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Merge pull request #110 from antonblanchard/misc

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icache_tb: Improve test and include test file
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Anton Blanchard 2019-10-20 10:09:42 +11:00 committed by GitHub
commit 326dec4b3b
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3 changed files with 29 additions and 4 deletions
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24
icache_tb.vhdl
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@ -77,7 +77,11 @@ begin
wait for 30*clk_period;
assert i_in.valid = '1';
assert i_in.insn = x"00000001";
assert i_in.insn = x"00000001"
report "insn @" & to_hstring(i_out.nia) &
"=" & to_hstring(i_in.insn) &
" expected 00000001"
severity failure;
i_out.req <= '0';
@ -88,7 +92,11 @@ begin
i_out.nia <= x"0000000000000008";
wait for clk_period;
assert i_in.valid = '1';
assert i_in.insn = x"00000002";
assert i_in.insn = x"00000002"
report "insn @" & to_hstring(i_out.nia) &
"=" & to_hstring(i_in.insn) &
" expected 00000002"
severity failure;
wait for clk_period;
-- another miss
@ -98,7 +106,11 @@ begin
wait for 30*clk_period;
assert i_in.valid = '1';
assert i_in.insn = x"00000010";
assert i_in.insn = x"00000010"
report "insn @" & to_hstring(i_out.nia) &
"=" & to_hstring(i_in.insn) &
" expected 00000010"
severity failure;
-- test something that aliases
i_out.req <= '1';
@ -110,7 +122,11 @@ begin
wait for 30*clk_period;
assert i_in.valid = '1';
assert i_in.insn = x"00000040";
assert i_in.insn = x"00000040"
report "insn @" & to_hstring(i_out.nia) &
"=" & to_hstring(i_in.insn) &
" expected 00000040"
severity failure;
i_out.req <= '0';

BIN
icache_test.bin Normal file
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9
scripts/gen_icache_tb.py Executable file
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@ -0,0 +1,9 @@
#!/usr/bin/python3
b = bytearray()
for i in range(0x100):
b = b + i.to_bytes(4, 'little')
f = open('icache_test.bin', 'w+b')
f.write(b)
f.close()