roms: lift "edk2-funcs.sh" from "tests/uefi-test-tools/build.sh"
Extract the dense logic for architecture and toolchain massaging from "tests/uefi-test-tools/build.sh", to a set of small functions. We'll reuse these functions for building full platform firmware images. Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daud <philmd@redhat.com> Tested-by: Philippe Mathieu-Daud <philmd@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This commit is contained in:
Laszlo Ersek
parent
eeba63fc7f
commit
65a109ab4b
240
roms/edk2-funcs.sh
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240
roms/edk2-funcs.sh
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@ -0,0 +1,240 @@
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# Shell script that defines functions for determining some environmental
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# characteristics for the edk2 "build" utility.
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#
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# This script is meant to be sourced, in a bash environment.
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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# This program and the accompanying materials are licensed and made available
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# under the terms and conditions of the BSD License that accompanies this
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# distribution. The full text of the license may be found at
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# <http://opensource.org/licenses/bsd-license.php>.
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
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# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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# Verify whether the QEMU system emulation target is supported by the UEFI spec
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# and edk2. Print a message to the standard error, and return with nonzero
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# status, if verification fails.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_verify_arch()
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{
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local emulation_target="$1"
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local program_name=$(basename -- "$0")
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case "$emulation_target" in
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(arm|aarch64|i386|x86_64)
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;;
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(*)
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printf '%s: unknown/unsupported QEMU system emulation target "%s"\n' \
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"$program_name" "$emulation_target" >&2
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return 1
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;;
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esac
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}
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# Translate the QEMU system emulation target to the edk2 architecture
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# identifier. Print the result to the standard output.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_get_arch()
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{
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local emulation_target="$1"
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if ! qemu_edk2_verify_arch "$emulation_target"; then
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return 1
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fi
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case "$emulation_target" in
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(arm)
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printf 'ARM\n'
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;;
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(aarch64)
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printf 'AARCH64\n'
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;;
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(i386)
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printf 'IA32\n'
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;;
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(x86_64)
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printf 'X64\n'
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;;
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esac
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}
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# Translate the QEMU system emulation target to the gcc cross-compilation
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# architecture identifier. Print the result to the standard output.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_get_gcc_arch()
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{
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local emulation_target="$1"
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if ! qemu_edk2_verify_arch "$emulation_target"; then
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return 1
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fi
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case "$emulation_target" in
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(arm|aarch64|x86_64)
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printf '%s\n' "$emulation_target"
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;;
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(i386)
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printf 'i686\n'
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;;
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esac
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}
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# Determine the gcc cross-compiler prefix (if any) for use with the edk2
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# toolchain. Print the result to the standard output.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_get_cross_prefix()
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{
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local emulation_target="$1"
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local gcc_arch
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local host_arch
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if ! gcc_arch=$(qemu_edk2_get_gcc_arch "$emulation_target"); then
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return 1
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fi
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host_arch=$(uname -m)
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if [ "$gcc_arch" == "$host_arch" ] ||
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( [ "$gcc_arch" == i686 ] && [ "$host_arch" == x86_64 ] ); then
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# no cross-compiler needed
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:
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else
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printf '%s-linux-gnu-\n' "$gcc_arch"
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fi
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}
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# Determine the edk2 toolchain tag for the QEMU system emulation target. Print
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# the result to the standard output. Print a message to the standard error, and
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# return with nonzero status, if the (conditional) gcc version check fails.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_get_toolchain()
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{
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local emulation_target="$1"
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local program_name=$(basename -- "$0")
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local cross_prefix
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local gcc_version
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if ! qemu_edk2_verify_arch "$emulation_target"; then
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return 1
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fi
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case "$emulation_target" in
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(arm|aarch64)
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printf 'GCC5\n'
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;;
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(i386|x86_64)
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if ! cross_prefix=$(qemu_edk2_get_cross_prefix "$emulation_target"); then
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return 1
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fi
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gcc_version=$("${cross_prefix}gcc" -v 2>&1 | tail -1 | awk '{print $3}')
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# Run "git-blame" on "OvmfPkg/build.sh" in edk2 for more information on
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# the mapping below.
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case "$gcc_version" in
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([1-3].*|4.[0-3].*)
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printf '%s: unsupported gcc version "%s"\n' \
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"$program_name" "$gcc_version" >&2
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return 1
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;;
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(4.4.*)
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printf 'GCC44\n'
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;;
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(4.5.*)
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printf 'GCC45\n'
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;;
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(4.6.*)
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printf 'GCC46\n'
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;;
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(4.7.*)
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printf 'GCC47\n'
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;;
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(4.8.*)
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printf 'GCC48\n'
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;;
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(4.9.*|6.[0-2].*)
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printf 'GCC49\n'
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;;
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(*)
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printf 'GCC5\n'
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;;
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esac
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;;
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esac
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}
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# Determine the name of the environment variable that exposes the
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# cross-compiler prefix to the edk2 "build" utility. Print the result to the
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# standard output.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_get_cross_prefix_var()
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{
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local emulation_target="$1"
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local edk2_toolchain
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local edk2_arch
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if ! edk2_toolchain=$(qemu_edk2_get_toolchain "$emulation_target"); then
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return 1
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fi
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case "$emulation_target" in
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(arm|aarch64)
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if ! edk2_arch=$(qemu_edk2_get_arch "$emulation_target"); then
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return 1
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fi
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printf '%s_%s_PREFIX\n' "$edk2_toolchain" "$edk2_arch"
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;;
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(i386|x86_64)
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printf '%s_BIN\n' "$edk2_toolchain"
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;;
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esac
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}
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# Set and export the environment variable(s) necessary for cross-compilation,
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# whenever needed by the edk2 "build" utility.
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#
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# Parameters:
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# $1: QEMU system emulation target
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qemu_edk2_set_cross_env()
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{
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local emulation_target="$1"
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local cross_prefix
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local cross_prefix_var
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if ! cross_prefix=$(qemu_edk2_get_cross_prefix "$emulation_target"); then
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return 1
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fi
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if [ -z "$cross_prefix" ]; then
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# Nothing to do.
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return 0
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fi
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if ! cross_prefix_var=$(qemu_edk2_get_cross_prefix_var \
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"$emulation_target"); then
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return 1
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fi
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eval "export $cross_prefix_var=\$cross_prefix"
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}
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@ -38,97 +38,12 @@ if [ $ret -ne 0 ]; then
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exit $ret
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exit $ret
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fi
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fi
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# Map the QEMU system emulation target to the following types of architecture
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# Fetch some option arguments, and set the cross-compilation environment (if
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# identifiers:
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# any), for the edk2 "build" utility.
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# - edk2,
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source "$edk2_dir/../edk2-funcs.sh"
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# - gcc cross-compilation.
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edk2_arch=$(qemu_edk2_get_arch "$emulation_target")
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# Cover only those targets that are supported by the UEFI spec and edk2.
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edk2_toolchain=$(qemu_edk2_get_toolchain "$emulation_target")
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case "$emulation_target" in
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qemu_edk2_set_cross_env "$emulation_target"
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(arm)
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edk2_arch=ARM
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gcc_arch=arm
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;;
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(aarch64)
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edk2_arch=AARCH64
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gcc_arch=aarch64
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;;
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(i386)
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edk2_arch=IA32
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gcc_arch=i686
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;;
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(x86_64)
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edk2_arch=X64
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gcc_arch=x86_64
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;;
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(*)
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printf '%s: unknown/unsupported QEMU system emulation target "%s"\n' \
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"$program_name" "$emulation_target" >&2
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exit 1
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;;
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esac
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# Check if cross-compilation is needed.
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host_arch=$(uname -m)
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if [ "$gcc_arch" == "$host_arch" ] ||
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( [ "$gcc_arch" == i686 ] && [ "$host_arch" == x86_64 ] ); then
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cross_prefix=
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else
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cross_prefix=${gcc_arch}-linux-gnu-
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fi
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# Expose cross_prefix (which is possibly empty) to the edk2 tools. While at it,
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# determine the suitable edk2 toolchain as well.
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# - For ARM and AARCH64, edk2 only offers the GCC5 toolchain tag, which covers
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# the gcc-5+ releases.
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# - For IA32 and X64, edk2 offers the GCC44 through GCC49 toolchain tags, in
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# addition to GCC5. Unfortunately, the mapping between the toolchain tags and
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# the actual gcc releases isn't entirely trivial. Run "git-blame" on
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# "OvmfPkg/build.sh" in edk2 for more information.
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# And, because the above is too simple, we have to assign cross_prefix to an
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# edk2 build variable that is specific to both the toolchain tag and the target
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# architecture.
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case "$edk2_arch" in
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(ARM)
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edk2_toolchain=GCC5
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export GCC5_ARM_PREFIX=$cross_prefix
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;;
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(AARCH64)
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edk2_toolchain=GCC5
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export GCC5_AARCH64_PREFIX=$cross_prefix
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;;
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(IA32|X64)
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gcc_version=$("${cross_prefix}gcc" -v 2>&1 | tail -1 | awk '{print $3}')
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case "$gcc_version" in
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([1-3].*|4.[0-3].*)
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printf '%s: unsupported gcc version "%s"\n' \
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"$program_name" "$gcc_version" >&2
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exit 1
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;;
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(4.4.*)
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edk2_toolchain=GCC44
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;;
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(4.5.*)
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edk2_toolchain=GCC45
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;;
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(4.6.*)
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edk2_toolchain=GCC46
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;;
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(4.7.*)
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edk2_toolchain=GCC47
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;;
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(4.8.*)
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edk2_toolchain=GCC48
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;;
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(4.9.*|6.[0-2].*)
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edk2_toolchain=GCC49
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;;
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(*)
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edk2_toolchain=GCC5
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;;
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esac
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eval "export ${edk2_toolchain}_BIN=\$cross_prefix"
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;;
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esac
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# Build the UEFI binary
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# Build the UEFI binary
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mkdir -p log
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mkdir -p log
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Loading…
Reference in New Issue
Block a user