| /kernel/trunk/arch/mips32/include/boot.h |
|---|
| 0,0 → 1,48 |
| /* |
| * Copyright (C) 2006 Martin Decky |
| * 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. |
| */ |
| #ifndef __mips32_BOOT_H__ |
| #define __mips32_BOOT_H__ |
| #define TASKMAP_MAX_RECORDS 32 |
| #include <arch/types.h> |
| typedef struct { |
| __address addr; |
| __u32 size; |
| } utask_t; |
| typedef struct { |
| __u32 cnt; |
| utask_t tasks[TASKMAP_MAX_RECORDS]; |
| } bootinfo_t; |
| extern bootinfo_t bootinfo; |
| #endif |
| /kernel/trunk/arch/mips32/src/start.S |
|---|
| 182,10 → 182,35 |
| /* Load temporary stack */ |
| lui $sp, %hi(end_stack) |
| ori $sp, $sp, %lo(end_stack) |
| /* $a1 contains physical address of bootinfo_t */ |
| /* $a2 contains size of bootinfo_t */ |
| beq $a2, $0, bootinfo_end |
| /* Not sure about this, but might be needed for PIC code???? */ |
| lui $gp, 0x8000 |
| lui $a3, 0x8000 |
| addu $a1, $a1, $a3 |
| lui $a3, %hi(bootinfo) |
| ori $a3, $a3, %lo(bootinfo) |
| bootinfo_loop: |
| lw $v0, 0($a1) |
| sw $v0, 0($a3) |
| addi $a1, $a1, 4 |
| addi $a3, $a3, 4 |
| addi $a2, $a2, -4 |
| bgtz $a2, bootinfo_loop |
| nop |
| bootinfo_end: |
| jal arch_pre_main |
| nop |
| /kernel/trunk/arch/mips32/src/mips32.c |
|---|
| 28,6 → 28,7 |
| #include <arch.h> |
| #include <arch/boot.h> |
| #include <arch/cp0.h> |
| #include <arch/exception.h> |
| #include <arch/asm.h> |
| 60,26 → 61,19 |
| #define NORM_EXC ((char *) 0x80000180) |
| #define CACHE_EXC ((char *) 0x80000100) |
| bootinfo_t bootinfo; |
| void arch_pre_main(void) |
| { |
| /* Setup usermode */ |
| init.cnt = 8; |
| init.tasks[0].addr = INIT_ADDRESS; |
| init.tasks[0].size = INIT_SIZE; |
| init.tasks[1].addr = INIT_ADDRESS + 0x100000; |
| init.tasks[1].size = INIT_SIZE; |
| init.tasks[2].addr = INIT_ADDRESS + 0x200000; |
| init.tasks[2].size = INIT_SIZE; |
| init.tasks[3].addr = INIT_ADDRESS + 0x300000; |
| init.tasks[3].size = INIT_SIZE; |
| init.tasks[4].addr = INIT_ADDRESS + 0x400000; |
| init.tasks[4].size = INIT_SIZE; |
| init.tasks[5].addr = INIT_ADDRESS + 0x500000; |
| init.tasks[5].size = INIT_SIZE; |
| init.tasks[6].addr = INIT_ADDRESS + 0x600000; |
| init.tasks[6].size = INIT_SIZE; |
| init.tasks[7].addr = INIT_ADDRESS + 0x700000; |
| init.tasks[7].size = INIT_SIZE; |
| init.cnt = bootinfo.cnt; |
| __u32 i; |
| for (i = 0; i < bootinfo.cnt; i++) { |
| init.tasks[i].addr = bootinfo.tasks[i].addr; |
| init.tasks[i].size = bootinfo.tasks[i].size; |
| } |
| } |
| void arch_pre_mm_init(void) |