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Set associative bank working

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This commit is contained in:
felsabbagh3
2019-10-30 14:57:20 -04:00
parent 3b49b82c46
commit 7863175233
11 changed files with 242 additions and 67 deletions
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16
rtl/cache/VX_d_cache.v vendored
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@@ -96,6 +96,11 @@ module VX_d_cache
wire[NUMBER_BANKS-1:0] hit_per_bank; // Whether each bank got a hit or a miss
wire[NUMBER_BANKS-1:0] eviction_wb;
wire[NUMBER_BANKS -1 : 0][$clog2(CACHE_WAYS)-1:0] evicted_way_new;
reg [NUMBER_BANKS -1 : 0][$clog2(CACHE_WAYS)-1:0] evicted_way_old;
wire[NUMBER_BANKS -1 : 0][$clog2(CACHE_WAYS)-1:0] way_used;
// Internal State
reg [3:0] state;
wire[3:0] new_state;
@@ -230,6 +235,7 @@ module VX_d_cache
// begin
// debug_hit_per_bank_mask[init_b] <= 0;
// end
evicted_way_old <= 0;
end else begin
state <= new_state;
@@ -242,6 +248,7 @@ module VX_d_cache
end
final_data_read <= new_final_data_read_Qual;
evicted_way_old <= evicted_way_new;
end
end
@@ -254,6 +261,9 @@ module VX_d_cache
(state == RECIV_MEM_RSP) ? miss_addr :
i_p_addr[send_index_to_bank[bank_id]];
assign evicted_way_new[bank_id] = (state == SEND_MEM_REQ) ? way_used[bank_id] :
(state == RECIV_MEM_RSP) ? evicted_way_old[bank_id] :
0;
wire[1:0] byte_select = bank_addr[1:0];
wire[`CACHE_OFFSET_SIZE_RNG] cache_offset = bank_addr[`CACHE_ADDR_OFFSET_RNG];
@@ -290,9 +300,9 @@ module VX_d_cache
.eviction_addr (eviction_addr_per_bank[bank_id]),
.data_evicted (o_m_writedata[bank_id]),
.eviction_wb (eviction_wb[bank_id]), // Something needs to be written back
.fetched_writedata(i_m_readdata[bank_id]) // Data From memory
.fetched_writedata(i_m_readdata[bank_id]), // Data From memory
.evicted_way (evicted_way_new[bank_id]),
.way_use (way_used[bank_id])
);
end