static void xen_platform_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
{
PCIXenPlatformState *s = opaque;
switch (addr) {
case 0: /* Platform flags */
platform_fixed_ioport_writeb(opaque, 0, val);
break;
case 8:
log_writeb(s, val);
break;
default:
break;
}
}
static void xen_platform_ioport_writeb(void *opaque, hwaddr addr,
uint64_t val, unsigned int size)
{
PCIXenPlatformState *s = opaque;
switch (addr) {
case 0: /* Platform flags */
platform_fixed_ioport_writeb(opaque, 0, (uint32_t)val);
break;
case 8:
log_writeb(s, (uint32_t)val);
break;
default:
break;
}
}
static void platform_fixed_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
{
PCIXenPlatformState *s = opaque;
switch (addr) {
case 0: /* Platform flags */ {
hvmmem_type_t mem_type = (val & PFFLAG_ROM_LOCK) ?
HVMMEM_ram_ro : HVMMEM_ram_rw;
if (xc_hvm_set_mem_type(xen_xc, xen_domid, mem_type, 0xc0, 0x40)) {
DPRINTF("unable to change ro/rw state of ROM memory area!\n");
} else {
s->flags = val & PFFLAG_ROM_LOCK;
DPRINTF("changed ro/rw state of ROM memory area. now is %s state.\n",
(mem_type == HVMMEM_ram_ro ? "ro":"rw"));
}
break;
}
case 2:
log_writeb(s, val);
break;
}
}