Hi Anatoly, Somehow, I don't see your attachment.
Eric > -----Original Message----- > From: > avr-libc-dev-bounces+eweddington=cso.atmel....@nongnu.org > [mailto:avr-libc-dev-bounces+eweddington=cso.atmel....@nongnu. > org] On Behalf Of Anatoly Sokolov > Sent: Thursday, December 18, 2008 8:31 PM > To: avr-libc-dev@nongnu.org > Subject: [avr-libc-dev] Add lib per devide. > > Hello. > > This patches add in the avr-libc a library per device. > > I against, to build full the avr-libc library for device, > this dramatically > increase compile time and the code size of avr-libc. Instead, > I suggest to > build libc for architecture and add small library with device specific > functions for eeprom, wdt, boot e.t.c. modules. > > Changes in avr-libc: > > 1. Add libdevice subdirectory and subdirectories with device specific > libraries variants: > libdevice > eeprom libs: > |\eeprom_1d > |\eeprom_20 > |\eeprom_xmega > wdt libs: > |\wdt_ver_1 > |\wdt_ver_2 > dummy dir: > |\none > > 2. Add in devtools\gen-avr-lib-tree.sh:*_DEV_INFO arrays > device library name > [1] and name of subdirectory [2] with eeprom library for this > device. In > addition here it is possible to customize other libraries: > > AVR12_DEV_INFO="\ > t90s1200:crts1200.o:libs1200[1]:${DEV_DEFS}:${CFLAGS_SPACE}:${ DEV_ASFLAGS}:none[2];\ > ... > AVR5_DEV_INFO="\ > tmega16:crtm16.o:libm16:${DEV_DEFS}:${CFLAGS_SPACE}:${DEV_ASFL AGS}:eeprom_20;\ > ... > tmega164p:crtm164p.o:libm164p:${DEV_DEFS}:${CFLAGS_SPACE}:${DE V_ASFLAGS}:eeprom_20;\ > ... > AVRXMEGA4_DEV_INFO="\ > txmega64a3:crtx64a3.o:libx64a3:${DEV_DEFS}:${CFLAGS_SPACE}:${D EV_ASFLAGS}:eeprom_xmega\ > e.t.c. > > 3. Add in devtools\Device.am rules for building device libraries. > > Now only the "eeprom_read_byte" and "eeprom_write_byte" > functions for eeprom library is implemented. > > > The patch for GCC add the -muse-device-lib switch in GCC. > > Use the -muse-device-lib switch for automatic link the with > device libraries. > For using the old avr-libc without device libraries, the > -muse-device-lib > don't need. > > Anatoliy. > _______________________________________________ AVR-libc-dev mailing list AVR-libc-dev@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-libc-dev