhmin)) {
+            error_setg(errp,
+                    "'Zfinx' cannot be supported together with 'F', 'D', 'Zfh',"
+                    " 'Zfhmin'");
+            return;
+        }
 
         set_misa(env, env->misa_mxl, ext);
     }
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 55635d68d5..be46840541 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -341,8 +341,12 @@ struct RISCVCPU {
         bool ext_counters;
         bool ext_ifencei;
         bool ext_icsr;
+        bool ext_zdinx;
         bool ext_zfh;
         bool ext_zfhmin;
+        bool ext_zfinx;
+        bool ext_zhinx;
+        bool ext_zhinxmin;
         bool ext_zve32f;
         bool ext_zve64f;
 
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index f0bbe80875..1484586fe7 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -77,8 +77,12 @@ typedef struct DisasContext {
     RISCVMXL ol;
     bool virt_enabled;
     bool ext_ifencei;
+    bool ext_zdinx;
     bool ext_zfh;
     bool ext_zfhmin;
+    bool ext_zfinx;
+    bool ext_zhinx;
+    bool ext_zhinxmin;
     bool ext_zve32f;
     bool ext_zve64f;
     bool hlsx;
@@ -909,8 +913,12 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     ctx->misa_ext = env->misa_ext;
     ctx->frm = -1;  /* unknown rounding mode */
     ctx->ext_ifencei = cpu->cfg.ext_ifencei;
+    ctx->ext_zdinx = cpu->cfg.ext_zdinx;
     ctx->ext_zfh = cpu->cfg.ext_zfh;
     ctx->ext_zfhmin = cpu->cfg.ext_zfhmin;
+    ctx->ext_zfinx = cpu->cfg.ext_zfinx;
+    ctx->ext_zhinx = cpu->cfg.ext_zhinx;
+    ctx->ext_zhinxmin = cpu->cfg.ext_zhinxmin;
     ctx->ext_zve32f = cpu->cfg.ext_zve32f;
     ctx->ext_zve64f = cpu->cfg.ext_zve64f;
     ctx->vlen = cpu->cfg.vlen;
-- 
2.17.1