| 0,0 → 1,86 |
|---|
| /* |
| * Copyright (c) 2005 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup sparc64mm |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <arch/mm/frame.h> |
| #include <mm/frame.h> |
| #include <arch/boot/boot.h> |
| #include <arch/types.h> |
| #include <config.h> |
| #include <align.h> |
| #include <macros.h> |
| |
| uintptr_t last_frame = NULL; |
| |
| /** Create memory zones according to information stored in bootinfo. |
| * |
| * Walk the bootinfo memory map and create frame zones according to it. |
| */ |
| void frame_arch_init(void) |
| { |
| unsigned int i; |
| pfn_t confdata; |
| |
| if (config.cpu_active == 1) { |
| for (i = 0; i < bootinfo.memmap.count; i++) { |
| uintptr_t start = bootinfo.memmap.zones[i].start; |
| size_t size = bootinfo.memmap.zones[i].size; |
| |
| /* |
| * The memmap is created by HelenOS boot loader. |
| * It already contains no holes. |
| */ |
| |
| confdata = ADDR2PFN(start); |
| if (confdata == ADDR2PFN(KA2PA(PFN2ADDR(0)))) |
| confdata = ADDR2PFN(KA2PA(PFN2ADDR(2))); |
| zone_create(ADDR2PFN(start), |
| SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)), |
| confdata, 0); |
| last_frame = max(last_frame, start + ALIGN_UP(size, |
| FRAME_SIZE)); |
| } |
| |
| /* |
| * On sparc64, physical memory can start on a non-zero address. |
| * The generic frame_init() only marks PFN 0 as not free, so we |
| * must mark the physically first frame not free explicitly |
| * here, no matter what is its address. |
| */ |
| frame_mark_unavailable(ADDR2PFN(KA2PA(PFN2ADDR(0))), 1); |
| } |
| |
| } |
| |
| /** @} |
| */ |