scripts: Add sample openrisc scripts

Sample configuration for testing openrisc targets using qemu with the
virt model.

Signed-off-by: Keith Packard <[email protected]>

Author: keith-packard

scripts/cross-or1k-elf.txt

@@ -0,0 +1,25 @@
+[binaries]
+# Meson 0.53.2 doesn't use any cflags when doing basic compiler tests,
+# so we have to add -nostdlib to the compiler configuration itself or
+# early compiler tests will fail. This can be removed when picolibc
+# requires at least version 0.54.2 of meson.
+c = ['or1k-elf-gcc', '-nostdlib']
+cpp = ['or1k-elf-g++', '-nostdlib']
+ar = 'or1k-elf-ar'
+as = 'or1k-elf-as'
+nm = 'or1k-elf-nm'
+strip = 'or1k-elf-strip'
+exe_wrapper = ['sh', '-c', 'test -z "$PICOLIBC_TEST" || run-or1k "$@"', 'run-or1k']
+
+[host_machine]
+system = 'none'
+cpu_family = 'or1k'
+cpu = 'or1k'
+endian = 'little'
+
+[properties]
+skip_sanity_check = true
+default_flash_addr = '0x00000000'
+default_flash_size = '0x00400000'
+default_ram_addr   = '0x00400000'
+default_ram_size   = '0x00400000'

scripts/do-or1k-configure

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+#!/bin/sh
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Copyright © 2019 Keith Packard
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above
+#    copyright notice, this list of conditions and the following
+#    disclaimer in the documentation and/or other materials provided
+#    with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+# OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+exec "$(dirname "$0")"/do-configure or1k-elf -Dtests=true -Dtests-enable-posix-io=false "$@"

scripts/run-or1k

@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Copyright © 2020 Keith Packard
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above
+#    copyright notice, this list of conditions and the following
+#    disclaimer in the documentation and/or other materials provided
+#    with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived
+#    from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+# OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+dir="$(dirname "$0")"
+
+# select the program
+elf="$1"
+shift
+
+qemu="qemu-system-or1k"
+
+# Point serial port at new chardev
+
+serial=stdio
+
+cpu=any
+
+$qemu \
+  -chardev stdio,id=con,mux=on \
+  -machine virt \
+  -cpu $cpu \
+  -serial chardev:con \
+  -mon chardev=con,mode=readline \
+  -net none \
+  -nographic \
+  -kernel "$elf" "$@"