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(define-module (embedded)
#:use-module (guix utils)
#:use-module (guix gexp)
#:use-module (guix memoization)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix git-download)
#:use-module (guix build-system trivial)
#:use-module (gnu packages)
#:use-module (gnu packages embedded)
#:use-module (gnu packages flex)
#:use-module (gnu packages cross-base)
#:use-module (gnu packages texinfo)
#:use-module (guix build utils)
#:use-module (gnu packages gcc)
#:export (make-gcc-arm-none-eabi-12.3.rel1
make-newlib-nano-arm-none-eabi-12.3.rel1
make-newlib-arm-none-eabi-12.3.rel1
arm-none-eabi-nano-toolchain-12.3.rel1
arm-none-eabi-toolchain-12.3.rel1))
(define make-gcc-arm-none-eabi-12.3.rel1
(mlambda ()
(let ((xgcc (cross-gcc "arm-none-eabi"
#:xgcc gcc-12
#:xbinutils (cross-binutils "arm-none-eabi"))))
(package (inherit xgcc)
(source
(origin
(inherit (package-source xgcc))
(method git-fetch)
(uri (git-reference
(url "git://gcc.gnu.org/git/gcc.git")
(commit "0f54a73b998b72f7c8452a63730ec3b16fc47854")))
(sha256
(base32 "0r6q0m3d8g3k3rkmnqjw8aw5fcnsrmywf4ispdkxmk1al3whk1vk"))))
(native-inputs
(modify-inputs (package-native-inputs xgcc)
(delete "isl")
(prepend flex isl-0.18)))
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
#~(modify-phases #$phases
(add-after 'set-paths 'augment-CPLUS_INCLUDE_PATH
(lambda* (#:key inputs #:allow-other-keys)
(let ((gcc (assoc-ref inputs "gcc")))
;; Remove the default compiler from
;; CPLUS_INCLUDE_PATH to prevent header conflict
;; with the GCC from native-inputs.
(setenv "CPLUS_INCLUDE_PATH"
(string-join
(delete (string-append gcc "/include/c++")
(string-split
(getenv "CPLUS_INCLUDE_PATH")
#\:))
":"))
(format #t
"environment variable `CPLUS_INCLUDE_PATH'\
changed to ~a~%"
(getenv "CPLUS_INCLUDE_PATH")))))))
((#:configure-flags flags)
;; The configure flags are largely identical to the flags
;; used by the "GCC ARM embedded" project.
#~(append (list "--disable-libgomp"
"--disable-libmudflap"
"--disable-libquadmath"
"--disable-shared"
"--disable-nls"
"--disable-threads"
"--disable-tls"
"--without-cloog"
"--without-isl"
"--with-newlib"
"--with-headers=yes"
"--enable-checking=release"
"--enable-languages=c,c++"
"--with-gnu-as"
"--with-gnu-ld"
"--enable-multilib"
"--with-host-libstdcxx=-static-libgcc \
-Wl,-Bstatic,-lstdc++,-Bdynamic -lm"
"--with-multilib-list=aprofile,rmprofile")
(delete "--disable-multilib" #$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/c++"
"arm-none-eabi/include/c++/arm-none-eabi"
; C has to be last since c++ headers use
; #include_next <stdlib.h> inside of <cstdlib>
; Heh! :)
"arm-none-eabi/include")))
(search-path-specification
(variable "CROSS_LIBRARY_PATH")
(files '("arm-none-eabi/lib")))))))))
(define make-base-newlib-arm-none-eabi-12.3.rel1
(mlambda (base)
(let ((commit "4c7d0dfec5793cbf5cf3930b91f930479126d8ce")
(revision "0"))
(package
(inherit base)
(version (git-version "3.0.0" revision commit))
(source
(origin
(method git-fetch)
(uri (git-reference
(url "http://sourceware.org/git/newlib-cygwin.git")
(commit commit)))
(sha256
(base32
"0drs9v8avh4y2h5bs0ixjn9x662jzkkikx8z034wgl41dxmn6786"))))
(arguments
(substitute-keyword-arguments (package-arguments base)
((#:phases original-phases)
#~(modify-phases #$original-phases
(replace 'fix-references-to-/bin/sh
(lambda _
(substitute* '("libgloss/arm/cpu-init/Makefile.inc"
"libgloss/arm/Makefile.inc"
"libgloss/libnosys/Makefile.inc"
"libgloss/Makefile.in")
(("/bin/sh") (which "sh")))
#t))))
;; The configure flags are identical to the flags used by the "GCC
;; ARM embedded" project.
((#:configure-flags flags)
#~(cons* "--enable-newlib-io-c99-formats"
"--enable-newlib-retargetable-locking"
"--enable-newlib-mb"
"--enable-newlib-reent-check-verify"
"--enable-newlib-register-fini"
#$flags))))
(native-inputs
`(("xbinutils" ,(cross-binutils "arm-none-eabi"))
("xgcc" ,(make-gcc-arm-none-eabi-12.3.rel1))
("texinfo" ,texinfo)))))))
(define make-newlib-nano-arm-none-eabi-12.3.rel1
(mlambda ()
(make-base-newlib-arm-none-eabi-12.3.rel1 (make-newlib-nano-arm-none-eabi))))
(define make-newlib-arm-none-eabi-12.3.rel1
(mlambda ()
(make-base-newlib-arm-none-eabi-12.3.rel1 (make-newlib-arm-none-eabi))))
(define make-libstdc++-12.3.rel1
(mlambda (xgcc newlib)
(let* ((newlib-with-xgcc
(package
(inherit newlib)
(native-inputs
(alist-replace "xgcc" (list xgcc)
(package-native-inputs newlib)))))
(base ((@@ (gnu packages embedded) make-libstdc++-arm-none-eabi) xgcc newlib-with-xgcc))
(src (package-source base)))
(package
(inherit base)
(source
(origin
(inherit src)
(patches
(cons* (local-file "./patches/newlib-getentropy.patch")
(origin-patches src)))))
;; TODO add back the debug phase after figuring out
;; how the Guix build system / gcc build phases create the
;; debug phase
(outputs '("out"))
(arguments (substitute-keyword-arguments (package-arguments base)
((#:configure-flags flags)
#~(cons* "--with-target-subdir=yes"
"CFLAGS=-ffunction-sections -fdata-sections"
(string-append "--libdir="
#$output
"/arm-none-eabi/lib")
#$flags))))))))
(define make-libstdc++-nano-12.3.rel1
(mlambda (xgcc newlib-nano)
(let ((base (make-libstdc++-12.3.rel1 xgcc newlib-nano)))
(package
(inherit base)
(name "libstdc++-arm-none-eabi-nano")
(arguments (substitute-keyword-arguments (package-arguments base)
((#:configure-flags flags)
#~(cons* "CFLAGS=-ffunction-sections -fdata-sections -fno-exceptions"
(filter
(lambda (flag)
(not (string-prefix? "CFLAGS=" flag)))
#$flags)))
((#:phases phases)
#~(modify-phases #$phases
;; This is mostly the same as for newlib-nano
(add-after 'install 'hardlink-libstdc++
(lambda* (#:key outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out")))
;; The nano.specs file says that newlib-nano files should
;; end in "_nano.a" instead of just ".a". Note that this
;; applies to all the multilib folders too.
(for-each
(lambda (file)
(link file
(string-append
;; Strip ".a" off the end
(substring file 0 (- (string-length file) 2))
;; Add "_nano.a" onto the end
"_nano.a")))
(find-files
out "^(libstdc\\+\\+.a|libsupc\\+\\+.a)$")))))))))))))
(define make-arm-none-eabi-toolchain
(mlambda (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 "arm-none-eabi-toolchain")
(version (package-version xgcc))
(source #f)
(build-system trivial-build-system)
(arguments
'(#:modules ((guix build union))
#:builder
(begin
(use-modules (ice-9 match)
(guix build union))
(match %build-inputs
(((names . directories) ...)
(union-build (assoc-ref %outputs "out")
directories))))))
(propagated-inputs
`(("binutils" ,(cross-binutils "arm-none-eabi"))
("libstdc++" ,(make-libstdc++-12.3.rel1 xgcc newlib))
("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 make-arm-none-eabi-nano-toolchain
(mlambda (xgcc newlib-nano)
(let ((base (make-arm-none-eabi-toolchain xgcc newlib-nano)))
(package
(inherit base)
(name "arm-none-eabi-nano-toolchain")
(propagated-inputs
(modify-inputs (package-propagated-inputs base)
(replace "libstdc++" (make-libstdc++-nano-12.3.rel1 xgcc newlib-nano))))))))
(define arm-none-eabi-toolchain-12.3.rel1
(make-arm-none-eabi-toolchain
(make-gcc-arm-none-eabi-12.3.rel1)
(make-newlib-arm-none-eabi-12.3.rel1)))
(define arm-none-eabi-nano-toolchain-12.3.rel1
(make-arm-none-eabi-nano-toolchain
(make-gcc-arm-none-eabi-12.3.rel1)
(make-newlib-nano-arm-none-eabi-12.3.rel1)))
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