| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package pkg |
| |
| import ( |
| "runtime" |
| "strings" |
| |
| "mynewt.apache.org/newt/newt/flash" |
| "mynewt.apache.org/newt/newt/interfaces" |
| "mynewt.apache.org/newt/newt/newtutil" |
| "mynewt.apache.org/newt/newt/ycfg" |
| "mynewt.apache.org/newt/util" |
| ) |
| |
| const BSP_YAML_FILENAME = "bsp.yml" |
| |
| type BspPackage struct { |
| *LocalPackage |
| CompilerName string |
| Arch string |
| LinkerScripts []string |
| Part2LinkerScripts []string /* scripts to link app to second partition */ |
| DownloadScript string |
| DebugScript string |
| FlashMap flash.FlashMap |
| BspV ycfg.YCfg |
| } |
| |
| func (bsp *BspPackage) resolvePathSetting( |
| settings map[string]string, key string) (string, error) { |
| |
| proj := interfaces.GetProject() |
| |
| val := bsp.BspV.GetValString(key, settings) |
| if val == "" { |
| return "", nil |
| } |
| path, err := proj.ResolvePath(bsp.Repo().Path(), val) |
| if err != nil { |
| return "", util.PreNewtError(err, |
| "BSP \"%s\" specifies invalid %s setting", |
| bsp.Name(), key) |
| } |
| return path, nil |
| } |
| |
| // Interprets a setting as either a single linker script or a list of linker |
| // scripts. |
| func (bsp *BspPackage) resolveLinkerScriptSetting( |
| settings map[string]string, key string) ([]string, error) { |
| |
| paths := []string{} |
| |
| // Assume config file specifies a list of scripts. |
| vals := bsp.BspV.GetValStringSlice(key, settings) |
| if vals == nil { |
| // Couldn't read a list of scripts; try to interpret setting as a |
| // single script. |
| path, err := bsp.resolvePathSetting(settings, key) |
| if err != nil { |
| return nil, err |
| } |
| |
| if path != "" { |
| paths = append(paths, path) |
| } |
| } else { |
| proj := interfaces.GetProject() |
| |
| // Read each linker script from the list. |
| for _, val := range vals { |
| path, err := proj.ResolvePath(bsp.Repo().Path(), val) |
| if err != nil { |
| return nil, util.PreNewtError(err, |
| "BSP \"%s\" specifies invalid %s setting", |
| bsp.Name(), key) |
| } |
| |
| if path != "" { |
| paths = append(paths, path) |
| } |
| } |
| } |
| |
| return paths, nil |
| } |
| |
| func (bsp *BspPackage) Reload(settings map[string]string) error { |
| var err error |
| |
| if settings == nil { |
| settings = map[string]string{} |
| } |
| settings[strings.ToUpper(runtime.GOOS)] = "1" |
| |
| bsp.BspV, err = newtutil.ReadConfig(bsp.BasePath(), |
| strings.TrimSuffix(BSP_YAML_FILENAME, ".yml")) |
| if err != nil { |
| return err |
| } |
| bsp.AddCfgFilename(bsp.BasePath() + BSP_YAML_FILENAME) |
| |
| bsp.CompilerName = bsp.BspV.GetValString("bsp.compiler", settings) |
| bsp.Arch = bsp.BspV.GetValString("bsp.arch", settings) |
| |
| bsp.LinkerScripts, err = bsp.resolveLinkerScriptSetting( |
| settings, "bsp.linkerscript") |
| if err != nil { |
| return err |
| } |
| |
| bsp.Part2LinkerScripts, err = bsp.resolveLinkerScriptSetting( |
| settings, "bsp.part2linkerscript") |
| if err != nil { |
| return err |
| } |
| |
| bsp.DownloadScript, err = bsp.resolvePathSetting( |
| settings, "bsp.downloadscript") |
| if err != nil { |
| return err |
| } |
| bsp.DebugScript, err = bsp.resolvePathSetting( |
| settings, "bsp.debugscript") |
| if err != nil { |
| return err |
| } |
| |
| if bsp.CompilerName == "" { |
| return util.NewNewtError("BSP does not specify a compiler " + |
| "(bsp.compiler)") |
| } |
| if bsp.Arch == "" { |
| return util.NewNewtError("BSP does not specify an architecture " + |
| "(bsp.arch)") |
| } |
| |
| ymlFlashMap := bsp.BspV.GetValStringMap("bsp.flash_map", settings) |
| if ymlFlashMap == nil { |
| return util.NewNewtError("BSP does not specify a flash map " + |
| "(bsp.flash_map)") |
| } |
| bsp.FlashMap, err = flash.Read(ymlFlashMap) |
| if err != nil { |
| return err |
| } |
| |
| return nil |
| } |
| |
| func NewBspPackage(lpkg *LocalPackage) (*BspPackage, error) { |
| bsp := &BspPackage{ |
| CompilerName: "", |
| DownloadScript: "", |
| DebugScript: "", |
| BspV: ycfg.YCfg{}, |
| } |
| lpkg.Load() |
| bsp.LocalPackage = lpkg |
| err := bsp.Reload(nil) |
| |
| return bsp, err |
| } |