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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 Theodoros Foradis <theodoros.for@openmailbox.org>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu packages embedded)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix svn-download)
#:use-module (guix git-download)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (guix build utils)
#:use-module (gnu packages)
#:use-module (gnu packages autotools)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages flex)
#:use-module (gnu packages gcc)
#:use-module (gnu packages gdb)
#:use-module (gnu packages libusb)
#:use-module (gnu packages perl)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages texinfo))
;; We must not use the released GCC sources here, because the cross-compiler
;; does not produce working binaries. Instead we take the very same SVN
;; revision from the branch that is used for a release of the "GCC ARM
;; embedded" project on launchpad.
;; See https://launchpadlibrarian.net/218827644/release.txt
(define-public gcc-arm-none-eabi-4.9
(let ((xgcc (cross-gcc "arm-none-eabi"
(cross-binutils "arm-none-eabi")))
(revision "1")
(svn-revision 227977))
(package (inherit xgcc)
(version (string-append (package-version xgcc) "-"
revision "." (number->string svn-revision)))
(source
(origin
(method svn-fetch)
(uri (svn-reference
(url "svn://gcc.gnu.org/svn/gcc/branches/ARM/embedded-4_9-branch/")
(revision svn-revision)))
(file-name (string-append "gcc-arm-embedded-" version "-checkout"))
(sha256
(base32
"113r98kygy8rrjfv2pd3z6zlfzbj543pq7xyq8bgh72c608mmsbr"))
(patches (origin-patches (package-source xgcc)))))
(native-inputs
`(("flex" ,flex)
,@(package-native-inputs xgcc)))
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
`(modify-phases ,phases
(add-after 'unpack 'fix-genmultilib
(lambda _
(substitute* "gcc/genmultilib"
(("#!/bin/sh") (string-append "#!" (which "sh"))))
#t))))
((#:configure-flags flags)
;; The configure flags are largely identical to the flags used by the
;; "GCC ARM embedded" project.
`(append (list "--enable-multilib"
"--with-newlib"
"--with-multilib-list=armv6-m,armv7-m,armv7e-m"
"--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm"
"--enable-plugins"
"--disable-decimal-float"
"--disable-libffi"
"--disable-libgomp"
"--disable-libmudflap"
"--disable-libquadmath"
"--disable-libssp"
"--disable-libstdcxx-pch"
"--disable-nls"
"--disable-shared"
"--disable-threads"
"--disable-tls")
(delete "--disable-multilib" ,flags)))))
(native-search-paths
(list (search-path-specification
(variable "CROSS_C_INCLUDE_PATH")
(files '("arm-none-eabi/include")))
(search-path-specification
(variable "CROSS_CPLUS_INCLUDE_PATH")
(files '("arm-none-eabi/include")))
(search-path-specification
(variable "CROSS_LIBRARY_PATH")
(files '("arm-none-eabi/lib"))))))))
(define-public gcc-arm-none-eabi-6
(package
(inherit gcc-arm-none-eabi-4.9)
(version (package-version gcc-6))
(source (origin (inherit (package-source gcc-6))
(patches
(append
(origin-patches (package-source gcc-6))
(search-patches "gcc-6-cross-environment-variables.patch"
"gcc-6-arm-none-eabi-multilib.patch")))))))
(define-public newlib-arm-none-eabi
(package
(name "newlib")
(version "2.4.0")
(source (origin
(method url-fetch)
(uri (string-append "ftp://sourceware.org/pub/newlib/newlib-"
version ".tar.gz"))
(sha256
(base32
"01i7qllwicf05vsvh39qj7qp5fdifpvvky0x95hjq39mbqiksnsl"))))
(build-system gnu-build-system)
(arguments
`(#:out-of-source? #t
;; The configure flags are identical to the flags used by the "GCC ARM
;; embedded" project.
#:configure-flags '("--target=arm-none-eabi"
"--enable-newlib-io-long-long"
"--enable-newlib-register-fini"
"--disable-newlib-supplied-syscalls"
"--disable-nls")
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'fix-references-to-/bin/sh
(lambda _
(substitute* '("libgloss/arm/cpu-init/Makefile.in"
"libgloss/arm/Makefile.in"
"libgloss/libnosys/Makefile.in"
"libgloss/Makefile.in")
(("/bin/sh") (which "sh")))
#t)))))
(native-inputs
`(("xbinutils" ,(cross-binutils "arm-none-eabi"))
("xgcc" ,gcc-arm-none-eabi-4.9)
("texinfo" ,texinfo)))
(home-page "http://www.sourceware.org/newlib/")
(synopsis "C library for use on embedded systems")
(description "Newlib is a C library intended for use on embedded
systems. It is a conglomeration of several library parts that are easily
usable on embedded products.")
(license (license:non-copyleft
"https://www.sourceware.org/newlib/COPYING.NEWLIB"))))
(define-public newlib-nano-arm-none-eabi
(package (inherit newlib-arm-none-eabi)
(name "newlib-nano")
(arguments
(substitute-keyword-arguments (package-arguments newlib-arm-none-eabi)
;; The configure flags are identical to the flags used by the "GCC ARM
;; embedded" project. They optimize newlib for use on small embedded
;; systems with limited memory.
((#:configure-flags flags)
''("--target=arm-none-eabi"
"--enable-multilib"
"--disable-newlib-supplied-syscalls"
"--enable-newlib-reent-small"
"--disable-newlib-fvwrite-in-streamio"
"--disable-newlib-fseek-optimization"
"--disable-newlib-wide-orient"
"--enable-newlib-nano-malloc"
"--disable-newlib-unbuf-stream-opt"
"--enable-lite-exit"
"--enable-newlib-global-atexit"
"--enable-newlib-nano-formatted-io"
"--disable-nls"))))
(synopsis "Newlib variant for small systems with limited memory")))
(define (arm-none-eabi-toolchain xgcc newlib)
"Produce a cross-compiler toolchain package with the compiler XGCC and the C
library variant NEWLIB."
(let ((newlib-with-xgcc (package (inherit newlib)
(native-inputs
(alist-replace "xgcc" (list xgcc)
(package-native-inputs newlib))))))
(package
(name (string-append "arm-none-eabi"
(if (string=? (package-name newlib-with-xgcc)
"newlib-nano")
"-nano" "")
"-toolchain"))
(version (package-version xgcc))
(source #f)
(build-system trivial-build-system)
(arguments '(#:builder (mkdir %output)))
(propagated-inputs
`(("binutils" ,(cross-binutils "arm-none-eabi"))
("gcc" ,xgcc)
("newlib" ,newlib-with-xgcc)))
(synopsis "Complete GCC tool chain for ARM bare metal development")
(description "This package provides a complete GCC tool chain for ARM
bare metal development. This includes the GCC arm-none-eabi cross compiler
and newlib (or newlib-nano) as the C library. The supported programming
languages are C and C++.")
(home-page (package-home-page xgcc))
(license (package-license xgcc)))))
(define-public arm-none-eabi-toolchain-4.9
(arm-none-eabi-toolchain gcc-arm-none-eabi-4.9
newlib-arm-none-eabi))
(define-public arm-none-eabi-nano-toolchain-4.9
(arm-none-eabi-toolchain gcc-arm-none-eabi-4.9
newlib-nano-arm-none-eabi))
(define-public arm-none-eabi-toolchain-6
(arm-none-eabi-toolchain gcc-arm-none-eabi-6
newlib-arm-none-eabi))
(define-public arm-none-eabi-nano-toolchain-6
(arm-none-eabi-toolchain gcc-arm-none-eabi-6
newlib-nano-arm-none-eabi))
(define-public gdb-arm-none-eabi
(package
(inherit gdb)
(name "gdb-arm-none-eabi")
(arguments
`(#:configure-flags '("--target=arm-none-eabi"
"--enable-multilib"
"--enable-interwork"
"--enable-languages=c,c++"
"--disable-nls")
,@(package-arguments gdb)))))
(define-public libjaylink
;; No release tarballs available.
(let ((commit "faa2a433fdd3de211728f3da5921133214af9dd3")
(revision "1"))
(package
(name "libjaylink")
(version (string-append "0.1.0-" revision "."
(string-take commit 7)))
(source (origin
(method git-fetch)
(uri (git-reference
(url "git://git.zapb.de/libjaylink.git")
(commit commit)))
(file-name (string-append name "-" version "-checkout"))
(sha256
(base32
"02crr56csz8whq3q4mrmdzzgwp5b0qvxm0fb18drclc3zj44yxl2"))))
(build-system gnu-build-system)
(native-inputs
`(("autoconf" ,autoconf)
("automake" ,automake)
("libtool" ,libtool)
("pkg-config" ,pkg-config)))
(inputs
`(("libusb" ,libusb)))
(arguments
`(#:phases
(modify-phases %standard-phases
(add-before 'configure 'autoreconf
(lambda _
(zero? (system* "autoreconf" "-vfi")))))))
(home-page "http://repo.or.cz/w/libjaylink.git")
(synopsis "Library to interface Segger J-Link devices")
(description "libjaylink is a shared library written in C to access
SEGGER J-Link and compatible devices.")
(license license:gpl2+))))
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