1 files changed, 78 insertions, 0 deletions
diff --git a/scripts/build/arch/xtensa.sh b/scripts/build/arch/xtensa.sh
new file mode 100644
index 0000000..7e49312
--- /dev/null
+++ b/scripts/build/arch/xtensa.sh
@@ -0,0 +1,78 @@
+# Compute Xtensa-specific values
+
+CT_DoArchTupleValues() {
+    # The architecture part of the tuple:
+    CT_TARGET_ARCH="${CT_ARCH}${CT_ARCH_SUFFIX}"
+    # The system part of the tuple:
+    case "${CT_LIBC}" in
+        *glibc)   CT_TARGET_SYS=gnu;;
+        uClibc)   CT_TARGET_SYS=uclibc;;
+    esac
+}
+
+# This function updates the specified component (binutils, gcc, gdb, etc.)
+# with the processor specific configuration.
+CT_ConfigureXtensa() {
+    local component="${1}"
+    local version="${2}"
+    local custom_overlay="xtensa_${CT_ARCH_XTENSA_CUSTOM_NAME}.tar"
+    local custom_location="${CT_ARCH_XTENSA_CUSTOM_OVERLAY_LOCATION}"
+
+    if [ -z "${CT_ARCH_XTENSA_CUSTOM_NAME}" ]; then
+        custom_overlay="xtensa-overlay.tar"
+    fi
+
+    if [ -n "${CT_CUSTOM_LOCATION_ROOT_DIR}" \
+         -a -z "${custom_location}" ]; then
+             custom_location="${CT_CUSTOM_LOCATION_ROOT_DIR}"
+    fi
+
+    CT_TestAndAbort "${custom_overlay}: CT_CUSTOM_LOCATION_ROOT_DIR or CT_ARCH_XTENSA_CUSTOM_OVERLAY_LOCATION must be set." \
+        -z "${CT_CUSTOM_LOCATION_ROOT_DIR}" -a -z "${custom_location}"
+
+    local full_file="${custom_location}/${custom_overlay}"
+    local basename="${component}-${version}"
+    local ext
+
+    ext=${full_file/*./.}
+
+    if [ -z "${ext}" ] ; then
+        CT_DoLog WARN "'${full_file}' not found"
+        return 1
+    fi
+
+    if [ -e "${CT_SRC_DIR}/.${basename}.configuring" ]; then
+        CT_DoLog ERROR "The '${basename}' source were partially configured."
+        CT_DoLog ERROR "Please remove first:"
+        CT_DoLog ERROR " - the source dir for '${basename}', in '${CT_SRC_DIR}'"
+        CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.extracted'"
+        CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.patch'"
+        CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.configuring'"
+        CT_Abort
+    fi
+
+    CT_DoLog EXTRA "Using '${custom_overlay}' from ${custom_location}"
+    CT_DoExecLog DEBUG ln -sf "${custom_location}/${custom_overlay}" \
+                              "${CT_TARBALLS_DIR}/${custom_overlay}"
+
+    CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.configuring"
+
+    CT_Pushd "${CT_SRC_DIR}/${basename}"
+
+    tar_opts=( "--strip-components=1" )
+    tar_opts+=( "-xv" )
+
+    case "${ext}" in
+        .tar)           CT_DoExecLog FILE tar "${tar_opts[@]}" -f "${full_file}" "${component}";;
+        .gz|.tgz)       gzip -dc "${full_file}" | CT_DoExecLog FILE tar "${tar_opts[@]}" -f - "${component}";;
+        .bz2)           bzip2 -dc "${full_file}" | CT_DoExecLog FILE tar "${tar_opts[@]}" -f - "${component}";;
+        *)              CT_DoLog WARN "Don't know how to handle '${basename}${ext}': unknown extension"
+                        return 1
+                        ;;
+    esac
+
+    CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.configured"
+    CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/.${basename}.configuring"
+
+    CT_Popd
+}