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Ignore whitespace Rev 4317 → Rev 3022

/branches/dd/boot/arch/arm32/loader/_link.ld.in
File deleted
/branches/dd/boot/arch/arm32/loader/Makefile
27,29 → 27,21
#
 
include ../../../../version
-include ../../../../Makefile.config
include ../../../../Makefile.config
 
## Toolchain configuration
#
 
ifndef CROSS_PREFIX
CROSS_PREFIX = /usr/local
endif
 
BFD_NAME = elf32-littlearm
BFD_ARCH = arm
TARGET = arm-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/arm/bin
TOOLCHAIN_DIR = /usr/local/arm/bin
 
ifeq ($(COMPILER),gcc_native)
ifeq ($(COMPILER),native)
CC = gcc
AS = as
LD = ld
OBJCOPY = objcopy
OBJDUMP = objdump
endif
 
ifeq ($(COMPILER),gcc_cross)
else
CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
57,47 → 49,47
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
endif
 
CFLAGS = -DRELEASE=$(RELEASE) -I. -I../../../generic -I../../.. -imacros ../../../../config.h -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -pipe
CFLAGS = -DRELEASE=\"$(RELEASE)\" -I. -I../../../generic -I../../.. -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3
 
ifdef REVISION
CFLAGS += "-DREVISION=\"$(REVISION)\""
endif
 
ifdef TIMESTAMP
CFLAGS += "-DTIMESTAMP=\"$(TIMESTAMP)\""
endif
 
ifdef MACHINE
CFLAGS += "-DMACHINE=$(MACHINE)"
endif
 
SOURCES = \
main.c \
boot.S \
asm.S \
mm.c \
print/gxemul.c \
_components.c \
../../../generic/printf.c \
../../../generic/string.c \
../../../genarch/division.c
 
ifeq ($(MACHINE), gxemul_testarm)
SOURCES += print/gxemul.c
endif
 
 
COMPONENTS = \
$(KERNELDIR)/kernel.bin \
$(USPACEDIR)/srv/ns/ns \
$(USPACEDIR)/srv/loader/loader \
$(USPACEDIR)/app/init/init \
$(USPACEDIR)/srv/devmap/devmap \
$(USPACEDIR)/srv/rd/rd \
$(USPACEDIR)/srv/vfs/vfs
ifeq ($(RDFMT),tmpfs)
COMPONENTS += $(USPACEDIR)/srv/fs/tmpfs/tmpfs
endif
ifeq ($(RDFMT),fat)
COMPONENTS += $(USPACEDIR)/srv/fs/fat/fat
endif
 
RD_SRVS = \
$(USPACEDIR)/srv/fb/fb \
$(USPACEDIR)/srv/kbd/kbd \
$(USPACEDIR)/srv/console/console \
$(USPACEDIR)/srv/fb/fb \
$(USPACEDIR)/srv/vfs/vfs \
$(USPACEDIR)/srv/fs/tmpfs/tmpfs \
$(USPACEDIR)/srv/fs/fat/fat
 
RD_APPS = \
$(USPACEDIR)/app/tetris/tetris \
$(USPACEDIR)/srv/fs/fat/fat \
$(USPACEDIR)/srv/devmap/devmap \
$(USPACEDIR)/app/init/init \
$(USPACEDIR)/app/tester/tester \
$(USPACEDIR)/app/trace/trace \
$(USPACEDIR)/app/klog/klog \
$(USPACEDIR)/app/bdsh/bdsh
$(USPACEDIR)/app/tetris/tetris
 
OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
COMPONENT_OBJECTS := $(addsuffix .o,$(basename $(notdir $(COMPONENTS))))
108,37 → 100,17
 
-include Makefile.depend
 
image.boot: depend _components.h _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS)
$(LD) -no-check-sections -N -T _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) -o $@
image.boot: depend _components.h _link.ld $(OBJECTS) $(COMPONENT_OBJECTS)
$(LD) -no-check-sections -N -T _link.ld $(COMPONENT_OBJECTS) $(OBJECTS) -o $@
 
depend:
-makedepend -f - -- $(DEFS) $(CFLAGS) -- $(SOURCES) > Makefile.depend 2> /dev/null
-makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null
 
clean:
-for file in $(RD_SRVS) ; do \
rm -f $(USPACEDIR)/dist/srv/`basename $$file` ; \
done
-for file in $(RD_APPS) ; do \
rm -f $(USPACEDIR)/dist/app/`basename $$file` ; \
done
-rm -f _components.h _components.c _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) initrd.img image.boot Makefile.depend
-rm -f _components.h _link.ld $(COMPONENT_OBJECTS) $(OBJECTS) image.boot Makefile.depend
 
_components.h _components.c _link.ld $(COMPONENT_OBJECTS) initrd.o: $(COMPONENTS) $(RD_SRVS) $(RD_APPS) _link.ld.in
for file in $(RD_SRVS) ; do \
cp $$file $(USPACEDIR)/dist/srv/ ; \
done
for file in $(RD_APPS) ; do \
cp $$file $(USPACEDIR)/dist/app/ ; \
done
ifeq ($(RDFMT),tmpfs)
../../../../tools/mktmpfs.py $(USPACEDIR)/dist/ initrd.fs
endif
ifeq ($(RDFMT),fat)
../../../../tools/mkfat.py $(USPACEDIR)/dist/ initrd.fs
endif
../../../../tools/mkhord.py 4096 initrd.fs initrd.img
rm initrd.fs
../../../tools/pack.py $(OBJCOPY) $(BFD_NAME) $(BFD_ARCH) 4096 "unsigned int" $(COMPONENTS) ./initrd.img
_components.h _link.ld $(COMPONENT_OBJECTS): $(COMPONENTS)
./pack $(IMAGE) $(OBJCOPY) $(COMPONENTS)
 
%.o: %.S
$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
/branches/dd/boot/arch/arm32/loader/asm.h
32,7 → 32,7
*/
/** @file
* @brief Functions implemented in assembly.
*/
*/
 
 
#ifndef BOOT_arm32_ASM_H
40,10 → 40,10
 
 
/** Copies cnt bytes from dst to src.
*
*
* @param dst Destination address.
* @param src Source address.
* @param cnt Count of bytes to be copied.
* @param cnt Count of bytes to be copied.
*/
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt))
 
58,11 → 58,12
 
/** Jumps to the kernel entry point.
*
* @param entry Kernel entry point address.
* @param bootinfo Structure holding information about loaded tasks.
*
* @param entry Kernel entry point address.
* @param bootinfo Structure holding information about loaded tasks.
* @param bootinfo_size Size of the bootinfo structure.
*/
extern void jump_to_kernel(void *entry, void *bootinfo) __attribute__((noreturn));
extern void jump_to_kernel(void *entry, void *bootinfo,
unsigned int bootinfo_size) __attribute__((noreturn));
 
 
#endif
/branches/dd/boot/arch/arm32/loader/main.h
32,7 → 32,7
*/
/** @file
* @brief Boot related declarations.
*/
*/
 
 
#ifndef BOOT_arm32_MAIN_H
39,13 → 39,17
#define BOOT_arm32_MAIN_H
 
 
/** Aligns to the nearest higher address.
*
* @param addr Address or number to be aligned.
* @param align Size of alignment, must be power of 2.
*/
#define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1))
 
/** Maximum number of tasks in the #bootinfo_t struct. */
#define TASKMAP_MAX_RECORDS 32
 
/** Size of buffer for storing task name in task_t. */
#define BOOTINFO_TASK_NAME_BUFLEN 32
 
 
/** Struct holding information about single loaded task. */
typedef struct {
/** Address where the task was placed. */
52,8 → 56,6
void *addr;
/** Size of the task's binary. */
unsigned int size;
/** Task name. */
char name[BOOTINFO_TASK_NAME_BUFLEN];
} task_t;
 
 
72,3 → 74,4
 
/** @}
*/
 
/branches/dd/boot/arch/arm32/loader/pack
0,0 → 1,139
#! /bin/sh
 
#
# Copyright (C) 2007 Michal Kebrt
# 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.
#
 
 
OBJCOPY="$1"
LINK="_link.ld"
HEADER="_components.h"
 
shift 1
 
echo "OUTPUT_FORMAT(\"elf32-littlearm\")
 
ENTRY(start)
 
SECTIONS {
.boot 0x0: AT (0) {
*(BOOTSTRAP);
*(.text);
*(.rodata);
*(.rodata.*);
*(.data); /* initialized data */
*(.sdata);
*(.sdata2);
*(.sbss);
*(.scommon);
*(.bss); /* uninitialized static variables */
*(COMMON); /* global variables */
*(.reginfo);
 
. = 0x4000;
*(PT); /* page table placed at 0x4000 */" > "$LINK"
 
echo '
/** @addtogroup arm32boot
* @{
*/
/** @file
* @brief Components (kernel + tasks) related declarations.
*
* Generated by the <code>pack</code> script. This script packs all the
* components (kernel + tasks) into one image (image.boot) and generates
* a code that initializes an array of #component_t structs.
*/
 
#ifndef ___COMPONENTS_H__
#define ___COMPONENTS_H__
 
/** Holds information about components packed to one image (kernel + tasks). */
typedef struct {
/** Name. */
char *name;
/** Start address. */
void *start;
/** End address. */
void *end;
/** Size (in bytes). */
unsigned int 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 int) ${MACRO}_END - (unsigned int) ${MACRO}_START)" >> "$HEADER"
"$OBJCOPY" -I binary -O elf32-littlearm -B arm --rename-section ".data=.${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 ' }
}' >> "$LINK"
 
echo "
#define COMPONENTS $COUNT
 
/** Initializes array of components. */
static void init_components(component_t components[])
{
$DATA
}
 
#endif
 
" >> "$HEADER"
Property changes:
Added: svn:executable
+*
\ No newline at end of property
/branches/dd/boot/arch/arm32/loader/main.c
32,16 → 32,13
*/
/** @file
* @brief Bootstrap.
*/
*/
 
 
#include "main.h"
#include "main.h"
#include "asm.h"
#include "_components.h"
#include <printf.h>
#include <align.h>
#include <macros.h>
#include <string.h>
 
#include "mm.h"
 
49,16 → 46,16
#define KERNEL_VIRTUAL_ADDRESS 0x80200000
 
 
char *release = STRING(RELEASE);
char *release = RELEASE;
 
#ifdef REVISION
char *revision = ", revision " STRING(REVISION);
char *revision = ", revision " REVISION;
#else
char *revision = "";
#endif
 
#ifdef TIMESTAMP
char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
char *timestamp = "\nBuilt on " TIMESTAMP;
#else
char *timestamp = "";
#endif
79,10 → 76,9
version_print();
 
component_t components[COMPONENTS];
bootinfo_t bootinfo;
init_components(components);
bootinfo_t bootinfo;
printf("\nMemory statistics\n");
printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
printf(" %L: boot info structure\n", &bootinfo);
104,8 → 100,6
if (i > 0) {
bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
bootinfo.tasks[bootinfo.cnt].size = components[i].size;
strncpy(bootinfo.tasks[bootinfo.cnt].name,
components[i].name, BOOTINFO_TASK_NAME_BUFLEN);
bootinfo.cnt++;
}
top += components[i].size;
113,7 → 107,7
}
printf("\nBooting the kernel...\n");
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo);
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
}
 
/** @}
/branches/dd/boot/arch/arm32/loader/asm.S
35,8 → 35,7
add r3, r1, #3
bic r3, r3, #3
cmp r1, r3
stmdb sp!, {r4, r5, lr}
mov r5, r0
stmdb sp!, {r4, lr}
beq 4f
1:
cmp r2, #0
49,8 → 48,8
cmp ip, r2
bne 2b
3:
mov r0, r5
ldmia sp!, {r4, r5, pc}
mov r0, r1
ldmia sp!, {r4, pc}
4:
add r3, r0, #3
bic r3, r3, #3
/branches/dd/boot/arch/arm32/loader/boot.S
39,11 → 39,6
b bootstrap
 
jump_to_kernel:
#
# TODO
# Make sure that the I-cache, D-cache and memory are mutually coherent
# before passing control to the copied code.
#
bx r0
 
 
53,3 → 48,5
# make place for PTL0 page table
page_table:
.skip PTL0_ENTRIES * PTL0_ENTRY_SIZE