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848 or1200: l.lws support

Using the l.lws instruction doesn't work currently.
It simply skips the instruction. No exception or reaction.
The patch attached simply duplicates the behaviour of
l.lwz for l.lws.

Patch by: Jeppe Græsdal Johansen <jjohan07@student.aau.dk>
stekern 4251d 04h /openrisc/trunk/orpsocv2/
815 OR1200 debug unit: prevent deadlock when trap instruction stalls

As per mailing list post <20120925160925.5725e06f@latmask.vernier.se>,
the debug unit could deadlock with the instruction decoder if the trap
instruction is held back by a pipeline stall. This change prevents that.

The problem can be reproduced by placing a breakpoint at an unfavorable
position with instruction cache enabled. In our test, this occurred
with or1200-cbasic when placing a breakpoint at test_bss using gdb, but
this is dependent on such factors as cache parameters and compilation
result.
yannv 4271d 22h /openrisc/trunk/orpsocv2/
814 orpsoc/or1200: Set correct PC after reset when parameter boot_adr is used

Signed-off-by: Olof Kindgren <olof@opencores.org>
Acked-by: Julius Baxter <juliusbaxter@gmail.com>
olof 4286d 15h /openrisc/trunk/orpsocv2/
807 ORPSoC: Commit for bug 85 - add DSX support to OR1200.

http://bugzilla.opencores.org/bugzilla4/show_bug.cgi?id=85

Also added software tests, and added these tests to default regression test list
julius 4402d 08h /openrisc/trunk/orpsocv2/
805 ORPSoC: Fix for bug 90 - EPCR on range exception bug

http://bugzilla.opencores.org/bugzilla4/show_bug.cgi?id=90
julius 4402d 09h /openrisc/trunk/orpsocv2/
803 ORPSoC: Fix for bug 91, l.sub not setting overflow flag correctly

http://bugzilla.opencores.org/bugzilla4/show_bug.cgi?id=91
julius 4402d 09h /openrisc/trunk/orpsocv2/
801 ORPSoC: Fix bug 88

http://bugzilla.opencores.org/bugzilla4/show_bug.cgi?id=88
julius 4407d 14h /openrisc/trunk/orpsocv2/
794 ORPSoC, or1200: split out or1200_fpu_intfloat_conv_except module into own file

Fixes lint warnings.
julius 4441d 00h /openrisc/trunk/orpsocv2/
789 ORPSoC: Patch from R Diez to make RTL sim report l.nops have equivalent formatting to those from or1ksim

Signed-off-by: R Diez <rdiezmail-openrisc@yahoo.de>
Acked-by: Julius Baxter <juliusbaxter@gmail.com>
julius 4465d 13h /openrisc/trunk/orpsocv2/
788 or1200: Patch from R Diez to remove l.cust5 signal from a sensitivty list when it's not defined.

Signed-off-by: R Diez <rdiezmail-openrisc@yahoo.de>
Acked-by: Julius Baxter <juliusbaxter@gmail.com>
julius 4465d 14h /openrisc/trunk/orpsocv2/
679 Allow setting the boot address as an external
parameter. If no parameter is used, the value
from OR1200_BOOT_ADR will be used

Signed-off-by: Olof Kindgren <olof@opencores.org>
Acked-by: Julius Baxter <juliusbaxter@gmail.com>
olof 4489d 14h /openrisc/trunk/orpsocv2/
677 atlys: add 2-clock synchronizer chain for ddr2_calib_done

The signal ddr2_calib_done signal comes from the ddr2 clock domain,
while wb_req is treating it as if it came from wb_clk domain. As a
result the timing analysis tool assumed a worst case scenario of 5ns
between the two domains and the results were miserable.

While we can argue that this is a multi-cycle path, the fact is that
ddr2_calib_done feeds into multiple logic sinks and can potentially
cause meta-stability issue in the design. The solution is to add a
2-clock meta-stability filter to address both the timing problems and
the meta-stability concern.

Signed-off-by: Jason Zheng <jxzheng@gmail.com>
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Acked-by: Olof Kindgren <olof.kindgren@orsoc.se>
stekern 4497d 16h /openrisc/trunk/orpsocv2/
673 Multiple 64-bit fixes (mostly sign and size of constants). Fix bug #1. yannv 4564d 18h /openrisc/trunk/orpsocv2/
672 ORPSoC: Fix Bug 76 - Incorrect unsigned integer less-than compare with COMP3 option enabled

OR1200 RTL fix and software test added.
julius 4568d 09h /openrisc/trunk/orpsocv2/
671 ORPSoC: Fix for Bug 75 - or1200-except and or1200-ticksyscall regression tests failing due to change in memory model julius 4568d 10h /openrisc/trunk/orpsocv2/
662 minor corrections to clean simulation files paknick 4594d 14h /openrisc/trunk/orpsocv2/
661 added makefile for icarus simulation paknick 4594d 15h /openrisc/trunk/orpsocv2/
660 updated makefiles for simulation with altera ordb2a-ep4ce22 paknick 4594d 17h /openrisc/trunk/orpsocv2/
656 orpsoc: cfi_ctrl software driver fix to allow compilation when it's not used julius 4619d 11h /openrisc/trunk/orpsocv2/
655 ORPSoC: add CFI flash controller to ml501, sw driver, tests, app, documentation julius 4619d 11h /openrisc/trunk/orpsocv2/
652 Fix make compile.tcl for actel backend yannv 4627d 18h /openrisc/trunk/orpsocv2/
651 ORPSoC: The ability to use a free/gimped version of Modelsim was restricted to
the reference build's scripts. This patch adds support for it to the
scripts for the board builds as well.

Signed-off-by: Julius Baxter <julius at opencores.org>
acked-by: Stefan Kristiansson <stefan.kristiansson at saunalahti.fi>
julius 4632d 13h /openrisc/trunk/orpsocv2/
650 ORPSoC: documentation update to fix explanation of Xilinx environment setup, add section for Atlys board, various cleanups julius 4633d 11h /openrisc/trunk/orpsocv2/
638 orpsoc: xilinx: use XILINX env variable

instead of rely on custom environment variables,
use the XILINX variable and instruct the user how to
source the scripts that set it.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4674d 05h /openrisc/trunk/orpsocv2/
634 orpsoc: atlys: autoregenerate coregen cores

Instead of keeping binary .ngc files of the coregen
generated cores, use coregen to generate them from the .xco
and .cgp file
stekern 4679d 04h /openrisc/trunk/orpsocv2/
633 orpsoc: add Digilent Atlys spartan6 board README

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4679d 04h /openrisc/trunk/orpsocv2/
632 orpsoc: add Digilent Atlys spartan6 board sw include file

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4679d 04h /openrisc/trunk/orpsocv2/
631 orpsoc: add Digilent Atlys spartan6 board testbench

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4679d 04h /openrisc/trunk/orpsocv2/
630 orpsoc: add Digilent Atlys spartan6 board backend

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4679d 04h /openrisc/trunk/orpsocv2/
629 orpsoc: add Digilent Atlys spartan6 board or1ksim configuration

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
stekern 4679d 04h /openrisc/trunk/orpsocv2/

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