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861 sysc: include unistd.h

write, read, pipe et al are declared in this, newer gcc will
warn on missing declerations, thus making the build to fail
stekern 4182d 05h /openrisc/trunk/
860 or1200_monitor.v: Remove trailing whitespace olof 4186d 10h /openrisc/trunk/
859 Execute trapped instruction after breakpoint is removed

Closes bug #104

When the instruction replaced by a trap instruction is restored by the
debugger, this instruction is not executed.

Proposed solution:

- Checked for a debug unstall condition plus a trap condition in
or1200_du(dbg_stall && |except_stop).

- Then, when this event occur, flush the entire pipeline (in or1200_ctrl) and
set the pc to npc in or1200_genpc(which is equal to the trapped instruction
address).

Signed-off-by: Franck Jullien <crevars at opencores.org>
acked-by: Olof Kindgren <olof at opencores.org>
olof 4186d 12h /openrisc/trunk/
858 orpsoc/tests: Fix or1200-dsxinsn when caches are not present

This test would go into an endless loop when caches are not present.
stekern 4286d 18h /openrisc/trunk/
857 orpsocv2: remove reference to r32 in context save/restore julius 4296d 08h /openrisc/trunk/
856 Fixed rounding of UART divisor skrzyp 4340d 11h /openrisc/trunk/
855 Publish OR1K 1.0 architecture spec julius 4383d 10h /openrisc/trunk/
854 Add OR1200_OR32_LWS define to board specific or1200_defines.v stekern 4393d 03h /openrisc/trunk/
853 Declare pcreg_boot before usage

When things were moved around in rev 813, this error was introduced

Signed-off-by: Olof Kindgren <olof at opencores.org>
acked-by: Julius Baxter <julius at opencores.org>
olof 4418d 12h /openrisc/trunk/
852 Declare pcreg_boot before usage

When things were moved around in rev 813, this error was introduced

Signed-off-by: Olof Kindgren <olof at opencores.org>
acked-by: Julius Baxter <julius at opencores.org>
olof 4418d 12h /openrisc/trunk/
851 changed branch delay flags skrzyp 4421d 12h /openrisc/trunk/
850 or1200_genpc: fix ipcu_cycstb_o generation

In some circumstances the CPU is still waiting for the lsu to finish
while in a pre branch state. However, ipcu_cycstb_o is set and the cycle
starts with the wrong address on the iwb bus (the one before the
branched address).

This fixes this issue.

Patch by: Franck Jullien <franck.jullien@gmail.com>
stekern 4433d 04h /openrisc/trunk/
849 or1200: Fix for cache bug related to first_{hit|miss}_ack

Under certain circumstances, when first_hit_ack and
first_miss_ack is asserted at the same time, cache data
would wrongly be overwritten with bus data.

Patch by: Matthew Hicks <firefalcon@gmail.com>
stekern 4433d 04h /openrisc/trunk/
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 4433d 04h /openrisc/trunk/
847 or1200_genpc: fix ipcu_cycstb_o generation

In some circumstances the CPU is still waiting for the lsu to finish
while in a pre branch state. However, ipcu_cycstb_o is set and the cycle
starts with the wrong address on the iwb bus (the one before the
branched address).

This fixes this issue.

Patch by: Franck Jullien <franck.jullien@gmail.com>
stekern 4433d 04h /openrisc/trunk/
846 or1200: Fix for cache bug related to first_{hit|miss}_ack

Under certain circumstances, when first_hit_ack and
first_miss_ack is asserted at the same time, cache data
would wrongly be overwritten with bus data.

Patch by: Matthew Hicks <firefalcon@gmail.com>
stekern 4433d 04h /openrisc/trunk/
845 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 4433d 04h /openrisc/trunk/
844 skrzyp 4433d 21h /openrisc/trunk/
843 Applied RDiez suggestions skrzyp 4433d 21h /openrisc/trunk/
842 Moving GDB 7.1 into the old collection. jeremybennett 4435d 20h /openrisc/trunk/
841 GDB 7.2 is now considered the stable version. jeremybennett 4435d 20h /openrisc/trunk/
840 Relocate GDB 6.8 to the old directory. jeremybennett 4435d 20h /openrisc/trunk/
839 Forgot about updating linker flags, thanks RDiez! skrzyp 4436d 23h /openrisc/trunk/
838 added branch-delay option and sets r0 to zero skrzyp 4437d 12h /openrisc/trunk/
837 Instructions redirecting users to new directories. jeremybennett 4443d 17h /openrisc/trunk/
836 The old legacy directory, which just a README these days. jeremybennett 4443d 18h /openrisc/trunk/
835 Move current version to stable directory. jeremybennett 4443d 18h /openrisc/trunk/
834 Move current version to stable directory. jeremybennett 4443d 18h /openrisc/trunk/
833 Move current version to stable directory. jeremybennett 4443d 18h /openrisc/trunk/
832 Move current version to stable directory. jeremybennett 4443d 18h /openrisc/trunk/

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