mac_oldworld: Drop some more variables

Drop some more local variables additionally to commit b8df325 to
match clean ups done to mac_newwold in previous patch.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <1b9a448431d9b1198432151af0511316cfc20d21.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

hw/ppc/mac_oldworld.c

@@ -80,14 +80,13 @@ static void ppc_heathrow_reset(void *opaque)
 
 static void ppc_heathrow_init(MachineState *machine)
 {
-    ram_addr_t ram_size = machine->ram_size;
     const char *bios_name = machine->firmware ?: PROM_FILENAME;
-    const char *boot_device = machine->boot_config.order;
     PowerPCCPU *cpu = NULL;
     CPUPPCState *env = NULL;
     char *filename;
-    int i;
+    int i, bios_size;
     MemoryRegion *bios = g_new(MemoryRegion, 1);
+    uint64_t bios_addr;
     uint32_t kernel_base, initrd_base, cmdline_base = 0;
     int32_t kernel_size, initrd_size;
     PCIBus *pci_bus;
@@ -97,16 +96,13 @@ static void ppc_heathrow_init(MachineState *machine)
     SysBusDevice *s;
     DeviceState *dev, *pic_dev, *grackle_dev;
     BusState *adb_bus;
-    uint64_t bios_addr;
-    int bios_size;
-    unsigned int smp_cpus = machine->smp.cpus;
     uint16_t ppc_boot_device;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     void *fw_cfg;
     uint64_t tbfreq;
 
     /* init CPUs */
-    for (i = 0; i < smp_cpus; i++) {
+    for (i = 0; i < machine->smp.cpus; i++) {
         cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
         env = &cpu->env;
 
@@ -116,9 +112,9 @@ static void ppc_heathrow_init(MachineState *machine)
     }
 
     /* allocate RAM */
-    if (ram_size > 2047 * MiB) {
+    if (machine->ram_size > 2047 * MiB) {
         error_report("Too much memory for this machine: %" PRId64 " MB, "
-                     "maximum 2047 MB", ram_size / MiB);
+                     "maximum 2047 MB", machine->ram_size / MiB);
         exit(1);
     }
 
@@ -165,12 +161,12 @@ static void ppc_heathrow_init(MachineState *machine)
                                NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0);
         if (kernel_size < 0)
             kernel_size = load_aout(machine->kernel_filename, kernel_base,
-                                    ram_size - kernel_base, bswap_needed,
-                                    TARGET_PAGE_SIZE);
+                                    machine->ram_size - kernel_base,
+                                    bswap_needed, TARGET_PAGE_SIZE);
         if (kernel_size < 0)
             kernel_size = load_image_targphys(machine->kernel_filename,
                                               kernel_base,
-                                              ram_size - kernel_base);
+                                              machine->ram_size - kernel_base);
         if (kernel_size < 0) {
             error_report("could not load kernel '%s'",
                          machine->kernel_filename);
@@ -182,7 +178,7 @@ static void ppc_heathrow_init(MachineState *machine)
                                             KERNEL_GAP);
             initrd_size = load_image_targphys(machine->initrd_filename,
                                               initrd_base,
-                                              ram_size - initrd_base);
+                                              machine->ram_size - initrd_base);
             if (initrd_size < 0) {
                 error_report("could not load initial ram disk '%s'",
                              machine->initrd_filename);
@@ -201,19 +197,22 @@ static void ppc_heathrow_init(MachineState *machine)
         initrd_base = 0;
         initrd_size = 0;
         ppc_boot_device = '\0';
-        for (i = 0; boot_device[i] != '\0'; i++) {
-            /* TOFIX: for now, the second IDE channel is not properly
+        for (i = 0; machine->boot_config.order[i] != '\0'; i++) {
+            /*
+             * TOFIX: for now, the second IDE channel is not properly
              *        used by OHW. The Mac floppy disk are not emulated.
              *        For now, OHW cannot boot from the network.
              */
 #if 0
-            if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
-                ppc_boot_device = boot_device[i];
+            if (machine->boot_config.order[i] >= 'a' &&
+                machine->boot_config.order[i] <= 'f') {
+                ppc_boot_device = machine->boot_config.order[i];
                 break;
             }
 #else
-            if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
-                ppc_boot_device = boot_device[i];
+            if (machine->boot_config.order[i] >= 'c' &&
+                machine->boot_config.order[i] <= 'd') {
+                ppc_boot_device = machine->boot_config.order[i];
                 break;
             }
 #endif
@@ -266,7 +265,7 @@ static void ppc_heathrow_init(MachineState *machine)
     }
 
     /* Connect the heathrow PIC outputs to the 6xx bus */
-    for (i = 0; i < smp_cpus; i++) {
+    for (i = 0; i < machine->smp.cpus; i++) {
         switch (PPC_INPUT(env)) {
         case PPC_FLAGS_INPUT_6xx:
             /* XXX: we register only 1 output pin for heathrow PIC */
@@ -323,9 +322,9 @@ static void ppc_heathrow_init(MachineState *machine)
     sysbus_mmio_map(s, 0, CFG_ADDR);
     sysbus_mmio_map(s, 1, CFG_ADDR + 2);
 
-    fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)machine->smp.cpus);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)machine->smp.max_cpus);
-    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
+    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW);
     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
     fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);