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Commit b4691b7

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Shane J Gianelli
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Diff for: ‎Makefile

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#
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# This is a makefile for the DLX OS projects.
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#
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CC = gcc-dlx
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AS = dlxasm
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CFLAGS = -mtraps -O3
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#INCS = $(wildcard *.h)
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#SRCS = $(wildcard *.c)
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#OBJS = $(addsuffix .o, $(basename $(wildcard *.c))) \
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# $(addsuffix .o, $(basename $(wildcard *.s)))
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INCS = dlxos.h traps.h filesys.h memory.h misc.h process.h queue.h \
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syscall.h share_memory.h
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SRCS = filesys.c memory.c misc.c process.c queue.c traps.c sysproc.c
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OBJS = $(addsuffix .o, $(basename $(SRCS)))
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all: os.dlx.obj userprog3 userprog4
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part2: os.dlx.obj userprog3 userprog4
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os.dlx.obj: os.dlx
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$(AS) -i _osinit -l os.lst os.dlx
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mv os.dlx.obj ../execs
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os.dlx: $(OBJS) dlxos.o trap_random.o osend.o share_memory.o synch.o
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$(CC) -mtraps -O3 dlxos.o trap_random.o share_memory.o synch.o $(OBJS) osend.o -o os.dlx
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share_memory.o: share_memory.api
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cp share_memory.api share_memory.o
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synch.o: synch.bin
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cp synch.bin synch.o
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osend.o: osend.s
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$(CC) -c osend.s
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trap_random.o: trap_random.s
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$(CC) -c trap_random.s
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dlxos.o: dlxos.s
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$(CC) -c dlxos.s
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usertraps.o: usertraps.s
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$(CC) -c usertraps.s
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userprog3 : userprog3.o usertraps.o misc.o
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$(CC) -mtraps -O3 userprog3.o usertraps.o misc.o -o userprog3.dlx
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$(AS) -l userprog3.lst userprog3.dlx
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mv userprog3.dlx.obj ../execs
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userprog4 : userprog4.o usertraps.o misc.o
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$(CC) -mtraps -O3 userprog4.o usertraps.o misc.o -o userprog4.dlx
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$(AS) -l userprog4.lst userprog4.dlx
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mv userprog4.dlx.obj ../execs
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Makefile.depend: depend
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depend: $(SRCS) $(INCS)
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$(CC) -MM $(SRCS) > Makefile.depend
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clean:
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/bin/rm -f *.o *.dlx *.lst ../execs/*.obj Makefile.depend ../execs/vm
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include Makefile.depend

Diff for: ‎Makefile.depend

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filesys.o: filesys.c dlxos.h misc.h process.h queue.h filesys.h
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memory.o: memory.c dlxos.h misc.h memory.h process.h queue.h
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misc.o: misc.c misc.h
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process.o: process.c dlxos.h misc.h process.h queue.h memory.h \
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filesys.h
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queue.o: queue.c dlxos.h misc.h queue.h
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traps.o: traps.c dlx.h dlxos.h misc.h traps.h process.h queue.h
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sysproc.o: sysproc.c process.h dlxos.h misc.h queue.h

Diff for: ‎dlx.h

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//
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// Definitions of flags and other things defined by the DLX processor.
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//
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#ifndef _dlx_h_
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#define _dlx_h_
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#define DLX_STATUS_INTRMASK 0x0f // up to 16 interrupt levels
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#define DLX_STATUS_FPTRUE 0x20 // Set if last FP comparison was true
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#define DLX_STATUS_SYSMODE 0x40 // Set if CPU is in system mode
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#define DLX_STATUS_PAGE_TABLE 0x100 // Set -> use a page table
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#define DLX_STATUS_TLB 0x200 // Set -> use a software-loaded TLB
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#endif // _dlx_h_

Diff for: ‎dlxos.h

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//
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// Routines used by the entire operating system.
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//
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#ifndef _dlxos_h_
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#define _dlxos_h_
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#include "misc.h"
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typedef unsigned int uint32;
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#define DLX_PROCESS_QUANTUM 100000 // in microseconds
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extern void SetTimer (int);
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extern char debugstr[];
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#define ASSERT(cond,s) (cond ? 0 : printf ("%s: %s\n", __FUNCTION__,s))
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// dbprintf() is a VERY useful macro. It gets used as follows:
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// dbprintf ('x', "This prints %d and %x\n", val1, val2);
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// This will print the expected string only if the debugging options contain
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// the letter 'x'. This allows users to turn on different debugging
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// statements at different times by using different letters. For example,
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// process debugging statements could use 'p', and memory 'm'. Specifying
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// a '+' in the debugging string will turn on all debugging printfs.
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#define dbprintf(flag, format, args...) \
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if ((dindex(debugstr,flag)!=(char *)0) || \
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(dindex(debugstr,'+')!=(char *)0)) { \
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printf (format, ## args); \
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}
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extern int CurrentIntrs ();
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extern int SetIntrs (int);
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extern void KbdModuleInit ();
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extern void intrreturn ();
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inline int
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DisableIntrs ()
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{
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return (SetIntrs (0xf));
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}
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inline int
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EnableIntrs ()
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{
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return (SetIntrs (0x0));
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}
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inline int
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RestoreIntrs (int intrs)
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{
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return (SetIntrs (intrs));
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}
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#endif // _dlxos_h_
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