| 42,9 → 42,16 |
|---|
| #include <mm/frame.h> |
| #include <sysinfo/sysinfo.h> |
| #include <ddi/ddi.h> |
| #include <print.h> |
| #include <align.h> |
| |
| static parea_t rd_parea; /**< Physical memory area for rd. */ |
| |
| /** |
| * RAM disk initialization routine. At this point, the RAM disk memory is shared |
| * and information about the share is provided as sysinfo values to the userspace |
| * tasks. |
| */ |
| int init_rd(rd_header * header, size_t size) |
| { |
| /* Identify RAM disk */ |
| 74,6 → 81,9 |
|---|
| if ((hsize % FRAME_SIZE) || (dsize % FRAME_SIZE)) |
| return RE_UNSUPPORTED; |
| |
| if (dsize % FRAME_SIZE) |
| return RE_UNSUPPORTED; |
| |
| if (hsize > size) |
| return RE_INVALID; |
| |
| 80,7 → 90,7 |
|---|
| if ((uint64_t) hsize + dsize > size) |
| dsize = size - hsize; |
| |
| rd_parea.pbase = KA2PA((void *) header + hsize); |
| rd_parea.pbase = ALIGN_DOWN((uintptr_t) KA2PA((void *) header + hsize), FRAME_SIZE); |
| rd_parea.vbase = (uintptr_t) ((void *) header + hsize); |
| rd_parea.frames = SIZE2FRAMES(dsize); |
| rd_parea.cacheable = true; |
| 87,6 → 97,7 |
|---|
| ddi_parea_register(&rd_parea); |
| |
| sysinfo_set_item_val("rd", NULL, true); |
| sysinfo_set_item_val("rd.header_size", NULL, hsize); |
| sysinfo_set_item_val("rd.size", NULL, dsize); |
| sysinfo_set_item_val("rd.address.physical", NULL, (unative_t) |
| KA2PA((void *) header + hsize)); |