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Diffstat (limited to 'include/asm-mips/pgtable-64.h')
-rw-r--r--include/asm-mips/pgtable-64.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index 7e7320300aa3..a5b18710b6a4 100644
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -14,6 +14,7 @@
14#include <asm/addrspace.h> 14#include <asm/addrspace.h>
15#include <asm/page.h> 15#include <asm/page.h>
16#include <asm/cachectl.h> 16#include <asm/cachectl.h>
17#include <asm/fixmap.h>
17 18
18#include <asm-generic/pgtable-nopud.h> 19#include <asm-generic/pgtable-nopud.h>
19 20
@@ -103,6 +104,13 @@
103#define VMALLOC_START MAP_BASE 104#define VMALLOC_START MAP_BASE
104#define VMALLOC_END \ 105#define VMALLOC_END \
105 (VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE) 106 (VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE)
107#if defined(CONFIG_MODULES) && !defined(CONFIG_BUILD_ELF64) && \
108 VMALLOC_START != CKSSEG
109/* Load modules into 32bit-compatible segment. */
110#define MODULE_START CKSSEG
111#define MODULE_END (FIXADDR_START-2*PAGE_SIZE)
112extern pgd_t module_pg_dir[PTRS_PER_PGD];
113#endif
106 114
107#define pte_ERROR(e) \ 115#define pte_ERROR(e) \
108 printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e)) 116 printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))
@@ -174,7 +182,12 @@ static inline void pud_clear(pud_t *pudp)
174#define __pmd_offset(address) pmd_index(address) 182#define __pmd_offset(address) pmd_index(address)
175 183
176/* to find an entry in a kernel page-table-directory */ 184/* to find an entry in a kernel page-table-directory */
185#ifdef MODULE_START
186#define pgd_offset_k(address) \
187 ((address) >= MODULE_START ? module_pg_dir : pgd_offset(&init_mm, 0UL))
188#else
177#define pgd_offset_k(address) pgd_offset(&init_mm, 0UL) 189#define pgd_offset_k(address) pgd_offset(&init_mm, 0UL)
190#endif
178 191
179#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) 192#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
180#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) 193#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
@@ -199,9 +212,9 @@ static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address)
199#define __pte_offset(address) \ 212#define __pte_offset(address) \
200 (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) 213 (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
201#define pte_offset(dir, address) \ 214#define pte_offset(dir, address) \
202 ((pte_t *) (pmd_page_vaddr(*dir)) + __pte_offset(address)) 215 ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
203#define pte_offset_kernel(dir, address) \ 216#define pte_offset_kernel(dir, address) \
204 ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) 217 ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
205#define pte_offset_map(dir, address) \ 218#define pte_offset_map(dir, address) \
206 ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) 219 ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
207#define pte_offset_map_nested(dir, address) \ 220#define pte_offset_map_nested(dir, address) \