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| Rev 1266 | Rev 1380 | ||
|---|---|---|---|
| Line 33... | Line 33... | ||
| 33 | 33 | ||
| 34 | #include <genarch/mm/page_pt.h> |
34 | #include <genarch/mm/page_pt.h> |
| 35 | #include <mm/page.h> |
35 | #include <mm/page.h> |
| 36 | #include <mm/frame.h> |
36 | #include <mm/frame.h> |
| 37 | #include <mm/as.h> |
37 | #include <mm/as.h> |
| - | 38 | #include <synch/mutex.h> |
|
| 38 | #include <arch/mm/page.h> |
39 | #include <arch/mm/page.h> |
| 39 | #include <arch/mm/as.h> |
40 | #include <arch/mm/as.h> |
| 40 | #include <arch/types.h> |
41 | #include <arch/types.h> |
| 41 | #include <typedefs.h> |
42 | #include <typedefs.h> |
| 42 | #include <memstr.h> |
43 | #include <memstr.h> |
| Line 76... | Line 77... | ||
| 76 | /* |
77 | /* |
| 77 | * Copy the kernel address space portion to new PTL0. |
78 | * Copy the kernel address space portion to new PTL0. |
| 78 | */ |
79 | */ |
| 79 | 80 | ||
| 80 | ipl = interrupts_disable(); |
81 | ipl = interrupts_disable(); |
| 81 | spinlock_lock(&AS_KERNEL->lock); |
82 | mutex_lock(&AS_KERNEL->lock); |
| 82 | src_ptl0 = (pte_t *) PA2KA((__address) AS_KERNEL->page_table); |
83 | src_ptl0 = (pte_t *) PA2KA((__address) AS_KERNEL->page_table); |
| 83 | 84 | ||
| 84 | src = (__address) &src_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
85 | src = (__address) &src_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
| 85 | dst = (__address) &dst_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
86 | dst = (__address) &dst_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
| 86 | 87 | ||
| 87 | memsetb((__address) dst_ptl0, PAGE_SIZE, 0); |
88 | memsetb((__address) dst_ptl0, PAGE_SIZE, 0); |
| 88 | memcpy((void *) dst, (void *) src, PAGE_SIZE - (src - (__address) src_ptl0)); |
89 | memcpy((void *) dst, (void *) src, PAGE_SIZE - (src - (__address) src_ptl0)); |
| 89 | spinlock_unlock(&AS_KERNEL->lock); |
90 | mutex_unlock(&AS_KERNEL->lock); |
| 90 | interrupts_restore(ipl); |
91 | interrupts_restore(ipl); |
| 91 | } |
92 | } |
| 92 | 93 | ||
| 93 | return (pte_t *) KA2PA((__address) dst_ptl0); |
94 | return (pte_t *) KA2PA((__address) dst_ptl0); |
| 94 | } |
95 | } |
| Line 102... | Line 103... | ||
| 102 | * @param lock If false, do not attempt to lock the address space. |
103 | * @param lock If false, do not attempt to lock the address space. |
| 103 | */ |
104 | */ |
| 104 | void pt_lock(as_t *as, bool lock) |
105 | void pt_lock(as_t *as, bool lock) |
| 105 | { |
106 | { |
| 106 | if (lock) |
107 | if (lock) |
| 107 | spinlock_lock(&as->lock); |
108 | mutex_lock(&as->lock); |
| 108 | } |
109 | } |
| 109 | 110 | ||
| 110 | /** Unlock page tables. |
111 | /** Unlock page tables. |
| 111 | * |
112 | * |
| 112 | * Unlock the address space. |
113 | * Unlock the address space. |
| Line 116... | Line 117... | ||
| 116 | * @param unlock If false, do not attempt to unlock the address space. |
117 | * @param unlock If false, do not attempt to unlock the address space. |
| 117 | */ |
118 | */ |
| 118 | void pt_unlock(as_t *as, bool unlock) |
119 | void pt_unlock(as_t *as, bool unlock) |
| 119 | { |
120 | { |
| 120 | if (unlock) |
121 | if (unlock) |
| 121 | spinlock_unlock(&as->lock); |
122 | mutex_unlock(&as->lock); |
| 122 | } |
123 | } |