| /kernel/trunk/arch/sparc64/_link.ld.in |
|---|
| 7,11 → 7,12 |
| */ |
| #define __ASM__ |
| #include <arch/boot/boot.h> |
| ENTRY(kernel_image_start) |
| SECTIONS { |
| .image 0x4000: AT (0x4000) { |
| .image VMA: AT (LMA) { |
| ktext_start = .; |
| *(K_TEXT_START) |
| *(.text); |
| 30,7 → 31,7 |
| hardcoded_kdata_size = .; |
| QUAD(kdata_end - kdata_start); |
| hardcoded_load_address = .; |
| QUAD(0x4000); |
| QUAD(VMA); |
| *(.bss); /* uninitialized static variables */ |
| *(COMMON); /* global variables */ |
| /kernel/trunk/arch/sparc64/include/boot/boot.h |
|---|
| 0,0 → 1,36 |
| /* |
| * Copyright (C) 2006 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. |
| */ |
| #ifndef __sparc64_BOOT_H__ |
| #define __sparc64_BOOT_H__ |
| #define BOOT_OFFSET 0x4000 |
| #define VMA 0x400000 |
| #define LMA BOOT_OFFSET |
| #endif |
| /kernel/trunk/arch/sparc64/src/mm/tlb.c |
|---|
| 62,8 → 62,7 |
| dmmu_disable(); |
| /* |
| * For simplicity, we do identity mapping of first 4M of memory. |
| * The very next change should be leaving the first 4M unmapped. |
| * We do identity mapping of 4M-page at 4M. |
| */ |
| tag.value = 0; |
| tag.vpn = pg.vpn; |
| /kernel/trunk/arch/sparc64/src/start.S |
|---|
| 26,6 → 26,8 |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| #include <arch/boot/boot.h> |
| .register %g2, #scratch |
| .register %g3, #scratch |
| .register %g6, #scratch |
| 50,6 → 52,41 |
| .align 8 |
| 1: |
| flushw ! flush all but the active register window |
| /* |
| * Prepare to copy the kernel image to 4M. |
| */ |
| set LMA, %g1 ! source address |
| set VMA, %g2 ! destination address (VMA) |
| set hardcoded_ktext_size, %g3 ! link address of hardcoded_ktext_size |
| set hardcoded_kdata_size, %g4 ! link address of hardcoded_kdata_size |
| sub %g3, %g2, %g3 ! offset of hardcoded_ktext_size from the beginning of the load address |
| sub %g4, %g2, %g4 ! offset of hardcoded_kdata_size from the beginning of the load address |
| ldx [%g3 + %g1], %g3 ! hardcoded_ktext_size -> %g3 |
| ldx [%g4 + %g1], %g4 ! hardcoded_kdata_size -> %g4 |
| add %g3, %g4, %g3 ! size of kernel text and data |
| /* |
| * Start copying the kernel from higher addresses towards lower addresses. |
| */ |
| 2: dec %g3 |
| ldub [%g1 + %g3], %g4 |
| stb %g4, [%g2 + %g3] |
| cmp %g3, 0 |
| bnz 2b |
| nop |
| set relocated, %g1 |
| jmp %g1 |
| nop |
| relocated: |
| set ofw, %l0 |
| call ofw_init |