| 0,0 → 1,66 |
|---|
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| |
| #include <mm/frame.h> |
| #include <arch/mm/frame.h> |
| #include <mm/as.h> |
| #include <config.h> |
| #include <arch/boot/boot.h> |
| #include <arch/boot/memmap.h> |
| #include <panic.h> |
| #include <debug.h> |
| #include <align.h> |
| |
| size_t hardcoded_unmapped_ktext_size = 0; |
| size_t hardcoded_unmapped_kdata_size = 0; |
| |
| __address last_frame = 0; |
| |
| void frame_arch_init(void) |
| { |
| __u8 i; |
| |
| if (config.cpu_active == 1) { |
| |
| /* Reserve frame 0 (BIOS data) */ |
| frame_region_not_free(0, FRAME_SIZE); |
| |
| #ifdef CONFIG_SMP |
| /* Reserve AP real mode bootstrap memory */ |
| frame_region_not_free(AP_BOOT_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
| #endif |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
| zone_create_in_region(e820table[i].base_address, e820table[i].size & ~(FRAME_SIZE-1)); |
| if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
| last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
| } |
| } |
| } |
| } |