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Diffstat (limited to 'hw/m68k/next-cube.c')
-rw-r--r--hw/m68k/next-cube.c80
1 files changed, 44 insertions, 36 deletions
diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
index 262ff4ead0..17a020e2a0 100644
--- a/hw/m68k/next-cube.c
+++ b/hw/m68k/next-cube.c
@@ -84,9 +84,6 @@ struct NeXTState {
qemu_irq scsi_reset;
qemu_irq *fd_irq;
- uint32_t scr1;
- uint32_t scr2;
-
NextRtc rtc;
};
@@ -99,6 +96,11 @@ struct NeXTPC {
/* Temporary until all functionality has been moved into this device */
NeXTState *ns;
+
+ MemoryRegion mmiomem;
+
+ uint32_t scr1;
+ uint32_t scr2;
};
/* Thanks to NeXT forums for this */
@@ -121,13 +123,13 @@ static const uint8_t rtc_ram2[32] = {
#define SCR2_RTDATA 0x4
#define SCR2_TOBCD(x) (((x / 10) << 4) + (x % 10))
-static void nextscr2_write(NeXTState *s, uint32_t val, int size)
+static void nextscr2_write(NeXTPC *s, uint32_t val, int size)
{
static int led;
static int phase;
static uint8_t old_scr2;
uint8_t scr2_2;
- NextRtc *rtc = &s->rtc;
+ NextRtc *rtc = &s->ns->rtc;
if (size == 4) {
scr2_2 = (val >> 8) & 0xFF;
@@ -239,7 +241,7 @@ static void nextscr2_write(NeXTState *s, uint32_t val, int size)
/* clear FTU */
if (rtc->value & 0x04) {
rtc->status = rtc->status & (~0x18);
- s->int_status = s->int_status & (~0x04);
+ s->ns->int_status = s->ns->int_status & (~0x04);
}
}
}
@@ -255,7 +257,7 @@ static void nextscr2_write(NeXTState *s, uint32_t val, int size)
old_scr2 = scr2_2;
}
-static uint32_t mmio_readb(NeXTState *s, hwaddr addr)
+static uint32_t mmio_readb(NeXTPC *s, hwaddr addr)
{
switch (addr) {
case 0xc000:
@@ -285,7 +287,7 @@ static uint32_t mmio_readb(NeXTState *s, hwaddr addr)
}
}
-static uint32_t mmio_readw(NeXTState *s, hwaddr addr)
+static uint32_t mmio_readw(NeXTPC *s, hwaddr addr)
{
switch (addr) {
default:
@@ -294,16 +296,16 @@ static uint32_t mmio_readw(NeXTState *s, hwaddr addr)
}
}
-static uint32_t mmio_readl(NeXTState *s, hwaddr addr)
+static uint32_t mmio_readl(NeXTPC *s, hwaddr addr)
{
switch (addr) {
case 0x7000:
- /* DPRINTF("Read INT status: %x\n", s->int_status); */
- return s->int_status;
+ /* DPRINTF("Read INT status: %x\n", s->ns->int_status); */
+ return s->ns->int_status;
case 0x7800:
- DPRINTF("MMIO Read INT mask: %x\n", s->int_mask);
- return s->int_mask;
+ DPRINTF("MMIO Read INT mask: %x\n", s->ns->int_mask);
+ return s->ns->int_mask;
case 0xc000:
return s->scr1;
@@ -317,7 +319,7 @@ static uint32_t mmio_readl(NeXTState *s, hwaddr addr)
}
}
-static void mmio_writeb(NeXTState *s, hwaddr addr, uint32_t val)
+static void mmio_writeb(NeXTPC *s, hwaddr addr, uint32_t val)
{
switch (addr) {
case 0xd003:
@@ -329,21 +331,21 @@ static void mmio_writeb(NeXTState *s, hwaddr addr, uint32_t val)
}
-static void mmio_writew(NeXTState *s, hwaddr addr, uint32_t val)
+static void mmio_writew(NeXTPC *s, hwaddr addr, uint32_t val)
{
DPRINTF("MMIO Write W\n");
}
-static void mmio_writel(NeXTState *s, hwaddr addr, uint32_t val)
+static void mmio_writel(NeXTPC *s, hwaddr addr, uint32_t val)
{
switch (addr) {
case 0x7000:
- DPRINTF("INT Status old: %x new: %x\n", s->int_status, val);
- s->int_status = val;
+ DPRINTF("INT Status old: %x new: %x\n", s->ns->int_status, val);
+ s->ns->int_status = val;
break;
case 0x7800:
- DPRINTF("INT Mask old: %x new: %x\n", s->int_mask, val);
- s->int_mask = val;
+ DPRINTF("INT Mask old: %x new: %x\n", s->ns->int_mask, val);
+ s->ns->int_mask = val;
break;
case 0xc000:
DPRINTF("SCR1 Write: %x\n", val);
@@ -359,15 +361,15 @@ static void mmio_writel(NeXTState *s, hwaddr addr, uint32_t val)
static uint64_t mmio_readfn(void *opaque, hwaddr addr, unsigned size)
{
- NeXTState *ns = NEXT_MACHINE(opaque);
+ NeXTPC *s = NEXT_PC(opaque);
switch (size) {
case 1:
- return mmio_readb(ns, addr);
+ return mmio_readb(s, addr);
case 2:
- return mmio_readw(ns, addr);
+ return mmio_readw(s, addr);
case 4:
- return mmio_readl(ns, addr);
+ return mmio_readl(s, addr);
default:
g_assert_not_reached();
}
@@ -376,17 +378,17 @@ static uint64_t mmio_readfn(void *opaque, hwaddr addr, unsigned size)
static void mmio_writefn(void *opaque, hwaddr addr, uint64_t value,
unsigned size)
{
- NeXTState *ns = NEXT_MACHINE(opaque);
+ NeXTPC *s = NEXT_PC(opaque);
switch (size) {
case 1:
- mmio_writeb(ns, addr, value);
+ mmio_writeb(s, addr, value);
break;
case 2:
- mmio_writew(ns, addr, value);
+ mmio_writew(s, addr, value);
break;
case 4:
- mmio_writel(ns, addr, value);
+ mmio_writel(s, addr, value);
break;
default:
g_assert_not_reached();
@@ -870,10 +872,23 @@ static void next_escc_init(M68kCPU *cpu)
static void next_pc_reset(DeviceState *dev)
{
+ NeXTPC *s = NEXT_PC(dev);
+
+ /* Set internal registers to initial values */
+ /* 0x0000XX00 << vital bits */
+ s->scr1 = 0x00011102;
+ s->scr2 = 0x00ff0c80;
}
static void next_pc_realize(DeviceState *dev, Error **errp)
{
+ NeXTPC *s = NEXT_PC(dev);
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+ memory_region_init_io(&s->mmiomem, OBJECT(s), &mmio_ops, s,
+ "next.mmio", 0xD0000);
+
+ sysbus_init_mmio(sbd, &s->mmiomem);
}
static void next_pc_class_init(ObjectClass *klass, void *data)
@@ -898,7 +913,6 @@ static void next_cube_init(MachineState *machine)
M68kCPU *cpu;
CPUM68KState *env;
MemoryRegion *rom = g_new(MemoryRegion, 1);
- MemoryRegion *mmiomem = g_new(MemoryRegion, 1);
MemoryRegion *scrmem = g_new(MemoryRegion, 1);
MemoryRegion *dmamem = g_new(MemoryRegion, 1);
MemoryRegion *bmapm1 = g_new(MemoryRegion, 1);
@@ -927,10 +941,6 @@ static void next_cube_init(MachineState *machine)
/* Temporary while we refactor this code */
NEXT_PC(pcdev)->ns = ns;
- /* Set internal registers to initial values */
- /* 0x0000XX00 << vital bits */
- ns->scr1 = 0x00011102;
- ns->scr2 = 0x00ff0c80;
ns->rtc.status = 0x90;
/* Load RTC RAM - TODO: provide possibility to load contents from file */
@@ -945,9 +955,7 @@ static void next_cube_init(MachineState *machine)
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x0B000000);
/* MMIO */
- memory_region_init_io(mmiomem, NULL, &mmio_ops, machine, "next.mmio",
- 0xD0000);
- memory_region_add_subregion(sysmem, 0x02000000, mmiomem);
+ sysbus_mmio_map(SYS_BUS_DEVICE(pcdev), 0, 0x02000000);
/* BMAP memory */
memory_region_init_ram_shared_nomigrate(bmapm1, NULL, "next.bmapmem", 64,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 05:02:02 +0000