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| Rev 3424 | Rev 3425 | ||
|---|---|---|---|
| Line 45... | Line 45... | ||
| 45 | } |
45 | } |
| 46 | 46 | ||
| 47 | 47 | ||
| 48 | uintptr_t hw_map(uintptr_t physaddr, size_t size) |
48 | uintptr_t hw_map(uintptr_t physaddr, size_t size) |
| 49 | { |
49 | { |
| 50 | if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) |
50 | if (last_frame + ALIGN_UP(size, PAGE_SIZE) > |
| - | 51 | KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) |
|
| 51 | panic("Unable to map physical memory %p (%" PRIs " bytes)", physaddr, size) |
52 | panic("Unable to map physical memory %p (%" PRIs " bytes)", |
| - | 53 | physaddr, size) |
|
| 52 | 54 | ||
| 53 | uintptr_t virtaddr = PA2KA(last_frame); |
55 | uintptr_t virtaddr = PA2KA(last_frame); |
| 54 | pfn_t i; |
56 | pfn_t i; |
| 55 | for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) |
57 | for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) |
| - | 58 | page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), |
|
| 56 | page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE); |
59 | physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE); |
| 57 | 60 | ||
| 58 | last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
61 | last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
| 59 | 62 | ||
| 60 | return virtaddr; |
63 | return virtaddr; |
| 61 | } |
64 | } |