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

Use ARRAY_SIZE() to iterate over ARMCPUInfo[].

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

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200504172448.9402-4-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 12 insertions, 12 deletions

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 13959cb..b4d73dd 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2739,7 +2739,6 @@ static const ARMCPUInfo arm_cpus[] = {
     { .name = "any",         .initfn = arm_max_initfn },
 #endif
 #endif
-    { .name = NULL }
 };
 
 static Property arm_cpu_properties[] = {
@@ -2887,19 +2886,22 @@ static const TypeInfo idau_interface_type_info = {
 
 static void arm_cpu_register_types(void)
 {
-    const ARMCPUInfo *info = arm_cpus;
+    const size_t cpu_count = ARRAY_SIZE(arm_cpus);
 
     type_register_static(&arm_cpu_type_info);
     type_register_static(&idau_interface_type_info);
 
-    while (info->name) {
-        arm_cpu_register(info);
-        info++;
-    }
-
 #ifdef CONFIG_KVM
     type_register_static(&host_arm_cpu_type_info);
 #endif
+
+    if (cpu_count) {
+        size_t i;
+
+        for (i = 0; i < cpu_count; ++i) {
+            arm_cpu_register(&arm_cpus[i]);
+        }
+    }
 }
 
 type_init(arm_cpu_register_types)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index cbaa5ed..f5c49ee 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -734,7 +734,6 @@ 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 bool aarch64_cpu_get_aarch64(Object *obj, Error **errp)
@@ -840,13 +839,12 @@ static const TypeInfo aarch64_cpu_type_info = {
 
 static void aarch64_cpu_register_types(void)
 {
-    const ARMCPUInfo *info = aarch64_cpus;
+    size_t i;
 
     type_register_static(&aarch64_cpu_type_info);
 
-    while (info->name) {
-        aarch64_cpu_register(info);
-        info++;
+    for (i = 0; i < ARRAY_SIZE(aarch64_cpus); ++i) {
+        aarch64_cpu_register(&aarch64_cpus[i]);
     }
 }