Fix PowerMac NVRAM device.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3521 c046a42c-6fe2-441c-8c8c-71466251a162

Fix PowerMac NVRAM device.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3521 c046a42c-6fe2-441c-8c8c-71466251a162
j_mayer
1 parent f3e3285d
Showing 5 changed files with 33 additions and 16 deletions
hw/mac_nvram.c
hw/macio.c
hw/ppc_chrp.c
hw/ppc_mac.h
hw/ppc_oldworld.c
@@ -26,6 +26,9 @@
 #include "ppc_mac.h"
 struct MacIONVRAMState {
+    target_phys_addr_t mem_base;
+    target_phys_addr_t size;
+    int mem_index;
     uint8_t data[0x2000];
 };
@@ -58,6 +61,8 @@ static void macio_nvram_writeb (void *opaque,
                                 target_phys_addr_t addr, uint32_t value)
 {
     MacIONVRAMState *s = opaque;
+
+    addr -= s->mem_base;
     addr = (addr >> 4) & 0x1fff;
     s->data[addr] = value;
     //    printf("macio_nvram_writeb %04x = %02x\n", addr, value);
@@ -68,6 +73,7 @@ static uint32_t macio_nvram_readb (void *opaque, target_phys_addr_t addr)
     MacIONVRAMState *s = opaque;
     uint32_t value;
+    addr -= s->mem_base;
     addr = (addr >> 4) & 0x1fff;
     value = s->data[addr];
     //    printf("macio_nvram_readb %04x = %02x\n", addr, value);
@@ -87,17 +93,29 @@ static CPUReadMemoryFunc *nvram_read[] = {
     &macio_nvram_readb,
 };
-MacIONVRAMState *macio_nvram_init (int *mem_index)
+MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size)
 {
     MacIONVRAMState *s;
+
     s = qemu_mallocz(sizeof(MacIONVRAMState));
     if (!s)
         return NULL;
-    *mem_index = cpu_register_io_memory(0, nvram_read, nvram_write, s);
+    s->size = size;
+    s->mem_index = cpu_register_io_memory(0, nvram_read, nvram_write, s);
+    *mem_index = s->mem_index;
     return s;
 }
+void macio_nvram_map (void *opaque, target_phys_addr_t mem_base)
+{
+    MacIONVRAMState *s;
+
+    s = opaque;
+    s->mem_base = mem_base;
+    cpu_register_physical_memory(mem_base, s->size, s->mem_index);
+}
+
 static uint8_t nvram_chksum (const uint8_t *buf, int n)
 {
     int sum, i;
@@ -31,7 +31,7 @@ struct macio_state_t {
     int pic_mem_index;
     int dbdma_mem_index;
     int cuda_mem_index;
-    int nvram_mem_index;
+    void *nvram;
     int nb_ide;
     int ide_mem_index[4];
 };
@@ -68,14 +68,12 @@ static void macio_map (PCIDevice *pci_dev, int region_num,
                                          macio_state->ide_mem_index[i]);
         }
     }
-    if (macio_state->nvram_mem_index >= 0) {
-        cpu_register_physical_memory(addr + 0x60000, 0x20000,
-                                     macio_state->nvram_mem_index);
-    }
+    if (macio_state->nvram != NULL)
+        macio_nvram_map(macio_state->nvram, addr + 0x60000);
 }
 void macio_init (PCIBus *bus, int device_id, int is_oldworld, int pic_mem_index,
-                 int dbdma_mem_index, int cuda_mem_index, int nvram_mem_index,
+                 int dbdma_mem_index, int cuda_mem_index, void *nvram,
                  int nb_ide, int *ide_mem_index)
 {
     PCIDevice *d;
@@ -90,7 +88,7 @@ void macio_init (PCIBus *bus, int device_id, int is_oldworld, int pic_mem_index,
     macio_state->pic_mem_index = pic_mem_index;
     macio_state->dbdma_mem_index = dbdma_mem_index;
     macio_state->cuda_mem_index = cuda_mem_index;
-    macio_state->nvram_mem_index = nvram_mem_index;
+    macio_state->nvram = nvram;
     if (nb_ide > 4)
         nb_ide = 4;
     macio_state->nb_ide = nb_ide;
@@ -264,7 +264,7 @@ static void ppc_core99_init (int ram_size, int vga_ram_size,
     dbdma_init(&dbdma_mem_index);
     macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
-               cuda_mem_index, -1, 2, ide_mem_index);
+               cuda_mem_index, NULL, 2, ide_mem_index);
     if (usb_enabled) {
         usb_ohci_init_pci(pci_bus, 3, -1);
@@ -274,9 +274,9 @@ static void ppc_core99_init (int 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);
+    nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
     pmac_format_nvram_partition(nvr, 0x2000);
-    cpu_register_physical_memory(0xFFF04000, 0x20000, nvram_mem_index);
+    macio_nvram_map(nvr, 0xFFF04000);
     nvram.opaque = nvr;
     nvram.read_fn = &macio_nvram_read;
     nvram.write_fn = &macio_nvram_write;
@@ -43,7 +43,7 @@ void cuda_init (int *cuda_mem_index, qemu_irq irq);
 /* MacIO */
 void macio_init (PCIBus *bus, int device_id, int is_oldworld, int pic_mem_index,
-                 int dbdma_mem_index, int cuda_mem_index, int nvram_mem_index,
+                 int dbdma_mem_index, int cuda_mem_index, void *nvram,
                  int nb_ide, int *ide_mem_index);
 /* NewWorld PowerMac IDE */
@@ -62,7 +62,8 @@ PCIBus *pci_pmac_init(qemu_irq *pic);
 /* Mac NVRAM */
 typedef struct MacIONVRAMState MacIONVRAMState;
-MacIONVRAMState *macio_nvram_init (int *mem_index);
+MacIONVRAMState *macio_nvram_init (int *mem_index, target_phys_addr_t size);
+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);
 void macio_nvram_write (void *opaque, uint32_t addr, uint32_t val);
@@ -271,13 +271,13 @@ static void ppc_heathrow_init (int ram_size, int vga_ram_size,
     adb_kbd_init(&adb_bus);
     adb_mouse_init(&adb_bus);
-    nvr = macio_nvram_init(&nvram_mem_index);
+    nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
     pmac_format_nvram_partition(nvr, 0x2000);
     dbdma_init(&dbdma_mem_index);
     macio_init(pci_bus, 0x0017, 1, pic_mem_index, dbdma_mem_index,
-               cuda_mem_index, nvram_mem_index, 0, NULL);
+               cuda_mem_index, nvr, 0, NULL);
     if (usb_enabled) {
         usb_ohci_init_pci(pci_bus, 3, -1);