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                              Or1ksim Test Suite
                              ==================

This is the Or1ksim test suite, which is now integrated with the main Or1ksim
development package. It operates using a standard DejaGNU framework within the
GNU autoconf/automake/libtool structure.

A separate configuration file is needed for the test suite, since it uses the
OR1K tool chain, rather than the host tool chain.

At the time of writing a total of 21 tests compile run and pass.

Configuration and make files are provided for further test programs. These
come in three categories.
- Tests which compile correctly, but will not run to completion.
- Tests which compile, but will not run at all.
- Tests which will not compile correctly.

File Organization
=================

Each test program has its own directory under test-code. This builds the test
program. If necessary it copies data files to the main build/testsuite
directory.

Each test then has a DejaGNU expect script in or1ksim.tests, which loads and
runs the test. Support script procedures are in lib/or1ksim.exp.

Libraries
=========

Within the test-code there are several libraries:

support:    A minimal C library.
except:     Exception handling and startup code.
mc-common:  A library to support the memory controller tests.

Working tests
=============

A total of 21 tests:

basic:        A test or a wide range of instructions and registers.
cache:        A test of the Or1ksim cache modeling
cbasic:       A minimal test in C
cfg:          A test of the OR1K configuration register
dhry:         Dhrystone 2.1 benchmark using Or1ksim's timing facility.
dmatest:      A test of DMA.
eth:          A test of the Ethernet interface.
except-test:  A test of OR1K exception handling
exit:         A test that C program exits correctly
ext:          A test of the sign extension (l.ext) instructions.
fbtest:       A test of the frame buffer.
functest:     A test of the C function calling interface.
flag:         A test of Supervision Register (SR) flag bits.
int-test:     A test of the programmable interrupt controller.
kbdtest:      A test of the PS2 keyboard interface.
local-global: A test of C local and global variables.
mem-test:     A simple memory test.
mmu:          A test of the MMU.
mul:          A test of the multiply functionality.
mycompress:   A compression program.
tick:         A test of the OR1K tick timer.

Tests which build, but do not run to completion
===============================================

The following tests rely on VAPI in Or1ksim, so need a client to provide test
data over TCP/IP.

acv-gpio:  a test of the GPIO.
acv-uart:  a test of the UART

Tests which build, but do not run at all
========================================

These tests (which are built by the make file), do not appear to run at
all. The problem is in the linker script and/or the configuration for Or1ksim.

mc-async:  a test of the memory controller with asynchronous memory.
mc-dram:   a test of the memory controller with DRAM.
mc-ssram:  a test of the memory controller with SSRAM.
mc-sync:   a test of the memory controller with synchronous memory.
uOS:       a microKernel.

Tests which do not build
========================

The following test builds with a myriad of warnings.

inst-set-test:  a comprehensive test of the instruction set using C.


Upated by Jeremy Bennett (jeremy@jeremybennett.com)
19 April 2010

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