| Line 554... |
Line 554... |
if (set_select = '0') then
|
if (set_select = '0') then
|
tag_mem_s0(to_integer(unsigned(cache_index))) <= ctrl_acc_addr.tag;
|
tag_mem_s0(to_integer(unsigned(cache_index))) <= ctrl_acc_addr.tag;
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else
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else
|
tag_mem_s1(to_integer(unsigned(cache_index))) <= ctrl_acc_addr.tag;
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tag_mem_s1(to_integer(unsigned(cache_index))) <= ctrl_acc_addr.tag;
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end if;
|
end if;
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else -- read access
|
end if;
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tag(0) <= tag_mem_s0(to_integer(unsigned(cache_index)));
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tag(0) <= tag_mem_s0(to_integer(unsigned(cache_index)));
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tag(1) <= tag_mem_s1(to_integer(unsigned(cache_index)));
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tag(1) <= tag_mem_s1(to_integer(unsigned(cache_index)));
|
end if;
|
end if;
|
end if;
|
|
end process tag_memory;
|
end process tag_memory;
|
|
|
-- comparator --
|
-- comparator --
|
comparator: process(host_acc_addr, tag, valid)
|
comparator: process(host_acc_addr, tag, valid)
|
begin
|
begin
|
| Line 582... |
Line 581... |
-- -------------------------------------------------------------------------------------------
|
-- -------------------------------------------------------------------------------------------
|
cache_mem_access: process(clk_i)
|
cache_mem_access: process(clk_i)
|
begin
|
begin
|
if rising_edge(clk_i) then
|
if rising_edge(clk_i) then
|
if (cache_we = '1') then -- write access from control (full-word)
|
if (cache_we = '1') then -- write access from control (full-word)
|
if (set_select = '0') then
|
if (set_select = '0') or (ICACHE_NUM_SETS = 1) then
|
cache_data_memory_s0(to_integer(unsigned(cache_addr))) <= ctrl_wdata_i;
|
cache_data_memory_s0(to_integer(unsigned(cache_addr))) <= ctrl_wdata_i;
|
else
|
else
|
cache_data_memory_s1(to_integer(unsigned(cache_addr))) <= ctrl_wdata_i;
|
cache_data_memory_s1(to_integer(unsigned(cache_addr))) <= ctrl_wdata_i;
|
end if;
|
end if;
|
else -- read access from host (full-word)
|
end if;
|
|
-- read access from host (full-word) --
|
cache_rdata(0) <= cache_data_memory_s0(to_integer(unsigned(cache_addr)));
|
cache_rdata(0) <= cache_data_memory_s0(to_integer(unsigned(cache_addr)));
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cache_rdata(1) <= cache_data_memory_s1(to_integer(unsigned(cache_addr)));
|
cache_rdata(1) <= cache_data_memory_s1(to_integer(unsigned(cache_addr)));
|
end if;
|
end if;
|
end if;
|
|
end process cache_mem_access;
|
end process cache_mem_access;
|
|
|
-- data output --
|
-- data output --
|
host_rdata_o <= cache_rdata(0) when (hit(0) = '1') or (ICACHE_NUM_SETS = 1) else cache_rdata(1);
|
host_rdata_o <= cache_rdata(0) when (hit(0) = '1') or (ICACHE_NUM_SETS = 1) else cache_rdata(1);
|
|
|
