diff options
Diffstat (limited to 'documentation/getting-started/getting-started-yp-intro.xml')
-rw-r--r-- | documentation/getting-started/getting-started-yp-intro.xml | 75 |
1 files changed, 71 insertions, 4 deletions
diff --git a/documentation/getting-started/getting-started-yp-intro.xml b/documentation/getting-started/getting-started-yp-intro.xml index 964a500ad4..caabb13c10 100644 --- a/documentation/getting-started/getting-started-yp-intro.xml +++ b/documentation/getting-started/getting-started-yp-intro.xml | |||
@@ -72,7 +72,11 @@ | |||
72 | Most ODMs, OSVs, and chip vendors create and supply | 72 | Most ODMs, OSVs, and chip vendors create and supply |
73 | BSPs that support their hardware. | 73 | BSPs that support their hardware. |
74 | If you have custom silicon, you can create a BSP | 74 | If you have custom silicon, you can create a BSP |
75 | that supports that architecture. | 75 | that supports that architecture.</para> |
76 | |||
77 | <para>Aside from lots of architecture support, the | ||
78 | Yocto Project fully supports a wide range of device | ||
79 | emulation through the Quick EMUlator (QEMU). | ||
76 | </para></listitem> | 80 | </para></listitem> |
77 | <listitem><para> | 81 | <listitem><para> |
78 | <emphasis>Images and Code Transfer Easily:</emphasis> | 82 | <emphasis>Images and Code Transfer Easily:</emphasis> |
@@ -104,6 +108,13 @@ | |||
104 | embedded devices. | 108 | embedded devices. |
105 | You only add the feature support or packages that you | 109 | You only add the feature support or packages that you |
106 | absolutely need for the device. | 110 | absolutely need for the device. |
111 | For devices that have display hardware, you can use | ||
112 | available system components such as X11, GTK+, Qt, | ||
113 | Clutter, and SDL (among others) to create a rich user | ||
114 | experience. | ||
115 | For devices that do not have a display or where you | ||
116 | want to use alternative UI frameworks, you can choose | ||
117 | to not install these components. | ||
107 | </para></listitem> | 118 | </para></listitem> |
108 | <listitem><para> | 119 | <listitem><para> |
109 | <emphasis>Comprehensive Toolchain Capabilities:</emphasis> | 120 | <emphasis>Comprehensive Toolchain Capabilities:</emphasis> |
@@ -130,7 +141,9 @@ | |||
130 | You can incrementally add these grouped functionalities | 141 | You can incrementally add these grouped functionalities |
131 | to your project as needed. | 142 | to your project as needed. |
132 | Using layers to isolate and group functionality | 143 | Using layers to isolate and group functionality |
133 | reduces project complexity and redundancy. | 144 | reduces project complexity and redundancy, allows you |
145 | to easily extend the system, make customizations, | ||
146 | and keep functionality organized. | ||
134 | </para></listitem> | 147 | </para></listitem> |
135 | <listitem><para> | 148 | <listitem><para> |
136 | <emphasis>Supports Partial Builds:</emphasis> | 149 | <emphasis>Supports Partial Builds:</emphasis> |
@@ -736,6 +749,9 @@ | |||
736 | It is a working example of how to build your own custom | 749 | It is a working example of how to build your own custom |
737 | Linux distribution from source. | 750 | Linux distribution from source. |
738 | </note> | 751 | </note> |
752 | You can read more about Poky in the | ||
753 | "<link linkend='reference-embedded-distribution'>Reference Embedded Distribution (Poky)</link>" | ||
754 | section. | ||
739 | </para> | 755 | </para> |
740 | </section> | 756 | </section> |
741 | 757 | ||
@@ -1071,9 +1087,60 @@ | |||
1071 | </para> | 1087 | </para> |
1072 | </section> | 1088 | </section> |
1073 | 1089 | ||
1074 | <section id='the-yocto-project-workflow'> | 1090 | <section id='openembedded-build-system-workflow'> |
1075 | <title>The Yocto Project Workflow</title> | 1091 | <title>The OpenEmbedded Build System Workflow</title> |
1092 | |||
1093 | <para> | ||
1094 | The OpenEmbedded build system uses a "workflow" to accomplish | ||
1095 | image and SDK generation. | ||
1096 | The following figure overviews that workflow: | ||
1097 | <imagedata fileref="figures/YP-flow-diagram.png" | ||
1098 | format="PNG" align='center' width="8in"/> | ||
1099 | Following is a brief summary of the "workflow": | ||
1100 | <orderedlist> | ||
1101 | <listitem><para> | ||
1102 | Developers specify architecture, policies, patches and | ||
1103 | configuration details. | ||
1104 | </para></listitem> | ||
1105 | <listitem><para> | ||
1106 | The build system fetches and downloads the source code | ||
1107 | from the specified location. | ||
1108 | The build system supports standard methods such as tarballs | ||
1109 | or source code repositories systems such as Git. | ||
1110 | </para></listitem> | ||
1111 | <listitem><para> | ||
1112 | Once downloaded, the build system extracts the sources | ||
1113 | into a local work area where patches are applied and | ||
1114 | common steps for configuring and compiling the software | ||
1115 | are run. | ||
1116 | </para></listitem> | ||
1117 | <listitem><para> | ||
1118 | The build system then installs the software into a | ||
1119 | temporary staging area where the binary package format you | ||
1120 | select (DEB, RPM, or IPK) is used to roll up the software. | ||
1121 | </para></listitem> | ||
1122 | <listitem><para> | ||
1123 | Different QA and sanity checks run throughout entire | ||
1124 | build process. | ||
1125 | </para></listitem> | ||
1126 | <listitem><para> | ||
1127 | After the binaries are created, the build system | ||
1128 | generates a binary package feed that is used to create | ||
1129 | the final root file image. | ||
1130 | </para></listitem> | ||
1131 | <listitem><para> | ||
1132 | The build system generates the file system image and a | ||
1133 | customized Extensible SDK (eSDSK) for application | ||
1134 | development in parallel. | ||
1135 | </para></listitem> | ||
1136 | </orderedlist> | ||
1137 | </para> | ||
1076 | 1138 | ||
1139 | <para> | ||
1140 | For a very detailed look at this workflow, see the | ||
1141 | "<ulink url='&YOCTO_DOCS_CM_URL;#development-concepts'>Development Concepts</ulink>" | ||
1142 | section in the Yocto Project Concepts Manual. | ||
1143 | </para> | ||
1077 | </section> | 1144 | </section> |
1078 | 1145 | ||
1079 | 1146 | ||