void *host_mmap_upper(void)
{
void *ret;
int r;
// make sure this never happens on Caanoo
if (probably_caanoo) {
err("Wiz mmap code called on Caanoo?");
return MAP_FAILED;
}
// Wiz GP2X
// <linux mem> 03460000-03ffffff 00ba0000
// 02aa0000-02dfffff 03100000-0345ffff 00360000
// <linux mem> 03000000-030fffff 00100000
// 03000000-03ffffff 02000000-02ffffff 01000000
ret = mmap((void *)0x82000000, 0x1000000, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_SHARED|MAP_FIXED, memdev, 0x3000000);
if (ret != (void *)0x82000000)
goto fail;
ret = mmap((void *)0x83000000, 0x100000, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
if (ret != (void *)0x83000000)
goto fail;
ret = mmap((void *)0x83100000, 0x360000, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_SHARED|MAP_FIXED, memdev, 0x2aa0000);
if (ret != (void *)0x83100000)
goto fail;
ret = mmap((void *)0x83460000, 0xba0000, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED, -1, 0);
if (ret != (void *)0x83460000)
goto fail;
r = warm_change_cb_range(WCB_B_BIT|WCB_C_BIT, 1, (void *)0x82000000, 0x1000000);
r |= warm_change_cb_range(WCB_B_BIT|WCB_C_BIT, 1, (void *)0x83100000, 0x360000);
if (r != 0)
err("could not make upper mem cacheable.\n");
return (void *)0x82000000;
fail:
err("mmap %p: ", ret);
perror(NULL);
exit(1);
}
int warm_change_cb_upper(int cb, int is_set)
{
return warm_change_cb_range(cb, is_set, 0, 0);
}