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| Rev 4344 | Rev 4691 | ||
|---|---|---|---|
| Line 95... | Line 95... | ||
| 95 | * is no task matching the specified ID or the physical address space |
95 | * is no task matching the specified ID or the physical address space |
| 96 | * is not enabled for mapping and ENOMEM if there was a problem in |
96 | * is not enabled for mapping and ENOMEM if there was a problem in |
| 97 | * creating address space area. |
97 | * creating address space area. |
| 98 | * |
98 | * |
| 99 | */ |
99 | */ |
| 100 | static int ddi_physmem_map(uintptr_t pf, uintptr_t vp, count_t pages, int flags) |
100 | static int ddi_physmem_map(uintptr_t pf, uintptr_t vp, size_t pages, int flags) |
| 101 | { |
101 | { |
| 102 | ASSERT(TASK); |
102 | ASSERT(TASK); |
| 103 | ASSERT((pf % FRAME_SIZE) == 0); |
103 | ASSERT((pf % FRAME_SIZE) == 0); |
| 104 | ASSERT((vp % PAGE_SIZE) == 0); |
104 | ASSERT((vp % PAGE_SIZE) == 0); |
| 105 | 105 | ||
| Line 116... | Line 116... | ||
| 116 | 116 | ||
| 117 | ipl_t ipl = interrupts_disable(); |
117 | ipl_t ipl = interrupts_disable(); |
| 118 | 118 | ||
| 119 | /* Find the zone of the physical memory */ |
119 | /* Find the zone of the physical memory */ |
| 120 | spinlock_lock(&zones.lock); |
120 | spinlock_lock(&zones.lock); |
| 121 | count_t znum = find_zone(ADDR2PFN(pf), pages, 0); |
121 | size_t znum = find_zone(ADDR2PFN(pf), pages, 0); |
| 122 | 122 | ||
| 123 | if (znum == (count_t) -1) { |
123 | if (znum == (size_t) -1) { |
| 124 | /* Frames not found in any zones |
124 | /* Frames not found in any zones |
| 125 | * -> assume it is hardware device and allow mapping |
125 | * -> assume it is hardware device and allow mapping |
| 126 | */ |
126 | */ |
| 127 | spinlock_unlock(&zones.lock); |
127 | spinlock_unlock(&zones.lock); |
| 128 | goto map; |
128 | goto map; |
| Line 240... | Line 240... | ||
| 240 | unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
240 | unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
| 241 | unative_t pages, unative_t flags) |
241 | unative_t pages, unative_t flags) |
| 242 | { |
242 | { |
| 243 | return (unative_t) ddi_physmem_map(ALIGN_DOWN((uintptr_t) phys_base, |
243 | return (unative_t) ddi_physmem_map(ALIGN_DOWN((uintptr_t) phys_base, |
| 244 | FRAME_SIZE), ALIGN_DOWN((uintptr_t) virt_base, PAGE_SIZE), |
244 | FRAME_SIZE), ALIGN_DOWN((uintptr_t) virt_base, PAGE_SIZE), |
| 245 | (count_t) pages, (int) flags); |
245 | (size_t) pages, (int) flags); |
| 246 | } |
246 | } |
| 247 | 247 | ||
| 248 | /** Wrapper for SYS_ENABLE_IOSPACE syscall. |
248 | /** Wrapper for SYS_ENABLE_IOSPACE syscall. |
| 249 | * |
249 | * |
| 250 | * @param uspace_io_arg User space address of DDI argument structure. |
250 | * @param uspace_io_arg User space address of DDI argument structure. |