Index: system/base/target.scm
===================================================================
--- system/base/target.scm (nonexistent)
+++ system/base/target.scm (revision 5)
@@ -0,0 +1,198 @@
+;;; Compilation targets
+
+;; Copyright (C) 2011-2014,2017-2018 Free Software Foundation, Inc.
+
+;; This library is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU Lesser General Public
+;; License as published by the Free Software Foundation; either
+;; version 3 of the License, or (at your option) any later version.
+;;
+;; This library 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
+;; Lesser General Public License for more details.
+;;
+;; You should have received a copy of the GNU Lesser General Public
+;; License along with this library; if not, write to the Free Software
+;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+;; 02110-1301 USA
+
+;;; Code:
+
+(define-module (system base target)
+ #:use-module (rnrs bytevectors)
+ #:use-module (ice-9 regex)
+ #:export (target-type with-target with-native-target
+
+ target-cpu target-vendor target-os
+
+ target-endianness target-word-size
+
+ target-max-size-t
+ target-max-size-t/scm
+ target-max-vector-length
+
+ target-most-negative-fixnum
+ target-most-positive-fixnum
+ target-fixnum?))
+
+
+
+;;;
+;;; Target types
+;;;
+
+(define %native-word-size
+ ((@ (system foreign) sizeof) '*))
+
+(define %target-type (make-fluid %host-type))
+(define %target-endianness (make-fluid (native-endianness)))
+(define %target-word-size (make-fluid %native-word-size))
+
+(define (validate-target target)
+ (if (or (not (string? target))
+ (let ((parts (string-split target #\-)))
+ (or (< (length parts) 3)
+ (or-map string-null? parts))))
+ (error "invalid target" target)))
+
+(define (with-target target thunk)
+ (validate-target target)
+ (let ((cpu (triplet-cpu target)))
+ (with-fluids ((%target-type target)
+ (%target-endianness (cpu-endianness cpu))
+ (%target-word-size (triplet-pointer-size target)))
+ (thunk))))
+
+(define (with-native-target thunk)
+ (with-fluids ((%target-type %host-type)
+ (%target-endianness (native-endianness))
+ (%target-word-size %native-word-size))
+ (thunk)))
+
+(define (cpu-endianness cpu)
+ "Return the endianness for CPU."
+ (if (string=? cpu (triplet-cpu %host-type))
+ (native-endianness)
+ (cond ((string-match "^i[0-9]86$" cpu)
+ (endianness little))
+ ((member cpu '("x86_64" "ia64"
+ "powerpcle" "powerpc64le" "mipsel" "mips64el"
+ "aarch64" "arm" "nios2" "sh3" "sh4" "alpha"))
+ (endianness little))
+ ((member cpu '("sparc" "sparc64" "powerpc" "powerpc64" "spu"
+ "mips" "mips64" "aarch64_be" "m68k" "s390x"))
+ (endianness big))
+ ((string-match "^arm.*el" cpu)
+ (endianness little))
+ ((string-match "^arm.*eb" cpu)
+ (endianness big))
+ ((string-prefix? "arm" cpu) ;ARMs are LE by default
+ (endianness little))
+ ((string-match "^aarch64.*be" cpu)
+ (endianness big))
+ ((string=? "aarch64" cpu)
+ (endianness little))
+ ((string-match "riscv[1-9][0-9]*" cpu)
+ (endianness little))
+ (else
+ (error "unknown CPU endianness" cpu)))))
+
+(define (triplet-pointer-size triplet)
+ "Return the size of pointers in bytes for TRIPLET."
+ (let ((cpu (triplet-cpu triplet)))
+ (cond ((and (string=? cpu (triplet-cpu %host-type))
+ (string=? (triplet-os triplet) (triplet-os %host-type)))
+ %native-word-size)
+
+ ((string-match "^i[0-9]86$" cpu) 4)
+
+ ;; Although GNU config.guess doesn't yet recognize them,
+ ;; Debian (ab)uses the OS part to denote the specific ABI
+ ;; being used: <http://wiki.debian.org/Multiarch/Tuples>.
+ ;; See <http://www.linux-mips.org/wiki/WhatsWrongWithO32N32N64>
+ ;; for details on the MIPS ABIs.
+ ((string-match "^mips64.*-gnuabi64" triplet) 8) ; n64 ABI
+ ((string-match "^mips64" cpu) 4) ; n32 or o32
+
+ ((string-match "^x86_64-.*-gnux32" triplet) 4) ; x32
+
+ ((string-match "64$" cpu) 8)
+ ((string-match "64_?[lbe][lbe]$" cpu) 8)
+ ((member cpu '("sparc" "powerpc" "mips" "mipsel" "nios2" "m68k" "sh3" "sh4")) 4)
+ ((member cpu '("s390x" "alpha")) 8)
+ ((string-match "^aarch64.*" cpu) 8)
+ ((string-match "^arm.*" cpu) 4)
+ (else (error "unknown CPU word size" cpu)))))
+
+(define (triplet-cpu t)
+ (substring t 0 (string-index t #\-)))
+
+(define (triplet-vendor t)
+ (let ((start (1+ (string-index t #\-))))
+ (substring t start (string-index t #\- start))))
+
+(define (triplet-os t)
+ (let ((start (1+ (string-index t #\- (1+ (string-index t #\-))))))
+ (substring t start)))
+
+
+(define (target-type)
+ "Return the GNU configuration triplet of the target platform."
+ (fluid-ref %target-type))
+
+(define (target-cpu)
+ "Return the CPU name of the target platform."
+ (triplet-cpu (target-type)))
+
+(define (target-vendor)
+ "Return the vendor name of the target platform."
+ (triplet-vendor (target-type)))
+
+(define (target-os)
+ "Return the operating system name of the target platform."
+ (triplet-os (target-type)))
+
+(define (target-endianness)
+ "Return the endianness object of the target platform."
+ (fluid-ref %target-endianness))
+
+(define (target-word-size)
+ "Return the word size, in bytes, of the target platform."
+ (fluid-ref %target-word-size))
+
+(define (target-max-size-t)
+ "Return the maximum size_t value of the target platform, in bytes."
+ ;; Apply the currently-universal restriction of a maximum 48-bit
+ ;; address space.
+ (1- (ash 1 (min (* (target-word-size) 8) 48))))
+
+(define (target-max-size-t/scm)
+ "Return the maximum size_t value of the target platform, in units of
+SCM words."
+ ;; Apply the currently-universal restriction of a maximum 48-bit
+ ;; address space.
+ (/ (target-max-size-t) (target-word-size)))
+
+(define (target-max-vector-length)
+ "Return the maximum vector length of the target platform, in units of
+SCM words."
+ ;; Vector size fits in first word; the low 8 bits are taken by the
+ ;; type tag. Additionally, restrict to 48-bit address space.
+ (1- (ash 1 (min (- (* (target-word-size) 8) 8) 48))))
+
+(define (target-most-negative-fixnum)
+ "Return the most negative integer representable as a fixnum on the
+target platform."
+ (- (ash 1 (- (* (target-word-size) 8) 3))))
+
+(define (target-most-positive-fixnum)
+ "Return the most positive integer representable as a fixnum on the
+target platform."
+ (1- (ash 1 (- (* (target-word-size) 8) 3))))
+
+(define (target-fixnum? n)
+ (and (exact-integer? n)
+ (<= (target-most-negative-fixnum)
+ n
+ (target-most-positive-fixnum))))
Index: system/base
===================================================================
--- system/base (nonexistent)
+++ system/base (revision 5)
Property changes on: system/base
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: system
===================================================================
--- system (nonexistent)
+++ system (revision 5)
Property changes on: system
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- . (nonexistent)
+++ . (revision 5)
Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Radix cross Linux
The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines
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