Do assorted changes in memory-mapped rtc interface.
Also fix size of ISA I/O memory region, which should be 0x10000 bytes.
Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
---
hw/mips/mips_jazz.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index 738e9c7..ef5dd7d 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -60,13 +60,16 @@ static void main_cpu_reset(void *opaque)
static uint64_t rtc_read(void *opaque, hwaddr addr, unsigned size)
{
- return cpu_inw(0x71);
+ uint8_t val;
+ address_space_read(&address_space_memory, 0x90000071, &val, 1);
+ return val;
}
static void rtc_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
- cpu_outw(0x71, val & 0xff);
+ uint8_t buf = val & 0xff;
+ address_space_write(&address_space_memory, 0x90000071, &buf, 1);
}
static const MemoryRegionOps rtc_ops = {
@@ -124,7 +127,6 @@ static void mips_jazz_init(MachineState *machine,
enum jazz_model_e jazz_model)
{
MemoryRegion *address_space = get_system_memory();
- MemoryRegion *address_space_io = get_system_io();
const char *cpu_model = machine->cpu_model;
char *filename;
int bios_size, n;
@@ -134,7 +136,8 @@ static void mips_jazz_init(MachineState *machine,
qemu_irq *rc4030, *i8259;
rc4030_dma *dmas;
void* rc4030_opaque;
- MemoryRegion *isa = g_new(MemoryRegion, 1);
+ MemoryRegion *isa_mem = g_new(MemoryRegion, 1);
+ MemoryRegion *isa_io = g_new(MemoryRegion, 1);
MemoryRegion *rtc = g_new(MemoryRegion, 1);
MemoryRegion *i8042 = g_new(MemoryRegion, 1);
MemoryRegion *dma_dummy = g_new(MemoryRegion, 1);
@@ -219,8 +222,14 @@ static void mips_jazz_init(MachineState *machine,
memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, NULL, "dummy_dma",
0x1000);
memory_region_add_subregion(address_space, 0x8000d000, dma_dummy);
+ /* ISA bus: IO space at 0x90000000, mem space at 0x91000000 */
+ memory_region_init(isa_io, NULL, "isa-io", 0x00010000);
+ memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000);
+ memory_region_add_subregion(address_space, 0x90000000, isa_io);
+ memory_region_add_subregion(address_space, 0x91000000, isa_mem);
+ isa_bus = isa_bus_new(NULL, isa_mem, isa_io);
+
/* ISA devices */
- isa_bus = isa_bus_new(NULL, get_system_memory(), address_space_io);
i8259 = i8259_init(isa_bus, env->irq[4]);
isa_bus_irqs(isa_bus, i8259);
cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
@@ -228,12 +237,6 @@ static void mips_jazz_init(MachineState *machine,
pit = pit_init(isa_bus, 0x40, 0, NULL);
pcspk_init(isa_bus, pit);
- /* ISA IO space at 0x90000000 */
- memory_region_init_alias(isa, NULL, "isa_mmio",
- get_system_io(), 0, 0x01000000);
- memory_region_add_subregion(address_space, 0x90000000, isa);
- isa_mem_base = 0x11000000;
-
/* Video card */
switch (jazz_model) {
case JAZZ_MAGNUM:
--
1.7.10.4
