Implement --cpu for ARM.

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

hw/integratorcp.c

@@ -471,7 +471,7 @@ static void icp_control_init(uint32_t base)
 static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
                      DisplayState *ds, const char **fd_filename, int snapshot,
                      const char *kernel_filename, const char *kernel_cmdline,
-                     const char *initrd_filename, uint32_t cpuid)
+                     const char *initrd_filename, const char *cpu_model)
 {
     CPUState *env;
     uint32_t bios_offset;
@@ -479,7 +479,9 @@ static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
     void *cpu_pic;
 
     env = cpu_init();
-    cpu_arm_set_model(env, cpuid);
+    if (!cpu_model)
+        cpu_model = "arm926";
+    cpu_arm_set_model(env, cpu_model);
     bios_offset = ram_size + vga_ram_size;
     /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash.  */
     /* ??? RAM shoud repeat to fill physical memory space.  */
@@ -513,34 +515,8 @@ static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
                     initrd_filename, 0x113);
 }
 
-static void integratorcp926_init(int ram_size, int vga_ram_size,
-    int boot_device, DisplayState *ds, const char **fd_filename, int snapshot,
-    const char *kernel_filename, const char *kernel_cmdline,
-    const char *initrd_filename, const char *cpu_model)
-{
-    integratorcp_init(ram_size, vga_ram_size, boot_device, ds, fd_filename,
-                      snapshot, kernel_filename, kernel_cmdline,
-                      initrd_filename, ARM_CPUID_ARM926);
-}
-
-static void integratorcp1026_init(int ram_size, int vga_ram_size,
-    int boot_device, DisplayState *ds, const char **fd_filename, int snapshot,
-    const char *kernel_filename, const char *kernel_cmdline,
-    const char *initrd_filename, const char *cpu_model)
-{
-    integratorcp_init(ram_size, vga_ram_size, boot_device, ds, fd_filename,
-                      snapshot, kernel_filename, kernel_cmdline,
-                      initrd_filename, ARM_CPUID_ARM1026);
-}
-
-QEMUMachine integratorcp926_machine = {
-    "integratorcp926",
+QEMUMachine integratorcp_machine = {
+    "integratorcp",
     "ARM Integrator/CP (ARM926EJ-S)",
-    integratorcp926_init,
-};
-
-QEMUMachine integratorcp1026_machine = {
-    "integratorcp1026",
-    "ARM Integrator/CP (ARM1026EJ-S)",
-    integratorcp1026_init,
+    integratorcp_init,
 };

hw/realview.c

@@ -26,8 +26,9 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device,
     int done_smc = 0;
 
     env = cpu_init();
-    cpu_arm_set_model(env, ARM_CPUID_ARM926);
-    //cpu_arm_set_model(env, ARM_CPUID_ARM11MPCORE);
+    if (!cpu_model)
+        cpu_model = "arm926";
+    cpu_arm_set_model(env, cpu_model);
     /* ??? RAM shoud repeat to fill physical memory space.  */
     /* SDRAM at address zero.  */
     cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);

hw/versatilepb.c

@@ -154,7 +154,8 @@ static vpb_sic_state *vpb_sic_init(uint32_t base, void *parent, int irq)
 static void versatile_init(int ram_size, int vga_ram_size, int boot_device,
                      DisplayState *ds, const char **fd_filename, int snapshot,
                      const char *kernel_filename, const char *kernel_cmdline,
-                     const char *initrd_filename, int board_id)
+                     const char *initrd_filename, const char *cpu_model,
+                     int board_id)
 {
     CPUState *env;
     void *pic;
@@ -166,7 +167,9 @@ static void versatile_init(int ram_size, int vga_ram_size, int boot_device,
     int done_smc = 0;
 
     env = cpu_init();
-    cpu_arm_set_model(env, ARM_CPUID_ARM926);
+    if (!cpu_model)
+        cpu_model = "arm926";
+    cpu_arm_set_model(env, cpu_model);
     /* ??? RAM shoud repeat to fill physical memory space.  */
     /* SDRAM at address zero.  */
     cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
@@ -262,7 +265,7 @@ static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
     versatile_init(ram_size, vga_ram_size, boot_device,
                    ds, fd_filename, snapshot,
                    kernel_filename, kernel_cmdline,
-                   initrd_filename, 0x183);
+                   initrd_filename, cpu_model, 0x183);
 }
 
 static void vab_init(int ram_size, int vga_ram_size, int boot_device,
@@ -273,7 +276,7 @@ static void vab_init(int ram_size, int vga_ram_size, int boot_device,
     versatile_init(ram_size, vga_ram_size, boot_device,
                    ds, fd_filename, snapshot,
                    kernel_filename, kernel_cmdline,
-                   initrd_filename, 0x25e);
+                   initrd_filename, cpu_model, 0x25e);
 }
 
 QEMUMachine versatilepb_machine = {

linux-user/main.c

@@ -1756,7 +1756,7 @@ int main(int argc, char **argv)
 #elif defined(TARGET_ARM)
     {
         int i;
-        cpu_arm_set_model(env, ARM_CPUID_ARM1026);
+        cpu_arm_set_model(env, "arm926");
         cpsr_write(env, regs->uregs[16], 0xffffffff);
         for(i = 0; i < 16; i++) {
             env->regs[i] = regs->uregs[i];

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

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:

vl.c

@@ -6710,8 +6710,7 @@ void register_machines(void)
     qemu_register_machine(&sun4m_machine);
 #endif
 #elif defined(TARGET_ARM)
-    qemu_register_machine(&integratorcp926_machine);
-    qemu_register_machine(&integratorcp1026_machine);
+    qemu_register_machine(&integratorcp_machine);
     qemu_register_machine(&versatilepb_machine);
     qemu_register_machine(&versatileab_machine);
     qemu_register_machine(&realview_machine);

vl.h

@@ -1304,8 +1304,7 @@ void lsi_scsi_attach(void *opaque, BlockDriverState *bd, int id);
 void *lsi_scsi_init(PCIBus *bus, int devfn);
 
 /* integratorcp.c */
-extern QEMUMachine integratorcp926_machine;
-extern QEMUMachine integratorcp1026_machine;
+extern QEMUMachine integratorcp_machine;
 
 /* versatilepb.c */
 extern QEMUMachine versatilepb_machine;