int map_lv1(void)
{
int result = lv1_undocumented_function_114(0, 0xC, HV_SIZE, &mmap_lpar_addr);
if (result != 0) {
return 0;
}
result = mm_map_lpar_memory_region(mmap_lpar_addr, HV_BASE, HV_SIZE, 0xC, 0);
if (result) {
return 0;
}
return 1;
}
int map_lv1() {
int result = lv1_undocumented_function_114(0, 0xC, HV_SIZE, &mmap_lpar_addr);
if (result != 0) {
PRINTF("Error code %d calling lv1_undocumented_function_114\n", result);
return 0;
}
result = mm_map_lpar_memory_region(mmap_lpar_addr, HV_BASE, HV_SIZE, 0xC, 0);
if (result) {
PRINTF("Error code %d calling mm_map_lpar_memory_region\n", result);
return 0;
}
return 1;
}
static int __init ps3sbmmio_init(void)
{
int res;
res = lv1_undocumented_function_114(MMAP_START_ADDR, PAGE_SHIFT, MMAP_SIZE, &ps3sbmmio_lpar_addr);
if (res) {
pr_debug("%s:%u: lpar map failed %d\n", __func__, __LINE__, res);
res = -EFAULT;
goto fail;
}
ps3sbmmio = ioremap_flags(ps3sbmmio_lpar_addr, MMAP_SIZE, _PAGE_NO_CACHE);
if (!ps3sbmmio) {
pr_debug("%s:%d: ioremap_flags failed\n", __func__, __LINE__);
res = -EFAULT;
goto fail_lpar_unmap;
}
res = misc_register(&ps3sbmmio_misc);
if (res) {
pr_debug("%s:%u: misc_register failed %d\n",
__func__, __LINE__, res);
goto fail_iounmap;
}
pr_debug("%s:%u: registered misc device %d\n",
__func__, __LINE__, ps3sbmmio_misc.minor);
return 0;
fail_iounmap:
iounmap(ps3sbmmio);
fail_lpar_unmap:
lv1_undocumented_function_115(ps3sbmmio_lpar_addr);
fail:
return res;
}
int map_lv1()
{
char buf[256];
int result =
lv1_undocumented_function_114(0, 0xC, HV_SIZE, &mmap_lpar_addr);
if (result != 0) {
snprintf(buf, sizeof(buf),
"Error code %d calling lv1_undocumented_function_114",
result);
xputs(buf);
return 0;
}
result =
mm_map_lpar_memory_region(mmap_lpar_addr, HV_BASE, HV_SIZE, 0xC, 0);
if (result) {
snprintf(buf, sizeof(buf),
"Error code %d calling mm_map_lpar_memory_region",
result);
xputs(buf);
return 0;
}
return 1;
}
int payload_main(uint8_t* output_data, uint64_t output_size) {
int result;
uint64_t ticks;
uint64_t hv_lpar_addr;
uint64_t hv_mapped_size;
uint8_t* hv;
uint8_t* metldr;
uint8_t* stuff;
uint8_t* dumper;
uint8_t* work_data;
uint64_t metldr_offset, metldr_size;
uint64_t stuff_lpar_addr;
uint64_t gameos_lpar_base, gameos_lpar_size;
uint64_t vas_id, spu_id;
uint64_t esid, vsid;
uint64_t priv2_addr, problem_phys, local_store_phys, shadow_addr;
uint64_t intr_status, unused;
struct spu_shadow volatile* spu_shadow;
struct spu_problem volatile* spu_problem;
struct spu_priv2 volatile* spu_priv2;
uint8_t volatile* spu_ls;
uint32_t spu_out_intr_mbox_value, spu_out_mbox_value;
uint8_t mfc_cmd_tag;
uint32_t force_exit;
uint32_t i;
lv2_extend_kstack(0);
result = 0;
hv = NULL;
metldr = NULL;
stuff = NULL;
dumper = NULL;
work_data = NULL;
hv_lpar_addr = 0;
stuff_lpar_addr = 0;
if (!output_data || output_size < DUMP_SIZE) {
result = EINVAL;
goto error;
}
gameos_lpar_base = *(uint64_t*)GAMEOS_LPAR_BASE_PTR;
gameos_lpar_size = *(uint64_t*)GAMEOS_LPAR_SIZE_PTR;
if (!gameos_lpar_base || !gameos_lpar_size) {
result = EFAULT;
goto error;
}
metldr_offset = lv1_peek64(LOADERS_TAB_OFFSET + METLDR_TAB_OFFSET);
metldr_size = lv1_peek64(LOADERS_TAB_OFFSET + METLDR_TAB_SIZE);
if (!metldr_offset || !metldr_size) {
result = EFAULT;
goto error;
}
hv_mapped_size = align_up(metldr_offset + metldr_size, 1 << HV_PAGE_SIZE);
result = lv1_undocumented_function_114(0, HV_PAGE_SIZE, hv_mapped_size, &hv_lpar_addr);
if (result != 0)
goto error;
MM_LOAD_BASE(hv, HV_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(hv), hv_lpar_addr, hv_mapped_size, HV_PAGE_SIZE, 0, 0);
if (result != 0)
goto error;
stuff_lpar_addr = gameos_lpar_base + gameos_lpar_size - STUFF_SIZE;
MM_LOAD_BASE(stuff, STUFF_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(stuff), stuff_lpar_addr, STUFF_SIZE, STUFF_PAGE_SIZE, 0, 0);
if (result != 0)
goto error;
metldr = stuff;
dumper = ptr_align_up(metldr + metldr_size, 1 << STUFF_PAGE_SIZE);
work_data = ptr_align_up(dumper + dumper_payload_size, 1 << STUFF_PAGE_SIZE);
lv2_memcpy(metldr, hv + metldr_offset, metldr_size);
lv2_memcpy(dumper, dumper_payload, dumper_payload_size);
lv2_memset(work_data, 0, DUMP_SIZE);
result = lv1_undocumented_function_115(hv_lpar_addr);
if (result != 0)
goto done;
hv_lpar_addr = 0;
vas_id = vas_get_id();
result = lv1_construct_logical_spu(PAGE_SIZE_4KB, PAGE_SIZE_4KB, PAGE_SIZE_4KB, PAGE_SIZE_4KB, PAGE_SIZE_4KB, vas_id, 0, &priv2_addr, &problem_phys, &local_store_phys, &unused, &shadow_addr, &spu_id);
if (result != 0)
goto error;
result = lv1_enable_logical_spu(spu_id, 6);
if (result != 0)
goto error;
result = lv1_set_spu_interrupt_mask(spu_id, 0, 0x7);
if (result != 0)
goto error;
result = lv1_set_spu_interrupt_mask(spu_id, 1, 0xF);
if (result != 0)
goto error;
result = lv1_set_spu_interrupt_mask(spu_id, 2, 0xF);
if (result != 0)
goto error;
MM_LOAD_BASE(spu_shadow, SPU_SHADOW_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(spu_shadow), shadow_addr, SPU_SHADOW_SIZE, PAGE_SIZE_4KB, 0, 0x3);
if (result != 0)
goto error;
MM_LOAD_BASE(spu_problem, SPU_PROBLEM_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(spu_problem), problem_phys, SPU_PROBLEM_SIZE, PAGE_SIZE_4KB, 0, 0);
if (result != 0)
goto error;
MM_LOAD_BASE(spu_priv2, SPU_PRIV2_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(spu_priv2), priv2_addr, SPU_PRIV2_SIZE, PAGE_SIZE_4KB, 0, 0);
if (result != 0)
goto error;
MM_LOAD_BASE(spu_ls, SPU_LS_OFFSET);
result = mm_map_lpar_memory_region(0, MM_EA2VA(spu_ls), local_store_phys, SPU_LS_SIZE, PAGE_SIZE_4KB, 0, 0);
if (result != 0)
goto error;
result = lv1_set_spu_privilege_state_area_1_register(spu_id, MFC_SR1, 0x10);
if (result != 0)
goto error;
spu_slb_invalidate_all(spu_priv2);
esid = 0x8000000018000000ULL;
vsid = 0x0000000000001400ULL;
spu_slb_set_entry(spu_priv2, 0, esid, vsid);
spu_priv2->spu_cfg = 0;
eieio();
spu_in_mbox_write_64(spu_problem, (uint64_t)dumper);
spu_sig_notify_1_2_write_64(spu_problem, (uint64_t)metldr);
spu_iso_load_req_enable(spu_priv2);
spu_iso_load_req(spu_problem);
force_exit = 0;
while (1) {
if (force_exit) {
result = ECANCELED;
goto bad;
}
result = lv1_get_spu_interrupt_status(spu_id, 0, &intr_status);
if (result != 0)
goto error;
if (intr_status) {
result = lv1_clear_spu_interrupt_status(spu_id, 0, intr_status, 0);
if (result != 0)
goto error;
}
result = lv1_get_spu_interrupt_status(spu_id, 1, &intr_status);
if (result != 0)
goto error;
if (intr_status) {
result = lv1_clear_spu_interrupt_status(spu_id, 1, intr_status, 0);
if (result != 0)
goto error;
}
result = lv1_get_spu_interrupt_status(spu_id, 2, &intr_status);
if (result != 0)
goto error;
if (intr_status) {
result = lv1_clear_spu_interrupt_status(spu_id, 2, intr_status, 0);
if (result != 0)
goto error;
if (intr_status & 0x1) {
if (spu_mbox_stat_intr_out_mbox_count(spu_problem) != 0) {
spu_out_intr_mbox_value = spu_priv2->spu_out_intr_mbox;
if (spu_out_intr_mbox_value == 1) {
if (spu_mbox_stat_out_mbox_count(spu_problem) == 0) {
result = ECANCELED;
goto bad;
}
spu_out_mbox_value = spu_problem->spu_out_mbox;
if (spu_out_mbox_value != 1) {
result = ECANCELED;
break;
}
ticks = 3 * TB_TICKS_PER_SEC;
sleep(ticks);
mfc_cmd_tag = 1;
if (spu_mfc_cmd_exec(spu_problem, DUMP_LS_ADDR, (uint64_t)work_data, DUMP_SIZE, mfc_cmd_tag, 0, MFC_CMD_PUT)) {
result = ECANCELED;
goto bad;
}
while (spu_mfc_cmd_tag_status(spu_problem, mfc_cmd_tag) == 0) {
if (force_exit) {
result = ECANCELED;
goto bad;
}
}
force_exit = 1;
} else if (spu_out_intr_mbox_value == 2) {
spu_out_mbox_value = spu_problem->spu_out_mbox;
force_exit = 1;
}
}
}
}
if ((spu_problem->spu_status & 0x1) == 0)
break;
ticks = 1 * TB_TICKS_PER_SEC;
sleep(ticks);
}
bad:
if (spu_shadow) {
}
if (spu_problem) {
spu_iso_exit_req(spu_problem);
spu_stop_req(spu_problem);
}
if (spu_priv2) {
}
result = lv1_destruct_logical_spu(spu_id);
if (result != 0)
goto error;
if (work_data)
result = lv2_copy_to_user(work_data, output_data, DUMP_SIZE);
ticks = 5 * TB_TICKS_PER_SEC;
sleep(ticks);
error:
if (hv_lpar_addr != 0)
result = lv1_undocumented_function_115(hv_lpar_addr);
done:
return result;
}