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-rw-r--r--exec.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/exec.c b/exec.c
index f34d55698b..8bc3288105 100644
--- a/exec.c
+++ b/exec.c
@@ -538,25 +538,29 @@ CPUState *qemu_get_cpu(int index)
#if !defined(CONFIG_USER_ONLY)
void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx)
{
+ CPUAddressSpace *newas;
+
+ /* Target code should have set num_ases before calling us */
+ assert(asidx < cpu->num_ases);
+
if (asidx == 0) {
/* address space 0 gets the convenience alias */
cpu->as = as;
}
- /* We only support one address space per cpu at the moment. */
- assert(cpu->as == as);
+ /* KVM cannot currently support multiple address spaces. */
+ assert(asidx == 0 || !kvm_enabled());
- if (cpu->cpu_ases) {
- /* We've already registered the listener for our only AS */
- return;
+ if (!cpu->cpu_ases) {
+ cpu->cpu_ases = g_new0(CPUAddressSpace, cpu->num_ases);
}
- cpu->cpu_ases = g_new0(CPUAddressSpace, 1);
- cpu->cpu_ases[0].cpu = cpu;
- cpu->cpu_ases[0].as = as;
+ newas = &cpu->cpu_ases[asidx];
+ newas->cpu = cpu;
+ newas->as = as;
if (tcg_enabled()) {
- cpu->cpu_ases[0].tcg_as_listener.commit = tcg_commit;
- memory_listener_register(&cpu->cpu_ases[0].tcg_as_listener, as);
+ newas->tcg_as_listener.commit = tcg_commit;
+ memory_listener_register(&newas->tcg_as_listener, as);
}
}
#endif
@@ -613,6 +617,7 @@ void cpu_exec_init(CPUState *cpu, Error **errp)
Error *local_err = NULL;
cpu->as = NULL;
+ cpu->num_ases = 0;
#ifndef CONFIG_USER_ONLY
cpu->thread_id = qemu_get_thread_id();