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| Rev 2925 | Rev 3042 | ||
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| Line 40... | Line 40... | ||
| 40 | #include <lib/rd.h> |
40 | #include <lib/rd.h> |
| 41 | #include <byteorder.h> |
41 | #include <byteorder.h> |
| 42 | #include <mm/frame.h> |
42 | #include <mm/frame.h> |
| 43 | #include <sysinfo/sysinfo.h> |
43 | #include <sysinfo/sysinfo.h> |
| 44 | #include <ddi/ddi.h> |
44 | #include <ddi/ddi.h> |
| 45 | #include <print.h> |
- | |
| 46 | #include <align.h> |
45 | #include <align.h> |
| 47 | 46 | ||
| 48 | static parea_t rd_parea; /**< Physical memory area for rd. */ |
47 | static parea_t rd_parea; /**< Physical memory area for rd. */ |
| 49 | 48 | ||
| 50 | /** |
49 | /** |
| 51 | * RAM disk initialization routine. At this point, the RAM disk memory is shared |
50 | * RAM disk initialization routine. At this point, the RAM disk memory is shared |
| 52 | * and information about the share is provided as sysinfo values to the userspace |
51 | * and information about the share is provided as sysinfo values to the userspace |
| 53 | * tasks. |
52 | * tasks. |
| 54 | */ |
53 | */ |
| 55 | int init_rd(rd_header * header, size_t size) |
54 | int init_rd(rd_header_t *header, size_t size) |
| 56 | { |
55 | { |
| 57 | /* Identify RAM disk */ |
56 | /* Identify RAM disk */ |
| 58 | if ((header->magic[0] != RD_MAG0) || (header->magic[1] != RD_MAG1) || |
57 | if ((header->magic[0] != RD_MAG0) || (header->magic[1] != RD_MAG1) || |
| 59 | (header->magic[2] != RD_MAG2) || (header->magic[3] != RD_MAG3)) |
58 | (header->magic[2] != RD_MAG2) || (header->magic[3] != RD_MAG3)) |
| 60 | return RE_INVALID; |
59 | return RE_INVALID; |
| Line 78... | Line 77... | ||
| 78 | return RE_UNSUPPORTED; |
77 | return RE_UNSUPPORTED; |
| 79 | } |
78 | } |
| 80 | 79 | ||
| 81 | if ((hsize % FRAME_SIZE) || (dsize % FRAME_SIZE)) |
80 | if ((hsize % FRAME_SIZE) || (dsize % FRAME_SIZE)) |
| 82 | return RE_UNSUPPORTED; |
81 | return RE_UNSUPPORTED; |
| 83 | 82 | ||
| 84 | if (dsize % FRAME_SIZE) |
- | |
| 85 | return RE_UNSUPPORTED; |
- | |
| 86 | - | ||
| 87 | if (hsize > size) |
83 | if (hsize > size) |
| 88 | return RE_INVALID; |
84 | return RE_INVALID; |
| 89 | 85 | ||
| 90 | if ((uint64_t) hsize + dsize > size) |
86 | if ((uint64_t) hsize + dsize > size) |
| 91 | dsize = size - hsize; |
87 | dsize = size - hsize; |