Import backup from 2004-03-15
This commit is contained in:
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ab576bf18f
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7110307896
233
Makefile
233
Makefile
@ -1,116 +1,117 @@
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#####################################################################
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# Author: Benjamen R. Meyer #
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# Date: 2004-2-15 #
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# Purpose: To build Josh Holtrop's OS (HOS) using GNU make #
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# Note: This makefile is for use on Linux & other Unix-like systems #
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#####################################################################
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##############
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# Variables: #
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##############
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# Information for creating a floppy image
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# Note: FLOPPY_FS and FLOPPY_FAT_SIZE are related fields.
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# FLOPPY_FAT_SIZE should be either 12 or 16,
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# depending on if FLOPPY_FS is FAT12 or FAT16, respectively.
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MKDOSFS_PROG=/sbin/mkdosfs
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FLOPPY_IMAGE=floppy.img
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FLOPPY_BLOCK_COUNT=1440
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FLOPPY_FS=FAT12
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FLOPPY_FAT_SIZE=12
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FLOPPY_MOUNT=./floppy_image
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# Floppy images are good for programs like VMware and Bochs Pentium Emulator. ;-)
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# Program for copying
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COPY_BIN=cp
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##########################################
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# Build the IPL (Boot Loader) and Kernel #
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##########################################
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all:
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# A word of warning to users :-> And a little helpful information ;-)
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@echo "Installation must be done as root."
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@echo "Type 'make install' to install to a floppy in drive '/dev/fd0'"
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@echo "Type 'make install_img' to create a floppy image and install to it."
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cd boot; make
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cd kernel; make
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#################################################
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# Clean up the source directory of any binaries #
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#################################################
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clean:
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cd boot; make clean
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cd kernel; make clean
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###########################################
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# The following is for the floppy drive #
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# Note: This must be done on *nix as root #
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###########################################
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##########################
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# Make install to floppy #
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##########################
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install: Install_IPL File_Copy
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############################################
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# Write the Stage 1 IPL to the boot sector #
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############################################
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Install_IPL:
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$(MKDOSFS_PROG) /dev/fd0
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dd if=boot/stage1.bin of=/dev/fd0
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#################################
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# Copy the files onto the drive #
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#################################
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File_Copy:
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mkdir floppy_mount
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@echo "Mounting floppy to ./floppy_mount..."
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mount /dev/fd0 ./floppy_mount
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@echo "Copying stage 2 bootloader to the floppy..."
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$(COPY_BIN) boot/stage2.bin ./floppy_mount
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@echo "Copying kernel to the floppy..."
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$(COPY_BIN) kernel/kernel.bin ./floppy_mount
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@echo "Unmounting floppy..."
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umount ./floppy_mount
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rm -rf floppy_mount
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############################################
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# The following is for the floppy image. #
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# Note: This must be done on *nix as root. #
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############################################
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######################################
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# Create and Format the floppy image #
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######################################
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install_img:
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$(MKDOSFS_PROG) -C -F $(FLOPPY_FAT_SIZE) -r 112 $(FLOPPY_IMAGE) $(FLOPPY_BLOCK_COUNT)
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############################################
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# Write the Stage 1 IPL to the boot sector #
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############################################
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@echo "Writing boot sector to image..."
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dd if=stage1.bin of=$(FLOPPY_IMAGE) seek=0
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#################################
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# Copy the files onto the image #
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#################################
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@echo "Mounting floppy image..."
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mount $(FLOPPY_IMAGE) $(FLOPPY_MOUNT) -o loop
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@echo "Copying stage 2 bootloader to the floppy image..."
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$(COPY_BIN) stage2.bin $(FLOPPY_MOUNT)
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@echo "Copying kernel to the floppy image..."
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$(COPY_BIN) kernel.bin $(FLOPPY_MOUNT)
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@echo "Unmounting floppy image..."
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mount $(FLOPPY_IMAGE) $(FLOPPY_MOUNT) -o loop
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#####################################################################
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# Author: Benjamen R. Meyer #
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# Date: 2004-2-15 #
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# Purpose: To build Josh Holtrop's OS (HOS) using GNU make #
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# Note: This makefile is for use on Linux & other Unix-like systems #
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#####################################################################
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##############
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# Variables: #
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##############
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# Information for creating a floppy image
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# Note: FLOPPY_FS and FLOPPY_FAT_SIZE are related fields.
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# FLOPPY_FAT_SIZE should be either 12 or 16,
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# depending on if FLOPPY_FS is FAT12 or FAT16, respectively.
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MKDOSFS_PROG=/sbin/mkdosfs
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FLOPPY_IMAGE=floppy.img
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FLOPPY_BLOCK_COUNT=1440
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FLOPPY_FS=FAT12
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FLOPPY_FAT_SIZE=12
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FLOPPY_MOUNT=./floppy_image
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# Floppy images are good for programs like VMware and Bochs Pentium Emulator. ;-)
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# Program for copying
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COPY_BIN=cp
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##########################################
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# Build the IPL (Boot Loader) and Kernel #
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##########################################
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all:
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# A word of warning to users :-> And a little helpful information ;-)
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@echo "Installation must be done as root."
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@echo "Type 'make install' to install to a floppy in drive '/dev/fd0'"
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@echo "Type 'make install_img' to create a floppy image and install to it."
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cd boot; make
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cd kernel; make
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#################################################
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# Clean up the source directory of any binaries #
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#################################################
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clean:
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cd boot; make clean
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cd kernel; make clean
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###########################################
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# The following is for the floppy drive #
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# Note: This must be done on *nix as root #
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###########################################
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##########################
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# Make install to floppy #
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##########################
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install: Install_IPL File_Copy
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############################################
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# Write the Stage 1 IPL to the boot sector #
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############################################
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Install_IPL:
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$(MKDOSFS_PROG) /dev/fd0
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dd if=boot/stage1.bin of=/dev/fd0
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#################################
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# Copy the files onto the drive #
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#################################
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File_Copy:
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- mkdir floppy_mount
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@echo "Mounting floppy to ./floppy_mount..."
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mount /dev/fd0 ./floppy_mount
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@echo "Copying stage 2 bootloader to the floppy..."
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$(COPY_BIN) boot/stage2.bin ./floppy_mount
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@echo "Copying kernel to the floppy..."
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$(COPY_BIN) kernel/kernel.bin ./floppy_mount
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@echo "Unmounting floppy..."
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umount ./floppy_mount
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- rm -rf floppy_mount
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############################################
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# The following is for the floppy image. #
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# Note: This must be done on *nix as root. #
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############################################
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######################################
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# Create and Format the floppy image #
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######################################
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install_img:
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$(MKDOSFS_PROG) -C -F $(FLOPPY_FAT_SIZE) -r 112 $(FLOPPY_IMAGE) $(FLOPPY_BLOCK_COUNT)
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############################################
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# Write the Stage 1 IPL to the boot sector #
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############################################
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@echo "Writing boot sector to image..."
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dd if=stage1.bin of=$(FLOPPY_IMAGE) seek=0
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#################################
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# Copy the files onto the image #
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#################################
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- mkdir $(FLOPPY_MOUNT)
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@echo "Mounting floppy image..."
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mount $(FLOPPY_IMAGE) $(FLOPPY_MOUNT) -o loop
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@echo "Copying stage 2 bootloader to the floppy image..."
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$(COPY_BIN) stage2.bin $(FLOPPY_MOUNT)
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@echo "Copying kernel to the floppy image..."
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$(COPY_BIN) kernel.bin $(FLOPPY_MOUNT)
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@echo "Unmounting floppy image..."
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mount $(FLOPPY_IMAGE) $(FLOPPY_MOUNT) -o loop
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@ -1,33 +1,42 @@
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// vfs.c
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// Author: Josh Holtrop
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// Date: 03/11/04
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#include "vfs.h"
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#include "hos_defines.h"
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Volume *firstVolume = 0;
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void vfs_init()
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{
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dword initrdLoaded = *(byte *)BOOT_HASRD;
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}
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Volume *vfs_newVolume()
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{
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Volume *vol = malloc(sizeof(Volume));
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vfs_getLastVolume()->link = vol;
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return vol;
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}
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Volume *vfs_getLastVolume()
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{
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Volume *vol = firstVolume;
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while (vol)
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vol = vol->link;
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return vol;
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}
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// vfs.c
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// Author: Josh Holtrop
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// Date: 03/11/04
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#include "vfs.h"
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#include "hos_defines.h"
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Volume *firstVolume = 0;
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Volume *rootVolume = 0;
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void vfs_init()
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{
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if(*(byte *)BOOT_HASRD) //bootloader loaded an initial ram disk
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{
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Volume *initrd = vfs_newVolume();
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RamDisk *rd = rd_newDisk(0xC0200000, 1440*1024);
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initrd->diskDevice = rd;
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initrd->deviceType = VFS_RD;
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strcpy(initrd->label, "rd0");
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initrd->link = 0;
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rootVolume = initrd;
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}
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}
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Volume *vfs_newVolume()
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{
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Volume *vol = malloc(sizeof(Volume));
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vfs_getLastVolume()->link = vol;
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return vol;
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}
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Volume *vfs_getLastVolume()
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{
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Volume *vol = firstVolume;
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while (vol)
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vol = vol->link;
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return vol;
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}
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@ -139,7 +139,7 @@ void putHex(dword number)
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void kio_putBCD(dword bcd)
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{
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putc(((bcd & 0xF) >> 4) + '0');
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putc(((bcd & 0xF0) >> 4) + '0');
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putc((bcd & 0xF) + '0');
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}
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@ -1,13 +0,0 @@
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Exception: STATUS_ACCESS_VIOLATION at eip=00462A1A
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eax=00000000 ebx=00001000 ecx=0A04865C edx=00000200 esi=0A04724C edi=FFFFFE00
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ebp=0022EB88 esp=0022EB20 program=C:\cygwin\bin\ld.exe
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cs=001B ds=0023 es=0023 fs=0038 gs=0000 ss=0023
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Stack trace:
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Frame Function Args
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0022EB88 00462A1A (0A046CD8, 0022EC70, 0A04EF10, 610D3F69)
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0022EE68 00448567 (0A046CD8, 30303030, 0022EE00, 0A04E758)
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0022EEF8 0043FCA0 (0A046CD8, 0041BBDE, 77E88AC8, FFFFFFFF)
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0022EF40 0041C322 (0000001B, 6167241C, 0A0400A8, 0022EF98)
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0022EF80 61005DE0 (0022EF98, 00000000, 002304CC, 536CD652)
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0022FF90 61005EE5 (00000000, 00000000, 00000000, 00000000)
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End of stack trace
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