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-rw-r--r--hw/mac_nvram.c88
1 files changed, 53 insertions, 35 deletions
diff --git a/hw/mac_nvram.c b/hw/mac_nvram.c
index 71093c2b10..25121fa482 100644
--- a/hw/mac_nvram.c
+++ b/hw/mac_nvram.c
@@ -25,7 +25,7 @@
#include "hw.h"
#include "firmware_abi.h"
#include "sysemu/sysemu.h"
-#include "ppc_mac.h"
+#include "ppc/mac.h"
/* debug NVR */
//#define DEBUG_NVR
@@ -37,37 +37,29 @@
#define NVR_DPRINTF(fmt, ...)
#endif
-struct MacIONVRAMState {
- uint32_t size;
- MemoryRegion mem;
- unsigned int it_shift;
- uint8_t *data;
-};
-
#define DEF_SYSTEM_SIZE 0xc10
/* Direct access to NVRAM */
-uint32_t macio_nvram_read (void *opaque, uint32_t addr)
+uint8_t macio_nvram_read(MacIONVRAMState *s, uint32_t addr)
{
- MacIONVRAMState *s = opaque;
uint32_t ret;
- if (addr < s->size)
+ if (addr < s->size) {
ret = s->data[addr];
- else
+ } else {
ret = -1;
- NVR_DPRINTF("read addr %04x val %x\n", addr, ret);
+ }
+ NVR_DPRINTF("read addr %04" PRIx32 " val %" PRIx8 "\n", addr, ret);
return ret;
}
-void macio_nvram_write (void *opaque, uint32_t addr, uint32_t val)
+void macio_nvram_write(MacIONVRAMState *s, uint32_t addr, uint8_t val)
{
- MacIONVRAMState *s = opaque;
-
- NVR_DPRINTF("write addr %04x val %x\n", addr, val);
- if (addr < s->size)
+ NVR_DPRINTF("write addr %04" PRIx32 " val %" PRIx8 "\n", addr, val);
+ if (addr < s->size) {
s->data[addr] = val;
+ }
}
/* macio style NVRAM device */
@@ -78,7 +70,7 @@ static void macio_nvram_writeb(void *opaque, hwaddr addr,
addr = (addr >> s->it_shift) & (s->size - 1);
s->data[addr] = value;
- NVR_DPRINTF("writeb addr %04x val %x\n", (int)addr, value);
+ NVR_DPRINTF("writeb addr %04" PHYS_PRIx " val %" PRIx64 "\n", addr, value);
}
static uint64_t macio_nvram_readb(void *opaque, hwaddr addr,
@@ -97,7 +89,7 @@ static uint64_t macio_nvram_readb(void *opaque, hwaddr addr,
static const MemoryRegionOps macio_nvram_ops = {
.read = macio_nvram_readb,
.write = macio_nvram_writeb,
- .endianness = DEVICE_NATIVE_ENDIAN,
+ .endianness = DEVICE_BIG_ENDIAN,
};
static const VMStateDescription vmstate_macio_nvram = {
@@ -112,32 +104,56 @@ static const VMStateDescription vmstate_macio_nvram = {
};
-static void macio_nvram_reset(void *opaque)
+static void macio_nvram_reset(DeviceState *dev)
{
}
-MacIONVRAMState *macio_nvram_init (hwaddr size,
- unsigned int it_shift)
+static void macio_nvram_realizefn(DeviceState *dev, Error **errp)
{
- MacIONVRAMState *s;
+ SysBusDevice *d = SYS_BUS_DEVICE(dev);
+ MacIONVRAMState *s = MACIO_NVRAM(dev);
- s = g_malloc0(sizeof(MacIONVRAMState));
- s->data = g_malloc0(size);
- s->size = size;
- s->it_shift = it_shift;
+ s->data = g_malloc0(s->size);
memory_region_init_io(&s->mem, &macio_nvram_ops, s, "macio-nvram",
- size << it_shift);
- vmstate_register(NULL, -1, &vmstate_macio_nvram, s);
- qemu_register_reset(macio_nvram_reset, s);
+ s->size << s->it_shift);
+ sysbus_init_mmio(d, &s->mem);
+}
+
+static void macio_nvram_unrealizefn(DeviceState *dev, Error **errp)
+{
+ MacIONVRAMState *s = MACIO_NVRAM(dev);
- return s;
+ g_free(s->data);
}
-void macio_nvram_setup_bar(MacIONVRAMState *s, MemoryRegion *bar,
- hwaddr mem_base)
+static Property macio_nvram_properties[] = {
+ DEFINE_PROP_UINT32("size", MacIONVRAMState, size, 0),
+ DEFINE_PROP_UINT32("it_shift", MacIONVRAMState, it_shift, 0),
+ DEFINE_PROP_END_OF_LIST()
+};
+
+static void macio_nvram_class_init(ObjectClass *oc, void *data)
{
- memory_region_add_subregion(bar, mem_base, &s->mem);
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->realize = macio_nvram_realizefn;
+ dc->unrealize = macio_nvram_unrealizefn;
+ dc->reset = macio_nvram_reset;
+ dc->vmsd = &vmstate_macio_nvram;
+ dc->props = macio_nvram_properties;
+}
+
+static const TypeInfo macio_nvram_type_info = {
+ .name = TYPE_MACIO_NVRAM,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(MacIONVRAMState),
+ .class_init = macio_nvram_class_init,
+};
+
+static void macio_nvram_register_types(void)
+{
+ type_register_static(&macio_nvram_type_info);
}
/* Set up a system OpenBIOS NVRAM partition */
@@ -176,3 +192,5 @@ void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len)
end = len;
OpenBIOS_finish_partition(part_header, end - start);
}
+
+type_init(macio_nvram_register_types)