diff options
Diffstat (limited to 'arch/m68k')
-rw-r--r-- | arch/m68k/include/asm/mcf_pgtable.h | 3 | ||||
-rw-r--r-- | arch/m68k/mm/mcfmmu.c | 9 | ||||
-rw-r--r-- | arch/m68k/platform/coldfire/entry.S | 4 |
3 files changed, 8 insertions, 8 deletions
diff --git a/arch/m68k/include/asm/mcf_pgtable.h b/arch/m68k/include/asm/mcf_pgtable.h index 756bde4fb4f8..3c793682e5d9 100644 --- a/arch/m68k/include/asm/mcf_pgtable.h +++ b/arch/m68k/include/asm/mcf_pgtable.h | |||
@@ -78,7 +78,8 @@ | |||
78 | | CF_PAGE_READABLE \ | 78 | | CF_PAGE_READABLE \ |
79 | | CF_PAGE_WRITABLE \ | 79 | | CF_PAGE_WRITABLE \ |
80 | | CF_PAGE_EXEC \ | 80 | | CF_PAGE_EXEC \ |
81 | | CF_PAGE_SYSTEM) | 81 | | CF_PAGE_SYSTEM \ |
82 | | CF_PAGE_SHARED) | ||
82 | 83 | ||
83 | #define PAGE_COPY __pgprot(CF_PAGE_VALID \ | 84 | #define PAGE_COPY __pgprot(CF_PAGE_VALID \ |
84 | | CF_PAGE_ACCESSED \ | 85 | | CF_PAGE_ACCESSED \ |
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index babd5a97cdcb..875b800ef0dd 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c | |||
@@ -87,7 +87,7 @@ void __init paging_init(void) | |||
87 | 87 | ||
88 | int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) | 88 | int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) |
89 | { | 89 | { |
90 | unsigned long flags, mmuar; | 90 | unsigned long flags, mmuar, mmutr; |
91 | struct mm_struct *mm; | 91 | struct mm_struct *mm; |
92 | pgd_t *pgd; | 92 | pgd_t *pgd; |
93 | pmd_t *pmd; | 93 | pmd_t *pmd; |
@@ -137,9 +137,10 @@ int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word) | |||
137 | if (!pte_dirty(*pte) && !KMAPAREA(mmuar)) | 137 | if (!pte_dirty(*pte) && !KMAPAREA(mmuar)) |
138 | set_pte(pte, pte_wrprotect(*pte)); | 138 | set_pte(pte, pte_wrprotect(*pte)); |
139 | 139 | ||
140 | mmu_write(MMUTR, (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | | 140 | mmutr = (mmuar & PAGE_MASK) | (asid << MMUTR_IDN) | MMUTR_V; |
141 | (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK) | 141 | if ((mmuar < TASK_UNMAPPED_BASE) || (mmuar >= TASK_SIZE)) |
142 | >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V); | 142 | mmutr |= (pte->pte & CF_PAGE_MMUTR_MASK) >> CF_PAGE_MMUTR_SHIFT; |
143 | mmu_write(MMUTR, mmutr); | ||
143 | 144 | ||
144 | mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) | | 145 | mmu_write(MMUDR, (pte_val(*pte) & PAGE_MASK) | |
145 | ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X); | 146 | ((pte->pte) & CF_PAGE_MMUDR_MASK) | MMUDR_SZ_8KB | MMUDR_X); |
diff --git a/arch/m68k/platform/coldfire/entry.S b/arch/m68k/platform/coldfire/entry.S index 863889fc31c9..281e38c2b6c7 100644 --- a/arch/m68k/platform/coldfire/entry.S +++ b/arch/m68k/platform/coldfire/entry.S | |||
@@ -136,7 +136,7 @@ Luser_return: | |||
136 | movel %sp,%d1 /* get thread_info pointer */ | 136 | movel %sp,%d1 /* get thread_info pointer */ |
137 | andl #-THREAD_SIZE,%d1 /* at base of kernel stack */ | 137 | andl #-THREAD_SIZE,%d1 /* at base of kernel stack */ |
138 | movel %d1,%a0 | 138 | movel %d1,%a0 |
139 | movel %a0@(TINFO_FLAGS),%d1 /* get thread_info->flags */ | 139 | moveb %a0@(TINFO_FLAGS+3),%d1 /* thread_info->flags (low 8 bits) */ |
140 | jne Lwork_to_do /* still work to do */ | 140 | jne Lwork_to_do /* still work to do */ |
141 | 141 | ||
142 | Lreturn: | 142 | Lreturn: |
@@ -148,8 +148,6 @@ Lwork_to_do: | |||
148 | btst #TIF_NEED_RESCHED,%d1 | 148 | btst #TIF_NEED_RESCHED,%d1 |
149 | jne reschedule | 149 | jne reschedule |
150 | 150 | ||
151 | /* GERG: do we need something here for TRACEing?? */ | ||
152 | |||
153 | Lsignal_return: | 151 | Lsignal_return: |
154 | subql #4,%sp /* dummy return address */ | 152 | subql #4,%sp /* dummy return address */ |
155 | SAVE_SWITCH_STACK | 153 | SAVE_SWITCH_STACK |