2014-10-08 21:50 GMT+04:00 Joern Rennecke <joern.renne...@embecosm.com>: > As the steering commitee still hasn't spoken on the maintainership issue, > apparently this still has to go the write-after-approval route. > > The purpose of this patch is to make it possible to add support for new > devices (MCUs) to the AVR toolchain, without having to re-build the > entire toolchain. This capability is desirable because new MCUs are added > fairly frequently. > > There are multiple parts of the toolchain involved. > gcc changes multilibbing to key off the new -march option; the -mmcu option > is translated via DRIVER_SELF_SPECS into a -specs option, and the > individual spec files contain the required settings like -march, and various > more detailed settings (some of which are for new options). > > binutils provides new relocation and relaxation facilities to allow referring > symbolically to symbol differences and/or I/O addresses. > avr-libc puts the device-specifc header settings in avr/io*.h, and a few > small device-specific likbale functions into a device-specific library. > > The other toolchain parts are staged here: > g...@github.com:embecosm/avr-binutils-gdb.git avr-mainline > g...@github.com:embecosm/avr-libc.git avr-libc-embecosm-mainline > > > Attached is the GCC patch for the basic device package infrastructure. > OK to apply?
Please, apply. Denis.