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zephyr/tests/arch/arm/arm_ramfunc
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Torsten Rasmussen 407b49b35c cmake: use find_package to locate Zephyr 
Using find_package to locate Zephyr.

Old behavior was to use $ENV{ZEPHYR_BASE} for inclusion of boiler plate
code.

Whenever an automatic run of CMake happend by the build system / IDE
then it was required that ZEPHYR_BASE was defined.
Using ZEPHYR_BASE only to locate the Zephyr package allows CMake to
cache the base variable and thus allowing subsequent invocation even
if ZEPHYR_BASE is not set in the environment.

It also removes the risk of strange build results if a user switchs
between different Zephyr based project folders and forgetting to reset
ZEPHYR_BASE before running ninja / make.

Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
 		2020-03-27 16:23:46 +01:00
..
src kernel: rename z_arch_ to arch_ 2019-11-07 15:21:46 -08:00
CMakeLists.txt cmake: use find_package to locate Zephyr 2020-03-27 16:23:46 +01:00
README.txt tests: kernel: move arm-specific kernel tests under tests/arch/arm 2019-07-09 09:53:44 -07:00
prj.conf tests: kernel: replace CONFIG_USERSPACE with CONFIG_TEST_USERSPACE 2019-09-03 16:44:22 +02:00
testcase.yaml tests: fix test identifiers 2019-12-09 15:53:44 -05:00

README.txt 

Title: Test to verify code execution from SRAM for XIP images (ARM Only)

Description:

This test verifies that we can define functions in SRAM (and
sucessfully execute them from SRAM) in ARM XIP images. It
also verifies that the .ramfunc section is accessible by
nPRIV code when building with support for user mode
(CONFIG_USERSPACE=y). Only for ARM Cortex-M targets.

---------------------------------------------------------------------------

Building and Running Project:

This project outputs to the console.  It can be built and executed on QEMU as
follows:

    ninja/make run

---------------------------------------------------------------------------

Troubleshooting:

Problems caused by out-dated project information can be addressed by
issuing one of the following commands then rebuilding the project:

    ninja/make clean    # discard results of previous builds
                        # but keep existing configuration info
or
    ninja/make pristine # discard results of previous builds
                        # and restore pre-defined configuration info

---------------------------------------------------------------------------

Sample Output:

***** Booting Zephyr OS build zephyr-v1.14.0-1726-gb95a71960622 *****
Running test suite arm_ramfunc
===================================================================
starting test - test_arm_ramfunc
PASS - test_arm_ramfunc
===================================================================
Test suite arm_ramfunc succeeded
===================================================================
PROJECT EXECUTION SUCCESSFUL