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authorCorey Wharton <coreyw7@fb.com>2020-03-13 12:34:28 -0700
committerAlistair Francis <alistair.francis@wdc.com>2020-04-29 13:16:37 -0700
commit74dbba9b734b3509dc3682715187339a91fcd3fb (patch)
tree431dde4351e58ac01f460e8196dddc937f49ecba
parente883e9927ae667a2473c4a4ec666df53af1b34d9 (diff)
downloadfocaccia-qemu-74dbba9b734b3509dc3682715187339a91fcd3fb.tar.gz
focaccia-qemu-74dbba9b734b3509dc3682715187339a91fcd3fb.zip
riscv: sifive_e: Support changing CPU type
Allows the CPU to be changed from the default via the -cpu command
line option.

Signed-off-by: Corey Wharton <coreyw7@fb.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200313193429.8035-2-coreyw7@fb.com
Message-Id: <20200313193429.8035-2-coreyw7@fb.com>
[ Changes by AF:
 - Set "cpu-type" from the machine and not SoC
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-rw-r--r--hw/riscv/sifive_e.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c
index 646553a7c3..b53109521e 100644
--- a/hw/riscv/sifive_e.c
+++ b/hw/riscv/sifive_e.c
@@ -123,8 +123,6 @@ static void riscv_sifive_e_soc_init(Object *obj)
     object_initialize_child(obj, "cpus", &s->cpus,
                             sizeof(s->cpus), TYPE_RISCV_HART_ARRAY,
                             &error_abort, NULL);
-    object_property_set_str(OBJECT(&s->cpus), SIFIVE_E_CPU, "cpu-type",
-                            &error_abort);
     object_property_set_int(OBJECT(&s->cpus), ms->smp.cpus, "num-harts",
                             &error_abort);
     sysbus_init_child_obj(obj, "riscv.sifive.e.gpio0",
@@ -141,6 +139,8 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp)
     SiFiveESoCState *s = RISCV_E_SOC(dev);
     MemoryRegion *sys_mem = get_system_memory();
 
+    object_property_set_str(OBJECT(&s->cpus), ms->cpu_type, "cpu-type",
+                            &error_abort);
     object_property_set_bool(OBJECT(&s->cpus), true, "realized",
                             &error_abort);
 
@@ -219,6 +219,7 @@ static void riscv_sifive_e_machine_init(MachineClass *mc)
     mc->desc = "RISC-V Board compatible with SiFive E SDK";
     mc->init = riscv_sifive_e_init;
     mc->max_cpus = 1;
+    mc->default_cpu_type = SIFIVE_E_CPU;
 }
 
 DEFINE_MACHINE("sifive_e", riscv_sifive_e_machine_init)