| /tags/0.4.1/boot/arch/mips32/loader/Makefile |
|---|
| 0,0 → 1,166 |
| # |
| # 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 ../../../../version |
| -include ../../../../Makefile.config |
| ## Toolchain configuration |
| # |
| ifndef CROSS_PREFIX |
| CROSS_PREFIX = /usr/local |
| endif |
| BFD_ARCH = mips |
| TARGET = mipsel-linux-gnu |
| TOOLCHAIN_DIR = $(CROSS_PREFIX)/mipsel/bin |
| ifeq ($(MACHINE),lgxemul) |
| BFD_NAME = elf32-tradlittlemips |
| BFD = ecoff-littlemips |
| endif |
| ifeq ($(MACHINE),bgxemul) |
| BFD_NAME = elf32-tradbigmips |
| BFD = ecoff-bigmips |
| TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips/bin |
| TARGET = mips-linux-gnu |
| endif |
| ifeq ($(MACHINE),msim) |
| BFD_NAME = elf32-tradlittlemips |
| BFD = binary |
| endif |
| ifeq ($(COMPILER),gcc_native) |
| CC = gcc |
| AS = as |
| LD = ld |
| OBJCOPY = objcopy |
| OBJDUMP = objdump |
| endif |
| ifeq ($(COMPILER),gcc_cross) |
| 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 = -DRELEASE=$(RELEASE) -I. -I../../../generic -imacros ../../../../config.h -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mno-abicalls -G 0 -fno-zero-initialized-in-bss -mhard-float -mips3 -pipe |
| SOURCES = \ |
| main.c \ |
| msim.c \ |
| _components.c \ |
| ../../../generic/printf.c \ |
| ../../../generic/string.c \ |
| asm.S \ |
| boot.S |
| COMPONENTS = \ |
| $(KERNELDIR)/kernel.bin \ |
| $(USPACEDIR)/srv/ns/ns \ |
| $(USPACEDIR)/srv/loader/loader \ |
| $(USPACEDIR)/app/init/init \ |
| $(USPACEDIR)/srv/devmap/devmap \ |
| $(USPACEDIR)/srv/bd/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/fs/devfs/devfs \ |
| $(USPACEDIR)/srv/fs/tmpfs/tmpfs \ |
| $(USPACEDIR)/srv/fs/fat/fat \ |
| $(USPACEDIR)/srv/bd/file_bd/file_bd \ |
| $(USPACEDIR)/srv/bd/gxe_bd/gxe_bd |
| RD_APPS = \ |
| $(USPACEDIR)/app/getvc/getvc \ |
| $(USPACEDIR)/app/tetris/tetris \ |
| $(USPACEDIR)/app/tester/tester \ |
| $(USPACEDIR)/app/trace/trace \ |
| $(USPACEDIR)/app/bdsh/bdsh \ |
| $(USPACEDIR)/app/klog/klog |
| OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
| COMPONENT_OBJECTS := $(addsuffix .o,$(basename $(notdir $(COMPONENTS)))) |
| .PHONY: all clean depend |
| all: image.boot |
| -include Makefile.depend |
| image.boot: image.raw |
| $(OBJCOPY) -O $(BFD) $< $@ |
| image.raw: depend _components.h _link.ld $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) |
| $(LD) -no-check-sections -N -T _link.ld -o $@ $(COMPONENT_OBJECTS) initrd.o $(OBJECTS) |
| depend: |
| -makedepend -f - -- $(DEFS) $(CFLAGS) -- $(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.raw 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 16384 initrd.fs initrd.img |
| rm initrd.fs |
| ../../../tools/pack.py $(OBJCOPY) $(BFD_NAME) $(BFD_ARCH) 16384 "unsigned int" $(COMPONENTS) ./initrd.img |
| %.o: %.S |
| $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
| %.o: %.c |
| $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
| /tags/0.4.1/boot/arch/mips32/loader/_link.ld.in |
|---|
| 0,0 → 1,20 |
| ENTRY(start) |
| SECTIONS { |
| .boot 0xbfc00000: AT (0) { |
| *(BOOTSTRAP); |
| *(.text); |
| *(.rodata); |
| *(.rodata.*); |
| *(.data); /* initialized data */ |
| *(.sdata); |
| *(.sdata2); |
| *(.sbss); |
| *(.scommon); |
| *(.bss); /* uninitialized static variables */ |
| *(COMMON); /* global variables */ |
| *(.reginfo); |
| [[COMPONENTS]] |
| } |
| } |
| /tags/0.4.1/boot/arch/mips32/loader/main.c |
|---|
| 0,0 → 1,105 |
| /* |
| * 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 <align.h> |
| #include <macros.h> |
| #include <string.h> |
| #include "msim.h" |
| #include "asm.h" |
| #include "_components.h" |
| #define KERNEL_VIRTUAL_ADDRESS 0x80100000 |
| char *release = STRING(RELEASE); |
| #ifdef REVISION |
| char *revision = ", revision " STRING(REVISION); |
| #else |
| char *revision = ""; |
| #endif |
| #ifdef TIMESTAMP |
| char *timestamp = "\nBuilt on " STRING(TIMESTAMP); |
| #else |
| char *timestamp = ""; |
| #endif |
| /** Print version information. */ |
| static void version_print(void) |
| { |
| printf("HelenOS MIPS32 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp); |
| } |
| void bootstrap(void) |
| { |
| version_print(); |
| component_t components[COMPONENTS]; |
| 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); |
| unsigned int i; |
| for (i = 0; i < COMPONENTS; i++) |
| printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
| printf("\nCopying components\n"); |
| unsigned int top = 0; |
| bootinfo.cnt = 0; |
| for (i = 0; i < min(COMPONENTS, TASKMAP_MAX_RECORDS); i++) { |
| printf(" %s...", components[i].name); |
| top = ALIGN_UP(top, PAGE_SIZE); |
| memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
| 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; |
| printf("done.\n"); |
| } |
| unsigned int *cpumap = (unsigned int *) CPUMAP; |
| bootinfo.cpumap = 0; |
| for (i = 0; i < CPUMAP_MAX_RECORDS; i++) { |
| if (cpumap[i] != 0) |
| bootinfo.cpumap |= (1 << i); |
| } |
| printf("\nBooting the kernel...\n"); |
| jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo); |
| } |
| /tags/0.4.1/boot/arch/mips32/loader/main.h |
|---|
| 0,0 → 1,65 |
| /* |
| * 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 BOOT_mips32_MAIN_H_ |
| #define BOOT_mips32_MAIN_H_ |
| #define CPUMAP 0x80001000 |
| #define INITIAL_STACK 0x80002000 |
| #define MSIM_DORDER_ADDRESS 0xb0000004 |
| #define TASKMAP_MAX_RECORDS 32 |
| #define CPUMAP_MAX_RECORDS 32 |
| #ifndef __ASM__ |
| /** 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. */ |
| void *addr; |
| /** Size of the task's binary. */ |
| unsigned int size; |
| /** Task name. */ |
| char name[BOOTINFO_TASK_NAME_BUFLEN]; |
| } task_t; |
| typedef struct { |
| unsigned int cpumap; |
| unsigned int cnt; |
| task_t tasks[TASKMAP_MAX_RECORDS]; |
| } bootinfo_t; |
| extern void start(void); |
| extern void bootstrap(void); |
| #endif |
| #endif |
| /tags/0.4.1/boot/arch/mips32/loader/boot.S |
|---|
| 0,0 → 1,118 |
| # |
| # 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" |
| #include "main.h" |
| .set noat |
| .set noreorder |
| .set nomacro |
| .section BOOTSTRAP |
| .global start |
| start: |
| /* Setup CPU map (on msim this code |
| is executed in parallel on all CPUs, |
| but it not an issue) */ |
| la $a0, CPUMAP |
| sw $zero, 0($a0) |
| sw $zero, 4($a0) |
| sw $zero, 8($a0) |
| sw $zero, 12($a0) |
| sw $zero, 16($a0) |
| sw $zero, 20($a0) |
| sw $zero, 24($a0) |
| sw $zero, 28($a0) |
| sw $zero, 32($a0) |
| sw $zero, 36($a0) |
| sw $zero, 40($a0) |
| sw $zero, 44($a0) |
| sw $zero, 48($a0) |
| sw $zero, 52($a0) |
| sw $zero, 56($a0) |
| sw $zero, 60($a0) |
| sw $zero, 64($a0) |
| sw $zero, 68($a0) |
| sw $zero, 72($a0) |
| sw $zero, 76($a0) |
| sw $zero, 80($a0) |
| sw $zero, 84($a0) |
| sw $zero, 88($a0) |
| sw $zero, 92($a0) |
| sw $zero, 96($a0) |
| sw $zero, 100($a0) |
| sw $zero, 104($a0) |
| sw $zero, 108($a0) |
| sw $zero, 112($a0) |
| sw $zero, 116($a0) |
| sw $zero, 120($a0) |
| sw $zero, 124($a0) |
| lui $a1, 1 |
| #ifdef MACHINE_msim |
| /* Read dorder value */ |
| la $k0, MSIM_DORDER_ADDRESS |
| lw $k1, ($k0) |
| /* If we are not running on BSP |
| then end in an infinite loop */ |
| beq $k1, $zero, bsp |
| nop |
| /* Record CPU presence */ |
| sll $a2, $k1, 2 |
| addu $a2, $a2, $a0 |
| sw $a1, ($a2) |
| loop: |
| j loop |
| nop |
| #endif |
| bsp: |
| /* Record CPU presence */ |
| sw $a1, ($a0) |
| /* Setup initial stack */ |
| la $sp, INITIAL_STACK |
| j bootstrap |
| nop |
| /tags/0.4.1/boot/arch/mips32/loader/asm.h |
|---|
| 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. |
| */ |
| #ifndef BOOT_mips32_ASM_H_ |
| #define BOOT_mips32_ASM_H_ |
| #define PAGE_SIZE 16384 |
| #define PAGE_WIDTH 14 |
| #define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
| void jump_to_kernel(void *entry, void *bootinfo) __attribute__((noreturn)); |
| #endif |
| /tags/0.4.1/boot/arch/mips32/loader/asm.S |
|---|
| 0,0 → 1,116 |
| # |
| # 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" |
| .set noat |
| .set noreorder |
| .set nomacro |
| .text |
| .global halt |
| .global memcpy |
| .global jump_to_kernel |
| halt: |
| b halt |
| nop |
| memcpy: |
| addiu $v0,$a1,3 |
| li $v1,-4 # 0xfffffffffffffffc |
| and $v0,$v0,$v1 |
| beq $a1,$v0,3f |
| move $t0,$a0 |
| move $t2,$a0 # save dst |
| 0: |
| beq $a2,$zero,2f |
| move $a3,$zero |
| 1: |
| addu $v0,$a1,$a3 |
| lbu $a0,0($v0) |
| addu $v1,$t0,$a3 |
| addiu $a3,$a3,1 |
| bne $a3,$a2,1b |
| sb $a0,0($v1) |
| 2: |
| jr $ra |
| move $v0,$t2 |
| 3: |
| addiu $v0,$a0,3 |
| and $v0,$v0,$v1 |
| bne $a0,$v0,0b |
| srl $t1,$a2,2 |
| beq $t1,$zero,5f |
| move $a3,$zero |
| move $a3,$zero |
| move $a0,$zero |
| 4: |
| addu $v0,$a1,$a0 |
| lw $v1,0($v0) |
| addiu $a3,$a3,1 |
| addu $v0,$t0,$a0 |
| sw $v1,0($v0) |
| bne $a3,$t1,4b |
| addiu $a0,$a0,4 |
| 5: |
| andi $a2,$a2,0x3 |
| beq $a2,$zero,2b |
| nop |
| sll $v0,$a3,2 |
| addu $t1,$v0,$t0 |
| move $a3,$zero |
| addu $t0,$v0,$a1 |
| 6: |
| addu $v0,$t0,$a3 |
| lbu $a0,0($v0) |
| addu $v1,$t1,$a3 |
| addiu $a3,$a3,1 |
| bne $a3,$a2,6b |
| sb $a0,0($v1) |
| jr $ra |
| move $v0,$t2 |
| jump_to_kernel: |
| # |
| # TODO |
| # Make sure that the I-cache, D-cache and memory are mutually coherent |
| # before passing control to the copied code. |
| # |
| j $a0 |
| nop |
| /tags/0.4.1/boot/arch/mips32/loader/regname.h |
|---|
| 0,0 → 1,88 |
| /* |
| * Copyright (c) 2005 Ondrej Palkovsky |
| * 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 BOOT_mips32_REGNAME_H_ |
| #define BOOT_mips32_REGNAME_H_ |
| #define zero 0 |
| #define at 1 |
| #define v0 2 |
| #define v1 3 |
| #define a0 4 |
| #define a1 5 |
| #define a2 6 |
| #define a3 7 |
| #define t0 8 |
| #define t1 9 |
| #define t2 10 |
| #define t3 11 |
| #define t4 12 |
| #define t5 13 |
| #define t6 14 |
| #define t7 15 |
| #define s0 16 |
| #define s1 17 |
| #define s2 18 |
| #define s3 19 |
| #define s4 20 |
| #define s5 21 |
| #define s6 22 |
| #define s7 23 |
| #define t8 24 |
| #define t9 25 |
| #define k0 26 |
| #define k1 27 |
| #define gp 28 |
| #define sp 29 |
| #define s8 30 |
| #define ra 31 |
| #define rindex 0 |
| #define rrandom 1 |
| #define entrylo0 2 |
| #define entrylo1 3 |
| #define context 4 |
| #define pagemask 5 |
| #define wired 6 |
| #define badvaddr 8 |
| #define count 9 |
| #define entryhi 10 |
| #define compare 11 |
| #define status 12 |
| #define cause 13 |
| #define epc 14 |
| #define rconfig 16 |
| #define lladdr 17 |
| #define watchlo 18 |
| #define watchhi 19 |
| #define xcontext 20 |
| #define rdebug 23 |
| #define depc 24 |
| #define eepc 30 |
| #endif /* _REGNAME_H_ */ |
| /tags/0.4.1/boot/arch/mips32/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 BOOT_mips32_TYPES_H_ |
| #define BOOT_mips32_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 long uint64_t; |
| typedef uint32_t uintptr_t; |
| typedef uint32_t unative_t; |
| #endif |
| /tags/0.4.1/boot/arch/mips32/loader/msim.h |
|---|
| 0,0 → 1,37 |
| /* |
| * 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 BOOT_mips32_MSIM_H_ |
| #define BOOT_mips32_MSIM_H_ |
| extern void init(void); |
| extern void halt(void); |
| extern void *translate(void *addr); |
| #endif |
| /tags/0.4.1/boot/arch/mips32/loader/msim.c |
|---|
| 0,0 → 1,40 |
| /* |
| * 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 "msim.h" |
| #include <printf.h> |
| #define MSIM_VIDEORAM 0xB0000000 |
| void write(const char *str, const int len) |
| { |
| int i; |
| for (i = 0; i < len; i++) |
| *((char *) MSIM_VIDEORAM) = str[i]; |
| } |
| /tags/0.4.1/boot/arch/mips32/Makefile.inc |
|---|
| 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. |
| # |
| build: $(BASE)/image.boot |
| $(BASE)/image.boot: depend arch/$(BARCH)/loader/image.boot |
| cp arch/$(BARCH)/loader/image.boot $(BASE)/image.boot |
| depend: |
| -rm arch/$(BARCH)/loader/image.boot |
| arch/$(BARCH)/loader/image.boot: |
| make -C arch/$(BARCH)/loader COMPILER=$(COMPILER) KERNELDIR=../../../$(KERNELDIR) USPACEDIR=../../../$(USPACEDIR) |
| clean: |
| make -C arch/$(BARCH)/loader clean COMPILER=$(COMPILER) KERNELDIR=../../../$(KERNELDIR) USPACEDIR=../../../$(USPACEDIR) |
| -rm -f $(BASE)/image.boot |