cpu: refactor cpu_address_space_init()

Normally we create an address space for that CPU and pass that address
space into the function.  Let's just do it inside to unify address space
creations.  It'll simplify my next patch to rename those address spaces.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171123092333.16085-3-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/cpus.c b/cpus.c
index 3740c4db62dfed0f5edba546fb3f5443ed9c710a..83700c1716584cd9720d048c20dec36fea83a1cb 100644 (file)
--- a/cpus.c
+++ b/cpus.c
@@ -1787,11 +1787,8 @@ void qemu_init_vcpu(CPUState *cpu)
         /* If the target cpu hasn't set up any address spaces itself,
          * give it the default one.
          */
-        AddressSpace *as = g_new0(AddressSpace, 1);
-
-        address_space_init(as, cpu->memory, "cpu-memory");
         cpu->num_ases = 1;
-        cpu_address_space_init(cpu, as, 0);
+        cpu_address_space_init(cpu, 0, "cpu-memory", cpu->memory);
     }
 
     if (kvm_enabled()) {

diff --git a/exec.c b/exec.c
index 3e7c57e914c3d2186138ba64ee5e3e93c7a8174b..3ab515e47c9bec18bb4a42842006ddc52a80946c 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -705,9 +705,14 @@ CPUState *qemu_get_cpu(int index)
 }
 
 #if !defined(CONFIG_USER_ONLY)
-void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx)
+void cpu_address_space_init(CPUState *cpu, int asidx,
+                            const char *prefix, MemoryRegion *mr)
 {
     CPUAddressSpace *newas;
+    AddressSpace *as = g_new0(AddressSpace, 1);
+
+    assert(mr);
+    address_space_init(as, mr, prefix);
 
     /* Target code should have set num_ases before calling us */
     assert(asidx < cpu->num_ases);

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 0f51c92adbcffef20ef33c3b1f50d7843f8e0808..b37f7d8d92f085cf689890b2dff4e4e07ca3e491 100644 (file)
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -74,8 +74,9 @@ void cpu_reloading_memory_map(void);
 /**
  * cpu_address_space_init:
  * @cpu: CPU to add this address space to
- * @as: address space to add
  * @asidx: integer index of this address space
+ * @prefix: prefix to be used as name of address space
+ * @mr: the root memory region of address space
  *
  * Add the specified address space to the CPU's cpu_ases list.
  * The address space added with @asidx 0 is the one used for the
@@ -89,7 +90,8 @@ void cpu_reloading_memory_map(void);
  *
  * Note that with KVM only one address space is supported.
  */
-void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx);
+void cpu_address_space_init(CPUState *cpu, int asidx,
+                            const char *prefix, MemoryRegion *mr);
 #endif
 
 #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 7f7a3d1e324ca059c630ab90ce095d4a049c82be..cc1856c32b6be6a084edcc82d5a407d3565fad75 100644 (file)
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -705,9 +705,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
     CPUARMState *env = &cpu->env;
     int pagebits;
     Error *local_err = NULL;
-#ifndef CONFIG_USER_ONLY
-    AddressSpace *as;
-#endif
 
     cpu_exec_realizefn(cs, &local_err);
     if (local_err != NULL) {
@@ -912,21 +909,17 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
 
 #ifndef CONFIG_USER_ONLY
     if (cpu->has_el3 || arm_feature(env, ARM_FEATURE_M_SECURITY)) {
-        as = g_new0(AddressSpace, 1);
-
         cs->num_ases = 2;
 
         if (!cpu->secure_memory) {
             cpu->secure_memory = cs->memory;
         }
-        address_space_init(as, cpu->secure_memory, "cpu-secure-memory");
-        cpu_address_space_init(cs, as, ARMASIdx_S);
+        cpu_address_space_init(cs, ARMASIdx_S, "cpu-secure-memory",
+                               cpu->secure_memory);
     } else {
         cs->num_ases = 1;
     }
-    as = g_new0(AddressSpace, 1);
-    address_space_init(as, cs->memory, "cpu-memory");
-    cpu_address_space_init(cs, as, ARMASIdx_NS);
+    cpu_address_space_init(cs, ARMASIdx_NS, "cpu-memory", cs->memory);
 #endif
 
     qemu_init_vcpu(cs);

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 325b52e325814029d2fa14f02790c45772e6355b..b069eafcc678fcb56fd53aa786a1d1656ca6c9a0 100644 (file)
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -3736,11 +3736,6 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
 
 #ifndef CONFIG_USER_ONLY
     if (tcg_enabled()) {
-        AddressSpace *as_normal = g_new0(AddressSpace, 1);
-        AddressSpace *as_smm = g_new(AddressSpace, 1);
-
-        address_space_init(as_normal, cs->memory, "cpu-memory");
-
         cpu->cpu_as_mem = g_new(MemoryRegion, 1);
         cpu->cpu_as_root = g_new(MemoryRegion, 1);
 
@@ -3755,11 +3750,10 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
                                  get_system_memory(), 0, ~0ull);
         memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0);
         memory_region_set_enabled(cpu->cpu_as_mem, true);
-        address_space_init(as_smm, cpu->cpu_as_root, "CPU");
 
         cs->num_ases = 2;
-        cpu_address_space_init(cs, as_normal, 0);
-        cpu_address_space_init(cs, as_smm, 1);
+        cpu_address_space_init(cs, 0, "cpu-memory", cs->memory);
+        cpu_address_space_init(cs, 1, "cpu-smm", cpu->cpu_as_root);
 
         /* ... SMRAM with higher priority, linked from /machine/smram.  */
         cpu->machine_done.notify = x86_cpu_machine_done;