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

Graham Edgecombe b01e81357d Re-use the main adder to implement the LUI, JAL and JALR instructions		2017-12-16 12:45:43 +00:00
.gitignore	Port example program to C	2017-12-15 20:08:55 +00:00
.gitlab-ci.yml	Add yosys-config --datdir workaround	2017-12-15 18:35:26 +00:00
clk_div.sv	Fix compatibility with iverilog	2017-12-09 21:03:45 +00:00
ice40hx8k-b-evn.pcf	Add serial flash, LED and UART pins	2017-12-01 23:25:06 +00:00
Makefile	Add FREQ macro to avoid hard-coding 36 MHz	2017-12-15 20:21:12 +00:00
progmem.c	Add FREQ macro to avoid hard-coding 36 MHz	2017-12-15 20:21:12 +00:00
progmem.lds	Port example program to C	2017-12-15 20:08:55 +00:00
ram.sv	Merge memory bus inputs/outputs in the port list	2017-12-12 21:15:11 +00:00
rv32.sv	Re-use the main adder to implement the LUI, JAL and JALR instructions	2017-12-16 12:45:43 +00:00
rv32_alu.sv	Re-use the main adder to implement the LUI, JAL and JALR instructions	2017-12-16 12:45:43 +00:00
rv32_branch.sv	Rename rv32_branch to rv32_branch_unit	2017-12-12 21:05:02 +00:00
rv32_decode.sv	Re-use the main adder to implement the LUI, JAL and JALR instructions	2017-12-16 12:45:43 +00:00
rv32_execute.sv	Re-use the main adder to implement the LUI, JAL and JALR instructions	2017-12-16 12:45:43 +00:00
rv32_fetch.sv	Fix compatibility with iverilog	2017-12-09 21:03:45 +00:00
rv32_hazard.sv	Rename rv32_hazard to rv32_hazard_unit	2017-12-12 21:04:33 +00:00
rv32_mem.sv	Rename rv32_branch to rv32_branch_unit	2017-12-12 21:05:02 +00:00
rv32_opcodes.sv	Add MRET and WFI instruction encoding	2017-12-14 23:46:18 +00:00
rv32_regs.sv	Fix compatibility with iverilog	2017-12-09 21:03:45 +00:00
start.s	Port example program to C	2017-12-15 20:08:55 +00:00
sync.sv	Fix compatibility with iverilog	2017-12-09 21:03:45 +00:00
top.sv	Remove unused clk_div.sv include	2017-12-16 11:32:32 +00:00
top.ys	Pass -full to opt	2017-12-08 22:29:22 +00:00
uart.sv	Merge memory bus inputs/outputs in the port list	2017-12-12 21:15:11 +00:00