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001 ## Copyright (C) 2005 David Decotigny 001 ## Copyright (C) 2005 David Decotigny 002 ## 002 ## 003 ## This program is free software; you can redi 003 ## This program is free software; you can redistribute it and/or 004 ## modify it under the terms of the GNU Genera 004 ## modify it under the terms of the GNU General Public License 005 ## as published by the Free Software Foundatio 005 ## as published by the Free Software Foundation; either version 2 006 ## of the License, or (at your option) any lat 006 ## of the License, or (at your option) any later version. 007 ## 007 ## 008 ## This program is distributed in the hope tha 008 ## This program is distributed in the hope that it will be useful, 009 ## but WITHOUT ANY WARRANTY; without even the 009 ## but WITHOUT ANY WARRANTY; without even the implied warranty of 010 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 ## GNU General Public License for more details 011 ## GNU General Public License for more details. 012 ## 012 ## 013 ## You should have received a copy of the GNU 013 ## You should have received a copy of the GNU General Public License 014 ## along with this program; if not, write to t 014 ## along with this program; if not, write to the Free Software 015 ## Foundation, Inc., 59 Temple Place - Suite 3 015 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 ## USA. 016 ## USA. 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) # To benefit from FP/64bits artihm. 025 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tld 025 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tldscript.lds 026 026 027 # Main target 027 # Main target 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 # Programs generation 042 # Programs generation 047 $(PROGS): 043 $(PROGS): 048 $(CC) -static $(LDFLAGS) -o $@ $^ $(LI 044 $(CC) -static $(LDFLAGS) -o $@ $^ $(LIBGCC) 049 045 050 # Generation of the libC 046 # Generation of the libC 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 # Create a program image to be integrated into 049 # Create a program image to be integrated into the Kernel 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 # Create libraries from object files 080 # Create libraries from object files 085 %.a: 081 %.a: 086 $(AR) rcv $@ $^ 082 $(AR) rcv $@ $^ 087 083 088 # Create objects from C source code 084 # Create objects from C source code 089 %.o: %.c 085 %.o: %.c 090 $(CC) "-I$(PWD)" -c "$<" $(CFLAGS) -o !! 086 $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@ 091 087 092 # Create objects from assembler (.S) source co 088 # Create objects from assembler (.S) source code 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 # Clean directory 092 # Clean directory 097 clean: 093 clean: 098 $(RM) *.o *.a *~ $(PROGS) *.kimg *.str 094 $(RM) *.o *.a *~ $(PROGS) *.kimg *.strip 099 $(RM) .userprog* 095 $(RM) .userprog*
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