VxWorks BSP Developer's Reference : VxWorks BSP Validation Test Suite

ram

NAME

ram - RAM tests

SYNOPSIS

bspVal options ram

DESCRIPTION

This test verifies RAM read operations. See bspVal.sh for an explanation of options.

NOTE:

This reference entry lists the most likely reasons for a test's failure. However, it does not list all possible reasons.

The three tests in this script call pkRead( ) to perform read operations of the RAM locations between LOCAL_MEM_LOCAL_ADRS and sysMemTop( ). The reads are done using 1-, 2-, and 4-byte accesses, depending on which test is being run. If any of these tests fail, but the memory hardware is known to be functioning properly, check that the memory controller is initialized to the correct values. Make sure that LOCAL_MEM_LOCAL_ADRS and LOCAL_MEM_SIZE are set to the correct values. If an MMU is present, it might need to be configured so that the entire RAM space is accessible. Check that sysMemTop( ) returns the correct values.

Barring serious hardware or software limitations (such as an identifiable VxWorks problem), the target board must pass all tests for the BSP to be validated.

CONFIGURATION PARAMETERS

None.

EXAMPLE

Output consists of:

                         BSP VALIDATION TEST
                         -------------------

    Target server                     : t53-160
    BSP                               : mv147
    Log file                          : /tmp/bspValidationLog.5219



    RAM Test :
    1-byte read of RAM                                        : PASS
    2-byte read of RAM                                        : PASS
    4-byte read of RAM                                        : PASS

                      Tests RUN           3
                      Tests PASSED        3
                      Tests FAILED        0
                      Tests SKIPPED       0

SEE ALSO

bspVal.sh, bspPkCommonProc.tcl, pkLib.c