README.sdt.mc.build.md: Add SDT MC build instructions

Add SDT Multiconfig baremetal or FreeRTOS build instructions.

Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-raju@amd.com>
Signed-off-by: Mark Hatle <mark.hatle@amd.com>

1 files changed, 40 insertions, 0 deletions

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+# AMD SDT Multiconfig Build Instructions
+
+This readme describes how to build multiconfig baremetal baremetal or freertos
+applications. Once the applications are built it can be package and deploy baremetal
+or freertos application elf or bin files to linux root filesystem under /lib/firmware
+directory.
+
+## How to configure and build multiconfig baremetal or freertos applications
+
+1. Follow [SDT Building Instructions](README.sdt.bsp.md) upto step 3.
+
+2. By default minimal set of multiconfigs are generated by gen-machineconf tool.
+   To build multiconfig(APU/RPU baremetal or FreeRTOS) use `--multiconfigfull`
+   option to enable full multiconfig(avaiable all APU/RPU cores).
+> **Note:**
+> 1. To enable multiconfigs for selected APU/PRU cores then use `--meunuconfig`
+>    options from gen-machineconf tool to generate the Kconfig menu and go to
+>    `Multiconfig Targets` to make the selection.
+> 2. Example usage:
+> ```   
+> $ gen-machineconf parse-sdt --hw-description <path_to_sdtgen_output_directory> -c <conf-directory> -l <path-to-build-directory>/build/conf/local.conf --machine-name <soc-family>-<board-name>-sdt-<design-name> --multiconfig --menuconfig
+> ```
+
+3. Run following command to build multiconfig baremetal baremetal or freertos applications.
+> **Note:** See [recipes-applications](./recipes-applications/) directory for
+> list of available multiconfig applications.
+
+* Usage:
+```
+$ bitbake mc:<soc-family>-<board-name>-sdt-<design-name>-<apu-or-rpu>-<cpu-core-number>-<baremetal-or-freertos>:<application-recipe-name>
+```
+* Example:
+```
+$ bitbake mc:versal-vek280-sdt-cortexr5-0-freertos:freertos-hello-world
+```
+
+4. Follow [Firware Packaging Instructions](../docs/README.fw.package.md) if you
+   need to package the multiconfig applications to linux rootfs or Follow
+   [SDT Building Instructions](README.sdt.bsp.md) and continue from step 5 to build
+   target images.