s390x: do not use ram_size global

Use the machine properties instead.

Cc: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/s390x/ipl.c

@@ -112,6 +112,7 @@ static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
 
 static void s390_ipl_realize(DeviceState *dev, Error **errp)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
     S390IPLState *ipl = S390_IPL(dev);
     uint32_t *ipl_psw;
     uint64_t pentry;
@@ -126,7 +127,7 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp)
      * even if an external kernel has been defined.
      */
     if (!ipl->kernel || ipl->enforce_bios) {
-        uint64_t fwbase = (MIN(ram_size, 0x80000000U) - 0x200000) & ~0xffffUL;
+        uint64_t fwbase = (MIN(ms->ram_size, 0x80000000U) - 0x200000) & ~0xffffUL;
 
         bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->firmware);
         if (bios_filename == NULL) {
@@ -163,7 +164,7 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp)
                                &pentry, NULL,
                                NULL, NULL, 1, EM_S390, 0, 0);
         if (kernel_size < 0) {
-            kernel_size = load_image_targphys(ipl->kernel, 0, ram_size);
+            kernel_size = load_image_targphys(ipl->kernel, 0, ms->ram_size);
             if (kernel_size < 0) {
                 error_setg(errp, "could not load kernel '%s'", ipl->kernel);
                 return;
@@ -210,7 +211,7 @@ static void s390_ipl_realize(DeviceState *dev, Error **errp)
                 initrd_offset += 0x100000;
             }
             initrd_size = load_image_targphys(ipl->initrd, initrd_offset,
-                                              ram_size - initrd_offset);
+                                              ms->ram_size - initrd_offset);
             if (initrd_size == -1) {
                 error_setg(errp, "could not load initrd '%s'", ipl->initrd);
                 return;
@@ -448,6 +449,7 @@ int s390_ipl_set_loadparm(uint8_t *loadparm)
 
 static int load_netboot_image(Error **errp)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
     S390IPLState *ipl = get_ipl_device();
     char *netboot_filename;
     MemoryRegion *sysmem =  get_system_memory();
@@ -480,7 +482,7 @@ static int load_netboot_image(Error **errp)
                             false);
 
     if (img_size < 0) {
-        img_size = load_image_size(netboot_filename, ram_ptr, ram_size);
+        img_size = load_image_size(netboot_filename, ram_ptr, ms->ram_size);
         ipl->start_addr = KERN_IMAGE_START;
     }
 

hw/s390x/s390-skeys.c

@@ -109,7 +109,8 @@ void qmp_dump_skeys(const char *filename, Error **errp)
 {
     S390SKeysState *ss = s390_get_skeys_device();
     S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss);
-    const uint64_t total_count = ram_size / TARGET_PAGE_SIZE;
+    MachineState *ms = MACHINE(qdev_get_machine());
+    const uint64_t total_count = ms->ram_size / TARGET_PAGE_SIZE;
     uint64_t handled_count = 0, cur_count;
     Error *lerr = NULL;
     vaddr cur_gfn = 0;
@@ -256,7 +257,8 @@ static void s390_storage_keys_save(QEMUFile *f, void *opaque)
 {
     S390SKeysState *ss = S390_SKEYS(opaque);
     S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss);
-    uint64_t pages_left = ram_size / TARGET_PAGE_SIZE;
+    MachineState *ms = MACHINE(qdev_get_machine());
+    uint64_t pages_left = ms->ram_size / TARGET_PAGE_SIZE;
     uint64_t read_count, eos = S390_SKEYS_SAVE_FLAG_EOS;
     vaddr cur_gfn = 0;
     int error = 0;

hw/s390x/s390-virtio-ccw.c

@@ -17,6 +17,7 @@
 #include "hw/boards.h"
 #include "exec/address-spaces.h"
 #include "exec/ram_addr.h"
+#include "hw/boards.h"
 #include "hw/s390x/s390-virtio-hcall.h"
 #include "hw/s390x/sclp.h"
 #include "hw/s390x/s390_flic.h"
@@ -142,8 +143,9 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 {
     uint64_t mem = args[0];
+    MachineState *ms = MACHINE(qdev_get_machine());
 
-    if (mem < ram_size) {
+    if (mem < ms->ram_size) {
         /* Early printk */
         return 0;
     }

target/s390x/excp_helper.c

@@ -156,9 +156,10 @@ bool s390_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
         !address_space_access_valid(&address_space_memory, raddr,
                                     TARGET_PAGE_SIZE, access_type,
                                     MEMTXATTRS_UNSPECIFIED)) {
+        MachineState *ms = MACHINE(qdev_get_machine());
         qemu_log_mask(CPU_LOG_MMU,
                       "%s: raddr %" PRIx64 " > ram_size %" PRIx64 "\n",
-                      __func__, (uint64_t)raddr, (uint64_t)ram_size);
+                      __func__, (uint64_t)raddr, (uint64_t)ms->ram_size);
         excp = PGM_ADDRESSING;
         tec = 0; /* unused */
     }

target/s390x/mem_helper.c

@@ -31,6 +31,7 @@
 
 #if !defined(CONFIG_USER_ONLY)
 #include "hw/s390x/storage-keys.h"
+#include "hw/boards.h"
 #endif
 
 /*****************************************************************************/
@@ -2075,12 +2076,13 @@ uint32_t HELPER(tprot)(CPUS390XState *env, uint64_t a1, uint64_t a2)
 /* insert storage key extended */
 uint64_t HELPER(iske)(CPUS390XState *env, uint64_t r2)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
     static S390SKeysState *ss;
     static S390SKeysClass *skeyclass;
     uint64_t addr = wrap_address(env, r2);
     uint8_t key;
 
-    if (addr > ram_size) {
+    if (addr > ms->ram_size) {
         return 0;
     }
 
@@ -2098,12 +2100,13 @@ uint64_t HELPER(iske)(CPUS390XState *env, uint64_t r2)
 /* set storage key extended */
 void HELPER(sske)(CPUS390XState *env, uint64_t r1, uint64_t r2)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
     static S390SKeysState *ss;
     static S390SKeysClass *skeyclass;
     uint64_t addr = wrap_address(env, r2);
     uint8_t key;
 
-    if (addr > ram_size) {
+    if (addr > ms->ram_size) {
         return;
     }
 
@@ -2124,11 +2127,12 @@ void HELPER(sske)(CPUS390XState *env, uint64_t r1, uint64_t r2)
 /* reset reference bit extended */
 uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
     static S390SKeysState *ss;
     static S390SKeysClass *skeyclass;
     uint8_t re, key;
 
-    if (r2 > ram_size) {
+    if (r2 > ms->ram_size) {
         return 0;
     }
 

target/s390x/mmu_helper.c

@@ -27,6 +27,7 @@
 #include "trace.h"
 #include "hw/hw.h"
 #include "hw/s390x/storage-keys.h"
+#include "hw/boards.h"
 
 /* Fetch/store bits in the translation exception code: */
 #define FS_READ  0x800
@@ -292,10 +293,11 @@ static void mmu_handle_skey(target_ulong addr, int rw, int *flags)
 {
     static S390SKeysClass *skeyclass;
     static S390SKeysState *ss;
+    MachineState *ms = MACHINE(qdev_get_machine());
     uint8_t key;
     int rc;
 
-    if (unlikely(addr >= ram_size)) {
+    if (unlikely(addr >= ms->ram_size)) {
         return;
     }