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| author | Steffen Vogel <post@steffenvogel.de> | 2019-02-12 00:13:33 +0100 |
|---|---|---|
| committer | Steffen Vogel <post@steffenvogel.de> | 2019-02-12 00:13:33 +0100 |
| commit | 3710a86b81e4e8e5426c2941e9edf1d40f686370 (patch) | |
| tree | fca778492a521f01e0a9efd6441fe3725c430789 | |
| parent | eb64df6c3e5184ee982bb57c8828b80c798ce1b6 (diff) | |
| download | picorv32-3710a86b81e4e8e5426c2941e9edf1d40f686370.tar.gz picorv32-3710a86b81e4e8e5426c2941e9edf1d40f686370.zip | |
icebreaker: artificially limit available RAM to speed-up simulation
| -rw-r--r-- | picosoc/icebreaker.v | 4 | ||||
| -rw-r--r-- | picosoc/icebreaker_tb.v | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/picosoc/icebreaker.v b/picosoc/icebreaker.v index 00da2d7..342f346 100644 --- a/picosoc/icebreaker.v +++ b/picosoc/icebreaker.v @@ -45,6 +45,8 @@ module icebreaker ( inout flash_io2, inout flash_io3 ); + parameter integer MEM_WORDS = 32768; + reg [5:0] reset_cnt = 0; wire resetn = &reset_cnt; @@ -107,7 +109,7 @@ module icebreaker ( picosoc #( .BARREL_SHIFTER(0), .ENABLE_MULDIV(0), - .MEM_WORDS(32768) + .MEM_WORDS(MEM_WORDS) ) soc ( .clk (clk ), .resetn (resetn ), diff --git a/picosoc/icebreaker_tb.v b/picosoc/icebreaker_tb.v index 2126ca2..209d165 100644 --- a/picosoc/icebreaker_tb.v +++ b/picosoc/icebreaker_tb.v @@ -62,7 +62,12 @@ module testbench; #1 $display("%b", leds); end - icebreaker uut ( + icebreaker #( + // We limit the amount of memory in simulation + // in order to avoid reduce simulation time + // required for intialization of RAM + .MEM_WORDS(256) + ) uut ( .clk (clk ), .led1 (led1 ), .led2 (led2 ), |