*
* Copyright (c) 2007 CodeSourcery.
*
- * This code is licenced under the GPL
+ * This code is licensed under the GPL
*/
#include "hw.h"
#include "mcf.h"
#include "qemu-char.h"
+#include "exec-memory.h"
typedef struct {
+ MemoryRegion iomem;
uint8_t mr[2];
uint8_t sr;
uint8_t isr;
qemu_set_irq(s->irq, (s->isr & s->imr) != 0);
}
-uint32_t mcf_uart_read(void *opaque, target_phys_addr_t addr)
+uint64_t mcf_uart_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
mcf_uart_state *s = (mcf_uart_state *)opaque;
switch (addr & 0x3f) {
{
if (s->tx_enabled && (s->sr & MCF_UART_TxEMP) == 0) {
if (s->chr)
- qemu_chr_write(s->chr, (unsigned char *)&s->tb, 1);
+ qemu_chr_fe_write(s->chr, (unsigned char *)&s->tb, 1);
s->sr |= MCF_UART_TxEMP;
}
if (s->tx_enabled) {
}
}
-void mcf_uart_write(void *opaque, target_phys_addr_t addr, uint32_t val)
+void mcf_uart_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
{
mcf_uart_state *s = (mcf_uart_state *)opaque;
switch (addr & 0x3f) {
{
mcf_uart_state *s;
- s = qemu_mallocz(sizeof(mcf_uart_state));
+ s = g_malloc0(sizeof(mcf_uart_state));
s->chr = chr;
s->irq = irq;
if (chr) {
return s;
}
-
-static CPUReadMemoryFunc * const mcf_uart_readfn[] = {
- mcf_uart_read,
- mcf_uart_read,
- mcf_uart_read
-};
-
-static CPUWriteMemoryFunc * const mcf_uart_writefn[] = {
- mcf_uart_write,
- mcf_uart_write,
- mcf_uart_write
+static const MemoryRegionOps mcf_uart_ops = {
+ .read = mcf_uart_read,
+ .write = mcf_uart_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
-void mcf_uart_mm_init(target_phys_addr_t base, qemu_irq irq,
+void mcf_uart_mm_init(MemoryRegion *sysmem,
+ target_phys_addr_t base,
+ qemu_irq irq,
CharDriverState *chr)
{
mcf_uart_state *s;
- int iomemtype;
s = mcf_uart_init(irq, chr);
- iomemtype = cpu_register_io_memory(mcf_uart_readfn,
- mcf_uart_writefn, s);
- cpu_register_physical_memory(base, 0x40, iomemtype);
+ memory_region_init_io(&s->iomem, &mcf_uart_ops, s, "uart", 0x40);
+ memory_region_add_subregion(sysmem, base, &s->iomem);
}