mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 01:55:19 +00:00
Added boot carrier for freeldr. I'm at the point where I need to do
something about the mac disklabel, because freeldr is trying to read a PC partition table. I'll need to sleep on it a bit. svn path=/trunk/; revision=14386
This commit is contained in:
Art Yerkes
parent
1d13fa9747
commit
8df3d41437
5 changed files with 1055 additions and 54 deletions
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@ -29,7 +29,7 @@ all:
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$(MAKE) -C fdebug
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test:
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clean:
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$(MAKE) -C bootsect clean
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$(MAKE) -C freeldr clean
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@ -38,6 +38,7 @@ clean:
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$(MAKE) -C tools clean
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bootcd:
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ifeq ($(ARCH),i386)
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$(CP) bootsect/isoboot.bin ${BOOTCD_DIR}/../isoboot.bin
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$(CP) bootsect/dosmbr.bin ${BOOTCD_DIR}/loader/dosmbr.bin
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$(CP) bootsect/ext2.bin ${BOOTCD_DIR}/loader/ext2.bin
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@ -46,5 +47,6 @@ bootcd:
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$(CP) bootsect/isoboot.bin ${BOOTCD_DIR}/loader/isoboot.bin
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$(CP) freeldr/freeldr.sys ${BOOTCD_DIR}/loader/freeldr.sys
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$(CP) freeldr/setupldr.sys ${BOOTCD_DIR}/loader/setupldr.sys
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endif
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.PHONY : clean
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@ -25,56 +25,8 @@ BOOTCD_DIR = $(PATH_TO_TOP)/../bootcd
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.PHONY : clean bootcd
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all: $(BIN2C) dosmbr.bin fat.bin fat32.bin isoboot.bin ext2.bin
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$(BIN2C) :
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@$(MAKE) --no-print-directory -C $(FREELDR_TOOLS_PATH)
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dosmbr.bin : dosmbr.asm
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@echo freeldr: Assembling dosmbr
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@$(NASM_CMD) $(NFLAGS) -o dosmbr.bin -f bin dosmbr.asm
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fat.bin : fat.asm $(BIN2C)
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@echo freeldr: Assembling fat
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@$(NASM_CMD) $(NFLAGS) -o fat.bin -f bin fat.asm
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@$(BIN2C) fat.bin fat.h fat_data
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fat32.bin : fat32.asm $(BIN2C)
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@echo freeldr: Assembling fat32
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@$(NASM_CMD) $(NFLAGS) -o fat32.bin -f bin fat32.asm
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@$(BIN2C) fat32.bin fat32.h fat32_data
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isoboot.bin : isoboot.asm
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@echo freeldr: Assembling isoboot
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@$(NASM_CMD) $(NFLAGS) -o isoboot.bin -f bin isoboot.asm
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ext2.bin : ext2.asm
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@echo freeldr: Assembling ext2
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@$(NASM_CMD) $(NFLAGS) -o ext2.bin -f bin ext2.asm
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@$(BIN2C) ext2.bin ext2.h ext2_data
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.PHONY : bootcd
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bootcd: bootcd_dirs isoboot.bin
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$(CP) isoboot.bin $(BOOTCD_DIR)
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$(CP) dosmbr.bin $(BOOTCD_DIR)/disk/loader
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$(CP) ext2.bin $(BOOTCD_DIR)/disk/loader
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$(CP) fat.bin $(BOOTCD_DIR)/disk/loader
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$(CP) fat32.bin $(BOOTCD_DIR)/disk/loader
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$(CP) isoboot.bin $(BOOTCD_DIR)/disk/loader
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.PHONY : bootcd_dirs
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bootcd_dirs:
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$(MKDIR) $(BOOTCD_DIR)
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$(MKDIR) $(BOOTCD_DIR)/disk
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$(MKDIR) $(BOOTCD_DIR)/disk/reactos
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$(MKDIR) $(BOOTCD_DIR)/disk/install
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$(MKDIR) $(BOOTCD_DIR)/disk/bootdisk
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$(MKDIR) $(BOOTCD_DIR)/disk/loader
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clean:
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@-$(RM) *.bin
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@-$(RM) *.h
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@echo freeldr: Clean ALL done.
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ifeq ($(ARCH),powerpc)
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include Makefile.powerpc
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else
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include Makefile.i386
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endif
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52
reactos/boot/freeldr/bootsect/Makefile.i386
Normal file
52
reactos/boot/freeldr/bootsect/Makefile.i386
Normal file
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@ -0,0 +1,52 @@
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all: $(BIN2C) dosmbr.bin fat.bin fat32.bin isoboot.bin ext2.bin
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$(BIN2C) :
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@$(MAKE) --no-print-directory -C $(FREELDR_TOOLS_PATH)
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dosmbr.bin : dosmbr.asm
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@echo ===================================================== Assembling dosmbr
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@$(NASM_CMD) $(NFLAGS) -o dosmbr.bin -f bin dosmbr.asm
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fat.bin : fat.asm $(BIN2C)
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@echo ===================================================== Assembling fat
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@$(NASM_CMD) $(NFLAGS) -o fat.bin -f bin fat.asm
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@$(BIN2C) fat.bin fat.h fat_data
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fat32.bin : fat32.asm $(BIN2C)
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@echo ===================================================== Assembling fat32
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@$(NASM_CMD) $(NFLAGS) -o fat32.bin -f bin fat32.asm
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@$(BIN2C) fat32.bin fat32.h fat32_data
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isoboot.bin : isoboot.asm
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@echo ===================================================== Assembling isoboot
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@$(NASM_CMD) $(NFLAGS) -o isoboot.bin -f bin isoboot.asm
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ext2.bin : ext2.asm
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@echo ===================================================== Assembling ext2
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@$(NASM_CMD) $(NFLAGS) -o ext2.bin -f bin ext2.asm
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@$(BIN2C) ext2.bin ext2.h ext2_data
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.PHONY : bootcd
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bootcd: bootcd_dirs isoboot.bin
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$(CP) isoboot.bin $(BOOTCD_DIR)
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$(CP) dosmbr.bin $(BOOTCD_DIR)/disk/loader
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$(CP) ext2.bin $(BOOTCD_DIR)/disk/loader
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$(CP) fat.bin $(BOOTCD_DIR)/disk/loader
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$(CP) fat32.bin $(BOOTCD_DIR)/disk/loader
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$(CP) isoboot.bin $(BOOTCD_DIR)/disk/loader
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.PHONY : bootcd_dirs
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bootcd_dirs:
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$(MKDIR) $(BOOTCD_DIR)
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$(MKDIR) $(BOOTCD_DIR)/disk
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$(MKDIR) $(BOOTCD_DIR)/disk/reactos
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$(MKDIR) $(BOOTCD_DIR)/disk/install
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$(MKDIR) $(BOOTCD_DIR)/disk/bootdisk
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$(MKDIR) $(BOOTCD_DIR)/disk/loader
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clean:
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@-$(RM) *.bin
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@-$(RM) *.h
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@echo Clean ALL done.
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35
reactos/boot/freeldr/bootsect/Makefile.powerpc
Normal file
35
reactos/boot/freeldr/bootsect/Makefile.powerpc
Normal file
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@ -0,0 +1,35 @@
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TOOLS=$(PATH_TO_TOP)/tools
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SECTIONS= \
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--only-section=.text \
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--only-section=.data \
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--only-section=.bss
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LDSECT= -Ttext 0xe00000 -Tdata 0xe10000
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OBJS=ofwboot.o freeldr.o
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CFLAGS=-mbig -meabi -fPIC -fno-builtin -I../freeldr/include
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FREELDR=../freeldr/freeldr.sys
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.SUFFIXES: .c .o
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all: ofwldr
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hack-coff$(EXEEXT):
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$(HOST_CC) -I../freeldr/include hack-coff.c -o $@
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ofwboot.o: ofwboot.s
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$(NASM_CMD) $< -c -o $@
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$(FREELDR):
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$(MAKE) -C ../freeldr
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freeldr.o: $(FREELDR)
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$(TOOLS)/ppc-le2be $< freeldr.tmp
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$(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common freeldr.tmp $@
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rm freeldr.tmp
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ofwldr: $(OBJS)
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mppcw32-ld --no-omagic $(LDSECT) $(OBJS) -g -o $@.elf
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mppcw32-objcopy $(SECTIONS) -O aixcoff-rs6000 $@.elf $@
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$(TOOLS)/hack-coff $@
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clean:
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rm -rf ofwldr *.o *.elf *.tmp
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960
reactos/boot/freeldr/bootsect/ofwboot.s
Normal file
960
reactos/boot/freeldr/bootsect/ofwboot.s
Normal file
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@ -0,0 +1,960 @@
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.section .text
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_start:
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.long 0xe00000 + 12
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.long 0
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.long 0
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/*
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* LIFTED FROM arch/macppc/stand/ofwboot/Locore.c
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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_begin:
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sync
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isync
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lis %r1,stack@ha
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addi %r1,%r1,stack@l
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addi %r1,%r1,16384 - 0x10
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mfmsr %r8
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li %r0,0
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mtmsr %r0
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isync
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mtibatu 0,%r0
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mtibatu 1,%r0
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mtibatu 2,%r0
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mtibatu 3,%r0
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mtdbatu 0,%r0
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mtdbatu 1,%r0
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mtdbatu 2,%r0
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mtdbatu 3,%r0
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li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */
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mtibatl 0,%r9
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mtdbatl 0,%r9
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li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */
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mtibatu 0,%r9
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mtdbatu 0,%r9
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isync
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li %r8,0x3030
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mtmsr %r8
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/* Store ofw call addr */
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mr %r21,%r5
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lis %r10,0xe00000@ha
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stw %r5,ofw_call_addr - _start@l(%r10)
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lis %r4,_binary_freeldr_tmp_end@ha
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addi %r4,%r4,_binary_freeldr_tmp_end@l
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lis %r3,_binary_freeldr_tmp_start@ha
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addi %r3,%r3,_binary_freeldr_tmp_start@l
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lis %r5,0x8000@ha
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addi %r5,%r5,0x8000@l
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bl copy_bits
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bl zero_registers
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lis %r3,0xe00000@ha
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addi %r3,%r3,freeldr_banner - _start
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bl ofw_print_string
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bl ofw_print_eol
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/* Zero CTR */
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mtcr %r31
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lis %r3,0x8000@ha
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addi %r3,%r3,0x8000@l
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mtlr %r3
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lis %r3,call_ofw@ha
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addi %r3,%r3,call_ofw - _start
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b call_freeldr
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.align 4
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call_freeldr:
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/* Get the address of the functions list --
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* Note:
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* Because of little endian switch we must use an even number of
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* instructions here.. Pad with a nop if needed. */
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mfmsr %r10
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ori %r10,%r10,1
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mtmsr %r10
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nop
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/* Note that this is little-endian from here on */
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blr
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nop
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.align 4
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call_ofw:
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/* R3 has the function offset to call (n * 4)
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* Other arg registers are unchanged.
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* Note that these 4 instructions are in reverse order due to
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* little-endian convention */
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andi. %r0,%r0,65534
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mfmsr %r0
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mtmsr %r0
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/* Now normal ordering resumes */
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subi %r1,%r1,0x100
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stw %r8,4(%r1)
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stw %r9,8(%r1)
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stw %r10,12(%r1)
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mflr %r8
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stw %r8,16(%r1)
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lis %r10,0xe00000@ha
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add %r9,%r3,%r10
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lwz %r3,ofw_functions - _start@l(%r9)
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mtctr %r3
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mr %r3,%r4
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mr %r4,%r5
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mr %r5,%r6
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mr %r6,%r7
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mr %r7,%r8
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/* Goto the swapped function */
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bctrl
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lwz %r8,16(%r1)
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mtlr %r8
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lwz %r8,4(%r1)
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lwz %r9,8(%r1)
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lwz %r10,12(%r1)
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addi %r1,%r1,0x100
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/* Ok, go back to little endian */
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mfmsr %r0
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ori %r0,%r0,1
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mtmsr %r0
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/* Note that this is little-endian from here on */
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blr
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nop
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zero_registers:
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xor %r2,%r2,%r2
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mr %r0,%r2
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mr %r3,%r2
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mr %r4,%r2
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mr %r5,%r2
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mr %r6,%r2
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mr %r7,%r2
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mr %r8,%r2
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mr %r9,%r2
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mr %r10,%r2
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mr %r11,%r2
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mr %r12,%r2
|
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mr %r13,%r2
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mr %r14,%r2
|
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mr %r15,%r2
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|
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mr %r12,%r2
|
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mr %r13,%r2
|
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mr %r14,%r2
|
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mr %r15,%r2
|
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|
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mr %r16,%r2
|
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mr %r17,%r2
|
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mr %r18,%r2
|
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mr %r19,%r2
|
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|
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mr %r20,%r2
|
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mr %r21,%r2
|
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mr %r22,%r2
|
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mr %r23,%r2
|
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|
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mr %r24,%r2
|
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mr %r25,%r2
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mr %r26,%r2
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mr %r27,%r2
|
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|
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mr %r28,%r2
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mr %r29,%r2
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mr %r30,%r2
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mr %r31,%r2
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blr
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|
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prim_strlen:
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mr %r5,%r3
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prim_strlen_loop:
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lbz %r4,0(%r3)
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cmpi 0,0,%r4,0
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beq prim_strlen_done
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addi %r3,%r3,1
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b prim_strlen_loop
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|
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prim_strlen_done:
|
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sub %r3,%r3,%r5
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blr
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|
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copy_bits:
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cmp 0,0,%r3,%r4
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beqlr
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lwz %r6,0(%r3)
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stw %r6,0(%r5)
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addi %r3,%r3,4
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addi %r5,%r5,4
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b copy_bits
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||||
|
||||
ofw_print_string_hook:
|
||||
bl ofw_print_number
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||||
bl ofw_exit
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||||
|
||||
ofw_print_string:
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||||
/* Reserve some stack space */
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subi %r1,%r1,32
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|
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/* Save args */
|
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stw %r3,0(%r1)
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|
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/* Save the lr, a scratch register */
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stw %r8,8(%r1)
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mflr %r8
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stw %r8,12(%r1)
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|
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/* Load the package name */
|
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lis %r3,0xe00000@ha
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addi %r3,%r3,ofw_chosen_name - _start
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|
||||
/* Fire */
|
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bl ofw_finddevice
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|
||||
/* Load up for getprop */
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stw %r3,16(%r1)
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|
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lis %r4,0xe00000@ha
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addi %r4,%r4,ofw_stdout_name - _start
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addi %r5,%r1,20
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li %r6,4
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bl ofw_getprop
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/* Measure the string and remember the length */
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lwz %r3,0(%r1)
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bl prim_strlen
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mr %r5,%r3
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lwz %r3,20(%r1)
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lwz %r4,0(%r1)
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||||
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||||
/* Write the string */
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bl ofw_write
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||||
|
||||
/* Return */
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||||
lwz %r8,12(%r1)
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mtlr %r8
|
||||
lwz %r8,8(%r1)
|
||||
|
||||
addi %r1,%r1,32
|
||||
blr
|
||||
|
||||
/* Print 8 hex digits representing a number in r3 */
|
||||
ofw_print_number:
|
||||
subi %r1,%r1,32
|
||||
stw %r8,0(%r1)
|
||||
mflr %r8
|
||||
stw %r8,4(%r1)
|
||||
stw %r9,8(%r1)
|
||||
|
||||
xor %r9,%r9,%r9
|
||||
stw %r9,12(%r1)
|
||||
|
||||
/* Set up and, devide, shift */
|
||||
mr %r8,%r3
|
||||
lis %r6,0xf0000000@ha
|
||||
lis %r7,0x10000000@ha
|
||||
li %r9,8
|
||||
|
||||
ofw_number_loop:
|
||||
nop
|
||||
cmpi 0,0,%r9,0
|
||||
beq ofw_number_return
|
||||
subi %r9,%r9,1
|
||||
|
||||
/* Body: isolate digit, divide, print */
|
||||
and %r5,%r6,%r8
|
||||
divwu %r4,%r5,%r7
|
||||
srwi %r6,%r6,4
|
||||
srwi %r7,%r7,4
|
||||
|
||||
nop
|
||||
|
||||
cmpi 0,0,%r4,10
|
||||
bge ofw_number_letter
|
||||
addi %r4,%r4,'0'
|
||||
b ofw_number_digit_out
|
||||
|
||||
ofw_number_letter:
|
||||
addi %r4,%r4,'A' - 10
|
||||
|
||||
ofw_number_digit_out:
|
||||
stb %r4,12(%r1)
|
||||
addi %r3,%r1,12
|
||||
|
||||
stw %r6,16(%r1)
|
||||
stw %r7,20(%r1)
|
||||
stw %r8,24(%r1)
|
||||
stw %r9,28(%r1)
|
||||
|
||||
bl ofw_print_string
|
||||
|
||||
lwz %r6,16(%r1)
|
||||
lwz %r7,20(%r1)
|
||||
lwz %r8,24(%r1)
|
||||
lwz %r9,28(%r1)
|
||||
|
||||
b ofw_number_loop
|
||||
|
||||
ofw_number_return:
|
||||
/* Return */
|
||||
lwz %r9,8(%r1)
|
||||
lwz %r8,4(%r1)
|
||||
mtlr %r8
|
||||
lwz %r8,0(%r1)
|
||||
addi %r1,%r1,32
|
||||
blr
|
||||
|
||||
ofw_print_eol:
|
||||
subi %r1,%r1,16
|
||||
stw %r8,0(%r1)
|
||||
mflr %r8
|
||||
stw %r8,4(%r1)
|
||||
li %r4,0x0d0a
|
||||
sth %r4,8(%r1)
|
||||
xor %r4,%r4,%r4
|
||||
sth %r4,10(%r1)
|
||||
addi %r3,%r1,8
|
||||
bl ofw_print_string
|
||||
lwz %r8,4(%r1)
|
||||
mtlr %r8
|
||||
lwz %r8,0(%r1)
|
||||
addi %r1,%r1,16
|
||||
blr
|
||||
|
||||
ofw_print_nothing:
|
||||
subi %r1,%r1,16
|
||||
stw %r8,0(%r1)
|
||||
mflr %r8
|
||||
stw %r8,4(%r1)
|
||||
li %r4,0
|
||||
sth %r4,8(%r1)
|
||||
xor %r4,%r4,%r4
|
||||
sth %r4,10(%r1)
|
||||
addi %r3,%r1,8
|
||||
bl ofw_print_string
|
||||
lwz %r8,4(%r1)
|
||||
mtlr %r8
|
||||
lwz %r8,0(%r1)
|
||||
addi %r1,%r1,16
|
||||
blr
|
||||
|
||||
ofw_print_space:
|
||||
subi %r1,%r1,16
|
||||
stw %r8,0(%r1)
|
||||
mflr %r8
|
||||
stw %r8,4(%r1)
|
||||
li %r4,0x2000
|
||||
sth %r4,8(%r1)
|
||||
xor %r4,%r4,%r4
|
||||
sth %r4,10(%r1)
|
||||
addi %r3,%r1,8
|
||||
bl ofw_print_string
|
||||
lwz %r8,4(%r1)
|
||||
mtlr %r8
|
||||
lwz %r8,0(%r1)
|
||||
addi %r1,%r1,16
|
||||
blr
|
||||
|
||||
ofw_print_regs:
|
||||
/* Construct ofw exit call */
|
||||
subi %r1,%r1,0xa0
|
||||
|
||||
stw %r0,0(%r1)
|
||||
stw %r1,4(%r1)
|
||||
stw %r2,8(%r1)
|
||||
stw %r3,12(%r1)
|
||||
|
||||
stw %r4,16(%r1)
|
||||
stw %r5,20(%r1)
|
||||
stw %r6,24(%r1)
|
||||
stw %r7,28(%r1)
|
||||
|
||||
stw %r8,32(%r1)
|
||||
stw %r9,36(%r1)
|
||||
stw %r10,40(%r1)
|
||||
stw %r11,44(%r1)
|
||||
|
||||
stw %r12,48(%r1)
|
||||
stw %r13,52(%r1)
|
||||
stw %r14,56(%r1)
|
||||
stw %r15,60(%r1)
|
||||
|
||||
stw %r16,64(%r1)
|
||||
stw %r17,68(%r1)
|
||||
stw %r18,72(%r1)
|
||||
stw %r19,76(%r1)
|
||||
|
||||
stw %r20,80(%r1)
|
||||
stw %r21,84(%r1)
|
||||
stw %r22,88(%r1)
|
||||
stw %r23,92(%r1)
|
||||
|
||||
stw %r24,96(%r1)
|
||||
stw %r25,100(%r1)
|
||||
stw %r26,104(%r1)
|
||||
stw %r27,108(%r1)
|
||||
|
||||
stw %r28,112(%r1)
|
||||
stw %r29,116(%r1)
|
||||
stw %r30,120(%r1)
|
||||
stw %r31,124(%r1)
|
||||
|
||||
mflr %r0
|
||||
stw %r0,128(%r1)
|
||||
mfcr %r0
|
||||
stw %r0,132(%r1)
|
||||
mfctr %r0
|
||||
stw %r0,136(%r1)
|
||||
mfmsr %r0
|
||||
stw %r0,140(%r1)
|
||||
|
||||
/* Count at zero */
|
||||
xor %r0,%r0,%r0
|
||||
stw %r0,144(%r1)
|
||||
mr %r3,%r1
|
||||
stw %r3,148(%r1)
|
||||
|
||||
/* Body, print the regname, then the register */
|
||||
ofw_register_loop:
|
||||
lwz %r3,144(%r1)
|
||||
cmpi 0,0,%r3,32
|
||||
beq ofw_register_special
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_reg_init - _start
|
||||
bl ofw_print_string
|
||||
lwz %r3,144(%r1)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_space
|
||||
lwz %r3,144(%r1)
|
||||
mulli %r3,%r3,4
|
||||
add %r3,%r1,%r3
|
||||
lwz %r3,0(%r3)
|
||||
stw %r3,152(%r1)
|
||||
bl ofw_print_number
|
||||
lwz %r3,144(%r1)
|
||||
addi %r3,%r3,1
|
||||
stw %r3,144(%r1)
|
||||
b done_dump
|
||||
|
||||
dump_optional:
|
||||
bl ofw_print_space
|
||||
bl ofw_print_space
|
||||
lwz %r3,152(%r1)
|
||||
lwz %r3,0(%r3)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_space
|
||||
lwz %r3,152(%r1)
|
||||
lwz %r3,4(%r3)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_space
|
||||
lwz %r3,152(%r1)
|
||||
lwz %r3,8(%r3)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_space
|
||||
lwz %r3,152(%r1)
|
||||
lwz %r3,12(%r3)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_space
|
||||
done_dump:
|
||||
bl ofw_print_eol
|
||||
b ofw_register_loop
|
||||
|
||||
ofw_register_special:
|
||||
/* LR */
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_reg_lr - _start
|
||||
bl ofw_print_string
|
||||
bl ofw_print_space
|
||||
lwz %r3,128(%r1)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_eol
|
||||
|
||||
/* CR */
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_reg_cr - _start
|
||||
bl ofw_print_string
|
||||
bl ofw_print_space
|
||||
lwz %r3,132(%r1)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_eol
|
||||
|
||||
/* CTR */
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_reg_ctr - _start
|
||||
bl ofw_print_string
|
||||
bl ofw_print_space
|
||||
lwz %r3,136(%r1)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_eol
|
||||
|
||||
/* MSR */
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_reg_msr - _start
|
||||
bl ofw_print_string
|
||||
bl ofw_print_space
|
||||
lwz %r3,140(%r1)
|
||||
bl ofw_print_number
|
||||
bl ofw_print_eol
|
||||
|
||||
/* Return */
|
||||
lwz %r0,128(%r1)
|
||||
mtlr %r0
|
||||
|
||||
lwz %r0,0(%r1)
|
||||
lwz %r2,8(%r1)
|
||||
lwz %r3,12(%r1)
|
||||
|
||||
lwz %r4,16(%r1)
|
||||
lwz %r5,20(%r1)
|
||||
lwz %r6,24(%r1)
|
||||
lwz %r7,28(%r1)
|
||||
|
||||
addi %r1,%r1,0xa0
|
||||
|
||||
blr
|
||||
|
||||
ofw_finddevice_hook:
|
||||
subi %r1,%r1,32
|
||||
stw %r3,0(%r1)
|
||||
mflr %r3
|
||||
stw %r3,4(%r1)
|
||||
lwz %r3,0(%r1)
|
||||
bl ofw_finddevice
|
||||
stw %r3,0(%r1)
|
||||
lwz %r3,4(%r1)
|
||||
mtlr %r3
|
||||
lwz %r3,0(%r1)
|
||||
addi %r1,%r1,32
|
||||
blr
|
||||
|
||||
ofw_finddevice:
|
||||
/* Reserve stack space ...
|
||||
* 20 bytes for the ofw call,
|
||||
* r8, r9, and lr */
|
||||
subi %r1,%r1,32
|
||||
|
||||
/* Store r8, r9, lr */
|
||||
stw %r8,20(%r1)
|
||||
stw %r9,24(%r1)
|
||||
mflr %r8
|
||||
stw %r8,28(%r1)
|
||||
|
||||
/* Get finddevice name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_finddevice_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* 1 Argument and 1 return */
|
||||
li %r9,1
|
||||
stw %r9,4(%r1)
|
||||
stw %r9,8(%r1)
|
||||
|
||||
stw %r3,12(%r1)
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
/* Set argument */
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
|
||||
lwz %r3,16(%r1)
|
||||
|
||||
/* Restore registers */
|
||||
lwz %r8,28(%r1)
|
||||
mtlr %r8
|
||||
lwz %r9,24(%r1)
|
||||
lwz %r8,20(%r1)
|
||||
|
||||
addi %r1,%r1,32
|
||||
|
||||
/* Return */
|
||||
blr
|
||||
|
||||
ofw_getprop_hook:
|
||||
/* Reserve stack space:
|
||||
* 32 bytes for the ofw call
|
||||
* 12 bytes for r8, r9, lr
|
||||
*/
|
||||
/* Reserve stack space ...
|
||||
* 20 bytes for the ofw call,
|
||||
* r8, r9, and lr */
|
||||
subi %r1,%r1,48
|
||||
|
||||
/* Store r8, r9, lr */
|
||||
stw %r8,32(%r1)
|
||||
stw %r9,36(%r1)
|
||||
mflr %r8
|
||||
stw %r8,40(%r1)
|
||||
|
||||
/* Get getprop name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_getprop_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* 4 Argument and 1 return */
|
||||
li %r9,4
|
||||
stw %r9,4(%r1)
|
||||
li %r9,1
|
||||
stw %r9,8(%r1)
|
||||
|
||||
stw %r3,12(%r1) /* Package */
|
||||
stw %r4,16(%r1) /* Property */
|
||||
stw %r5,20(%r1) /* Return buffer */
|
||||
stw %r6,24(%r1) /* Buffer size */
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
/* Set argument */
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
|
||||
/* Workaround to a wierd crash ... not sure what causes it.
|
||||
* XXX investigate me */
|
||||
bl ofw_print_nothing
|
||||
|
||||
/* Return */
|
||||
lwz %r3,28(%r1)
|
||||
|
||||
/* Restore registers */
|
||||
lwz %r8,40(%r1)
|
||||
mtlr %r8
|
||||
lwz %r9,36(%r1)
|
||||
lwz %r8,32(%r1)
|
||||
|
||||
addi %r1,%r1,48
|
||||
|
||||
/* Return */
|
||||
blr
|
||||
|
||||
ofw_getprop:
|
||||
/* Reserve stack space:
|
||||
* 32 bytes for the ofw call
|
||||
* 12 bytes for r8, r9, lr
|
||||
*/
|
||||
/* Reserve stack space ...
|
||||
* 20 bytes for the ofw call,
|
||||
* r8, r9, and lr */
|
||||
subi %r1,%r1,48
|
||||
|
||||
/* Store r8, r9, lr */
|
||||
stw %r8,32(%r1)
|
||||
stw %r9,36(%r1)
|
||||
mflr %r8
|
||||
stw %r8,40(%r1)
|
||||
|
||||
/* Get getprop name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_getprop_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* 4 Argument and 1 return */
|
||||
li %r9,4
|
||||
stw %r9,4(%r1)
|
||||
li %r9,1
|
||||
stw %r9,8(%r1)
|
||||
|
||||
stw %r3,12(%r1) /* Package */
|
||||
stw %r4,16(%r1) /* Property */
|
||||
stw %r5,20(%r1) /* Return buffer */
|
||||
stw %r6,24(%r1) /* Buffer size */
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
/* Set argument */
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
|
||||
/* Return */
|
||||
lwz %r3,28(%r1)
|
||||
|
||||
/* Restore registers */
|
||||
lwz %r8,40(%r1)
|
||||
|
||||
mtlr %r8
|
||||
lwz %r9,36(%r1)
|
||||
lwz %r8,32(%r1)
|
||||
|
||||
addi %r1,%r1,48
|
||||
|
||||
/* Return */
|
||||
blr
|
||||
|
||||
ofw_write:
|
||||
/* Reserve stack space:
|
||||
* 28 bytes for the ofw call
|
||||
* 12 bytes for r8, r9, lr
|
||||
*/
|
||||
/* Reserve stack space ...
|
||||
* 20 bytes for the ofw call,
|
||||
* r8, r9, and lr */
|
||||
subi %r1,%r1,48
|
||||
|
||||
nop
|
||||
|
||||
/* Store r8, r9, lr */
|
||||
stw %r8,28(%r1)
|
||||
stw %r9,32(%r1)
|
||||
mflr %r8
|
||||
stw %r8,36(%r1)
|
||||
|
||||
/* Get write name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_write_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* 3 Arguments and 1 return */
|
||||
li %r9,3
|
||||
stw %r9,4(%r1)
|
||||
li %r9,1
|
||||
stw %r9,8(%r1)
|
||||
|
||||
stw %r3,12(%r1)
|
||||
stw %r4,16(%r1)
|
||||
stw %r5,20(%r1)
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
/* Set argument */
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
|
||||
/* Return */
|
||||
lwz %r3,24(%r1)
|
||||
|
||||
/* Restore registers */
|
||||
lwz %r8,36(%r1)
|
||||
mtlr %r8
|
||||
lwz %r9,32(%r1)
|
||||
lwz %r8,28(%r1)
|
||||
|
||||
addi %r1,%r1,48
|
||||
|
||||
/* Return */
|
||||
blr
|
||||
|
||||
ofw_read:
|
||||
/* Reserve stack space:
|
||||
* 28 bytes for the ofw call
|
||||
* 12 bytes for r8, r9, lr
|
||||
*/
|
||||
/* Reserve stack space ...
|
||||
* 20 bytes for the ofw call,
|
||||
* r8, r9, and lr */
|
||||
subi %r1,%r1,48
|
||||
|
||||
nop
|
||||
|
||||
/* Store r8, r9, lr */
|
||||
stw %r8,28(%r1)
|
||||
stw %r9,32(%r1)
|
||||
mflr %r8
|
||||
stw %r8,36(%r1)
|
||||
|
||||
/* Get read name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_read_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* 3 Arguments and 1 return */
|
||||
li %r9,3
|
||||
stw %r9,4(%r1)
|
||||
li %r9,1
|
||||
stw %r9,8(%r1)
|
||||
|
||||
stw %r3,12(%r1)
|
||||
stw %r4,16(%r1)
|
||||
stw %r5,20(%r1)
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
/* Set argument */
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
|
||||
/* Return */
|
||||
lwz %r3,24(%r1)
|
||||
|
||||
/* Restore registers */
|
||||
lwz %r8,36(%r1)
|
||||
mtlr %r8
|
||||
lwz %r9,32(%r1)
|
||||
lwz %r8,28(%r1)
|
||||
|
||||
addi %r1,%r1,48
|
||||
|
||||
/* Return */
|
||||
blr
|
||||
|
||||
ofw_exit:
|
||||
lis %r3,0xe00000@ha
|
||||
addi %r3,%r3,freeldr_halt - _start
|
||||
|
||||
bl ofw_print_string
|
||||
/*
|
||||
ofw_exit_loop:
|
||||
b ofw_exit_loop
|
||||
*/
|
||||
/* Load the exit name */
|
||||
lis %r8,0xe00000@ha
|
||||
addi %r9,%r8,ofw_exit_name - _start
|
||||
stw %r9,0(%r1)
|
||||
|
||||
/* Zero args, zero returns */
|
||||
xor %r9,%r9,%r9
|
||||
stw %r9,4(%r1)
|
||||
stw %r9,8(%r1)
|
||||
|
||||
/* Load up the call address */
|
||||
lwz %r9,ofw_call_addr - _start(%r8)
|
||||
mtlr %r9
|
||||
|
||||
mr %r3,%r1
|
||||
|
||||
/* Fire */
|
||||
blrl
|
||||
/* No return from exit */
|
||||
|
||||
.org 0x1000
|
||||
freeldr_banner:
|
||||
.ascii "ReactOS OpenFirmware Boot Program\r\n\0"
|
||||
|
||||
freeldr_halt:
|
||||
.ascii "ReactOS OpenFirmware Boot Program Halting\r\n\0"
|
||||
|
||||
freeldr_reg_init:
|
||||
.ascii "r\0"
|
||||
|
||||
freeldr_reg_lr:
|
||||
.ascii "lr \0"
|
||||
freeldr_reg_cr:
|
||||
.ascii "cr \0"
|
||||
freeldr_reg_ctr:
|
||||
.ascii "ctr\0"
|
||||
freeldr_reg_msr:
|
||||
.ascii "msr\0"
|
||||
|
||||
ofw_call_addr:
|
||||
.long 0
|
||||
|
||||
ofw_memory_size:
|
||||
.long 0
|
||||
.long 0
|
||||
.long 0
|
||||
.long 0
|
||||
|
||||
ofw_finddevice_name:
|
||||
.ascii "finddevice\0"
|
||||
|
||||
ofw_getprop_name:
|
||||
.ascii "getprop\0"
|
||||
|
||||
ofw_write_name:
|
||||
.ascii "write\0"
|
||||
|
||||
ofw_read_name:
|
||||
.ascii "read\0"
|
||||
|
||||
ofw_exit_name:
|
||||
.ascii "exit\0"
|
||||
|
||||
ofw_chosen_name:
|
||||
.ascii "/chosen\0"
|
||||
|
||||
ofw_stdout_name:
|
||||
.ascii "stdout\0"
|
||||
|
||||
ofw_memory_name:
|
||||
.ascii "/memory@0\0"
|
||||
|
||||
ofw_reg_name:
|
||||
.ascii "reg\0"
|
||||
|
||||
ofw_functions:
|
||||
.long ofw_finddevice_hook
|
||||
.long ofw_getprop_hook
|
||||
.long ofw_write
|
||||
.long ofw_read
|
||||
.long ofw_exit
|
||||
.long ofw_print_regs
|
||||
.long ofw_print_string
|
||||
.long ofw_print_number
|
||||
|
||||
.org 0x2000
|
||||
stack:
|
||||
.space 0x4000
|
||||
Loading…
Reference in a new issue