From 311771892b63be31d211fc527cb746a094c331e8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sun, 18 Feb 2018 14:15:03 +0000
Subject: [PATCH] pdp11: Add another missing piece and turn on library building

---
 Library/libs/Makefile.pdp11 | 156 ++++++++++++++++++++++++++++++++++++
 Library/libs/divsi3_pdp11.S |  25 ++++++
 2 files changed, 181 insertions(+)
 create mode 100644 Library/libs/Makefile.pdp11
 create mode 100644 Library/libs/divsi3_pdp11.S

diff --git a/Library/libs/Makefile.pdp11 b/Library/libs/Makefile.pdp11
new file mode 100644
index 00000000..c12f008c
--- /dev/null
+++ b/Library/libs/Makefile.pdp11
@@ -0,0 +1,156 @@
+CC = pdp11-aout-gcc
+ASM = pdp11-aout-as
+AR = pdp11-aout-ar
+PLATFORM = pdp11
+export PLATFORM
+CC_OPT = -c -Os -I../include -I../include/pdp11
+# for stuff that gives gcc nightmares
+CC_NOOPT = $(CC_OPT)
+ASM_OPT = -o
+# copied in from kernel tree
+KRN_HEADERS = userstructs.h drivewire.h
+KRN_HEADERS_SRC = $(addprefix ../../Kernel/include/,$(KRN_HEADERS))
+KRN_HEADERS_COPY = $(addprefix ../include/sys/,$(KRN_HEADERS))
+SRC_CRT0 = crt0_$(PLATFORM).s crt0nostdio_$(PLATFORM).s
+OBJ_CRT0 = $(SRC_CRT0:.s=.o)
+SRC_ASM = setjmp_pdp11.S udivhi3_pdp11.S divsi3_pdp11.S
+OBJ_ASM = $(SRC_ASM:.S=.o)
+SRC_C =  __argv.c abort.c asctime.c assert.c atexit.c
+SRC_C += bcmp.c bcopy.c bsearch.c bzero.c calloc.c cfree.c clock.c closedir.c
+SRC_C += closedir_r.c clock_gettime.c clock_getres.c clock_settime.c
+SRC_C += creat.c crypt.c ctermid.c ctime.c cuserid.c
+SRC_C += difftime.c err.c errno.c error.c
+SRC_C += execl.c execv.c execvp.c exit.c
+SRC_C += fclose.c fdatasync.c fflush.c fgetc.c fgetgrent.c fgetpwent.c
+SRC_C += fgetpos.c fgets.c fopen.c fork.c fprintf.c fputc.c fputs.c fread.c
+SRC_C += free.c fsetpos.c fsync.c ftell.c fwrite.c getcwd.c
+SRC_C += getenv.c __getgrent.c getgrgid.c getgrnam.c getloadavg.c getlogin.c
+SRC_C += getopt.c
+SRC_C += getpw.c __getpwent.c getpwnam.c getpwuid.c gets.c gettimeofday.c
+SRC_C += getw.c gmtime.c gmtime_r.c grent.c
+SRC_C += inet_addr.c inet_aton.c inet_network.c inet_ntoa.c inet_ntop.c inet_pton.c
+SRC_C += index.c initgroups.c isatty.c killpg.c
+SRC_C += libintl.c
+SRC_C += localtim.c localtim_r.c lseek.c lsearch.c lstat.c ltoa.c ltostr.c
+SRC_C += malloc.c mkfifo.c mkstemps.c mntent.o nanosleep.c
+SRC_C += opendir.c opendir_r.c pause.c perror.c
+SRC_C += popen.c printf.c putenv.c putchar.c putpwent.c putw.c pwent.c qsort.c
+SRC_C += raise.c rand.c readdir.c readlink.c realloc.c regerror.c
+SRC_C += regsub.c remount.c remove.c rewind.c rewinddir.c rindex.c
+SRC_C += seekdir.c setbuffer.c setenv.c
+SRC_C += setlocale.c setvbuf.c settimeofday.c sgetl.c sleep.c sprintf.c
+SRC_C += sputl.c stat.c stdio0.c stime.c
+SRC_C += strcasecmp.c strcasestr.c strdup.c stricmp.c strlcpy.c strncasecmp.c
+SRC_C += strnlen.c strnicmp.c strsep.c strxfrm.c strcoll.c strsignal.c
+SRC_C += strtod.c strtol.c swab.c system.c telldir.c time.c tmpfile.c tmpnam.c ttyname.c
+SRC_C += tzset.c umount.c ungetc.c usleep.c utent.c utimes.c utsname.c
+SRC_C += vfprintf.c vprintf.c wait.c xitoa.c pathconf.c
+SRC_C += gethostname.c sysconf.c confstr.c memccpy.c getpass.c
+# ctype
+SRC_C += isalnum.c isalpha.c isascii.c isblank.c iscntrl.c isdigit.c
+SRC_C += isgraph.c islower.c isprint.c ispunct.c isspace.c isupper.c
+SRC_C += isxdigit.c toupper.c tolower.c
+# tty layer
+SRC_C += tcgetattr.c tcsetattr.c tcdrain.c tcflow.c tcflush.c
+SRC_C += cfmakeraw.c cfspeed.c revoke.c
+# scanf
+SRC_C += fscanf.c scanf.c sscanf.c vfscanf.c vscanf.c vsscanf.c
+# Seems to give the compiler a hard time
+SRC_HARD += regexp.c
+# Pieces we inherit in this case from the compiler library instead
+SRC_C += strcpy.c strlen.c abs.c atof.c atoi.c atol.c labs.c
+SRC_C += strcat.c strchr.c strcmp.c strcspn.c strncat.c strncmp.c
+SRC_C += strncpy.c strpbrk.c strrchr.c strspn.c strstr.c strtok.c
+SRC_C += memchr.c memcmp.c memcpy.c memset.c memmove.c
+
+SRC_CT += termcap.c tgetent.c
+
+SRC_CURS = $(shell find curses -name '*.c')
+
+SRC_LM = vfscanf.c vfprintf.c
+OBJ_LM = vfscanf-libm.o vfprintf-libm.o
+
+OBJ_C = $(SRC_C:.c=.o)
+OBJ_CURS = $(SRC_CURS:.c=.o)
+OBJ_CT = $(SRC_CT:.c=.o)
+OBJ_HARD = $(SRC_HARD:.c=.o)
+OBJ_ALL = $(OBJ_ASM) $(OBJ_C) $(OBJ_HARD)
+
+all: syslib$(PLATFORM).lib liberror.txt $(OBJ_CRT0) curses$(PLATFORM).lib termcap$(PLATFORM).lib m$(PLATFORM).lib
+
+$(OBJ_ALL): $(KRN_HEADERS_COPY)
+
+$(KRN_HEADERS_COPY): $(KRN_HEADERS_SRC)
+	cp ../../Kernel/include/$(notdir $@) $@
+
+libc.l:%.l:$(OBJ_ALL)
+	ls $(OBJ_ALL) > libc.l
+
+syscall.l: fuzix$(PLATFORM)/syslib.l
+	../tools/syscall_$(PLATFORM)
+	(cd fuzix$(PLATFORM); make)
+	cat fuzix$(PLATFORM)/syslib.l | tr " " "\\n" | sed -e "s/^/fuzix$(PLATFORM)\//" >syscall.l
+
+syslib$(PLATFORM).lib: syscall.l libc.l
+	cat libc.l syscall.l >syslib.l
+	$(AR) rc syslib$(PLATFORM).lib $$(cat syslib.l)
+	ln -sf syslib$(PLATFORM).lib libc$(PLATFORM).a
+
+fuzix$(PLATFORM)/syslib.l: ../tools/syscall_$(PLATFORM)
+	$<
+	make -C fuzix$(PLATFORM)
+
+../tools/syscall_$(PLATFORM): ../tools/syscall_$(PLATFORM).c
+	make -C .. tools/syscall_$(PLATFORM)
+
+liberror.txt: ../tools/liberror
+	$< -X > $@
+
+../tools/liberror: ../tools/liberror.c
+	make -C .. tools/liberror
+
+curses$(PLATFORM).lib: $(OBJ_CURS)
+	$(AR) rc curses$(PLATFORM).lib $(OBJ_CURS)
+	ln -sf curses$(PLATFORM).lib libcurses$(PLATFORM).a
+
+termcap$(PLATFORM).lib: $(OBJ_CT)
+	$(AR) rc termcap$(PLATFORM).lib $(OBJ_CT)
+	ln -sf termcap$(PLATFORM).lib libtermcap$(PLATFORM).a
+
+m$(PLATFORM).lib: $(OBJ_LM)
+	$(AR) rc m$(PLATFORM).lib $(OBJ_LM)
+	ln -sf m$(PLATFORM).lib libm$(PLATFORM).a
+
+$(OBJ_ASM):%.o: %.S
+	$(ASM) $(ASM_OPT) $@ $(@:.o=.S)
+
+$(OBJ_CRT0):%.o: %.s
+	$(ASM) $(ASM_OPT) $@ $(@:.o=.s)
+
+$(OBJ_C):%.o: %.c
+	$(CC) $(CC_OPT) $(@:.o=.c)
+
+$(OBJ_CT):%.o: %.c
+	$(CC) $(CC_OPT) $(@:.o=.c)
+
+$(OBJ_CURS):%.o: %.c
+	$(CC) $(CC_OPT) $(@:.o=.c) -o $@
+
+vfscanf-libm.o: vfscanf.c
+	$(CC) $(CC_OPT) -DBUILD_LIBM $< -o $@
+
+vfprintf-libm.o: vfprintf.c
+	$(CC) $(CC_OPT) -DBUILD_LIBM $< -o $@
+
+$(OBJ_HARD):%.o: %.c
+	$(CC) $(CC_NOOPT) $(@:.o=.c)
+
+clean:
+	rm -rf *.o *.asm *.sym *.lst *.lib *~ syscall.l libc.l syslib.l \
+	libc$(PLATFORM).a liberror.txt
+	-cd fuzix$(PLATFORM) && make clean
+	rm -rf fuzix$(PLATFORM)/Makefile
+	rm -f $(KRN_HEADERS_COPY)
+	-cd curses && rm -rf *.o *.asm *.sym *.lst *~
+
+install: ;
diff --git a/Library/libs/divsi3_pdp11.S b/Library/libs/divsi3_pdp11.S
new file mode 100644
index 00000000..ce54d766
--- /dev/null
+++ b/Library/libs/divsi3_pdp11.S
@@ -0,0 +1,25 @@
+		.text
+		.even
+
+		.globl ___divsi3
+		.globl ___modsi3
+
+
+___divsi3:
+		mov r2,-(sp)
+		mov 4(sp),r1
+		mov 6(sp),r2
+		clr r0
+		div r0,r2
+		mov (sp)+,r2
+		rts pc
+
+___modsi3:
+		mov r2,-(sp)
+		mov 4(sp),r1
+		mov 6(sp),r2
+		clr r0
+		div r0,r2
+		mov (sp)+,r2
+		mov r1,r0
+		rts pc
-- 
2.34.1