RISC-V: fixups to work with crash tool

[linux-2.6-microblaze.git] / arch / riscv / mm / init.c

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index d466ec6..b56a0a7 100644 (file)
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -135,6 +135,10 @@ static void __init print_vm_layout(void)
                (unsigned long)VMEMMAP_END);
        print_ml("vmalloc", (unsigned long)VMALLOC_START,
                (unsigned long)VMALLOC_END);
+#ifdef CONFIG_64BIT
+       print_ml("modules", (unsigned long)MODULES_VADDR,
+               (unsigned long)MODULES_END);
+#endif
        print_ml("lowmem", (unsigned long)PAGE_OFFSET,
                (unsigned long)high_memory);
        if (IS_ENABLED(CONFIG_64BIT)) {
@@ -288,6 +292,26 @@ static pmd_t __maybe_unused early_dtb_pmd[PTRS_PER_PMD] __initdata __aligned(PAG
 #define early_pg_dir           ((pgd_t *)XIP_FIXUP(early_pg_dir))
 #endif /* CONFIG_XIP_KERNEL */
 
+static const pgprot_t protection_map[16] = {
+       [VM_NONE]                                       = PAGE_NONE,
+       [VM_READ]                                       = PAGE_READ,
+       [VM_WRITE]                                      = PAGE_COPY,
+       [VM_WRITE | VM_READ]                            = PAGE_COPY,
+       [VM_EXEC]                                       = PAGE_EXEC,
+       [VM_EXEC | VM_READ]                             = PAGE_READ_EXEC,
+       [VM_EXEC | VM_WRITE]                            = PAGE_COPY_EXEC,
+       [VM_EXEC | VM_WRITE | VM_READ]                  = PAGE_COPY_READ_EXEC,
+       [VM_SHARED]                                     = PAGE_NONE,
+       [VM_SHARED | VM_READ]                           = PAGE_READ,
+       [VM_SHARED | VM_WRITE]                          = PAGE_SHARED,
+       [VM_SHARED | VM_WRITE | VM_READ]                = PAGE_SHARED,
+       [VM_SHARED | VM_EXEC]                           = PAGE_EXEC,
+       [VM_SHARED | VM_EXEC | VM_READ]                 = PAGE_READ_EXEC,
+       [VM_SHARED | VM_EXEC | VM_WRITE]                = PAGE_SHARED_EXEC,
+       [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ]      = PAGE_SHARED_EXEC
+};
+DECLARE_VM_GET_PAGE_PROT
+
 void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot)
 {
        unsigned long addr = __fix_to_virt(idx);