Add it_shift

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6547 c046a42c-6fe2-441c-8c8c-71466251a162

Add it_shift
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6547 c046a42c-6fe2-441c-8c8c-71466251a162
blueswir1
1 parent 0a645949
Showing 4 changed files with 12 additions and 7 deletions
hw/mac_nvram.c
hw/ppc_chrp.c
hw/ppc_mac.h
hw/ppc_oldworld.c
@@ -40,6 +40,7 @@ do { printf(&quot;NVR: &quot; fmt , ##args); } while (0)
 struct MacIONVRAMState {
     target_phys_addr_t size;
     int mem_index;
+    unsigned int it_shift;
     uint8_t *data;
 };
@@ -75,7 +76,7 @@ static void macio_nvram_writeb (void *opaque,
 {
     MacIONVRAMState *s = opaque;
-    addr = (addr >> 4) & (s->size - 1);
+    addr = (addr >> s->it_shift) & (s->size - 1);
     s->data[addr] = value;
     NVR_DPRINTF("writeb addr %04x val %x\n", (int)addr, value);
 }
@@ -85,7 +86,7 @@ static uint32_t macio_nvram_readb (void *opaque, target_phys_addr_t addr)
     MacIONVRAMState *s = opaque;
     uint32_t value;
-    addr = (addr >> 4) & (s->size - 1);
+    addr = (addr >> s->it_shift) & (s->size - 1);
     value = s->data[addr];
     NVR_DPRINTF("readb addr %04x val %x\n", (int)addr, value);
@@ -127,13 +128,15 @@ static void macio_nvram_reset(void *opaque)
 {
 }
-MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size)
+MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size,
+                                   unsigned int it_shift)
 {
     MacIONVRAMState *s;
     s = qemu_mallocz(sizeof(MacIONVRAMState));
     s->data = qemu_mallocz(size);
     s->size = size;
+    s->it_shift = it_shift;
     s->mem_index = cpu_register_io_memory(0, nvram_read, nvram_write, s);
     *mem_index = s->mem_index;
@@ -150,7 +153,8 @@ void macio_nvram_map (void *opaque, target_phys_addr_t mem_base)
     MacIONVRAMState *s;
     s = opaque;
-    cpu_register_physical_memory(mem_base, s->size << 4, s->mem_index);
+    cpu_register_physical_memory(mem_base, s->size << s->it_shift,
+                                 s->mem_index);
 }
 /* Set up a system OpenBIOS NVRAM partition */
@@ -328,7 +328,7 @@ static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
         graphic_depth = 15;
 #if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
     /* The NewWorld NVRAM is not located in the MacIO device */
-    nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
+    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
     pmac_format_nvram_partition(nvr, 0x2000);
     macio_nvram_map(nvr, 0xFFF04000);
     nvram.opaque = nvr;
@@ -64,7 +64,8 @@ PCIBus *pci_pmac_init(qemu_irq *pic);
 /* Mac NVRAM */
 typedef struct MacIONVRAMState MacIONVRAMState;
-MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size);
+MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size,
+                                   unsigned int it_shift);
 void macio_nvram_map (void *opaque, target_phys_addr_t mem_base);
 void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
 uint32_t macio_nvram_read (void *opaque, uint32_t addr);
@@ -357,7 +357,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size, int vga_ram_size,
     adb_kbd_init(&adb_bus);
     adb_mouse_init(&adb_bus);
-    nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
+    nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 4);
     pmac_format_nvram_partition(nvr, 0x2000);
     macio_init(pci_bus, PCI_DEVICE_ID_APPLE_343S1201, 1, pic_mem_index,