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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 CFLAGS = -Wall -nostdinc -ffreestanding -I. - !! 020 CP=cp >> 021 STRIP=strip >> 022 OBJCOPY=objcopy >> 023 CFLAGS = -Wall -nostdinc -ffreestanding -I. -I.. -O >> 024 LIBGCC = $(shell $(CC) -print-libgcc-file-name) # To benefit from FP/64bits artihm. 021 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tld 025 LDFLAGS = -Wl,--warn-common -nostdlib -Wl,-Tldscript.lds 022 026 023 # Main target 027 # Main target 024 all: userprogs.kimg 028 all: userprogs.kimg 025 029 026 -include .mkvars 030 -include .mkvars 027 031 >> 032 PROGS := init myprog1 myprog2 myprog3 myprog4 myprog5 myprog6 \ >> 033 myprog7 myprog8 myprog9 myprog10 myprog11 myprog12 \ >> 034 myprog13 myprog14 banner fstest chartest blktest shell >> 035 >> 036 # Build dependencies of the programs >> 037 init: fstest_utils.o >> 038 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 028 043 029 PWD := $(shell pwd) !! 044 PWD := $(shell pwd | sed 's/"/\\\"/g;s/\$$/\\\$$/g') 030 045 031 # Programs generation 046 # Programs generation 032 $(PROGS): 047 $(PROGS): 033 $(CC) -static $(LDFLAGS) -o $@ $^ !! 048 $(CC) -static $(LDFLAGS) -o $@ $^ $(LIBGCC) 034 049 035 # Generation of the libC 050 # Generation of the libC 036 libc.a: libc.o !! 051 libc.a: libc.o string.o stdarg.o debug.o 037 052 038 # Create a program image to be integrated into 053 # Create a program image to be integrated into the Kernel 039 userprogs.kimg: $(PROGS) 054 userprogs.kimg: $(PROGS) 040 @echo "# Generating ELF images for inc 055 @echo "# Generating ELF images for inclusion into the kernel image: $@" 041 @echo "SECTIONS { .rodata . : { " > .u !! 056 @echo "SECTIONS { .userprogs . : { " > .userprogs.lds 042 @i=0 ; 057 @i=0 ; \ 043 for f in $^ ; do 058 for f in $^ ; do \ 044 i=`expr $$i + 1` ; 059 i=`expr $$i + 1` ; \ 045 echo "extern char _begin_userprog$$ 060 echo "extern char _begin_userprog$$i, _end_userprog$$i;" \ 046 > .userprog$$i.c ; 061 > .userprog$$i.c ; \ 047 echo "char *_userprog"$$i"_entry[]" 062 echo "char *_userprog"$$i"_entry[]" >> .userprog$$i.c ; \ 048 echo " __attribute__((section(\".u 063 echo " __attribute__((section(\".userprogs_table\")))" \ 049 >> .userprog$$i.c ; 064 >> .userprog$$i.c ; \ 050 echo " = { \"$$f\", &_begin_userpr 065 echo " = { \"$$f\", &_begin_userprog$$i, &_end_userprog$$i };" \ 051 >> .userprog$$i.c ; 066 >> .userprog$$i.c ; \ 052 $(CC) $(CFLAGS) -c .userprog$$i.c - 067 $(CC) $(CFLAGS) -c .userprog$$i.c -o .userprog$$i.o ; \ 053 objcopy --add-section .userprog$$i= !! 068 $(CP) $$f $$f.strip && $(STRIP) -sx $$f.strip ; \ >> 069 $(OBJCOPY) --add-section .userprog$$i=$$f.strip .userprog$$i.o \ 054 .userprog$$i.kimg ; 070 .userprog$$i.kimg ; \ >> 071 echo " . = ALIGN(4096);" >> .userprogs.lds ; \ 055 echo " _begin_userprog$$i = .;" >> 072 echo " _begin_userprog$$i = .;" >> .userprogs.lds ; \ 056 echo " .userprog$$i.kimg(.userprog 073 echo " .userprog$$i.kimg(.userprog$$i);" >> .userprogs.lds ; \ 057 echo " _end_userprog$$i = .;" >> . 074 echo " _end_userprog$$i = .;" >> .userprogs.lds ; \ 058 echo " .userprog$$i.kimg(.rodata); 075 echo " .userprog$$i.kimg(.rodata); .userprog$$i.kimg(.data);" \ 059 >> .userprogs.lds ; 076 >> .userprogs.lds ; \ 060 done 077 done 061 @echo " _userprogs_table = .; *(.user 078 @echo " _userprogs_table = .; *(.userprogs_table) ; LONG(0);" \ 062 >> .userprogs.lds 079 >> .userprogs.lds 063 @echo "} /DISCARD/ : { *(.text) *(.dat 080 @echo "} /DISCARD/ : { *(.text) *(.data) *(.bss) } }" \ 064 >> .userprogs.lds 081 >> .userprogs.lds 065 @ld -r -o $@ -T.userprogs.lds !! 082 @$(LD) -r -o $@ -T.userprogs.lds 066 083 067 # Create libraries from object files 084 # Create libraries from object files 068 %.a: 085 %.a: 069 $(AR) rcv $@ $^ 086 $(AR) rcv $@ $^ 070 087 071 # Create objects from C source code 088 # Create objects from C source code 072 %.o: %.c 089 %.o: %.c 073 $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@ !! 090 $(CC) "-I$(PWD)" -c "$<" $(CFLAGS) -o "$@" 074 091 075 # Create objects from assembler (.S) source co 092 # Create objects from assembler (.S) source code 076 %.o: %.S 093 %.o: %.S 077 $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_S !! 094 $(CC) "-I$(PWD)" -c "$<" $(CFLAGS) -DASM_SOURCE=1 -o "$@" 078 095 079 # Clean directory 096 # Clean directory 080 clean: 097 clean: 081 $(RM) *.o *.a *~ $(PROGS) *.kimg !! 098 $(RM) *.o *.a *~ $(PROGS) *.kimg *.strip 082 $(RM) .userprog* 099 $(RM) .userprog*
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