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cpu: Move CPUClass::virtio_is_big_endian to SysemuCPUOps 

VirtIO devices are only meaningful with system emulation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210517105140.1062037-17-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-05-17 12:51:33 +02:00 committed by Richard Henderson
parent feece4d070
commit da383e0263
5 changed files with 14 additions and 11 deletions
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5
hw/core/cpu-sysemu.c
View File

@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/core/cpu.h"
#include "hw/core/sysemu-cpu-ops.h"
bool cpu_paging_enabled(const CPUState *cpu)
{
@ -126,8 +127,8 @@ 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);
if (cc->sysemu_ops->virtio_is_big_endian) {
return cc->sysemu_ops->virtio_is_big_endian(cpu);
}
return target_words_bigendian();
}

5
include/hw/core/cpu.h
View File

@ -90,10 +90,6 @@ struct SysemuCPUOps;
* @parse_features: Callback to parse command line arguments.
* @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @has_work: Callback for checking if there is work to do.
* @virtio_is_big_endian: Callback to return %true if a CPU which supports
* runtime configurable endianness is currently big-endian. Non-configurable
* CPUs can use the default implementation of this method. This method should
* not be used by any callers other than the pre-1.0 virtio devices.
* @memory_rw_debug: Callback for GDB memory access.
* @dump_state: Callback for dumping state.
* @dump_statistics: Callback for dumping statistics.
@ -152,7 +148,6 @@ struct CPUClass {
int reset_dump_flags;
bool (*has_work)(CPUState *cpu);
bool (*virtio_is_big_endian)(CPUState *cpu);
int (*memory_rw_debug)(CPUState *cpu, vaddr addr,
uint8_t *buf, int len, bool is_write);
void (*dump_state)(CPUState *cpu, FILE *, int flags);

9
include/hw/core/sysemu-cpu-ops.h
View File

@ -16,6 +16,15 @@
* struct SysemuCPUOps: System operations specific to a CPU class
*/
typedef struct SysemuCPUOps {
/**
* @virtio_is_big_endian: Callback to return %true if a CPU which supports
* runtime configurable endianness is currently big-endian.
* Non-configurable CPUs can use the default implementation of this method.
* This method should not be used by any callers other than the pre-1.0
* virtio devices.
*/
bool (*virtio_is_big_endian)(CPUState *cpu);
/**
* @legacy_vmsd: Legacy state for migration.
* Do not use in new targets, use #DeviceClass::vmsd instead.

2
target/arm/cpu.c
View File

@ -1948,6 +1948,7 @@ static gchar *arm_gdb_arch_name(CPUState *cs)
#include "hw/core/sysemu-cpu-ops.h"
static const struct SysemuCPUOps arm_sysemu_ops = {
.virtio_is_big_endian = arm_cpu_virtio_is_big_endian,
.legacy_vmsd = &vmstate_arm_cpu,
};
#endif
@ -1991,7 +1992,6 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
#ifndef CONFIG_USER_ONLY
cc->get_phys_page_attrs_debug = arm_cpu_get_phys_page_attrs_debug;
cc->asidx_from_attrs = arm_asidx_from_attrs;
cc->virtio_is_big_endian = arm_cpu_virtio_is_big_endian;
cc->write_elf64_note = arm_cpu_write_elf64_note;
cc->write_elf32_note = arm_cpu_write_elf32_note;
cc->sysemu_ops = &arm_sysemu_ops;

4
target/ppc/cpu_init.c
View File

@ -9267,6 +9267,7 @@ static Property ppc_cpu_properties[] = {
#include "hw/core/sysemu-cpu-ops.h"
static const struct SysemuCPUOps ppc_sysemu_ops = {
.virtio_is_big_endian = ppc_cpu_is_big_endian,
.legacy_vmsd = &vmstate_ppc_cpu,
};
#endif
@ -9335,9 +9336,6 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
cc->gdb_core_xml_file = "power64-core.xml";
#else
cc->gdb_core_xml_file = "power-core.xml";
#endif
#ifndef CONFIG_USER_ONLY
cc->virtio_is_big_endian = ppc_cpu_is_big_endian;
#endif
cc->disas_set_info = ppc_disas_set_info;