32-bit RISC-V system on chip for iCE40 FPGAs

Graham Edgecombe 08c4451abf Add clock divider		2017-12-07 22:37:58 +00:00
.gitignore	Populate instr_mem with a test assembly program	2017-12-02 18:07:37 +00:00
clk_div.sv	Add clock divider	2017-12-07 22:37:58 +00:00
ice40hx8k-b-evn.pcf	Add serial flash, LED and UART pins	2017-12-01 23:25:06 +00:00
Makefile	Populate instr_mem with a test assembly program	2017-12-02 18:07:37 +00:00
progmem.s	Populate instr_mem with a test assembly program	2017-12-02 18:07:37 +00:00
rv32.sv	Connect lower 8 bits of x31 to the LEDs for debugging	2017-12-02 15:33:45 +00:00
rv32_alu.sv	Fix ALU source multiplexers	2017-12-07 22:37:58 +00:00
rv32_alu_ops.sv	Add include guards	2017-12-01 23:30:33 +00:00
rv32_branch.sv	Add branching support	2017-12-02 15:23:12 +00:00
rv32_branch_ops.sv	Add branching support	2017-12-02 15:23:12 +00:00
rv32_decode.sv	Fix immediate decoding in J-type instructions	2017-12-07 22:37:58 +00:00
rv32_execute.sv	Replace always with always_ff	2017-12-02 18:29:51 +00:00
rv32_fetch.sv	Populate instr_mem with a test assembly program	2017-12-02 18:07:37 +00:00
rv32_mem.sv	Remove read_value_out enable input	2017-12-07 22:37:23 +00:00
rv32_opcodes.sv	Add include guards	2017-12-01 23:30:33 +00:00
rv32_regs.sv	Add include guards	2017-12-01 23:30:33 +00:00
rv32_writeback.sv	Add writeback stage	2017-12-02 11:26:12 +00:00
top.sv	Add clock divider	2017-12-07 22:37:58 +00:00
top.ys	Run abc twice to improve logic density	2017-12-07 22:37:58 +00:00