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Diffstat (limited to 'target/riscv/cpu.c')
-rw-r--r--target/riscv/cpu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 6fe176e483..cc75ca7667 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -76,6 +76,7 @@ static const struct isa_ext_data isa_edata_arr[] = {
     ISA_EXT_DATA_ENTRY(zicsr, true, PRIV_VERSION_1_10_0, ext_icsr),
     ISA_EXT_DATA_ENTRY(zifencei, true, PRIV_VERSION_1_10_0, ext_ifencei),
     ISA_EXT_DATA_ENTRY(zihintpause, true, PRIV_VERSION_1_10_0, ext_zihintpause),
+    ISA_EXT_DATA_ENTRY(zawrs, true, PRIV_VERSION_1_12_0, ext_zawrs),
     ISA_EXT_DATA_ENTRY(zfh, true, PRIV_VERSION_1_12_0, ext_zfh),
     ISA_EXT_DATA_ENTRY(zfhmin, true, PRIV_VERSION_1_12_0, ext_zfhmin),
     ISA_EXT_DATA_ENTRY(zfinx, true, PRIV_VERSION_1_12_0, ext_zfinx),
@@ -382,6 +383,10 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
             CSR_MHARTID,
             CSR_MSTATUS,
             CSR_MSTATUSH,
+            /*
+             * CSR_SSTATUS is intentionally omitted here as its value
+             * can be figured out by looking at CSR_MSTATUS
+             */
             CSR_HSTATUS,
             CSR_VSSTATUS,
             CSR_MIP,
@@ -762,6 +767,11 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
             return;
         }
 
+        if ((cpu->cfg.ext_zawrs) && !cpu->cfg.ext_a) {
+            error_setg(errp, "Zawrs extension requires A extension");
+            return;
+        }
+
         if ((cpu->cfg.ext_zfh || cpu->cfg.ext_zfhmin) && !cpu->cfg.ext_f) {
             error_setg(errp, "Zfh/Zfhmin extensions require F extension");
             return;
@@ -1017,6 +1027,7 @@ static Property riscv_cpu_extensions[] = {
     DEFINE_PROP_BOOL("Zifencei", RISCVCPU, cfg.ext_ifencei, true),
     DEFINE_PROP_BOOL("Zicsr", RISCVCPU, cfg.ext_icsr, true),
     DEFINE_PROP_BOOL("Zihintpause", RISCVCPU, cfg.ext_zihintpause, true),
+    DEFINE_PROP_BOOL("Zawrs", RISCVCPU, cfg.ext_zawrs, true),
     DEFINE_PROP_BOOL("Zfh", RISCVCPU, cfg.ext_zfh, false),
     DEFINE_PROP_BOOL("Zfhmin", RISCVCPU, cfg.ext_zfhmin, false),
     DEFINE_PROP_BOOL("Zve32f", RISCVCPU, cfg.ext_zve32f, false),