1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _SPARC64_MM_INIT_H
 3#define _SPARC64_MM_INIT_H
 4
 5#include <asm/page.h>
 6
 7/* Most of the symbols in this file are defined in init.c and
 8 * marked non-static so that assembler code can get at them.
 9 */
10
11#define MAX_PHYS_ADDRESS	(1UL << MAX_PHYS_ADDRESS_BITS)
 
 
 
 
 
 
12
13extern unsigned long kern_linear_pte_xor[4];
 
14extern unsigned int sparc64_highest_unlocked_tlb_ent;
15extern unsigned long sparc64_kern_pri_context;
16extern unsigned long sparc64_kern_pri_nuc_bits;
17extern unsigned long sparc64_kern_sec_context;
18void mmu_info(struct seq_file *m);
19
20struct linux_prom_translation {
21	unsigned long virt;
22	unsigned long size;
23	unsigned long data;
24};
25
26/* Exported for kernel TLB miss handling in ktlb.S */
27extern struct linux_prom_translation prom_trans[512];
28extern unsigned int prom_trans_ents;
29
30/* Exported for SMP bootup purposes. */
31extern unsigned long kern_locked_tte_data;
32
33void prom_world(int enter);
 
 
 
 
 
 
 
 
 
 
 
34
35#endif /* _SPARC64_MM_INIT_H */

 
 1#ifndef _SPARC64_MM_INIT_H
 2#define _SPARC64_MM_INIT_H
 3
 4#include <asm/page.h>
 5
 6/* Most of the symbols in this file are defined in init.c and
 7 * marked non-static so that assembler code can get at them.
 8 */
 9
10#define MAX_PHYS_ADDRESS	(1UL << MAX_PHYS_ADDRESS_BITS)
11#define KPTE_BITMAP_CHUNK_SZ		(256UL * 1024UL * 1024UL)
12#define KPTE_BITMAP_BYTES	\
13	((MAX_PHYS_ADDRESS / KPTE_BITMAP_CHUNK_SZ) / 4)
14#define VALID_ADDR_BITMAP_CHUNK_SZ	(4UL * 1024UL * 1024UL)
15#define VALID_ADDR_BITMAP_BYTES	\
16	((MAX_PHYS_ADDRESS / VALID_ADDR_BITMAP_CHUNK_SZ) / 8)
17
18extern unsigned long kern_linear_pte_xor[4];
19extern unsigned long kpte_linear_bitmap[KPTE_BITMAP_BYTES / sizeof(unsigned long)];
20extern unsigned int sparc64_highest_unlocked_tlb_ent;
21extern unsigned long sparc64_kern_pri_context;
22extern unsigned long sparc64_kern_pri_nuc_bits;
23extern unsigned long sparc64_kern_sec_context;
24extern void mmu_info(struct seq_file *m);
25
26struct linux_prom_translation {
27	unsigned long virt;
28	unsigned long size;
29	unsigned long data;
30};
31
32/* Exported for kernel TLB miss handling in ktlb.S */
33extern struct linux_prom_translation prom_trans[512];
34extern unsigned int prom_trans_ents;
35
36/* Exported for SMP bootup purposes. */
37extern unsigned long kern_locked_tte_data;
38
39extern void prom_world(int enter);
40
41#ifdef CONFIG_SPARSEMEM_VMEMMAP
42#define VMEMMAP_CHUNK_SHIFT	22
43#define VMEMMAP_CHUNK		(1UL << VMEMMAP_CHUNK_SHIFT)
44#define VMEMMAP_CHUNK_MASK	~(VMEMMAP_CHUNK - 1UL)
45#define VMEMMAP_ALIGN(x)	(((x)+VMEMMAP_CHUNK-1UL)&VMEMMAP_CHUNK_MASK)
46
47#define VMEMMAP_SIZE	((((1UL << MAX_PHYSADDR_BITS) >> PAGE_SHIFT) * \
48			  sizeof(struct page)) >> VMEMMAP_CHUNK_SHIFT)
49extern unsigned long vmemmap_table[VMEMMAP_SIZE];
50#endif
51
52#endif /* _SPARC64_MM_INIT_H */