summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/mmu_decl.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/mmu_decl.h')
-rw-r--r--arch/powerpc/mm/mmu_decl.h34
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 74ff61dabcb1..8e99649c24fc 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Declarations of procedures and variables shared between files
* in arch/ppc/mm/.
@@ -11,12 +12,6 @@
*
* Derived from "arch/i386/mm/init.c"
* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/mm.h>
#include <asm/mmu.h>
@@ -83,19 +78,21 @@ static inline void _tlbivax_bcast(unsigned long address, unsigned int pid,
}
#endif
-#else /* CONFIG_PPC_MMU_NOHASH */
-
-extern void hash_preload(struct mm_struct *mm, unsigned long ea,
- bool is_exec, unsigned long trap);
+static inline void print_system_hash_info(void) {}
+#else /* CONFIG_PPC_MMU_NOHASH */
extern void _tlbie(unsigned long address);
extern void _tlbia(void);
+void print_system_hash_info(void);
+
#endif /* CONFIG_PPC_MMU_NOHASH */
#ifdef CONFIG_PPC32
+void hash_preload(struct mm_struct *mm, unsigned long ea);
+
extern void mapin_ram(void);
extern void setbat(int index, unsigned long virt, phys_addr_t phys,
unsigned int size, pgprot_t prot);
@@ -104,12 +101,11 @@ extern int __map_without_bats;
extern unsigned int rtas_data, rtas_size;
struct hash_pte;
-extern struct hash_pte *Hash, *Hash_end;
-extern unsigned long Hash_size, Hash_mask;
+extern struct hash_pte *Hash;
+extern u8 early_hash[];
#endif /* CONFIG_PPC32 */
-extern unsigned long ioremap_bot;
extern unsigned long __max_low_memory;
extern phys_addr_t __initial_memory_limit_addr;
extern phys_addr_t total_memory;
@@ -130,6 +126,7 @@ extern void wii_memory_fixups(void);
*/
#ifdef CONFIG_PPC32
extern void MMU_init_hw(void);
+void MMU_init_hw_patch(void);
unsigned long mmu_mapin_ram(unsigned long base, unsigned long top);
#endif
@@ -142,10 +139,21 @@ extern unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
extern void adjust_total_lowmem(void);
extern int switch_to_as1(void);
extern void restore_to_as0(int esel, int offset, void *dt_ptr, int bootcpu);
+void create_kaslr_tlb_entry(int entry, unsigned long virt, phys_addr_t phys);
+void reloc_kernel_entry(void *fdt, int addr);
+extern int is_second_reloc;
#endif
extern void loadcam_entry(unsigned int index);
extern void loadcam_multi(int first_idx, int num, int tmp_idx);
+#ifdef CONFIG_RANDOMIZE_BASE
+void kaslr_early_init(void *dt_ptr, phys_addr_t size);
+void kaslr_late_init(void);
+#else
+static inline void kaslr_early_init(void *dt_ptr, phys_addr_t size) {}
+static inline void kaslr_late_init(void) {}
+#endif
+
struct tlbcam {
u32 MAS0;
u32 MAS1;
OpenPOWER on IntegriCloud