Oct 14 20:04 1995  diff -r -l code/Makefile ../../code/Makefile Page 1


24c24
< 	/bin/csh -c "rm -f */{core,nachos,DISK,*.o,swtch.s} test/{*.coff} bin/{coff2flat,coff2noff,disassemble,out}"
---
> 	/bin/csh -c "rm -f */{core,nachos,DISK,*.o,swtch.s} test/{*.coff} bin/{coff2flat,coff2noff,disassemble}"
Oct 14 20:04 1995  diff -r -l code/Makefile.dep ../../code/Makefile.dep Page 1


11c11
< HOST = -DHOST_MIPS
---
> #HOST = -DHOST_MIPS
14c14
< # HOST = -DHOST_SPARC -DHOST_IS_BIG_ENDIAN
---
>  HOST = -DHOST_SPARC -DHOST_IS_BIG_ENDIAN
Oct 14 20:04 1995  diff -r -l code/bin/Makefile ../../code/bin/Makefile Page 1


17c17,18
< CFLAGS=-I./ -I../threads
---
> # CFLAGS=-I./ -I../threads
> CFLAGS=-I./ -I../threads -DHOST_IS_BIG_ENDIAN
20c21,22
< all: coff2noff disassemble 
---
> #all: coff2noff disassemble 
> all: coff2noff
Oct 14 20:04 1995  diff -r -l code/machine/sysdep.cc ../../code/machine/sysdep.cc Page 1


28a29,33
> #include "sparc-signal.h"
> #include "sparc-stat.h"
> }
> 
> extern "C" {
33c38
< #include <sys/time.h>
---
> #include <time.h>
50c55,60
< // int open(const char *name, int flags, ...);
---
> // int open(char *name, int flags, ...);
> #else
> #ifdef HOST_SPARC
> // RJF - Added this branch for our SPARCs
> // int creat(char *name, unsigned short mode);
> // int open(char *name, int flags, ...);
52,53c62,64
< int creat(const char *name, unsigned short mode);
< int open(const char *name, int flags, ...);
---
> int creat(char *name, int mode);
> int open(char *name, int flags, int mode);
> #endif
74,75c85,89
< // extern int recvfrom(int s, void *buf, int len, int flags, void *from, int *fromlen);
< // extern int sendto(int s, void *msg, int len, int flags, void *to, int tolen);
---
> extern int recvfrom(int s, void *buf, int len, int flags, void *from, int *fromlen);
> extern int sendto(int s, void *msg, int len, int flags, void *to, int tolen);
> extern int socket(int domain, int type, int protocol);
> extern int bind(int s, void *name, int namelen);
> extern int getpagesize();
84,88d97
< 
< int socket(int, int, int);
< int bind (int, const void*, int);
< int recvfrom (int, void*, int, int, void*, int *);
< int sendto (int, const void*, int, int, void*, int);
315c324
<     retVal = bind(sockID, (struct sockaddr *) &uName, sizeof(uName));
---
>     bind(sockID, (struct sockaddr *) &uName, sizeof(uName));
358c367
<         printf("called: %x, got back %d, %d\n", buffer, retVal, errno);
---
>         printf("called: %x, got back %d, %d\n", (unsigned int) buffer, retVal, errno);
Oct 14 20:04 1995  diff -r -l code/test/Makefile ../../code/test/Makefile Page 1


15,18c15,18
< # GCCDIR = ~/gnu/local/decstation-ultrix/bin/
< # LDFLAGS = -T script -N
< # ASFLAGS = -mips
< # CPPFLAGS = $(INCDIR)
---
> GCCDIR = /homes/firby/gnu/decstation-ultrix/bin/
> LDFLAGS = -T script -N
> ASFLAGS = -mips3
> CPPFLAGS = $(INCDIR)
22,25c22,25
< GCCDIR =
< LDFLAGS = -N -T 0
< ASFLAGS =
< CPPFLAGS = -P $(INCDIR)
---
> # GCCDIR =
> # LDFLAGS = -N -T 0
> # ASFLAGS =
> # CPPFLAGS = -P $(INCDIR)
Oct 14 20:04 1995  diff -r -l code/test/shell.c ../../code/test/shell.c Page 1


10a11
>     int stat;
29a31
>           if(buffer[0] == 'q') Exit(0);
31c33,35
< 		Join(newProc);
---
> 		stat = Join(newProc);
>                 if (stat != 0)
>                   Write("Exit abnormal.\n", 15, output);
Oct 14 20:04 1995  diff -r -l code/threads/Makefile ../../code/threads/Makefile Page 1


21,113c21,151
< main.o : ../threads/main.cc ../threads/copyright.h ../threads/utility.h ../machine/sysdep.h \
<   /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
<   ../threads/list.h ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< list.o : ../threads/list.cc ../threads/copyright.h ../threads/list.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h 
< scheduler.o : ../threads/scheduler.cc ../threads/copyright.h ../threads/scheduler.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../threads/system.h ../machine/interrupt.h \
<   ../machine/stats.h ../machine/timer.h 
< synch.o : ../threads/synch.cc ../threads/copyright.h ../threads/synch.h ../threads/thread.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/list.h ../threads/system.h ../threads/scheduler.h \
<   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< synchlist.o : ../threads/synchlist.cc ../threads/copyright.h ../threads/synchlist.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/synch.h ../threads/thread.h 
< system.o : ../threads/system.cc ../threads/copyright.h ../threads/system.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../threads/scheduler.h \
<   ../threads/list.h ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< thread.o : ../threads/thread.cc ../threads/copyright.h ../threads/thread.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/switch.h ../threads/synch.h ../threads/list.h \
<   ../threads/system.h ../threads/scheduler.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h 
< utility.o : ../threads/utility.cc ../threads/copyright.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h /usr/include/stdarg.h /usr/include/ansi_compat.h 
< threadtest.o : ../threads/threadtest.cc ../threads/copyright.h ../threads/system.h \
Oct 14 20:04 1995  diff -r -l code/threads/Makefile ../../code/threads/Makefile Page 2


<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../threads/scheduler.h \
<   ../threads/list.h ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< interrupt.o : ../machine/interrupt.cc ../threads/copyright.h ../machine/interrupt.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
<   ../machine/stats.h ../machine/timer.h 
< sysdep.o : ../machine/sysdep.cc ../threads/copyright.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h /usr/sww/lib/g++-include/signal.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/signal.h \
<   /usr/sww/lib/g++-include/sys/types.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/sys/types.h \
<   /usr/sww/lib/g++-include/time.h /usr/sww/lib/g++-include/_G_config.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/time.h \
<   /usr/sww/lib/g++-include/sys/socket.h /usr/include/sys/socket.h /usr/sww/lib/g++-include/sys/file.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/sys/file.h /usr/include/sys/un.h \
<   /usr/sww/lib/g++-include/sys/mman.h /usr/include/sys/mman.h ../machine/interrupt.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h ../threads/system.h \
<   ../threads/thread.h ../threads/scheduler.h ../machine/stats.h ../machine/timer.h 
< stats.o : ../machine/stats.cc ../threads/copyright.h ../threads/utility.h ../machine/sysdep.h \
<   /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/stats.h 
< timer.o : ../machine/timer.cc ../threads/copyright.h ../machine/timer.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
<   ../threads/list.h ../machine/interrupt.h ../machine/stats.h 
---
> main.o: ../threads/main.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
>   ../machine/timer.h
> list.o: ../threads/list.cc ../threads/copyright.h ../threads/list.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h
Oct 14 20:04 1995  diff -r -l code/threads/Makefile ../../code/threads/Makefile Page 3


> scheduler.o: ../threads/scheduler.cc ../threads/copyright.h \
>   ../threads/scheduler.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../threads/system.h ../machine/interrupt.h \
>   ../machine/stats.h ../machine/timer.h
> synch.o: ../threads/synch.cc ../threads/copyright.h ../threads/synch.h \
>   ../threads/thread.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/list.h ../threads/system.h ../threads/scheduler.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> synchlist.o: ../threads/synchlist.cc ../threads/copyright.h \
>   ../threads/synchlist.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/synch.h ../threads/thread.h
> system.o: ../threads/system.cc ../threads/copyright.h ../threads/system.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> thread.o: ../threads/thread.cc ../threads/copyright.h ../threads/thread.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/switch.h ../threads/synch.h ../threads/list.h \
>   ../threads/system.h ../threads/scheduler.h ../machine/interrupt.h \
>   ../machine/stats.h ../machine/timer.h
> utility.o: ../threads/utility.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h
> threadtest.o: ../threads/threadtest.cc ../threads/copyright.h \
>   ../threads/system.h ../threads/utility.h ../machine/sysdep.h \
Oct 14 20:04 1995  diff -r -l code/threads/Makefile ../../code/threads/Makefile Page 4


>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> interrupt.o: ../machine/interrupt.cc ../threads/copyright.h \
>   ../machine/interrupt.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
>   ../machine/stats.h ../machine/timer.h
> sysdep.o: ../machine/sysdep.cc ../threads/copyright.h \
>   ../machine/sparc-signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/vm/faultcode.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/sparc-stat.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/types.h \
>   /usr/include/sys/sysmacros.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/time.h \
>   /usr/include/sys/socket.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/file.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/fcntlcom.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stat.h \
>   /usr/include/sys/un.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/mman.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/time.h \
>   ../machine/interrupt.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h ../threads/system.h ../threads/thread.h \
>   ../threads/scheduler.h ../machine/stats.h ../machine/timer.h
> stats.o: ../machine/stats.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/stats.h
> timer.o: ../machine/timer.cc ../threads/copyright.h ../machine/timer.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
Oct 14 20:04 1995  diff -r -l code/threads/Makefile ../../code/threads/Makefile Page 5


>   ../threads/system.h ../threads/thread.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h
Oct 14 20:04 1995  diff -r -l code/threads/main.cc ../../code/threads/main.cc Page 1


56d55
< 
Oct 14 20:04 1995  diff -r -l code/threads/thread.cc ../../code/threads/thread.cc Page 1


26a27,61
> Thread* activeThreads[100];
> int     threadCount;
> 
> void
> MakeThreadActive(Thread *t)
> {
>   t->id = threadCount++;
>   int i = 0;
>   while ((i < 100) && (activeThreads[i] != NULL)) i++;
>   ASSERT( i < 100 );
>   activeThreads[i] = t;
> }
> 
> Thread*
> FindActiveThread(int id)
> {
>   int i = 0;
>   Thread *found = NULL;
>   while ((i < 100) && (found == NULL)) {
>     if (activeThreads[i] != NULL)
>       if (activeThreads[i]->id == id)
>         found = activeThreads[i];
>     i++;
>   }
>   return( found );
> }
> 
> void
> MakeThreadInActive(Thread *t)
> {
>   int i = 0;
>   while ((i < 100) && (activeThreads[i] != t)) i++;
>   if (i < 100) activeThreads[i] = NULL;
> }
> 
40a76
>     MakeThreadActive( this );
42a79,80
>     waitingJoins = new List();
>     exitValue = -1;
62a101
>     MakeThreadInActive( this );
150c189,205
<     
---
> 
> #ifdef USER_PROGRAM
>     if (space != NULL) {
>       delete space;
>       space = NULL;
>     }
>     if (waitingJoins != NULL) {
>       while (waitingJoins->IsEmpty() != TRUE) {
>         Thread *t = (Thread *) waitingJoins->Remove();
>         t->joinValue = exitValue;
Oct 14 20:04 1995  diff -r -l code/threads/thread.cc ../../code/threads/thread.cc Page 2


>         scheduler->ReadyToRun(t);
>       }
>       delete waitingJoins;
>       waitingJoins = NULL;
>     }
> #endif
> 
Oct 14 20:04 1995  diff -r -l code/threads/thread.h ../../code/threads/thread.h Page 1


42c42
< 
---
> #include "list.h"
104a105,106
>     int id;
> 
129a132,134
>     List *waitingJoins;
>     int exitValue;
>     int joinValue;
Oct 14 20:04 1995  diff -r -l code/threads/utility.h ../../code/threads/utility.h Page 1


30,31c30,33
< #include <bool.h>
< 					 	// Boolean values.  
---
> // RJF - Changed this line
> #define FALSE 0
> #define TRUE 1
> //typedef enum { FALSE = 0, TRUE = 1 } bool; 	// Boolean values.  
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 1


30,208c30,269
< main.o : ../threads/main.cc ../threads/copyright.h ../threads/utility.h ../machine/sysdep.h \
<   /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../machine/machine.h \
<   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h \
<   ../machine/stats.h ../machine/timer.h 
< list.o : ../threads/list.cc ../threads/copyright.h ../threads/list.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h 
< scheduler.o : ../threads/scheduler.cc ../threads/copyright.h ../threads/scheduler.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/system.h ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< synch.o : ../threads/synch.cc ../threads/copyright.h ../threads/synch.h ../threads/thread.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/list.h ../threads/system.h ../threads/scheduler.h ../machine/interrupt.h \
<   ../machine/stats.h ../machine/timer.h 
< synchlist.o : ../threads/synchlist.cc ../threads/copyright.h ../threads/synchlist.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/synch.h ../threads/thread.h ../machine/machine.h \
<   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h 
< system.o : ../threads/system.cc ../threads/copyright.h ../threads/system.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h 
< thread.o : ../threads/thread.cc ../threads/copyright.h ../threads/thread.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/machine.h ../machine/translate.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 2


<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/switch.h ../threads/synch.h ../threads/list.h ../threads/system.h \
<   ../threads/scheduler.h ../machine/interrupt.h ../machine/stats.h ../machine/timer.h 
< utility.o : ../threads/utility.cc ../threads/copyright.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h /usr/include/stdarg.h /usr/include/ansi_compat.h 
< threadtest.o : ../threads/threadtest.cc ../threads/copyright.h ../threads/system.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h 
< interrupt.o : ../machine/interrupt.cc ../threads/copyright.h ../machine/interrupt.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../machine/machine.h \
<   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h ../threads/scheduler.h ../machine/stats.h ../machine/timer.h 
< sysdep.o : ../machine/sysdep.cc ../threads/copyright.h /usr/sww/lib/g++-include/stdio.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h /usr/sww/lib/g++-include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h \
<   /usr/sww/lib/g++-include/string.h /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h /usr/sww/lib/g++-include/signal.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/signal.h \
<   /usr/sww/lib/g++-include/sys/types.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/sys/types.h \
<   /usr/sww/lib/g++-include/time.h /usr/sww/lib/g++-include/_G_config.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/time.h \
<   /usr/sww/lib/g++-include/sys/socket.h /usr/include/sys/socket.h /usr/sww/lib/g++-include/sys/file.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/sys/file.h /usr/include/sys/un.h \
<   /usr/sww/lib/g++-include/sys/mman.h /usr/include/sys/mman.h ../machine/interrupt.h \
<   ../threads/list.h ../threads/utility.h ../machine/sysdep.h ../threads/system.h \
<   ../threads/thread.h ../machine/machine.h ../machine/translate.h ../machine/disk.h \
<   ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
<   ../machine/stats.h ../machine/timer.h 
< stats.o : ../machine/stats.cc ../threads/copyright.h ../threads/utility.h ../machine/sysdep.h \
<   /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/stats.h 
< timer.o : ../machine/timer.cc ../threads/copyright.h ../machine/timer.h ../threads/utility.h \
<   ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../machine/machine.h \
<   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h \
<   ../machine/stats.h 
< addrspace.o : ../userprog/addrspace.cc ../threads/copyright.h ../threads/system.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 3


<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h ../bin/noff.h 
< bitmap.o : ../userprog/bitmap.cc ../threads/copyright.h ../userprog/bitmap.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../filesys/openfile.h 
< exception.o : ../userprog/exception.cc ../threads/copyright.h ../threads/system.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h ../userprog/syscall.h 
< progtest.o : ../userprog/progtest.cc ../threads/copyright.h ../threads/system.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/thread.h ../machine/machine.h ../machine/translate.h \
<   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h ../machine/console.h ../threads/synch.h 
< console.o : ../machine/console.cc ../threads/copyright.h ../machine/console.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../threads/system.h ../threads/thread.h ../machine/machine.h \
<   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h \
<   ../machine/stats.h ../machine/timer.h 
< machine.o : ../machine/machine.cc ../threads/copyright.h ../machine/machine.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/translate.h ../machine/disk.h ../threads/system.h \
<   ../threads/thread.h ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h 
< mipssim.o : ../machine/mipssim.cc ../threads/copyright.h ../machine/machine.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/translate.h ../machine/disk.h ../machine/mipssim.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 4


<   ../threads/system.h ../threads/thread.h ../userprog/addrspace.h ../filesys/filesys.h \
<   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h \
<   ../machine/stats.h ../machine/timer.h 
< translate.o : ../machine/translate.cc ../threads/copyright.h ../machine/machine.h \
<   ../threads/utility.h ../machine/sysdep.h /usr/sww/lib/g++-include/stdio.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdio.h \
<   /usr/sww/lib/g++-include/stdarg.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stdarg.h \
<   /usr/sww/lib/gcc-lib/decstation/2.3.3/include/va-mips.h /usr/sww/lib/g++-include/string.h \
<   /usr/sww/lib/g++-include/stddef.h /usr/sww/lib/gcc-lib/decstation/2.3.3/include/stddef.h \
<   /usr/sww/lib/g++-include/memory.h ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
<   ../filesys/filesys.h ../filesys/openfile.h ../threads/system.h ../threads/thread.h \
<   ../threads/scheduler.h ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
<   ../machine/timer.h 
---
> main.o: ../threads/main.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../machine/machine.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
>   ../machine/timer.h
> list.o: ../threads/list.cc ../threads/copyright.h ../threads/list.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h
> scheduler.o: ../threads/scheduler.cc ../threads/copyright.h \
>   ../threads/scheduler.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/system.h ../machine/interrupt.h \
>   ../machine/stats.h ../machine/timer.h
> synch.o: ../threads/synch.cc ../threads/copyright.h ../threads/synch.h \
>   ../threads/thread.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/machine.h ../machine/translate.h ../machine/disk.h \
>   ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
>   ../threads/list.h ../threads/system.h ../threads/scheduler.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> synchlist.o: ../threads/synchlist.cc ../threads/copyright.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 5


>   ../threads/synchlist.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/synch.h ../threads/thread.h ../machine/machine.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h
> system.o: ../threads/system.cc ../threads/copyright.h ../threads/system.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> thread.o: ../threads/thread.cc ../threads/copyright.h ../threads/thread.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/machine.h ../machine/translate.h ../machine/disk.h \
>   ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
>   ../threads/switch.h ../threads/synch.h ../threads/list.h \
>   ../threads/system.h ../threads/scheduler.h ../machine/interrupt.h \
>   ../machine/stats.h ../machine/timer.h
> utility.o: ../threads/utility.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h
> threadtest.o: ../threads/threadtest.cc ../threads/copyright.h \
>   ../threads/system.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> interrupt.o: ../machine/interrupt.cc ../threads/copyright.h \
>   ../machine/interrupt.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 6


>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../machine/machine.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
>   ../machine/stats.h ../machine/timer.h
> sysdep.o: ../machine/sysdep.cc ../threads/copyright.h \
>   ../machine/sparc-signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/vm/faultcode.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/sparc-stat.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/types.h \
>   /usr/include/sys/sysmacros.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/signal.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/time.h \
>   /usr/include/sys/socket.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/file.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/fcntlcom.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stat.h \
>   /usr/include/sys/un.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/mman.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/time.h \
>   ../machine/interrupt.h ../threads/list.h ../threads/utility.h \
>   ../machine/sysdep.h ../threads/system.h ../threads/thread.h \
>   ../machine/machine.h ../machine/translate.h ../machine/disk.h \
>   ../userprog/addrspace.h ../filesys/filesys.h ../filesys/openfile.h \
>   ../threads/scheduler.h ../machine/stats.h ../machine/timer.h
> stats.o: ../machine/stats.cc ../threads/copyright.h ../threads/utility.h \
>   ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/stats.h
> timer.o: ../machine/timer.cc ../threads/copyright.h ../machine/timer.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../machine/machine.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h
> addrspace.o: ../userprog/addrspace.cc ../threads/copyright.h \
>   ../threads/system.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 7


>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h ../bin/noff.h
> bitmap.o: ../userprog/bitmap.cc ../threads/copyright.h ../userprog/bitmap.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../filesys/openfile.h
> exception.o: ../userprog/exception.cc ../threads/copyright.h \
>   ../threads/system.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h \
>   ../userprog/syscall.h
> progtest.o: ../userprog/progtest.cc ../threads/copyright.h \
>   ../threads/system.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/thread.h ../machine/machine.h ../machine/translate.h \
>   ../machine/disk.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h \
>   ../machine/console.h ../threads/synch.h
> console.o: ../machine/console.cc ../threads/copyright.h ../machine/console.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../threads/system.h ../threads/thread.h ../machine/machine.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
>   ../machine/timer.h
> machine.o: ../machine/machine.cc ../threads/copyright.h ../machine/machine.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
Oct 14 20:04 1995  diff -r -l code/userprog/Makefile ../../code/userprog/Makefile Page 8


>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/translate.h ../machine/disk.h ../threads/system.h \
>   ../threads/thread.h ../userprog/addrspace.h ../filesys/filesys.h \
>   ../filesys/openfile.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
> mipssim.o: ../machine/mipssim.cc ../threads/copyright.h ../machine/machine.h \
>   ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/translate.h ../machine/disk.h ../machine/mipssim.h \
>   ../threads/system.h ../threads/thread.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/scheduler.h \
>   ../threads/list.h ../machine/interrupt.h ../machine/stats.h \
>   ../machine/timer.h
> translate.o: ../machine/translate.cc ../threads/copyright.h \
>   ../machine/machine.h ../threads/utility.h ../machine/sysdep.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdio.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/stdarg.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/va-sparc.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/string.h \
>   /usr/local/lib/gcc-lib/sparc-sun-sunos4.1.3/2.6.0/include/sys/stdtypes.h \
>   ../machine/translate.h ../machine/disk.h ../userprog/addrspace.h \
>   ../filesys/filesys.h ../filesys/openfile.h ../threads/system.h \
>   ../threads/thread.h ../threads/scheduler.h ../threads/list.h \
>   ../machine/interrupt.h ../machine/stats.h ../machine/timer.h
Oct 14 20:04 1995  diff -r -l code/userprog/addrspace.cc ../../code/userprog/addrspace.cc Page 1


21a22
> #include "bitmap.h"
59a61,62
> BitMap *bitmap;
> 
78,81c81,90
<     ASSERT(numPages <= NumPhysPages);		// check we're not trying
< 						// to run anything too big --
< 						// at least until we have
< 						// virtual memory
---
>     if (bitmap == 0) bitmap = new BitMap(NumPhysPages);
>     DEBUG('a', "Program for thread '%s' requires %d pages of memory.\n",
>                currentThread->getName(), numPages);
> 
>     if (numPages > bitmap->NumClear() ) {
>       printf("Program for thread '%s' won't fit in memory.\n",
>              currentThread->getName());
>       printf("Terminating thread '%s'.\n", currentThread->getName());
>       currentThread->Finish();
>     }
89c98
< 	pageTable[i].physicalPage = i;
---
> 	pageTable[i].physicalPage = bitmap->Find();
100c109,112
<     bzero(machine->mainMemory, size);
---
>     for (i = 0; i<numPages; i++) {
>       int faddr = pageTable[i].physicalPage * PageSize;
>       bzero(&(machine->mainMemory[faddr]), PageSize);
>     }
106,107c118,132
<         executable->ReadAt(&(machine->mainMemory[noffH.code.virtualAddr]),
< 			noffH.code.size, noffH.code.inFileAddr);
---
>         int vaddr  = noffH.code.virtualAddr;
>         int faddr  = noffH.code.inFileAddr;
>         int nbytes = noffH.code.size;
>         while (nbytes > 0) {
>          int count = PageSize - (vaddr % PageSize);
>          int paddr = pageTable[vaddr / PageSize].physicalPage*PageSize
>                      + (vaddr % PageSize);
>          DEBUG('a', "  Vaddr=0x%x -> Faddr=0x%x, Frame=%d, Bytes=%d\n",
>                        vaddr, faddr, pageTable[vaddr/PageSize].physicalPage, 
>                        count);
>           executable->ReadAt(&(machine->mainMemory[paddr]), count, faddr);
>          vaddr  = vaddr  + count;
>          faddr  = faddr  + count;
>          nbytes = nbytes - count;
>        }
112,113c137,151
<         executable->ReadAt(&(machine->mainMemory[noffH.initData.virtualAddr]),
< 			noffH.initData.size, noffH.initData.inFileAddr);
---
>         int vaddr  = noffH.initData.virtualAddr;
Oct 14 20:04 1995  diff -r -l code/userprog/addrspace.cc ../../code/userprog/addrspace.cc Page 2


>         int faddr  = noffH.initData.inFileAddr;
>         int nbytes = noffH.initData.size;
>         while (nbytes > 0) {
>          int count = PageSize - (vaddr % PageSize);
>          int paddr = pageTable[vaddr / PageSize].physicalPage*PageSize
>                      + (vaddr % PageSize);
>          DEBUG('a', "  Vaddr=0x%x -> Faddr=0x%x, Frame=%d, Bytes=%d\n",
>                        vaddr, faddr, pageTable[vaddr/PageSize].physicalPage, 
>                        count);
>           executable->ReadAt(&(machine->mainMemory[paddr]), count, faddr);
>          vaddr  = vaddr  + count;
>          faddr  = faddr  + count;
>          nbytes = nbytes - count;
>        }
124a163,165
>    for (int i=0; i<numPages; i++)
>      if (pageTable[i].valid == TRUE)
>        bitmap->Clear(pageTable[i].physicalPage);
Oct 14 20:04 1995  diff -r -l code/userprog/exception.cc ../../code/userprog/exception.cc Page 1


50a51,62
> extern void ConsoleWriteChar( char ch );
> extern char ConsoleReadChar();
> extern void Exec( int arg );
> 
> void 
> AdvanceProgramCounters()
> {
>     machine->WriteRegister(PrevPCReg, machine->ReadRegister(PCReg));
>     machine->WriteRegister(PCReg, machine->ReadRegister(NextPCReg));
>     machine->WriteRegister(NextPCReg, machine->ReadRegister(NextPCReg)+4);
> }
> 
56,58c68,135
<     if ((which == SyscallException) && (type == SC_Halt)) {
< 	DEBUG('a', "Shutdown, initiated by user program.\n");
<    	interrupt->Halt();
---
>     if (which == SyscallException) {
>       if (type == SC_Halt) {
> 	 DEBUG('a', "Shutdown, initiated by user program.\n");
>    	 interrupt->Halt();
>       } else if (type == SC_Write) {
>         int  buffer = machine->ReadRegister(4);
>         int    size = machine->ReadRegister(5);
>         int      id = machine->ReadRegister(6);
>         if (id != ConsoleOutput) {
>           printf("WRITE to non-Console device %d in thread '%s'.\n", 
>                   id, currentThread->getName());
>           printf("Terminating thread '%s'.\n", currentThread->getName());
>           currentThread->Finish();
>         }
>         int  data;
>         for (int i = 0; i<size; i++ ) {
>           machine->ReadMem( buffer+i, 1, &data);
>           ConsoleWriteChar( (char) data );
>         }
>         AdvanceProgramCounters();
>       } else if (type == SC_Read) {
>         int  buffer = machine->ReadRegister(4);
>         int    size = machine->ReadRegister(5);
>         int      id = machine->ReadRegister(6);
>         if (id != ConsoleInput) {
>           printf("READ from non-Console device %d in thread '%s'.\n", 
>                  id, currentThread->getName());
>           printf("Terminating thread '%s'.\n", currentThread->getName());
>           currentThread->Finish();
>         }
>         int i = 0;
>         while (i < size) {
>           char data = ConsoleReadChar();
>           machine->WriteMem( buffer+i, 1, (int) data);
>           i = i + 1;
>           if (data == '\n') size = 0;
>         }
>         machine->WriteRegister(2, i);
Oct 14 20:04 1995  diff -r -l code/userprog/exception.cc ../../code/userprog/exception.cc Page 2


>         AdvanceProgramCounters();
>       } else if (type == SC_Exec) {
>         int name = machine->ReadRegister(4);
>         char *progname = new char[100];
>         int i = 0; int ch = 1;
>         while ((i < 98) && (ch != 0)) {
>           machine->ReadMem(name+i, 1, &ch);
>           progname[i++] = (char) ch;
>         }
>         progname[i] = '\0';
>         Thread *t = new Thread(progname);
>         t->Fork(Exec, (int) progname);
>         DEBUG('e', "  Exec(\"%s\") [%d] in thread '%s'.", progname, i-1,
>               currentThread->getName());
>         machine->WriteRegister(2, (int) t->id);
>         AdvanceProgramCounters();
>       } else if (type == SC_Join) {
>         int id = machine->ReadRegister(4);
>         int exitValue = Join(id);
>         machine->WriteRegister(2, exitValue);
>         AdvanceProgramCounters();
>       } else if (type == SC_Exit) {
>         currentThread->exitValue = machine->ReadRegister(4);
>         currentThread->Finish();
>       } else {
>         printf("Unimplemented system call %d in thread '%s'.\n", 
>                type, currentThread->getName());
>         printf("Terminating thread '%s'.\n", currentThread->getName());
>         currentThread->Finish();
>       }
60,61c137,147
< 	printf("Unexpected user mode exception %d %d\n", which, type);
< 	ASSERT(FALSE);
---
>       char *ename;
>       if      (which == PageFaultException)    ename = "Page Fault";
>       else if (which == BusErrorException)     ename = "Bus Error";
>       else if (which == AddressErrorException) ename = "Address Error";
>       else if (which == OverflowException)     ename = "Overflow";
>       else if (which == IllegalInstrException) ename = "Illegal Instruction";
>       printf("Unexpected user mode exception: %s (%d %d)\n", 
>               ename, which, type);
>       printf("Terminating thread: \"%s\"\n", currentThread->getName());
>       currentThread->Finish();
>       ASSERT(FALSE);  // Never Reached
Oct 14 20:04 1995  diff -r -l code/userprog/progtest.cc ../../code/userprog/progtest.cc Page 1


46a47,71
> extern Thread* FindActiveThread( int id );
> 
> void
> Exec(int arg)
> {
>   StartProcess((char *) arg);
>   printf("Program '%s' not found.\n", (char *) arg);
>   printf("Terminating thread '%s'.\n", currentThread->getName());
>   currentThread->Finish();
> }
> 
> int
> Join(int id)
> {
>   currentThread->joinValue = 0;
>   Thread *t = FindActiveThread(id);
>   if (t != NULL) {
>     IntStatus oldLevel = interrupt->SetLevel(IntOff);
>     t->waitingJoins->Append((void *) currentThread);
>     currentThread->Sleep();
>     interrupt->SetLevel(oldLevel);
>   }
>   return( currentThread->joinValue );
> }
> 
84a110,134
> 
> void
> ConsoleOpen()
> {
>     console = new Console(NULL, NULL, ReadAvail, WriteDone, 0);
>     readAvail = new Semaphore("read avail", 0);
>     writeDone = new Semaphore("write done", 0);
> }
> 
> void
> ConsoleWriteChar( char ch )
> {
>   if ((int) console == 0) ConsoleOpen();
>   console->PutChar(ch);
>   writeDone->P();
> }
> 
> char
> ConsoleReadChar()
> {
>   if ((int) console == 0) ConsoleOpen();
>   readAvail->P();		// wait for character to arrive
>   return( console->GetChar() );
> }
>   
Only in code: .#mm
Only in code: .#nn
Only in ../../code/bin: Makefile~
Only in ../../code/bin: coff2noff
Only in ../../code/bin: coff2noff.o
Only in ../../code/bin: out
Only in code/filesys/test: big
Only in code/filesys/test: medium
Only in code/filesys/test: small
Only in ../../code/machine: sparc-signal.h
Only in ../../code/machine: sparc-signal.h~
Only in ../../code/machine: sparc-stat.h
Only in ../../code/machine: sparc-stat.h~
Only in ../../code/machine: sysdep.cc~
Only in ../../code/network: log
Only in ../../code/network: log2
Only in ../../code/test: Makefile~
Only in ../../code/test: halt
Only in ../../code/test: halt.coff
Only in ../../code/test: halt.o
Only in ../../code/test: matmult
Only in ../../code/test: matmult.coff
Only in ../../code/test: matmult.o
Only in ../../code/test: shell
Only in ../../code/test: shell.coff
Only in ../../code/test: shell.c~
Only in ../../code/test: shell.o
Only in ../../code/test: sort
Only in ../../code/test: sort.coff
Only in ../../code/test: sort.o
Only in ../../code/test: start.o
Only in ../../code/threads: interrupt.o
Only in ../../code/threads: list.o
Only in ../../code/threads: main.o
Only in ../../code/threads: nachos
Only in ../../code/threads: scheduler.o
Only in ../../code/threads: stats.o
Only in ../../code/threads: switch.o
Only in ../../code/threads: swtch.s
Only in ../../code/threads: synch.o
Only in ../../code/threads: synchlist.o
Only in ../../code/threads: sysdep.o
Only in ../../code/threads: system.o
Only in ../../code/threads: thread.cc~
Only in ../../code/threads: thread.h~
Only in ../../code/threads: thread.o
Only in ../../code/threads: threadtest.o
Only in ../../code/threads: timer.o
Only in ../../code/threads: utility.o
Only in ../../code/userprog: addrspace.cc~
Only in ../../code/userprog: addrspace.o
Only in ../../code/userprog: bitmap.o
Only in ../../code/userprog: console.o
Only in ../../code/userprog: exception.cc~
Only in ../../code/userprog: exception.o
Only in ../../code/userprog: interrupt.o
Only in ../../code/userprog: list.o
Only in ../../code/userprog: machine.o
Only in ../../code/userprog: main.o
Only in ../../code/userprog: mipssim.o
Only in ../../code/userprog: progtest.cc~
Only in ../../code/userprog: progtest.o
Only in ../../code/userprog: scheduler.o
Only in ../../code/userprog: stats.o
Only in ../../code/userprog: switch.o
Only in ../../code/userprog: swtch.s
Only in ../../code/userprog: synch.o
Only in ../../code/userprog: synchlist.o
Only in ../../code/userprog: sysdep.o
Only in ../../code/userprog: system.o
Only in ../../code/userprog: thread.o
Only in ../../code/userprog: threadtest.o
Only in ../../code/userprog: timer.o
Only in ../../code/userprog: translate.o
Only in ../../code/userprog: utility.o