- add support for raw CDROM under MacOS X, from
Scott Brumbaugh <scottcb@gte.net>
This commit is contained in:
Bryce Denney
parent
6ac92c21e6
commit
d2bf9cb219
@ -146,6 +146,7 @@ DYNAMIC_LIB = dynamic/libdynamic.a
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INSTRUMENT_LIB = @INSTRUMENT_DIR@/libinstrument.a
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FPU_LIB = fpu/libfpu.a
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READLINE_LIB = @READLINE_LIB@
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EXTRA_LINK_OPTS = @EXTRA_LINK_OPTS@
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BX_OBJS = @NONINLINE_VAR@
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@ -177,7 +178,8 @@ bochs@EXE@: @IODEV_LIB_VAR@ @DEBUGGER_VAR@ \
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$(GUI_LINK_OPTS) \
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$(MCH_LINK_FLAGS) \
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$(SIMX86_LINK_FLAGS) \
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$(READLINE_LIB)
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$(READLINE_LIB) \
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$(EXTRA_LINK_OPTS)
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bximage@EXE@: misc/bximage.o
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@LINK@ misc/bximage.o
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@ -190,7 +192,7 @@ $(BX_OBJS): $(BX_INCLUDES)
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bxversion.h:
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$(RM) -f bxversion.h
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echo '/////////////////////////////////////////////////////////////////////////' > bxversion.h
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echo '// $$Id: Makefile.in,v 1.58 2001-11-18 02:32:59 bdenney Exp $$' >> bxversion.h
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echo '// $$Id: Makefile.in,v 1.59 2001-12-07 21:56:13 bdenney Exp $$' >> bxversion.h
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echo '/////////////////////////////////////////////////////////////////////////' >> bxversion.h
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echo '// This file is generated by "make bxversion.h"' >> bxversion.h
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echo "#define VER_STRING \"$(VER_STRING)\"" >> bxversion.h
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@ -767,7 +767,7 @@ AC_ARG_ENABLE(x86-debugger,
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AC_MSG_CHECKING(for CDROM support)
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AC_ARG_ENABLE(cdrom,
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[ --enable-cdrom CDROM support],
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[ if test "$enableval" = no; then
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[if test "$enableval" = no; then
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AC_MSG_RESULT(no)
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CDROM_OBJS=''
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AC_DEFINE(BX_SUPPORT_CDROM, 0)
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@ -777,6 +777,11 @@ AC_ARG_ENABLE(cdrom,
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if test "$with_amigaos" = yes; then
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# use the amiga cdrom file instead.
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CDROM_OBJS="cdrom_amigaos.o"
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elif test "$with_osxcdrom" = yes; then
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# use cdrom_osx
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AC_MSG_RESULT(Using OSX IOKit CD Interface)
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CDROM_OBJS="cdrom_osx.o"
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EXTRA_LINK_OPTS="${EXTRA_LINK_OPTS} -framework IOKit -framework CoreFoundation"
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elif test "$with_beos" = yes; then
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# use the beos cdrom file instead
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CDROM_OBJS="$CDROM_OBJS cdrom_beos.o"
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@ -911,7 +916,11 @@ AC_ARG_WITH(rfb,
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)
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AC_ARG_WITH(amigaos,
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[ --with-amigaos use MorphOS (Amiga)],
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[ --with-amigaos use MorphOS (Amiga)],
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)
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AC_ARG_WITH(osxcdrom,
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[ --with-osxcdrom use Mac OSX cdrom driver],
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)
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AC_MSG_CHECKING(for gui library to use)
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@ -1118,6 +1127,7 @@ AC_SUBST(CD_UP_TWO)
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AC_SUBST(VERSION)
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AC_SUBST(VER_STRING)
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AC_SUBST(REL_STRING)
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AC_SUBST(EXTRA_LINK_OPTS)
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AC_PATH_PROG(GZIP, gzip)
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AC_PATH_PROG(TAR, tar)
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@ -126,6 +126,16 @@ cdrom_amigaos.o: cdrom_amigaos.@CPP_SUFFIX@ ../bochs.h ../config.h ../osdep.h \
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../iodev/serial.h ../iodev/unmapped.h ../iodev/eth.h ../iodev/ne2k.h \
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../iodev/guest2host.h ../iodev/slowdown_timer.h \
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../instrument/stubs/instrument.h scsi_commands.h
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cdrom_osx.o: cdrom_osx.@CPP_SUFFIX@ ../bochs.h ../config.h ../osdep.h \
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../debug/debug.h ../bxversion.h ../gui/siminterface.h ../state_file.h \
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../cpu/cpu.h ../cpu/lazy_flags.h ../memory/memory.h ../pc_system.h \
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../gui/gui.h ../gui/control.h ../iodev/iodev.h ../iodev/pci.h \
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../iodev/vga.h ../iodev/cmos.h ../iodev/dma.h ../iodev/floppy.h \
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../iodev/harddrv.h ../iodev/cdrom.h ../iodev/keyboard.h \
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../iodev/parallel.h ../iodev/pic.h ../iodev/pit.h ../iodev/pit_wrap.h \
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../iodev/pit82c54.h ../iodev/serial.h ../iodev/unmapped.h \
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../iodev/eth.h ../iodev/ne2k.h ../iodev/guest2host.h \
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../iodev/slowdown_timer.h ../instrument/stubs/instrument.h
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cmos.o: cmos.@CPP_SUFFIX@ ../bochs.h ../config.h ../osdep.h ../debug/debug.h \
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../bxversion.h ../gui/siminterface.h ../state_file.h ../cpu/cpu.h \
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../cpu/lazy_flags.h ../memory/memory.h ../pc_system.h ../gui/gui.h \
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494
bochs/iodev/cdrom_osx.cc
Normal file
494
bochs/iodev/cdrom_osx.cc
Normal file
@ -0,0 +1,494 @@
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// CDROM interface for MacOSX 10+. Uses IOKit facilities
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// inplace of the ioctl driver interface used by the rest
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// of the Unixes.
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//
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// Features:
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//
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// To configure and build with this cdrom interface, configure
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// with:
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//
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// ./configure --enable-cdrom --with-osxcdrom
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//
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// On MacOSX the CD device special file -/dev/cdrom,/dev/disk3,etc..., is
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// determined dynamically by the kernel so the user should not,
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// theoretically, need to set cdromd in the configuration file. However,
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// to conform to the existing boch design the user should just add any
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// file path to keep the core of bochs happy example,
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//
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// cdromd: dev=/dev/cdrom, status=inserted
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//
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// is fine, even though there is no /dev/cdrom.
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//
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// Much of the IOKit code was taken from two sources, "Inside MacOSX:
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// Accessing Hardware From Applications", a pdf document and the mount
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// source ("mount_cd9660.c") both of these are available on the
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// apple website, http://developer.apple.com
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//
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// The ::read_toc bochs interface is not implemented. The reason for
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// this is that at this point we do not have an application that will
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// excersize this interface. The actual reading of the toc using IOKit
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// is here and is used to get the size of the data on the cd for
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// ::capacity. The issue with read_toc is formatting the toc entries to
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// pass back to bochs.
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//
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// The loggin functions are not available outside of the cdrom_interface
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// class. That is the reason for the printfs in the static functions below.
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// Each cdrom_interface should inherit from cdrom_interface_base. The methods
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// that need to be implemented uniquely should be declared virtual in
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// cdrom_interface_base. cdrom.h needs to be untangled from the rest of
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// the system for this to work painlessly.
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//
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// Scott Brumbaugh <scott@openosx.com> Dec 5, 2001
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//
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#include "bochs.h"
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#define LOG_THIS
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <dev/disk.h>
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#include <errno.h>
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#include <paths.h>
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#include <sys/param.h>
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// This is needed to avoid a collision between
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// with Boolean as used elsewhere.
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#define Boolean _ourBoolean
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typedef unsigned char _ourBoolean;
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#include <IOKit/IOKitLib.h>
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#include <IOKit/IOBSD.h>
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#include <IOKit/storage/IOCDMedia.h>
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#include <IOKit/storage/IOMedia.h>
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#include <IOKit/storage/IOCDTypes.h>
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#include <CoreFoundation/CoreFoundation.h>
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// These definitions were taken from mount_cd9660.c
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// There are some similar definitions in IOCDTypes.h
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// however there seems to be some dissagreement in
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// the definition of CDTOC.length
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struct _CDMSF {
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u_char minute;
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u_char second;
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u_char frame;
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};
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#define MSF_TO_LBA(msf) \
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(((((msf).minute * 60UL) + (msf).second) * 75UL) + (msf).frame - 150)
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struct _CDTOC_Desc {
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u_char session;
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u_char ctrl_adr; /* typed to be machine and compiler independent */
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u_char tno;
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u_char point;
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struct _CDMSF address;
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u_char zero;
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struct _CDMSF p;
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};
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struct _CDTOC {
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u_short length; /* in native cpu endian */
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u_char first_session;
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u_char last_session;
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struct _CDTOC_Desc trackdesc[1];
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};
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static kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator,
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mach_port_t *masterPort )
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{
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kern_return_t kernResult;
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CFMutableDictionaryRef classesToMatch;
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kernResult = IOMasterPort( bootstrap_port, masterPort );
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if ( kernResult != KERN_SUCCESS )
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{
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fprintf ( stderr, "IOMasterPort returned %d\n", kernResult );
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return kernResult;
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}
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// CD media are instances of class kIOCDMediaClass.
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classesToMatch = IOServiceMatching( kIOCDMediaClass );
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if ( classesToMatch == NULL )
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fprintf ( stderr, "IOServiceMatching returned a NULL dictionary.\n" );
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else
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{
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// Each IOMedia object has a property with key kIOMediaEjectable
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// which is true if the media is indeed ejectable. So add property
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// to CFDictionary for matching.
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CFDictionarySetValue( classesToMatch,
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CFSTR( kIOMediaEjectable ), kCFBooleanTrue );
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}
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kernResult = IOServiceGetMatchingServices( *masterPort,
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classesToMatch, mediaIterator );
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if ( (kernResult != KERN_SUCCESS) || (*mediaIterator == NULL) )
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fprintf( stderr, "No ejectable CD media found.\n kernResult = %d\n", kernResult );
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return kernResult;
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}
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static kern_return_t GetDeviceFilePath( io_iterator_t mediaIterator,
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char *deviceFilePath, CFIndex maxPathSize )
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{
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io_object_t nextMedia;
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kern_return_t kernResult = KERN_FAILURE;
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nextMedia = IOIteratorNext( mediaIterator );
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if ( nextMedia == NULL )
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{
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*deviceFilePath = '\0';
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}
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else
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{
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CFTypeRef deviceFilePathAsCFString;
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deviceFilePathAsCFString = IORegistryEntryCreateCFProperty(
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nextMedia, CFSTR( kIOBSDName ),
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kCFAllocatorDefault, 0 );
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*deviceFilePath = '\0';
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if ( deviceFilePathAsCFString )
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{
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size_t devPathLength = strlen( _PATH_DEV );
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strcpy( deviceFilePath, _PATH_DEV );
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if ( CFStringGetCString( (const __CFString *) deviceFilePathAsCFString,
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deviceFilePath + devPathLength,
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maxPathSize - devPathLength,
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kCFStringEncodingASCII ) )
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{
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// fprintf( stderr, "BSD path: %s\n", deviceFilePath );
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kernResult = KERN_SUCCESS;
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}
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CFRelease( deviceFilePathAsCFString );
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}
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}
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IOObjectRelease( nextMedia );
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return kernResult;
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}
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static int OpenDrive( const char *deviceFilePath )
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{
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int fileDescriptor;
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fileDescriptor = open( deviceFilePath, O_RDONLY );
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if ( fileDescriptor == -1 )
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fprintf( stderr, "Error %d opening device %s.\n", errno, deviceFilePath );
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return fileDescriptor;
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}
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static struct _CDTOC * ReadTOC( const char * devpath ) {
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struct _CDTOC * toc_p = NULL;
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io_iterator_t iterator = 0;
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io_registry_entry_t service = 0;
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CFDictionaryRef properties = 0;
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CFDataRef data = 0;
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mach_port_t port = 0;
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char * devname;
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if (( devname = strrchr( devpath, '/' )) != NULL ) {
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++devname;
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}
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else {
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devname = (char *) devpath;
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}
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if ( IOMasterPort(bootstrap_port, &port ) != KERN_SUCCESS ) {
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fprintf( stderr, "IOMasterPort failed\n" );
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goto Exit;
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}
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if ( IOServiceGetMatchingServices( port, IOBSDNameMatching( port, 0, devname ),
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&iterator ) != KERN_SUCCESS ) {
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fprintf( stderr, "IOServiceGetMatchingServices failed\n" );
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goto Exit;
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}
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service = IOIteratorNext( iterator );
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IOObjectRelease( iterator );
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iterator = 0;
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while ( service && !IOObjectConformsTo( service, "IOCDMedia" )) {
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if ( IORegistryEntryGetParentIterator( service, kIOServicePlane,
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&iterator ) != KERN_SUCCESS ) {
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fprintf( stderr, "IORegistryEntryGetParentIterator failed\n" );
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goto Exit;
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}
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IOObjectRelease( service );
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service = IOIteratorNext( iterator );
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IOObjectRelease( iterator );
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}
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if ( service == NULL ) {
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fprintf( stderr, "CD media not found\n" );
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goto Exit;
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}
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if ( IORegistryEntryCreateCFProperties( service, (__CFDictionary **) &properties,
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kCFAllocatorDefault,
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kNilOptions ) != KERN_SUCCESS ) {
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fprintf( stderr, "IORegistryEntryGetParentIterator failed\n" );
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goto Exit;
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}
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data = (CFDataRef) CFDictionaryGetValue( properties, CFSTR("TOC") );
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if ( data == NULL ) {
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fprintf( stderr, "CFDictionaryGetValue failed\n" );
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goto Exit;
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}
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else {
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CFRange range;
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CFIndex buflen;
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buflen = CFDataGetLength( data ) + 1;
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range = CFRangeMake( 0, buflen );
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toc_p = (struct _CDTOC *) malloc( buflen );
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if ( toc_p == NULL ) {
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fprintf( stderr, "Out of memory\n" );
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goto Exit;
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}
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else {
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CFDataGetBytes( data, range, (unsigned char *) toc_p );
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}
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/*
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fprintf( stderr, "Table of contents\n length %d first %d last %d\n",
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toc_p->length, toc_p->first_session, toc_p->last_session );
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*/
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CFRelease( properties );
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}
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Exit:
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if ( service ) {
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IOObjectRelease( service );
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}
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return toc_p;
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}
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static char CDDevicePath[ MAXPATHLEN ];
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cdrom_interface::cdrom_interface(char *dev)
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{
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put("CD");
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settype(CDLOG);
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fd = -1; // File descriptor not yet allocated
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if ( dev == NULL )
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path = NULL;
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else {
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path = strdup(dev);
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}
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using_file=0;
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}
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void
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cdrom_interface::init(void) {
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BX_DEBUG(("cdrom_osx.cc,v 0.1 2001/12/5 sbrumbaugh scott@openosx.com"));
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BX_INFO(("file = '%s'",path));
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}
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cdrom_interface::~cdrom_interface(void)
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{
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if (fd >= 0)
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close(fd);
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if (path)
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free(path);
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BX_DEBUG(("Exit"));
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}
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bool
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cdrom_interface::insert_cdrom()
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{
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mach_port_t masterPort = NULL;
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io_iterator_t mediaIterator;
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kern_return_t kernResult;
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BX_INFO(( "Insert CDROM" ));
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kernResult = FindEjectableCDMedia( &mediaIterator, &masterPort );
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if ( kernResult != KERN_SUCCESS ) {
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BX_INFO (("Unable to find CDROM"));
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return false;
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}
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kernResult = GetDeviceFilePath( mediaIterator, CDDevicePath, sizeof( CDDevicePath ) );
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if ( kernResult != KERN_SUCCESS ) {
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BX_INFO (("Unable to get CDROM device file path" ));
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return false;
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}
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// Here a cdrom was found so see if we can read from it.
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// At this point a failure will result in panic.
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if ( strlen( CDDevicePath ) ) {
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fd = OpenDrive( CDDevicePath );
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if ( fd < 0 ) {
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BX_PANIC(( "Unable to open CDROM" ));
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}
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// read a test track
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char buffer[2048];
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if ( read( fd, buffer, 2048 ) == -1 ) {
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BX_PANIC(( "Unable to read from CDROM error %d", errno ));
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}
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}
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BX_INFO(( "Found CD at %s opened on descriptor %d", CDDevicePath, fd ));
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return true;
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}
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void
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cdrom_interface::eject_cdrom()
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{
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// Logically eject the CD. I suppose we could stick in
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// some ioctl() calls to really eject the CD as well.
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BX_INFO(( "Eject" ));
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close(fd);
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fd = -1;
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}
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bool
|
||||
cdrom_interface::read_toc(uint8* buf, int* length, bool msf, int start_track)
|
||||
{
|
||||
// Read CD TOC. Returns false if start track is out of bounds.
|
||||
|
||||
BX_INFO(( "Read TOC - Not Implemented" ));
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
// Find the size of the first data track on the cd. This has produced
|
||||
// the same results as the linux version on every cd I have tried, about
|
||||
// 5. The differences here seem to be that the entries in the TOC when
|
||||
// retrieved from the IOKit interface appear in a reversed order when
|
||||
// compared with the linux READTOCENTRY ioctl.
|
||||
uint32
|
||||
cdrom_interface::capacity()
|
||||
{
|
||||
|
||||
// Return CD-ROM capacity. I believe you want to return
|
||||
// the number of bytes of capacity the actual media has.
|
||||
|
||||
BX_INFO(( "Capacity" ));
|
||||
|
||||
struct _CDTOC * toc = ReadTOC( CDDevicePath );
|
||||
|
||||
if ( toc == NULL ) {
|
||||
BX_PANIC(( "capacity: Failed to read toc" ));
|
||||
}
|
||||
|
||||
size_t toc_entries = ( toc->length - 2 ) / sizeof( struct _CDTOC_Desc );
|
||||
|
||||
BX_DEBUG(( "reading %d toc entries\n", toc_entries ));
|
||||
|
||||
int start_sector = -1;
|
||||
int data_track = -1;
|
||||
|
||||
// Iterate through the list backward. Pick the first data track and
|
||||
// get the address of the immediately previous (or following depending
|
||||
// on how you look at it). The difference in the sector numbers
|
||||
// is returned as the sized of the data track.
|
||||
for ( int i=toc_entries - 1; i>=0; i-- ) {
|
||||
|
||||
BX_DEBUG(( "session %d ctl_adr %d tno %d point %d lba %d z %d p lba %d\n",
|
||||
(int)toc->trackdesc[i].session,
|
||||
(int)toc->trackdesc[i].ctrl_adr,
|
||||
(int)toc->trackdesc[i].tno,
|
||||
(int)toc->trackdesc[i].point,
|
||||
MSF_TO_LBA( toc->trackdesc[i].address ),
|
||||
(int)toc->trackdesc[i].zero,
|
||||
MSF_TO_LBA(toc->trackdesc[i].p )));
|
||||
|
||||
if ( start_sector != -1 ) {
|
||||
|
||||
start_sector = MSF_TO_LBA(toc->trackdesc[i].p) - start_sector;
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
if (( toc->trackdesc[i].ctrl_adr >> 4) != 1 ) continue;
|
||||
|
||||
if ( toc->trackdesc[i].ctrl_adr & 0x04 ) {
|
||||
|
||||
data_track = toc->trackdesc[i].point;
|
||||
|
||||
start_sector = MSF_TO_LBA(toc->trackdesc[i].p);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
free( toc );
|
||||
|
||||
if ( start_sector == -1 ) {
|
||||
start_sector = 0;
|
||||
}
|
||||
|
||||
BX_INFO(("first data track %d data size is %d", data_track, start_sector));
|
||||
|
||||
return start_sector;
|
||||
|
||||
}
|
||||
|
||||
#define CD_FRAMESIZE (2048)
|
||||
#define CD_SEEK_DISTANCE kCDSectorSizeWhole
|
||||
|
||||
// The seeks on the CD need to be measured with kCDSectorSizeWhole which is
|
||||
// defined to be 2352 or close. We then need to jump ahead 16 bytes to the
|
||||
// data and read out the next 2048 as the data.
|
||||
void
|
||||
cdrom_interface::read_block(uint8* buf, int lba)
|
||||
{
|
||||
// Read a single block from the CD
|
||||
|
||||
off_t pos;
|
||||
ssize_t n;
|
||||
|
||||
// This seek will leave us 16 bytes from the start of the data
|
||||
// hence the magic number.
|
||||
pos = lseek(fd, lba*CD_SEEK_DISTANCE + 16, SEEK_SET);
|
||||
if (pos < 0) {
|
||||
BX_PANIC(("cdrom: read_block: lseek returned error."));
|
||||
}
|
||||
n = read(fd, buf, CD_FRAMESIZE);
|
||||
|
||||
if (n != CD_FRAMESIZE) {
|
||||
BX_PANIC(("cdrom: read_block: read returned %d",
|
||||
(int) n));
|
||||
}
|
||||
|
||||
/*
|
||||
for (int i=0; i<CD_FRAMESIZE; i++) {
|
||||
printf (" %2X", buf[i] );
|
||||
}
|
||||
printf ("\n");
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user