/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 |