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target/arm/cpu: Use ARRAY_SIZE() to iterate over ARMCPUInfo[]

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Since on the aarch64-linux-user build, arm_cpus[] is empty, add
the cpu_count variable and only iterate when it is non-zero.

Backports commit 92b6a659388ab3735e5fbb17ac486923b681f57f from qemu
This commit is contained in:
Philippe Mathieu-Daudé 2020-05-11 16:58:19 -04:00 committed by Lioncash
parent 4016b667f3
commit cfe94f63f3
2 changed files with 10 additions and 9 deletions
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12
qemu/target/arm/cpu.c
View file

@ -1982,7 +1982,6 @@ static const ARMCPUInfo arm_cpus[] = {
{ .name = "any", .initfn = arm_max_initfn },
#endif
#endif
{ .name = NULL }
};
static void arm_cpu_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
@ -2043,7 +2042,7 @@ void arm_cpu_register(struct uc_struct *uc, const ARMCPUInfo *info)
void arm_cpu_register_types(void *opaque)
{
const ARMCPUInfo *info = arm_cpus;
const size_t cpu_count = ARRAY_SIZE(arm_cpus);
TypeInfo arm_cpu_type_info = {0};
arm_cpu_type_info.name = TYPE_ARM_CPU,
@ -2059,8 +2058,11 @@ void arm_cpu_register_types(void *opaque)
type_register(opaque, &arm_cpu_type_info);
while (info->name) {
arm_cpu_register(opaque, info);
info++;
if (cpu_count) {
size_t i;
for (i = 0; i < cpu_count; ++i) {
arm_cpu_register(opaque, &arm_cpus[i]);
}
}
}

7
qemu/target/arm/cpu64.c
View file

@ -386,7 +386,6 @@ static const ARMCPUInfo aarch64_cpus[] = {
{ .name = "cortex-a53", .initfn = aarch64_a53_initfn },
{ .name = "cortex-a72", .initfn = aarch64_a72_initfn },
{ .name = "max", .initfn = aarch64_max_initfn },
{ .name = NULL }
};
static QEMU_UNUSED_FUNC bool aarch64_cpu_get_aarch64(Object *obj, Error **errp)
@ -430,6 +429,7 @@ void aarch64_cpu_register(struct uc_struct *uc, const ARMCPUInfo *info)
void aarch64_cpu_register_types(void *opaque)
{
const ARMCPUInfo *info = aarch64_cpus;
size_t i;
static TypeInfo aarch64_cpu_type_info = { 0 };
aarch64_cpu_type_info.name = TYPE_AARCH64_CPU;
@ -443,8 +443,7 @@ void aarch64_cpu_register_types(void *opaque)
type_register_static(opaque, &aarch64_cpu_type_info);
while (info->name) {
aarch64_cpu_register(opaque, info);
info++;
for (i = 0; i < ARRAY_SIZE(aarch64_cpus); ++i) {
aarch64_cpu_register(opaque, &aarch64_cpus[i]);
}
}