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[PULL,08/14] riscv: sifive_e: Support changing CPU type

Message ID 20200429182856.2588202-9-alistair.francis@wdc.com
State New
Headers show
Series RISC-V Patch Queue for 5.1 | expand

Commit Message

Alistair Francis April 29, 2020, 6:28 p.m. UTC 
From: Corey Wharton <coreyw7@fb.com>

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>
---
 hw/riscv/sifive_e.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

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)