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or1k: Build Infrastructure

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Here we define the minumum linux kernel version at 5.4.0, as that is the
long term support version where 32-bit architectures start to support
64-bit time API's.  The OpenRISC kernel had some bugs up until version 5.8
which caused issues with glibc fork/clone, they have been backported to
5.4 but not previous versions.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Stafford Horne 2021-10-20 06:54:11 +09:00
parent d147259b5c
commit 0c3c62ca7d
9 changed files with 63 additions and 0 deletions
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3
sysdeps/or1k/Implies Normal file
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wordsize-32
ieee754/dbl-64
ieee754/flt-32

6
sysdeps/or1k/Makefile Normal file
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ASFLAGS-.os += -fPIC
ifeq ($(subdir),elf)
# Extra shared linker files to link only into dl-allobjs.so.
sysdep-rtld-routines += dl-start
endif

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sysdeps/or1k/nofpu/Implies Normal file
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ieee754/soft-fp

33
sysdeps/or1k/preconfigure Normal file
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#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
case "$machine" in
or1k*)
base_machine=or1k
machine=or1k
with_fp_cond="defined __or1k_hard_float__"
;;
esac

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sysdeps/unix/sysv/linux/or1k/Implies Normal file
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or1k/nptl
unix/sysv/linux/generic/wordsize-32
unix/sysv/linux/generic

7
sysdeps/unix/sysv/linux/or1k/Makefile Normal file
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ifeq ($(subdir),misc)
sysdep_routines += or1k_clone
endif
ifeq ($(subdir),stdlib)
gen-as-const-headers += ucontext_i.sym
endif

4
sysdeps/unix/sysv/linux/or1k/configure vendored Normal file
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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/or1k.
arch_minimum_kernel=5.4.0

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sysdeps/unix/sysv/linux/or1k/configure.ac Normal file
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/or1k.
arch_minimum_kernel=5.4.0

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sysdeps/unix/sysv/linux/or1k/shlib-versions Normal file
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DEFAULT GLIBC_2.35
ld=ld-linux-or1k.so.1