[PATCH v2] softusb: interrrupt support for navre

Signed-off-by: Michael Walle <michael@...>
---

Changes:
v2:
 - fix indentation
 - add defaults for PC_ex and next_irq_ack to avoid inferring latches

 cores/softusb/navre_regress/tb_regress.v           |    2 +
 .../navre_regress/test_opcodes/test_BCLR.py        |    2 +-
 .../softusb/navre_regress/test_opcodes/test_BST.py |    2 +-
 .../navre_regress/test_opcodes/test_RETI.py        |    2 +-
 cores/softusb/rtl/softusb.v                        |    2 +
 cores/softusb/rtl/softusb_navre.v                  |  417 +++++++++++++-------
 cores/softusb/test/tb_navre.v                      |    2 +
 7 files changed, 279 insertions(+), 150 deletions(-)

diff --git a/cores/softusb/navre_regress/tb_regress.v b/cores/softusb/navre_regress/tb_regress.v
index 76c68ed..d00866b 100644
--- a/cores/softusb/navre_regress/tb_regress.v
+++ b/cores/softusb/navre_regress/tb_regress.v
 <at>  <at>  -99,6 +99,8  <at>  <at>  softusb_navre #(
 	.io_do(io_do),
 	.io_di(io_di),

+	.irq(8'b0),
+
 	.dbg_pc()
 );