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scripts: Add sample SuperH configuration
This requires a patched GCC to resolve some FPU related issues. Signed-off-by: Keith Packard <[email protected]>
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‎scripts/cross-sh-unknown-elf.txt

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[binaries]
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# Meson 0.53.2 doesn't use any cflags when doing basic compiler tests,
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# so we have to add -nostdlib to the compiler configuration itself or
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# early compiler tests will fail. This can be removed when picolibc
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# requires at least version 0.54.2 of meson.
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c = ['ccache', 'sh-unknown-elf-gcc', '-nostdlib']
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ar = 'sh-unknown-elf-ar'
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as = 'sh-unknown-elf-as'
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nm = 'sh-unknown-elf-nm'
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strip = 'sh-unknown-elf-strip'
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exe_wrapper = ['sh', '-c', 'test -z "$PICOLIBC_TEST" || run-sh "$@"', 'run-sh']
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[host_machine]
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system = 'none'
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cpu_family = 'sh'
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cpu = 'sh'
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endian = 'little'
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[properties]
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skip_sanity_check = true
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default_flash_addr = '0x00000000'
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default_flash_size = '0x00400000'
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default_ram_addr = '0x0c000000'
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default_ram_size = '0x00200000'
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skip_math_test = ['m4_single_only', 'mb_m4_single_only', 'ml_m4_single_only']

‎scripts/do-sh-unknown-elf-configure

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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Copyright © 2019 Keith Packard
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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# OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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exec "$(dirname "$0")"/do-configure sh-unknown-elf -Dtests=true -Dtests-enable-posix-io=false "$@"

‎scripts/run-sh

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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Copyright © 2020 Keith Packard
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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# OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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dir="$(dirname "$0")"
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# select the program
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elf="$1"
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shift
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qemu="qemu-system-sh4"
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cpu=sh7750r
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case "$elf" in
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*_m2a*)
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echo 'Unsupported target'
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exit 77
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;;
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*_mb*)
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qemu="qemu-system-sh4eb"
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;;
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*_ml_*)
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qemu="qemu-system-sh4"
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;;
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*)
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;;
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esac
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"$dir"/monitor-e9 $qemu \
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-chardev stdio,id=con,mux=on \
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-machine r2d \
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-cpu $cpu \
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-serial chardev:con \
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-mon chardev=con,mode=readline \
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-net none \
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-nographic \
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-device loader,file="$elf",cpu-num=0 "$@" < /dev/null
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#gxemul -E testsh "$elf"

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