| Line 1... |
Line 1... |
Or1ksim: The OpenRISC 1000 Architectural Simulator
|
Or1ksim: The OpenRISC 1000 Architectural Simulator
|
==================================================
|
==================================================
|
|
|
|
|
New in top of tree
|
New in release 0.5.0rc1
|
==================
|
=======================
|
|
|
|
The floating point implementation is now based on John Hauser's "softfloat"
|
|
package, ensuring rigorous compliance with the IEEE 754-2008 standard.
|
|
|
The library interface is extended to allow registers and memory to be written
|
The library interface is extended to allow registers and memory to be written
|
directly. This is to allow direct integration as a simulator in GDB.
|
directly and processor stalled and unstalled. This is to allow direct
|
|
integration as a simulator in GDB.
|
|
|
|
Some of the existing library interface functions have different prototypes.
|
|
|
The "include" feature of configuration files (which never worked, but no one
|
The "include" feature of configuration files (which never worked, but no one
|
ever noticed) is dropped.
|
ever noticed) is dropped.
|
|
|
If the configuration file is not found in the local directory, it is searched
|
If the configuration file is not found in the local directory, it is searched
|
for in the ${HOME}/.or1ksim directory, then (for backwards compatibility) the
|
for in the ${HOME}/.or1ksim directory, then (for backwards compatibility) the
|
${HOME}/.or1k directory.
|
${HOME}/.or1k directory.
|
|
|
There is an option to collect statistics on instruction execution in binary
|
If no simulation file is specified, then sim.cfg is not searched for as a
|
form.
|
default.
|
|
|
|
New options are added -q|--quiet, -V|--verbose, -m|--memory and
|
|
--report-memory-errors. The semantics of --nosrv and --src otpions are changed.
|
|
|
|
There is a configuration option to collect statistics on instruction execution
|
|
in binary form.
|
|
|
|
In previous versions, Bus exceptions were unique in that they produced an
|
|
error message on standard output. The default is now for this exception to be
|
|
handled silently, unless requested by --report-memory-errors.
|
|
|
|
The following feature requests have been accepted.
|
|
* Feature 393: Integrate Or1ksim in GDB.
|
|
|
|
The following feature requests have been rejected.
|
|
|
The following bugs are fixed.
|
The following bugs are fixed.
|
* Bug 1797: Or1ksim does not compile with GCC 3.4.4 under Cygwin
|
* Bug 1821: Reference configuration file has defective debug section.
|
* Bug 1795: GDB breakpoints do not work with Icache enabled.
|
* Bug 1817: Reference configuration file missing from distribution.
|
|
* Bug 1795: GDB breakpoints do not work with the instruction cache.
|
|
|
|
The following bugs are either cannot be reproduced or will not be fixed.
|
|
|
|
The following bugs are outstanding
|
|
* Bug 1824: Memory controller issue (probably the same as Bug 1758).
|
|
* Bug 1823: Configuration file error line numbers are wrong.
|
|
* Bug 1822: ATA section in configuration file is broken.
|
|
* Bug 1816: Error message when target not set is obscure.
|
|
* Bug 1813: "make check" fails before installation.
|
|
* Bug 1758: Memory controller issues. Workaround in the user guide.
|
|
|
|
|
New in release 0.4.0
|
New in release 0.4.0
|
====================
|
====================
|
|
|
No new features or bugs. This is the full release based on 0.4.0rc2.
|
No new features or bugs. This is the full release based on 0.4.0rc2.
|
