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cpu: Introduce cpu_virtio_is_big_endian()

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Introduce the cpu_virtio_is_big_endian() generic helper to avoid
calling CPUClass internal virtio_is_big_endian() one.

Similarly to commit bf7663c4bd ("cpu: introduce
CPUClass::virtio_is_big_endian()"), we keep 'virtio' in the method
name to hint this handler shouldn't be called anywhere but from the
virtio code.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210517105140.1062037-8-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-05-17 12:51:24 +02:00 • committed by Richard Henderson
parent a41d3aae52
commit cdba7e2f49
4 changed files with 20 additions and 9 deletions
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6
hw/core/cpu-common.c
View file

@ -185,11 +185,6 @@ static int cpu_common_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg)
return 0;
}
static bool cpu_common_virtio_is_big_endian(CPUState *cpu)
{
return target_words_bigendian();
}
void cpu_dump_state(CPUState *cpu, FILE *f, int flags)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
@ -388,7 +383,6 @@ static void cpu_class_init(ObjectClass *klass, void *data)
k->write_elf64_note = cpu_common_write_elf64_note;
k->gdb_read_register = cpu_common_gdb_read_register;
k->gdb_write_register = cpu_common_gdb_write_register;
k->virtio_is_big_endian = cpu_common_virtio_is_big_endian;
set_bit(DEVICE_CATEGORY_CPU, dc->categories);
dc->realize = cpu_common_realizefn;
dc->unrealize = cpu_common_unrealizefn;

10
hw/core/cpu-sysemu.c
View file

@ -54,6 +54,16 @@ int cpu_asidx_from_attrs(CPUState *cpu, MemTxAttrs attrs)
return ret;
}
bool cpu_virtio_is_big_endian(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->virtio_is_big_endian) {
return cc->virtio_is_big_endian(cpu);
}
return target_words_bigendian();
}
GuestPanicInformation *cpu_get_crash_info(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);