| 33,22 → 33,37 |
|---|
| */ |
| |
| #include <arch/mm/frame.h> |
| #include <genarch/ofw/memory_init.h> |
| #include <mm/frame.h> |
| #include <arch/boot/boot.h> |
| #include <config.h> |
| #include <align.h> |
| |
| /** Create memory zones according to information stored in bootinfo. |
| * |
| * Walk the bootinfo memory map and create frame zones according to it. |
| * The first frame is not blacklisted here as it is done in generic |
| * frame_init(). |
| */ |
| void frame_arch_init(void) |
| { |
| ofw_init_zones(); |
| int i; |
| pfn_t confdata; |
| |
| /* |
| * Workaround to prevent slab allocator from allocating frame 0. |
| * Frame 0 is |
| * a) not mapped by OFW |
| * b) would be confused with NULL error return code |
| */ |
| frame_mark_unavailable(0, 1); |
| for (i = 0; i < bootinfo.memmap.count; i++) { |
| |
| /* |
| * The memmap is created by HelenOS boot loader. |
| * It already contains no holes. |
| */ |
| |
| confdata = ADDR2PFN(bootinfo.memmap.zones[i].start); |
| if (confdata == 0) |
| confdata = 2; |
| zone_create(ADDR2PFN(bootinfo.memmap.zones[i].start), |
| SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, PAGE_SIZE)), |
| confdata, 0); |
| } |
| |
| } |
| |
| /** @} |