static int
ps3_attach(platform_t plat)
{
uint64_t lpar_id, junk, ppe_id;
/* Get real mode memory region */
avail_regions[0].mr_start = 0;
lv1_get_logical_partition_id(&lpar_id);
lv1_get_logical_ppe_id(&ppe_id);
lv1_get_repository_node_value(lpar_id,
lv1_repository_string("bi") >> 32, lv1_repository_string("pu"),
ppe_id, lv1_repository_string("rm_size"),
&avail_regions[0].mr_size, &junk);
/* Now get extended memory region */
lv1_get_repository_node_value(lpar_id,
lv1_repository_string("bi") >> 32,
lv1_repository_string("rgntotal"), 0, 0,
&avail_regions[1].mr_size, &junk);
/* Convert to maximum amount we can allocate in 16 MB pages */
avail_regions[1].mr_size -= avail_regions[0].mr_size;
avail_regions[1].mr_size -= avail_regions[1].mr_size % (16*1024*1024);
lv1_allocate_memory(avail_regions[1].mr_size, 24 /* 16 MB pages */,
0, 0x04 /* any address */, &avail_regions[1].mr_start, &junk);
pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC);
cpu_idle_hook = ps3_cpu_idle;
/* Set a breakpoint to make NULL an invalid address */
lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */);
return (0);
}
static int ps3_set_dabr(unsigned long dabr, unsigned long dabrx)
{
/* Have to set at least one bit in the DABRX */
if (dabrx == 0 && dabr == 0)
dabrx = DABRX_USER;
/* hypervisor only allows us to set BTI, Kernel and user */
dabrx &= DABRX_BTI | DABRX_KERNEL | DABRX_USER;
return lv1_set_dabr(dabr, dabrx) ? -1 : 0;
}
static int
ps3_attach(platform_t plat)
{
uint64_t junk;
int count;
struct mem_region avail_regions[2];
ps3_mem_regions(plat, NULL, NULL, avail_regions, &count);
lv1_allocate_memory(avail_regions[1].mr_size, 24 /* 16 MB pages */,
0, 0x04 /* any address */, &avail_regions[1].mr_start, &junk);
pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC);
cpu_idle_hook = ps3_cpu_idle;
/* Set a breakpoint to make NULL an invalid address */
lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */);
return (0);
}
static int ps3_set_dabr(unsigned long dabr)
{
enum {DABR_USER = 1, DABR_KERNEL = 2,};
return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0;
}
