diff options
| -rw-r--r-- | roms/edk2-funcs.sh | 240 | ||||
| -rwxr-xr-x | tests/uefi-test-tools/build.sh | 97 |
2 files changed, 246 insertions, 91 deletions
diff --git a/roms/edk2-funcs.sh b/roms/edk2-funcs.sh new file mode 100644 index 0000000..8930479 --- /dev/null +++ b/roms/edk2-funcs.sh @@ -0,0 +1,240 @@ +# Shell script that defines functions for determining some environmental +# characteristics for the edk2 "build" utility. +# +# This script is meant to be sourced, in a bash environment. +# +# Copyright (C) 2019 Red Hat, Inc. +# +# This program and the accompanying materials are licensed and made available +# under the terms and conditions of the BSD License that accompanies this +# distribution. The full text of the license may be found at +# <http://opensource.org/licenses/bsd-license.php>. +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT +# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + +# Verify whether the QEMU system emulation target is supported by the UEFI spec +# and edk2. Print a message to the standard error, and return with nonzero +# status, if verification fails. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_verify_arch() +{ + local emulation_target="$1" + local program_name=$(basename -- "$0") + + case "$emulation_target" in + (arm|aarch64|i386|x86_64) + ;; + (*) + printf '%s: unknown/unsupported QEMU system emulation target "%s"\n' \ + "$program_name" "$emulation_target" >&2 + return 1 + ;; + esac +} + + +# Translate the QEMU system emulation target to the edk2 architecture +# identifier. Print the result to the standard output. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_get_arch() +{ + local emulation_target="$1" + + if ! qemu_edk2_verify_arch "$emulation_target"; then + return 1 + fi + + case "$emulation_target" in + (arm) + printf 'ARM\n' + ;; + (aarch64) + printf 'AARCH64\n' + ;; + (i386) + printf 'IA32\n' + ;; + (x86_64) + printf 'X64\n' + ;; + esac +} + + +# Translate the QEMU system emulation target to the gcc cross-compilation +# architecture identifier. Print the result to the standard output. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_get_gcc_arch() +{ + local emulation_target="$1" + + if ! qemu_edk2_verify_arch "$emulation_target"; then + return 1 + fi + + case "$emulation_target" in + (arm|aarch64|x86_64) + printf '%s\n' "$emulation_target" + ;; + (i386) + printf 'i686\n' + ;; + esac +} + + +# Determine the gcc cross-compiler prefix (if any) for use with the edk2 +# toolchain. Print the result to the standard output. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_get_cross_prefix() +{ + local emulation_target="$1" + local gcc_arch + local host_arch + + if ! gcc_arch=$(qemu_edk2_get_gcc_arch "$emulation_target"); then + return 1 + fi + + host_arch=$(uname -m) + + if [ "$gcc_arch" == "$host_arch" ] || + ( [ "$gcc_arch" == i686 ] && [ "$host_arch" == x86_64 ] ); then + # no cross-compiler needed + : + else + printf '%s-linux-gnu-\n' "$gcc_arch" + fi +} + + +# Determine the edk2 toolchain tag for the QEMU system emulation target. Print +# the result to the standard output. Print a message to the standard error, and +# return with nonzero status, if the (conditional) gcc version check fails. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_get_toolchain() +{ + local emulation_target="$1" + local program_name=$(basename -- "$0") + local cross_prefix + local gcc_version + + if ! qemu_edk2_verify_arch "$emulation_target"; then + return 1 + fi + + case "$emulation_target" in + (arm|aarch64) + printf 'GCC5\n' + ;; + + (i386|x86_64) + if ! cross_prefix=$(qemu_edk2_get_cross_prefix "$emulation_target"); then + return 1 + fi + + gcc_version=$("${cross_prefix}gcc" -v 2>&1 | tail -1 | awk '{print $3}') + # Run "git-blame" on "OvmfPkg/build.sh" in edk2 for more information on + # the mapping below. + case "$gcc_version" in + ([1-3].*|4.[0-3].*) + printf '%s: unsupported gcc version "%s"\n' \ + "$program_name" "$gcc_version" >&2 + return 1 + ;; + (4.4.*) + printf 'GCC44\n' + ;; + (4.5.*) + printf 'GCC45\n' + ;; + (4.6.*) + printf 'GCC46\n' + ;; + (4.7.*) + printf 'GCC47\n' + ;; + (4.8.*) + printf 'GCC48\n' + ;; + (4.9.*|6.[0-2].*) + printf 'GCC49\n' + ;; + (*) + printf 'GCC5\n' + ;; + esac + ;; + esac +} + + +# Determine the name of the environment variable that exposes the +# cross-compiler prefix to the edk2 "build" utility. Print the result to the +# standard output. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_get_cross_prefix_var() +{ + local emulation_target="$1" + local edk2_toolchain + local edk2_arch + + if ! edk2_toolchain=$(qemu_edk2_get_toolchain "$emulation_target"); then + return 1 + fi + + case "$emulation_target" in + (arm|aarch64) + if ! edk2_arch=$(qemu_edk2_get_arch "$emulation_target"); then + return 1 + fi + printf '%s_%s_PREFIX\n' "$edk2_toolchain" "$edk2_arch" + ;; + (i386|x86_64) + printf '%s_BIN\n' "$edk2_toolchain" + ;; + esac +} + + +# Set and export the environment variable(s) necessary for cross-compilation, +# whenever needed by the edk2 "build" utility. +# +# Parameters: +# $1: QEMU system emulation target +qemu_edk2_set_cross_env() +{ + local emulation_target="$1" + local cross_prefix + local cross_prefix_var + + if ! cross_prefix=$(qemu_edk2_get_cross_prefix "$emulation_target"); then + return 1 + fi + + if [ -z "$cross_prefix" ]; then + # Nothing to do. + return 0 + fi + + if ! cross_prefix_var=$(qemu_edk2_get_cross_prefix_var \ + "$emulation_target"); then + return 1 + fi + + eval "export $cross_prefix_var=\$cross_prefix" +} diff --git a/tests/uefi-test-tools/build.sh b/tests/uefi-test-tools/build.sh index 155cb75..e2b52c8 100755 --- a/tests/uefi-test-tools/build.sh +++ b/tests/uefi-test-tools/build.sh @@ -38,97 +38,12 @@ if [ $ret -ne 0 ]; then exit $ret fi -# Map the QEMU system emulation target to the following types of architecture -# identifiers: -# - edk2, -# - gcc cross-compilation. -# Cover only those targets that are supported by the UEFI spec and edk2. -case "$emulation_target" in - (arm) - edk2_arch=ARM - gcc_arch=arm - ;; - (aarch64) - edk2_arch=AARCH64 - gcc_arch=aarch64 - ;; - (i386) - edk2_arch=IA32 - gcc_arch=i686 - ;; - (x86_64) - edk2_arch=X64 - gcc_arch=x86_64 - ;; - (*) - printf '%s: unknown/unsupported QEMU system emulation target "%s"\n' \ - "$program_name" "$emulation_target" >&2 - exit 1 - ;; -esac - -# Check if cross-compilation is needed. -host_arch=$(uname -m) -if [ "$gcc_arch" == "$host_arch" ] || - ( [ "$gcc_arch" == i686 ] && [ "$host_arch" == x86_64 ] ); then - cross_prefix= -else - cross_prefix=${gcc_arch}-linux-gnu- -fi - -# Expose cross_prefix (which is possibly empty) to the edk2 tools. While at it, -# determine the suitable edk2 toolchain as well. -# - For ARM and AARCH64, edk2 only offers the GCC5 toolchain tag, which covers -# the gcc-5+ releases. -# - For IA32 and X64, edk2 offers the GCC44 through GCC49 toolchain tags, in -# addition to GCC5. Unfortunately, the mapping between the toolchain tags and -# the actual gcc releases isn't entirely trivial. Run "git-blame" on -# "OvmfPkg/build.sh" in edk2 for more information. -# And, because the above is too simple, we have to assign cross_prefix to an -# edk2 build variable that is specific to both the toolchain tag and the target -# architecture. -case "$edk2_arch" in - (ARM) - edk2_toolchain=GCC5 - export GCC5_ARM_PREFIX=$cross_prefix - ;; - (AARCH64) - edk2_toolchain=GCC5 - export GCC5_AARCH64_PREFIX=$cross_prefix - ;; - (IA32|X64) - gcc_version=$("${cross_prefix}gcc" -v 2>&1 | tail -1 | awk '{print $3}') - case "$gcc_version" in - ([1-3].*|4.[0-3].*) - printf '%s: unsupported gcc version "%s"\n' \ - "$program_name" "$gcc_version" >&2 - exit 1 - ;; - (4.4.*) - edk2_toolchain=GCC44 - ;; - (4.5.*) - edk2_toolchain=GCC45 - ;; - (4.6.*) - edk2_toolchain=GCC46 - ;; - (4.7.*) - edk2_toolchain=GCC47 - ;; - (4.8.*) - edk2_toolchain=GCC48 - ;; - (4.9.*|6.[0-2].*) - edk2_toolchain=GCC49 - ;; - (*) - edk2_toolchain=GCC5 - ;; - esac - eval "export ${edk2_toolchain}_BIN=\$cross_prefix" - ;; -esac +# Fetch some option arguments, and set the cross-compilation environment (if +# any), for the edk2 "build" utility. +source "$edk2_dir/../edk2-funcs.sh" +edk2_arch=$(qemu_edk2_get_arch "$emulation_target") +edk2_toolchain=$(qemu_edk2_get_toolchain "$emulation_target") +qemu_edk2_set_cross_env "$emulation_target" # Build the UEFI binary mkdir -p log |