octagon

Octagon is a largely MIPS compatible soft-core for fpga's. It it optimized for Xilinx LUT-6 architectures and uses a memory interface similar to MiG generated cores. Required compiler flags are detailed in the code subdirectory.

Processor is an 8 thread barrel processor. Supporting 1 interrupt mask per thread which can be used by a GIC implemented on the wishbone controller.

Top module of processor is octagon.vhd

Name		Name	Last commit message	Last commit date
Latest commit History 65 Commits
code		code
README.md		README.md
alu1.vhd		alu1.vhd
alu2.vhd		alu2.vhd
d_fetch.vhd		d_fetch.vhd
dc_fetch.vhd		dc_fetch.vhd
dc_fifo.vhd		dc_fifo.vhd
dc_mem.vhd		dc_mem.vhd
dc_mux.vhd		dc_mux.vhd
dcmd_fifo.vhd		dcmd_fifo.vhd
dcontrol.vhd		dcontrol.vhd
decode.vhd		decode.vhd
dlookahead.vhd		dlookahead.vhd
dtag_fetch.vhd		dtag_fetch.vhd
i_fetch.vhd		i_fetch.vhd
ic_fetch.vhd		ic_fetch.vhd
ic_fifo.vhd		ic_fifo.vhd
ic_mux.vhd		ic_mux.vhd
icmd_fifo.vhd		icmd_fifo.vhd
icontrol.vhd		icontrol.vhd
ilookahead.vhd		ilookahead.vhd
iodrp_controller.vhd		iodrp_controller.vhd
iodrp_mcb_controller.vhd		iodrp_mcb_controller.vhd
jump.vhd		jump.vhd
l_mux.vhd		l_mux.vhd
mcb.vhd		mcb.vhd
mcb_raw_wrapper.vhd		mcb_raw_wrapper.vhd
mcb_soft_calibration.vhd		mcb_soft_calibration.vhd
mcb_soft_calibration_top.vhd		mcb_soft_calibration_top.vhd
memc3_infrastructure.vhd		memc3_infrastructure.vhd
memc3_wrapper.vhd		memc3_wrapper.vhd
octagon.vhd		octagon.vhd
octagon_funcs.vhd		octagon_funcs.vhd
octagon_posttran.vhd		octagon_posttran.vhd
octagon_test.vhd		octagon_test.vhd
octagon_types.vhd		octagon_types.vhd
pc_module.vhd		pc_module.vhd
pc_module_test.vhd		pc_module_test.vhd
r_fetch.vhd		r_fetch.vhd
r_store.vhd		r_store.vhd
store.vhd		store.vhd
tag_fetch.vhd		tag_fetch.vhd
top.vhd		top.vhd
top2.vhd		top2.vhd
wb_master.vhd		wb_master.vhd
wbreader.vhd		wbreader.vhd
xilinx_top.vhd		xilinx_top.vhd

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