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executable file
·165 lines (142 loc) · 7.11 KB
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#!/bin/bash
#
# Build script — LG-E450g (vee5ss / MT6575)
# Compila el kernel y genera un ZIP flasheable con TWRP.
#
# Uso:
# ./build.sh # compilar
# ./build.sh clean # limpiar artefactos
# ./build.sh rebuild # limpiar y recompilar
#
# ── Configuración ─────────────────────────────────────────────────────────────
KERNEL_NAME="vee5ss"
KERNEL_VERSION="v1"
TOOLCHAIN_BIN="${CROSS_COMPILE_PATH:-$HOME/arm-eabi-4.6/bin}"
TOOLCHAIN_PREFIX="arm-eabi-"
DEFCONFIG="vee5ss_defconfig"
JOBS=$(nproc --all)
# ── Colores ───────────────────────────────────────────────────────────────────
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m'
# ── Rutas ─────────────────────────────────────────────────────────────────────
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
KERNEL_DIR="$REPO_ROOT/kernel"
ZIP_DIR="$REPO_ROOT/kernel/zip-creator"
ZIMAGE="$KERNEL_DIR/arch/arm/boot/zImage"
MKIMAGE="$REPO_ROOT/mediatek/build/tools/mkimage"
# ── Helpers ───────────────────────────────────────────────────────────────────
die() { echo -e "${RED}ERROR: $*${NC}" >&2; exit 1; }
info() { echo -e "${CYAN}>>> $*${NC}"; }
ok() { echo -e "${GREEN}>>> $*${NC}"; }
# ── Validar toolchain ─────────────────────────────────────────────────────────
if ! command -v "${TOOLCHAIN_BIN}/${TOOLCHAIN_PREFIX}gcc" &>/dev/null; then
die "Toolchain no encontrado: ${TOOLCHAIN_BIN}/${TOOLCHAIN_PREFIX}gcc\n" \
" Instala arm-eabi-4.6 en ~/arm-eabi-4.6/ o exporta CROSS_COMPILE_PATH=<ruta/bin>"
fi
export PATH="$TOOLCHAIN_BIN:$PATH"
export TARGET_PRODUCT="lge75_v5_reva_jb"
export HW_REVA="TRUE"
export KBUILD_BUILD_USER="chijure"
export KBUILD_BUILD_HOST="team-phoenix"
export ARCH=arm
export CROSS_COMPILE="$TOOLCHAIN_PREFIX"
export TARGET_BUILD_VARIANT=user
# ── Limpieza ──────────────────────────────────────────────────────────────────
do_clean() {
info "Limpiando artefactos de compilación..."
cd "$KERNEL_DIR" || die "No se puede entrar en $KERNEL_DIR"
# make distclean intenta limpiar el out/ generado; si no existe aún falla.
# Crear el Makefile stub para que el clean no aborte por archivo faltante.
mkdir -p "$REPO_ROOT/mediatek/custom/out/$TARGET_PRODUCT/kernel"
touch "$REPO_ROOT/mediatek/custom/out/$TARGET_PRODUCT/kernel/Makefile"
make distclean || die "Falló make distclean"
rm -rf "$REPO_ROOT/mediatek/custom/out"
# El árbol mediatek compila en-place; make distclean no lo alcanza.
find "$REPO_ROOT/mediatek" \
\( -name "modules.builtin" -o -name "modules.order" \
-o -name "*.ko" -o -name "*.o" -o -name ".*.cmd" \) \
-delete
ok "Limpieza completa."
}
# ── Compilación ───────────────────────────────────────────────────────────────
do_build() {
BUILD_START=$(date +"%s")
echo ""
echo -e "${BLUE}══════════════════════════════════════════${NC}"
info "Dispositivo : LG-E450g (${KERNEL_NAME})"
info "Defconfig : $DEFCONFIG"
info "Kernel : $KERNEL_NAME $KERNEL_VERSION"
info "Jobs : $JOBS"
info "Toolchain : ${TOOLCHAIN_BIN}/${TOOLCHAIN_PREFIX}gcc"
echo -e "${BLUE}══════════════════════════════════════════${NC}"
echo ""
cd "$KERNEL_DIR" || die "No se puede entrar en $KERNEL_DIR"
info "Cargando defconfig ($DEFCONFIG)..."
make ARCH=arm "$DEFCONFIG" \
|| die "Falló make $DEFCONFIG"
info "Compilando kernel con $JOBS hilos..."
make -j"$JOBS" ARCH=arm CROSS_COMPILE="$TOOLCHAIN_PREFIX" 2>&1 | tee "$REPO_ROOT/build.log"
[[ ${PIPESTATUS[0]} -eq 0 ]] || die "Compilación fallida. Revisa build.log"
[[ -f "$ZIMAGE" ]] || die "zImage no encontrado en $ZIMAGE"
info "Envolviendo zImage con cabecera MTK..."
[[ -x "$MKIMAGE" ]] || chmod a+x "$MKIMAGE"
"$MKIMAGE" "$ZIMAGE" KERNEL > "$ZIP_DIR/tools/zImage" \
|| die "Falló mkimage"
info "Copiando módulos del kernel..."
mkdir -p "$ZIP_DIR/system/lib/modules"
find "$KERNEL_DIR" "$REPO_ROOT/mediatek" \
-name "*.ko" \
! -path "*/zip-creator/*" \
-exec cp -a {} "$ZIP_DIR/system/lib/modules/" \;
# La ROM stock carga /system/lib/modules/wlan.ko, mientras el build genera
# el driver MT6620 como wlan_mt6620.ko. Stock los trae como el mismo binario.
if [[ -f "$ZIP_DIR/system/lib/modules/wlan_mt6620.ko" ]]; then
cp -a "$ZIP_DIR/system/lib/modules/wlan_mt6620.ko" \
"$ZIP_DIR/system/lib/modules/wlan.ko"
fi
MODULE_COUNT=$(ls "$ZIP_DIR/system/lib/modules/"*.ko 2>/dev/null | wc -l)
info " $MODULE_COUNT módulos copiados."
info "Creando ZIP flasheable..."
ZIPFILE="${KERNEL_NAME}-${KERNEL_VERSION}.zip"
cd "$ZIP_DIR" || die "No se puede entrar en $ZIP_DIR"
rm -f ./*.zip
zip -r "$ZIPFILE" . \
-x "*.gitignore" \
-x ".git/*" \
-x "*.zip" \
-x "build.sh"
[[ $? -eq 0 ]] || die "Falló la creación del ZIP"
BUILD_END=$(date +"%s")
ELAPSED=$(( BUILD_END - BUILD_START ))
echo ""
echo -e "${GREEN}══════════════════════════════════════════${NC}"
ok " ZIP : $ZIP_DIR/$ZIPFILE"
ok " Tiempo: $(( ELAPSED / 60 ))m $(( ELAPSED % 60 ))s"
echo -e "${GREEN}══════════════════════════════════════════${NC}"
}
# ── Main ──────────────────────────────────────────────────────────────────────
case "${1:-}" in
clean)
do_clean
;;
rebuild)
do_clean
do_build
;;
""|build)
do_build
;;
-h|--help)
echo "Uso: $0 [clean|rebuild|build]"
echo " (sin argumento) — compila"
echo " clean — limpia artefactos y sale"
echo " rebuild — limpia y recompila"
;;
*)
die "Argumento desconocido: $1. Usa -h para ayuda."
;;
esac