[PULL 09/14] target/riscv: Add a sifive-e34 cpu type

[Alistair Francis]

From: Corey Wharton <core...@fb.com>

The sifive-e34 cpu type is the same as the sifive-e31 with the
single precision floating-point extension enabled.

Signed-off-by: Corey Wharton <core...@fb.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
Message-id: 20200313193429.8035-3-core...@fb.com
Message-Id: <20200313193429.8035-3-core...@fb.com>
Signed-off-by: Alistair Francis <alistair.fran...@wdc.com>
---
 target/riscv/cpu.c | 10 ++++++++++
 target/riscv/cpu.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 4e578239d3..059d71f2c7 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -164,6 +164,15 @@ static void rv32imacu_nommu_cpu_init(Object *obj)
     set_feature(env, RISCV_FEATURE_PMP);
 }
 
+static void rv32imafcu_nommu_cpu_init(Object *obj)
+{
+    CPURISCVState *env = &RISCV_CPU(obj)->env;
+    set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVC | RVU);
+    set_priv_version(env, PRIV_VERSION_1_10_0);
+    set_resetvec(env, DEFAULT_RSTVEC);
+    set_feature(env, RISCV_FEATURE_PMP);
+}
+
 #elif defined(TARGET_RISCV64)
 
 static void riscv_base64_cpu_init(Object *obj)
@@ -610,6 +619,7 @@ static const TypeInfo riscv_cpu_type_infos[] = {
 #if defined(TARGET_RISCV32)
     DEFINE_CPU(TYPE_RISCV_CPU_BASE32,           riscv_base32_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31,       rv32imacu_nommu_cpu_init),
+    DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34,       rv32imafcu_nommu_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34,       rv32gcsu_priv1_10_0_cpu_init),
     /* Depreacted */
     DEFINE_CPU(TYPE_RISCV_CPU_RV32IMACU_NOMMU,  rv32imacu_nommu_cpu_init),
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 7d21addbab..d0e7f5b9c5 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -36,6 +36,7 @@
 #define TYPE_RISCV_CPU_BASE32           RISCV_CPU_TYPE_NAME("rv32")
 #define TYPE_RISCV_CPU_BASE64           RISCV_CPU_TYPE_NAME("rv64")
 #define TYPE_RISCV_CPU_SIFIVE_E31       RISCV_CPU_TYPE_NAME("sifive-e31")
+#define TYPE_RISCV_CPU_SIFIVE_E34       RISCV_CPU_TYPE_NAME("sifive-e34")
 #define TYPE_RISCV_CPU_SIFIVE_E51       RISCV_CPU_TYPE_NAME("sifive-e51")
 #define TYPE_RISCV_CPU_SIFIVE_U34       RISCV_CPU_TYPE_NAME("sifive-u34")
 #define TYPE_RISCV_CPU_SIFIVE_U54       RISCV_CPU_TYPE_NAME("sifive-u54")
-- 
2.26.2