Implement --cpu for ARM.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2474 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 29 insertions, 2 deletions

diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 3208c138b5..b3b37ebbe5 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -209,7 +209,7 @@ static inline int arm_feature(CPUARMState *env, int feature)
     return (env->features & (1u << feature)) != 0;
 }
 
-void cpu_arm_set_model(CPUARMState *env, uint32_t id);
+void cpu_arm_set_model(CPUARMState *env, const char *name);
 
 #define ARM_CPUID_ARM1026 0x4106a262
 #define ARM_CPUID_ARM926  0x41069265
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 5b4cd13933..093acc9af4 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -36,8 +36,35 @@ static inline void set_feature(CPUARMState *env, int feature)
     env->features |= 1u << feature;
 }
 
-void cpu_arm_set_model(CPUARMState *env, uint32_t id)
+struct arm_cpu_t {
+    uint32_t id;
+    const char *name;
+};
+
+static const struct arm_cpu_t arm_cpu_names[] = {
+    { ARM_CPUID_ARM926, "arm926"},
+    { ARM_CPUID_ARM1026, "arm1026"},
+    { 0, NULL}
+};
+
+void cpu_arm_set_model(CPUARMState *env, const char *name)
 {
+    int i;
+    uint32_t id;
+
+    id = 0;
+    i = 0;
+    for (i = 0; arm_cpu_names[i].name; i++) {
+        if (strcmp(name, arm_cpu_names[i].name) == 0) {
+            id = arm_cpu_names[i].id;
+            break;
+        }
+    }
+    if (!id) {
+        cpu_abort(env, "Unknown CPU '%s'", name);
+        return;
+    }
+
     env->cp15.c0_cpuid = id;
     switch (id) {
     case ARM_CPUID_ARM926: