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/trunk/boot/arch/ppc64/loader/boot.S
0,0 → 1,42
#
# 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.
#
 
#include "regname.h"
 
.section BOOTSTRAP, "ax"
 
.global start
 
start:
lis r4, ofw_cif@ha
addi r4, r4, ofw_cif@l
stw r5, 0(r4)
bl init
b bootstrap
/trunk/boot/arch/ppc64/loader/ofw.c
0,0 → 1,67
/*
* Copyright (C) 2005 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.
*/
#include <ofw.h>
#include <printf.h>
 
typedef int (* ofw_entry_t)(ofw_args_t *args);
 
int ofw(ofw_args_t *args)
{
return ((ofw_entry_t) ofw_cif)(args);
}
 
void write(const char *str, const int len)
{
ofw_write(str, len);
}
 
int ofw_keyboard(keyboard_t *keyboard)
{
char device_name[BUF_SIZE];
if (ofw_get_property(ofw_aliases, "macio", device_name, sizeof(device_name)) <= 0)
return false;
phandle device = ofw_find_device(device_name);
if (device == -1)
return false;
pci_reg_t macio;
if (ofw_get_property(device, "assigned-addresses", &macio, sizeof(macio)) <= 0)
return false;
keyboard->addr = (void *) macio.addr.addr_lo;
keyboard->size = macio.size_lo;
 
return true;
}
 
int ofw_translate_failed(ofw_arg_t flag)
{
return 0;
}
/trunk/boot/arch/ppc64/loader/types.h
0,0 → 1,44
/*
* 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 TYPES_H__
#define TYPES_H__
 
#include <gentypes.h>
 
typedef signed char int8_t;
 
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long uint64_t;
 
typedef uint64_t uintptr_t;
typedef uint64_t unative_t;
 
#endif
/trunk/boot/arch/ppc64/loader/main.c
0,0 → 1,154
/*
* Copyright (C) 2005 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.
*/
 
#include "main.h"
#include <printf.h>
#include "asm.h"
#include "_components.h"
 
#define HEAP_GAP 1024000
 
bootinfo_t bootinfo;
 
 
static void check_align(const void *addr, const char *desc)
{
if ((unsigned long) addr % PAGE_SIZE != 0) {
printf("Error: %s not on page boundary, halting.\n", desc);
halt();
}
}
 
 
static void fix_overlap(void *va, void **pa, const char *desc, unsigned long *top)
{
if ((unsigned long) *pa + PAGE_SIZE < *top) {
printf("Warning: %s overlaps kernel physical area\n", desc);
void *new_va = (void *) (ALIGN_UP((unsigned long) KERNEL_END + HEAP_GAP, PAGE_SIZE) + *top);
void *new_pa = (void *) (HEAP_GAP + *top);
*top += PAGE_SIZE;
if (ofw_map(new_pa, new_va, PAGE_SIZE, 0) != 0) {
printf("Error: Unable to map page aligned memory at %L (physical %L), halting.\n", new_va, new_pa);
halt();
}
if ((unsigned long) new_pa + PAGE_SIZE < KERNEL_SIZE) {
printf("Error: %s cannot be relocated, halting.\n", desc);
halt();
}
printf("Relocating %L -> %L (physical %L -> %L)\n", va, new_va, *pa, new_pa);
*pa = new_pa;
memcpy(new_va, va, PAGE_SIZE);
}
}
 
 
void bootstrap(void)
{
printf("\nHelenOS PPC Bootloader\n");
init_components();
unsigned int i;
for (i = 0; i < COMPONENTS; i++)
check_align(components[i].start, components[i].name);
check_align(&real_mode, "bootstrap trampoline");
check_align(&trans, "translation table");
if (!ofw_memmap(&bootinfo.memmap)) {
printf("Error: unable to get memory map, halting.\n");
halt();
}
if (bootinfo.memmap.total == 0) {
printf("Error: no memory detected, halting.\n");
halt();
}
if (!ofw_screen(&bootinfo.screen)) {
printf("Error: unable to get screen properties, halting.\n");
halt();
}
printf("\nDevice statistics\n");
printf(" screen at %L, resolution %dx%d, %d bpp (scanline %d bytes)\n", bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
void *real_mode_pa = ofw_translate(&real_mode);
void *trans_pa = ofw_translate(&trans);
void *bootinfo_pa = ofw_translate(&bootinfo);
printf("\nMemory statistics (total %d MB)\n", bootinfo.memmap.total >> 20);
printf(" %L: boot info structure (physical %L)\n", &bootinfo, bootinfo_pa);
printf(" %L: bootstrap trampoline (physical %L)\n", &real_mode, real_mode_pa);
printf(" %L: translation table (physical %L)\n", &trans, trans_pa);
for (i = 0; i < COMPONENTS; i++)
printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
unsigned long top = 0;
for (i = 0; i < COMPONENTS; i++)
top += ALIGN_UP(components[i].size, PAGE_SIZE);
unsigned long pages = ALIGN_UP(KERNEL_SIZE, PAGE_SIZE) >> PAGE_WIDTH;
for (i = 0; i < pages; i++) {
void *pa = ofw_translate(KERNEL_START + (i << PAGE_WIDTH));
fix_overlap(KERNEL_START + (i << PAGE_WIDTH), &pa, "kernel", &top);
trans[i] = pa;
}
bootinfo.taskmap.count = 0;
for (i = 1; i < COMPONENTS; i++) {
unsigned long component_pages = ALIGN_UP(components[i].size, PAGE_SIZE) >> PAGE_WIDTH;
unsigned long j;
for (j = 0; j < component_pages; j++) {
void *pa = ofw_translate(components[i].start + (j << PAGE_WIDTH));
fix_overlap(components[i].start + (j << PAGE_WIDTH), &pa, components[i].name, &top);
trans[pages + j] = pa;
if (j == 0) {
bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = (void *) (pages << PAGE_WIDTH);
bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
bootinfo.taskmap.count++;
}
}
pages += component_pages;
}
fix_overlap(&real_mode, &real_mode_pa, "bootstrap trampoline", &top);
fix_overlap(&trans, &trans_pa, "translation table", &top);
fix_overlap(&bootinfo, &bootinfo_pa, "boot info", &top);
printf("\nBooting the kernel...\n");
jump_to_kernel(bootinfo_pa, sizeof(bootinfo), trans_pa, pages << PAGE_WIDTH, real_mode_pa);
}
/trunk/boot/arch/ppc64/loader/Makefile
0,0 → 1,90
#
# 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.
#
 
## Toolchain configuration
#
 
TARGET = ppc64-linux-gnu
TOOLCHAIN_DIR = /usr/local/ppc64/bin
 
ifeq ($(COMPILER),native)
CC = gcc
AS = as
LD = ld
OBJCOPY = objcopy
OBJDUMP = objdump
else
CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
endif
 
CFLAGS = -I. -I../../../generic -I../../../genarch -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc64 -msoft-float -m64
DEFS =
 
SOURCES = \
main.c \
../../../genarch/ofw.c \
../../../generic/printf.c \
asm.S \
boot.S
 
COMPONENTS = \
$(KERNELDIR)/kernel.bin \
$(USPACEDIR)/ns/ns \
$(USPACEDIR)/init/init \
$(USPACEDIR)/fb/fb
 
OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
COMPONENT_OBJECTS := $(addsuffix .o,$(basename $(notdir $(COMPONENTS))))
 
.PHONY: all clean depend
 
all: image.boot
 
-include Makefile.depend
 
image.boot: depend _components.h _link.ld $(COMPONENT_OBJECTS) $(OBJECTS) kernel.o
$(LD) -no-check-sections -N -T _link.ld $(COMPONENT_OBJECTS) $(OBJECTS) -o $@
 
depend:
-makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null
 
clean:
-rm -f _components.h _link.ld $(COMPONENT_OBJECTS) $(OBJECTS) image.boot Makefile.depend
 
_components.h _link.ld $(COMPONENT_OBJECTS): $(COMPONENTS)
./pack $(OBJCOPY) $(COMPONENTS)
 
%.o: %.S
$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
 
%.o: %.c
$(CC) $(DEFS) $(CFLAGS) -c $< -o $@
/trunk/boot/arch/ppc64/loader/pack
0,0 → 1,124
#! /bin/sh
 
#
# 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.
#
 
[ "$#" -lt 1 ] && exit 1
 
OBJCOPY="$1"
LINK="_link.ld"
HEADER="_components.h"
 
shift
 
echo 'OUTPUT_FORMAT("elf64-powerpc")
OUTPUT_ARCH(powerpc:common64)
ENTRY(start)
 
SECTIONS {
.boot 0x0000000010000000: AT (0) {
*(BOOTSTRAP);
*(REALMODE);
*(.text);
*(.toc);
*(.opd);
*(.rodata);
*(.rodata.*);
*(.data); /* initialized data */
*(.sdata);
*(.sdata2);
*(.sbss);
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
. = ALIGN(4096);
*(.kernel_image);' > "$LINK"
 
echo '#ifndef ___COMPONENTS_H__
#define ___COMPONENTS_H__
 
typedef struct {
char *name;
void *start;
void *end;
unsigned long size;
} component_t;' > "$HEADER"
 
COUNT="0"
DATA=""
 
for TASK in "$@" ; do
BASENAME="`basename "$TASK" | sed 's/^\(.*\)\.[^.]*$/\1/'`"
OBJECT="${BASENAME}.o"
SYMBOL="`echo "_binary_$TASK" | tr "./" "__"`"
MACRO="`echo "$BASENAME" | tr [:lower:] [:upper:]`"
echo "$TASK -> $OBJECT"
echo "
. = ALIGN(4096);
*(.${BASENAME}_image);" >> "$LINK"
echo "
extern int ${SYMBOL}_start;
extern int ${SYMBOL}_end;
 
#define ${MACRO}_START ((void *) &${SYMBOL}_start)
#define ${MACRO}_END ((void *) &${SYMBOL}_end)
#define ${MACRO}_SIZE ((unsigned long) ${MACRO}_END - (unsigned long) ${MACRO}_START)" >> "$HEADER"
"$OBJCOPY" -I binary -O elf64-powerpc -B powerpc:common64 --rename-section ".data=.${BASENAME}_image" "$TASK" "$OBJECT"
DATA="${DATA}
components[$COUNT].name = \"${BASENAME}\";
components[$COUNT].start = ${MACRO}_START;
components[$COUNT].end = ${MACRO}_END;
components[$COUNT].size = ${MACRO}_SIZE;";
COUNT="`expr "$COUNT" + 1`"
done
 
echo '}
 
/DISCARD/ : {
*(*);
}
}' >> "$LINK"
 
echo "
#define COMPONENTS $COUNT
 
component_t components[COMPONENTS];
 
static void init_components(void)
{
$DATA
}
 
#endif
" >> "$HEADER"
Property changes:
Added: svn:executable
+*
\ No newline at end of property
/trunk/boot/arch/ppc64/loader/asm.S
0,0 → 1,215
#
# 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.
#
 
#include "asm.h"
#include "regname.h"
 
.text
 
.global halt
.global memcpy
.global jump_to_kernel
 
halt:
b halt
 
memcpy:
srwi. r7, r5, 3
addi r6, r3, -4
addi r4, r4, -4
beq 2f
andi. r0, r6, 3
mtctr r7
bne 5f
1:
lwz r7, 4(r4)
lwzu r8, 8(r4)
stw r7, 4(r6)
stwu r8, 8(r6)
bdnz 1b
andi. r5, r5, 7
2:
cmplwi 0, r5, 4
blt 3f
lwzu r0, 4(r4)
addi r5, r5, -4
stwu r0, 4(r6)
3:
cmpwi 0, r5, 0
beqlr
mtctr r5
addi r4, r4, 3
addi r6, r6, 3
4:
lbzu r0, 1(r4)
stbu r0, 1(r6)
bdnz 4b
blr
5:
subfic r0, r0, 4
mtctr r0
6:
lbz r7, 4(r4)
addi r4, r4, 1
stb r7, 4(r6)
addi r6, r6, 1
bdnz 6b
subf r5, r0, r5
rlwinm. r7, r5, 32-3, 3, 31
beq 2b
mtctr r7
b 1b
 
 
jump_to_kernel:
# r3 = bootinfo (pa)
# r4 = bootinfo_size
# r5 = trans (pa)
# r6 = bytes to copy
# r7 = real_mode (pa)
# disable interrupts
mfmsr r31
rlwinm r31, r31, 0, 17, 15
mtmsr r31
# set real_mode meeting point address
mtspr srr0, r7
# jumps to real_mode
mfmsr r31
lis r30, ~0@h
ori r30, r30, ~(msr_ir | msr_dr)@l
and r31, r31, r30
mtspr srr1, r31
sync
isync
rfid
 
.section REALMODE, "ax"
.align PAGE_WIDTH
.global real_mode
 
real_mode:
# copy kernel to proper location
#
# r5 = trans (pa)
# r6 = bytes to copy
li r31, PAGE_SIZE >> 2
li r30, 0
page_copy:
cmpwi r6, 0
beq copy_end
# copy page
mtctr r31
lwz r29, 0(r5)
copy_loop:
lwz r28, 0(r29)
stw r28, 0(r30)
addi r29, r29, 4
addi r30, r30, 4
subi r6, r6, 4
cmpwi r6, 0
beq copy_end
bdnz copy_loop
addi r5, r5, 4
b page_copy
copy_end:
# initially fill segment registers
 
li r31, 16
mtctr r31
li r31, 0
li r30, 0x2000
 
seg_fill:
mtsrin r30, r31
addi r30, r30, 0x111
addis r31, r31, 0x1000 # move to next SR
bdnz seg_fill
tlbia
tlbsync
# start the kernel
#
# r3 = bootinfo (pa)
lis r31, KERNEL_START_ADDR@ha
addi r31, r31, KERNEL_START_ADDR@l
mtspr srr0, r31
mfmsr r31
ori r31, r31, (msr_ir | msr_dr)@l
mtspr srr1, r31
sync
isync
rfid
 
.align PAGE_WIDTH
.global trans
trans:
.space (TRANS_SIZE * TRANS_ITEM_SIZE)
/trunk/boot/arch/ppc64/loader/regname.h
0,0 → 1,204
/*
* Copyright (C) 2005 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 __ppc32_REGNAME_H__
#define __ppc32_REGNAME_H__
 
/* Condition Register Bit Fields */
#define cr0 0
#define cr1 1
#define cr2 2
#define cr3 3
#define cr4 4
#define cr5 5
#define cr6 6
#define cr7 7
 
/* General Purpose Registers (GPRs) */
#define r0 0
#define r1 1
#define r2 2
#define r3 3
#define r4 4
#define r5 5
#define r6 6
#define r7 7
#define r8 8
#define r9 9
#define r10 10
#define r11 11
#define r12 12
#define r13 13
#define r14 14
#define r15 15
#define r16 16
#define r17 17
#define r18 18
#define r19 19
#define r20 20
#define r21 21
#define r22 22
#define r23 23
#define r24 24
#define r25 25
#define r26 26
#define r27 27
#define r28 28
#define r29 29
#define r30 30
#define r31 31
 
/* GPR Aliases */
#define sp 1
 
/* Floating Point Registers (FPRs) */
#define fr0 0
#define fr1 1
#define fr2 2
#define fr3 3
#define fr4 4
#define fr5 5
#define fr6 6
#define fr7 7
#define fr8 8
#define fr9 9
#define fr10 10
#define fr11 11
#define fr12 12
#define fr13 13
#define fr14 14
#define fr15 15
#define fr16 16
#define fr17 17
#define fr18 18
#define fr19 19
#define fr20 20
#define fr21 21
#define fr22 22
#define fr23 23
#define fr24 24
#define fr25 25
#define fr26 26
#define fr27 27
#define fr28 28
#define fr29 29
#define fr30 30
#define fr31 31
 
#define vr0 0
#define vr1 1
#define vr2 2
#define vr3 3
#define vr4 4
#define vr5 5
#define vr6 6
#define vr7 7
#define vr8 8
#define vr9 9
#define vr10 10
#define vr11 11
#define vr12 12
#define vr13 13
#define vr14 14
#define vr15 15
#define vr16 16
#define vr17 17
#define vr18 18
#define vr19 19
#define vr20 20
#define vr21 21
#define vr22 22
#define vr23 23
#define vr24 24
#define vr25 25
#define vr26 26
#define vr27 27
#define vr28 28
#define vr29 29
#define vr30 30
#define vr31 31
 
#define evr0 0
#define evr1 1
#define evr2 2
#define evr3 3
#define evr4 4
#define evr5 5
#define evr6 6
#define evr7 7
#define evr8 8
#define evr9 9
#define evr10 10
#define evr11 11
#define evr12 12
#define evr13 13
#define evr14 14
#define evr15 15
#define evr16 16
#define evr17 17
#define evr18 18
#define evr19 19
#define evr20 20
#define evr21 21
#define evr22 22
#define evr23 23
#define evr24 24
#define evr25 25
#define evr26 26
#define evr27 27
#define evr28 28
#define evr29 29
#define evr30 30
#define evr31 31
 
/* Special Purpose Registers (SPRs) */
#define xer 1
#define lr 8
#define ctr 9
#define dec 22
#define sdr1 25
#define srr0 26
#define srr1 27
#define sprg0 272
#define sprg1 273
#define sprg2 274
#define sprg3 275
#define prv 287
#define hid0 1008
 
/* MSR bits */
#define msr_ir (1 << 4)
#define msr_dr (1 << 5)
 
/* HID0 bits */
#define hid0_ice (1 << 15)
#define hid0_dce (1 << 14)
#define hid0_icfi (1 << 11)
#define hid0_dci (1 << 10)
 
#endif
/trunk/boot/arch/ppc64/loader/asm.h
0,0 → 1,52
/*
* 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 __ASM_H__
#define __ASM_H__
 
#define PAGE_SIZE 4096
#define PAGE_WIDTH 12
 
#define TRANS_SIZE 1024
#define TRANS_ITEM_SIZE 8
 
#define KERNEL_START_ADDR 0x80004000
 
#ifndef __ASM__
 
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt))
 
extern void *trans[TRANS_SIZE];
 
extern void halt();
extern void jump_to_kernel(void *bootinfo, unsigned long bootinfo_size, void *trans, unsigned long kernel_size, void *real_mode) __attribute__((noreturn));
extern void real_mode();
 
#endif
 
#endif
/trunk/boot/arch/ppc64/loader/main.h
0,0 → 1,64
/*
* Copyright (C) 2005 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 __MAIN_H__
#define __MAIN_H__
 
#include "ofw.h"
 
/** Align to the nearest higher address.
*
* @param addr Address or size to be aligned.
* @param align Size of alignment, must be power of 2.
*/
#define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1))
 
#define TASKMAP_MAX_RECORDS 32
 
typedef struct {
void *addr;
unsigned long size;
} task_t;
 
typedef struct {
unsigned int count;
task_t tasks[TASKMAP_MAX_RECORDS];
} taskmap_t;
 
typedef struct {
taskmap_t taskmap;
memmap_t memmap;
screen_t screen;
} bootinfo_t;
 
extern void start(void);
extern void bootstrap(void);
 
extern memmap_t memmap;
 
#endif
/trunk/boot/arch/ppc64/Makefile.inc
0,0 → 1,39
#
# 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.
#
 
build: image.boot
 
image.boot: kernel uspace
make -C arch/$(ARCH)/loader COMPILER=$(COMPILER) KERNELDIR=../../../$(KERNELDIR) USPACEDIR=../../../$(USPACEDIR)
cp arch/$(ARCH)/loader/image.boot image.boot
 
clean: clean_boot_gen clean_kernel clean_uspace
make -C arch/$(ARCH)/loader clean KERNELDIR=../../../$(KERNELDIR) USPACEDIR=../../../$(USPACEDIR)
-rm -f image.boot
 
arch_distclean: distclean_kernel distclean_uspace