static int fimc_is_fault_handler(struct device *dev, const char *mmuname,
enum exynos_sysmmu_inttype itype,
unsigned long pgtable_base,
unsigned long fault_addr)
{
unsigned long *ent;
if ((itype >= SYSMMU_FAULTS_NUM) || (itype < SYSMMU_PAGEFAULT))
itype = SYSMMU_FAULT_UNKNOWN;
pr_err("%s occured at 0x%lx by '%s'(Page table base: 0x%lx)\n",
sysmmu_fault_name[itype], fault_addr, mmuname, pgtable_base);
ent = section_entry(__va(pgtable_base), fault_addr);
pr_err("\tLv1 entry: 0x%lx\n", *ent);
if (lv1ent_page(ent)) {
ent = page_entry(ent, fault_addr);
pr_err("\t Lv2 entry: 0x%lx\n", *ent);
}
__fimc_is_fault_handler(dev);
pr_err("Generating Kernel OOPS... because it is unrecoverable.\n");
BUG();
return 0;
}
static void show_fault_information(const char *name,
enum exynos_sysmmu_inttype itype,
phys_addr_t pgtable_base, sysmmu_iova_t fault_addr)
{
sysmmu_pte_t *ent;
if ((itype >= SYSMMU_FAULTS_NUM) || (itype < SYSMMU_PAGEFAULT))
itype = SYSMMU_FAULT_UNKNOWN;
pr_err("%s occurred at %#x by %s(Page table base: %pa)\n",
sysmmu_fault_name[itype], fault_addr, name, &pgtable_base);
ent = section_entry(phys_to_virt(pgtable_base), fault_addr);
pr_err("\tLv1 entry: %#x\n", *ent);
if (lv1ent_page(ent)) {
ent = page_entry(ent, fault_addr);
pr_err("\t Lv2 entry: %#x\n", *ent);
}
}
