Diff markup
001 001
002 002
003 003
004 004
005 005
006 006
007 007
008 008
009 009
010 010
011 011
012 012
013 013
014 014
015 015
016 016
017 017
018 CC=gcc 018 CC=gcc
019 AR=ar 019 AR=ar
020 CP=cp 020 CP=cp
021 STRIP=strip 021 STRIP=strip
022 OBJCOPY=objcopy 022 OBJCOPY=objcopy
023 CFLAGS = -Wall -nostdinc -ffreestanding -I. - 023 CFLAGS = -Wall -nostdinc -ffreestanding -I. -I.. -O
024 LIBGCC = $(shell $(CC) -print-libgcc-file-nam 024 LIBGCC = $(shell $(CC) -print-libgcc-file-name)
025 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tld 025 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tldscript.lds
026 026
027 027
028 all: userprogs.kimg 028 all: userprogs.kimg
029 029
030 -include .mkvars 030 -include .mkvars
031 031
032 PROGS := init myprog1 myprog2 myprog3 myprog4 032 PROGS := init myprog1 myprog2 myprog3 myprog4 myprog5 myprog6 \
033 myprog7 myprog8 myprog9 myprog10 mypr 033 myprog7 myprog8 myprog9 myprog10 myprog11 myprog12 \
034 myprog13 myprog14 banner fstest chart !! 034 myprog13 myprog14 banner fstest
035 035
036 # Build dependencies of the programs 036 # Build dependencies of the programs
037 init: fstest_utils.o <<
038 fstest: fstest_utils.o 037 fstest: fstest_utils.o
039 chartest: fstest_utils.o <<
040 blktest: fstest_utils.o <<
041 shell: fstest_utils.o <<
042 $(PROGS) : % : %.o crt.o libc.a 038 $(PROGS) : % : %.o crt.o libc.a
043 039
044 PWD := $(shell pwd | sed 's/"/\\\"/g;s/\$$/\\\ !! 040 PWD := $(shell pwd)
045 041
046 042
047 $(PROGS): 043 $(PROGS):
048 $(CC) -static $(LDFLAGS) -o $@ $^ $(LI 044 $(CC) -static $(LDFLAGS) -o $@ $^ $(LIBGCC)
049 045
050 046
051 libc.a: libc.o string.o stdarg.o debug.o 047 libc.a: libc.o string.o stdarg.o debug.o
052 048
053 049
054 userprogs.kimg: $(PROGS) 050 userprogs.kimg: $(PROGS)
055 @echo "# Generating ELF images for inc 051 @echo "# Generating ELF images for inclusion into the kernel image: $@"
056 @echo "SECTIONS { .userprogs . : { " > 052 @echo "SECTIONS { .userprogs . : { " > .userprogs.lds
057 @i=0 ; 053 @i=0 ; \
058 for f in $^ ; do 054 for f in $^ ; do \
059 i=`expr $$i + 1` ; 055 i=`expr $$i + 1` ; \
060 echo "extern char _begin_userprog$$ 056 echo "extern char _begin_userprog$$i, _end_userprog$$i;" \
061 > .userprog$$i.c ; 057 > .userprog$$i.c ; \
062 echo "char *_userprog"$$i"_entry[]" 058 echo "char *_userprog"$$i"_entry[]" >> .userprog$$i.c ; \
063 echo " __attribute__((section(\".u 059 echo " __attribute__((section(\".userprogs_table\")))" \
064 >> .userprog$$i.c ; 060 >> .userprog$$i.c ; \
065 echo " = { \"$$f\", &_begin_userpr 061 echo " = { \"$$f\", &_begin_userprog$$i, &_end_userprog$$i };" \
066 >> .userprog$$i.c ; 062 >> .userprog$$i.c ; \
067 $(CC) $(CFLAGS) -c .userprog$$i.c - 063 $(CC) $(CFLAGS) -c .userprog$$i.c -o .userprog$$i.o ; \
068 $(CP) $$f $$f.strip && $(STRIP) -sx 064 $(CP) $$f $$f.strip && $(STRIP) -sx $$f.strip ; \
069 $(OBJCOPY) --add-section .userprog$ 065 $(OBJCOPY) --add-section .userprog$$i=$$f.strip .userprog$$i.o \
070 .userprog$$i.kimg ; 066 .userprog$$i.kimg ; \
071 echo " . = ALIGN(4096);" >> .userp 067 echo " . = ALIGN(4096);" >> .userprogs.lds ; \
072 echo " _begin_userprog$$i = .;" >> 068 echo " _begin_userprog$$i = .;" >> .userprogs.lds ; \
073 echo " .userprog$$i.kimg(.userprog 069 echo " .userprog$$i.kimg(.userprog$$i);" >> .userprogs.lds ; \
074 echo " _end_userprog$$i = .;" >> . 070 echo " _end_userprog$$i = .;" >> .userprogs.lds ; \
075 echo " .userprog$$i.kimg(.rodata); 071 echo " .userprog$$i.kimg(.rodata); .userprog$$i.kimg(.data);" \
076 >> .userprogs.lds ; 072 >> .userprogs.lds ; \
077 done 073 done
078 @echo " _userprogs_table = .; *(.user 074 @echo " _userprogs_table = .; *(.userprogs_table) ; LONG(0);" \
079 >> .userprogs.lds 075 >> .userprogs.lds
080 @echo "} /DISCARD/ : { *(.text) *(.dat 076 @echo "} /DISCARD/ : { *(.text) *(.data) *(.bss) } }" \
081 >> .userprogs.lds 077 >> .userprogs.lds
082 @$(LD) -r -o $@ -T.userprogs.lds 078 @$(LD) -r -o $@ -T.userprogs.lds
083 079
084 080
085 %.a: 081 %.a:
086 $(AR) rcv $@ $^ 082 $(AR) rcv $@ $^
087 083
088 084
089 %.o: %.c 085 %.o: %.c
090 $(CC) "-I$(PWD)" -c "$<" $(CFLAGS) -o !! 086 $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
091 087
092 088
093 %.o: %.S 089 %.o: %.S
094 $(CC) "-I$(PWD)" -c "$<" $(CFLAGS) -DA !! 090 $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
095 091
096 092
097 clean: 093 clean:
098 $(RM) *.o *.a *~ $(PROGS) *.kimg *.str 094 $(RM) *.o *.a *~ $(PROGS) *.kimg *.strip
099 $(RM) .userprog* 095 $(RM) .userprog*