#!/bin/bash

declare -A gnu_data

# Populate gcc_override_configure, gcc_target_board_options, qemu_cpu,
# pretty_project, pretty_config, long_config depending on CI project
# and config
#
# $1: ci_project $2: ci_config
settings_for_ci_project_and_config ()
{
    local project="$1"
    local config="$2"

    gnu_data[gcc_override_configure]=""
    gnu_data[gcc_target_board_options]=""
    gnu_data[qemu_cpu]=""
    gnu_data[pretty_project]=""
    gnu_data[pretty_config]="$config"
    gnu_data[long_config]="$config"

    # Build the right libs depending on the target. Hardcode the
    # arch/cpu/float-abi/mode to speed up toolchain builds: the
    # alternative of building rmprofile multilibs takes a very long
    # time. Setting the values here has the drawback that we have to build
    # one toolchain per target_board type.
    # Also force the corresponding options via target_board_options. This
    # mimics how several vendors test the toolchain.
    case "$project/$config" in
	tcwg_gnu_embed*/*-arm_v7a_soft_eabi)
	    # better to test full soft here (hard float for Thumb below)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=arm \
		--set gcc_override_configure=--with-arch=armv7-a \
		--set gcc_override_configure=--with-fpu=vfpv3-d16 \
		--set gcc_override_configure=--with-float=soft"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-marm/-march=armv7-a/-mfpu=auto/-mfloat-abi=soft}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-a9"
	    gnu_data[pretty_config]="arm-eabi v7-a soft"
	    gnu_data[long_config]="arm-eabi -marm -march=armv7-a -mfpu=auto -mfloat-abi=soft"
	    ;;

	tcwg_gnu_embed*/*-arm_v7a_softfp_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=arm \
		--set gcc_override_configure=--with-arch=armv7-a \
		--set gcc_override_configure=--with-fpu=vfpv3-d16 \
		--set gcc_override_configure=--with-float=softfp"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-a9"
	    gnu_data[pretty_config]="arm-eabi v7-a softfp"
	    gnu_data[long_config]="arm-eabi -marm -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp"
	    ;;

	tcwg_gnu_embed*/*-thumb_v8a_hard_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-arch=armv8-a+simd \
		--set gcc_override_configure=--with-fpu=crypto-neon-fp-armv8 \
		--set gcc_override_configure=--with-float=hard"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv8-a+simd/-mfpu=auto/-mfloat-abi=hard}"
	    # FIXME The most recent A-profile CPU known by qemu is
	    # cortex-a15, which is v7-a. Use "any" so that it
	    # supports v8-a instructions.
	    gnu_data[qemu_cpu]="--qemu-cpu any"
	    gnu_data[pretty_config]="arm-eabi thumb v8-a hard"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv8-a+simd -mfpu=auto -mfloat-abi=hard"
	    ;;

	tcwg_gnu_embed*/*-thumb_m0_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-cpu=cortex-m0 \
		--set gcc_override_configure=--with-float=soft"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv6s-m/-mtune=cortex-m0/-mfloat-abi=soft/-mfpu=auto}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m0"
	    gnu_data[pretty_config]="arm-eabi cortex-m0 soft"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv6s-m -mtune=cortex-m0 -mfloat-abi=soft -mfpu=auto"
	    ;;

	tcwg_gnu_embed*/*-thumb_m3_eabi)
	    # No v7-m variants support fp, so softfp is meaningless (though should work).
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-cpu=cortex-m3 \
		--set gcc_override_configure=--with-float=softfp"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv7-m/-mtune=cortex-m3/-mfloat-abi=softfp/-mfpu=auto}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m3"
	    gnu_data[pretty_config]="arm-eabi cortex-m3 softfp"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv7-m -mtune=cortex-m3 -mfloat-abi=softfp -mfpu=auto"
	    ;;

	tcwg_gnu_embed*/*-thumb_m7_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-cpu=cortex-m7 \
		--set gcc_override_configure=--with-float=hard"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv7e-m+fp.dp/-mtune=cortex-m7/-mfloat-abi=hard/-mfpu=auto}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m7"
	    gnu_data[pretty_config]="arm-eabi cortex-m7 hard"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv7e-m+fp.dp -mtune=cortex-m7 -mfloat-abi=hard -mfpu=auto"
	    ;;

	tcwg_gnu_embed*/*-thumb_m23_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-cpu=cortex-m23 \
		--set gcc_override_configure=--with-float=soft"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv8-m.base/-mtune=cortex-m23/-mfloat-abi=soft/-mfpu=auto}"
	    # qemu does not support m23, use m33 as a superset (v8-m.base vs v8-m.main)
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m33"
	    gnu_data[pretty_config]="arm-eabi cortex-m23 soft"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv8-m.base -mtune=cortex-m23 -mfloat-abi=soft -mfpu=auto"
	    ;;

	tcwg_gnu_embed*/*-thumb_m33_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-cpu=cortex-m33 \
		--set gcc_override_configure=--with-float=hard"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv8-m.main+dsp+fp/-mtune=cortex-m33/-mfloat-abi=hard/-mfpu=auto}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m33"
	    gnu_data[pretty_config]="arm-eabi cortex-m33 hard"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv8-m.main+dsp+fp -mtune=cortex-m33 -mfloat-abi=hard -mfpu=auto"
	    ;;

	tcwg_gnu_embed*/*-thumb_m55_hard_eabi)
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--disable-multilib \
		--set gcc_override_configure=--with-mode=thumb \
		--set gcc_override_configure=--with-arch=armv8.1-m.main+mve.fp+fp.dp \
		--set gcc_override_configure=--with-float=hard"
	    gnu_data[gcc_target_board_options]="\
		--set target_board_options={-mthumb/-march=armv8.1-m.main+mve.fp+fp.dp/-mtune=cortex-m55/-mfloat-abi=hard/-mfpu=auto}"
	    gnu_data[qemu_cpu]="--qemu-cpu cortex-m55"
	    # shellcheck disable=SC2034
	    gnu_data[pretty_config]="arm-eabi cortex-m55 hard"
	    gnu_data[long_config]="arm-eabi -mthumb -march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard -mfpu=auto"
	    ;;

	tcwg_gnu_mingw*/*)
	    # Only mingw thread library (not cygwin) is supported at the moment,
	    # so use --enable-threads=win32
	    # FIXME: Add --disable-shared as a workaround for GCC currently
	    # failing to build several shared libraries.
	    gnu_data[gcc_override_configure]="\
		--set gcc_override_configure=--enable-threads=win32 \
		--set gcc_override_configure=--disable-shared"
	    ;;

	tcwg_gnu*/*|tcwg_gcc/**)
	    ;;

	*/*)
	    # Remove useless leading "tcwg_"
	    # shellcheck disable=SC2034
	    gnu_data[pretty_project]=$(echo $project | sed 's/^tcwg_//')
	    ;;

    esac
}