hppa: do not use ram_size global

Use the machine properties instead.

Cc: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/hppa/machine.c

@@ -97,7 +97,7 @@ static FWCfgState *create_fw_cfg(MachineState *ms)
     fw_cfg = fw_cfg_init_mem(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4);
     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus);
     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS);
-    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ram_size);
+    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ms->ram_size);
 
     val = cpu_to_le64(MIN_SEABIOS_HPPA_VERSION);
     fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version",
@@ -288,7 +288,7 @@ static void machine_hppa_init(MachineState *machine)
                (1) Due to sign-extension problems and PDC,
                put the initrd no higher than 1G.
                (2) Reserve 64k for stack.  */
-            initrd_base = MIN(ram_size, 1 * GiB);
+            initrd_base = MIN(machine->ram_size, 1 * GiB);
             initrd_base = initrd_base - 64 * KiB;
             initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK;
 
@@ -316,7 +316,7 @@ static void machine_hppa_init(MachineState *machine)
      * various parameters in registers. After firmware initialization,
      * firmware will start the Linux kernel with ramdisk and cmdline.
      */
-    cpu[0]->env.gr[26] = ram_size;
+    cpu[0]->env.gr[26] = machine->ram_size;
     cpu[0]->env.gr[25] = kernel_entry;
 
     /* tell firmware how many SMP CPUs to present in inventory table */
@@ -342,11 +342,11 @@ static void hppa_machine_reset(MachineState *ms)
     }
 
     /* already initialized by machine_hppa_init()? */
-    if (cpu[0]->env.gr[26] == ram_size) {
+    if (cpu[0]->env.gr[26] == ms->ram_size) {
         return;
     }
 
-    cpu[0]->env.gr[26] = ram_size;
+    cpu[0]->env.gr[26] = ms->ram_size;
     cpu[0]->env.gr[25] = 0; /* no firmware boot menu */
     cpu[0]->env.gr[24] = 'c';
     /* gr22/gr23 unused, no initrd while reboot. */