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hw/mips/cps: Set the vCPU 'cpu-big-endian' property

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Have the CPS expose a 'cpu-big-endian' property so it can
set it to the vCPUs it creates.
Note, since the number of vCPUs created is dynamic, we can
not use QOM aliases.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241010215015.44326-16-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-09-27 09:24:06 +02:00
parent d70e58958d
commit 805659a895
3 changed files with 7 additions and 0 deletions
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4
hw/mips/cps.c
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@ -77,6 +77,9 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
MIPSCPU *cpu = MIPS_CPU(object_new(s->cpu_type));
CPUMIPSState *env = &cpu->env;
object_property_set_bool(OBJECT(cpu), "big-endian", s->cpu_is_bigendian,
&error_abort);
/* All VPs are halted on reset. Leave powering up to CPC. */
object_property_set_bool(OBJECT(cpu), "start-powered-off", true,
&error_abort);
@ -167,6 +170,7 @@ static Property mips_cps_properties[] = {
DEFINE_PROP_UINT32("num-vp", MIPSCPSState, num_vp, 1),
DEFINE_PROP_UINT32("num-irq", MIPSCPSState, num_irq, 256),
DEFINE_PROP_STRING("cpu-type", MIPSCPSState, cpu_type),
DEFINE_PROP_BOOL("cpu-big-endian", MIPSCPSState, cpu_is_bigendian, false),
DEFINE_PROP_END_OF_LIST()
};

2
hw/mips/malta.c
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@ -1054,6 +1054,8 @@ static void create_cps(MachineState *ms, MaltaState *s,
object_initialize_child(OBJECT(s), "cps", &s->cps, TYPE_MIPS_CPS);
object_property_set_str(OBJECT(&s->cps), "cpu-type", ms->cpu_type,
&error_fatal);
object_property_set_bool(OBJECT(&s->cps), "cpu-big-endian",
TARGET_BIG_ENDIAN, &error_abort);
object_property_set_uint(OBJECT(&s->cps), "num-vp", ms->smp.cpus,
&error_fatal);
qdev_connect_clock_in(DEVICE(&s->cps), "clk-in", s->cpuclk);

1
include/hw/mips/cps.h
View File

@ -38,6 +38,7 @@ struct MIPSCPSState {
uint32_t num_vp;
uint32_t num_irq;
char *cpu_type;
bool cpu_is_bigendian;
MemoryRegion container;
MIPSGCRState gcr;