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Parameterization working

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This commit is contained in:
Savan Roshan 2019-11-06 11:12:27 -05:00
parent 05a79bd51d
commit cb1bf65017
2 changed files with 33 additions and 15 deletions
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23
rtl/cache/VX_d_cache.v vendored
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@ -169,17 +169,18 @@ module VX_d_cache
wire[`DCACHE_BANKS - 1 : 0] detect_bank_miss;
assign threads_serviced_Qual = threads_serviced_per_bank[0] | threads_serviced_per_bank[1] |
threads_serviced_per_bank[2] | threads_serviced_per_bank[3] |
threads_serviced_per_bank[4] | threads_serviced_per_bank[5] |
threads_serviced_per_bank[6] | threads_serviced_per_bank[7];
// genvar bbid;
// always @(*) begin
// for (bbid = 0; bbid < NUMBER_BANKS; bbid=bbid+1)
// begin
// assign threads_serviced_Qual = threads_serviced_Qual | threads_serviced_per_bank[bbid];
// end
// end
//assign threads_serviced_Qual = threads_serviced_per_bank[0] | threads_serviced_per_bank[1] |
// threads_serviced_per_bank[2] | threads_serviced_per_bank[3] |
// threads_serviced_per_bank[4] | threads_serviced_per_bank[5] |
// threads_serviced_per_bank[6] | threads_serviced_per_bank[7];
integer bbid;
always @(*) begin
threads_serviced_Qual = 0;
for (bbid = 0; bbid < `DCACHE_BANKS; bbid=bbid+1)
begin
threads_serviced_Qual = threads_serviced_Qual | threads_serviced_per_bank[bbid];
end
end

25
rtl/modelsim/vortex_dpi.cpp
View file

@ -6,6 +6,7 @@
#include <../simulate/ram.h>
#include <stdio.h>
#include <math.h>
#include "svdpi.h"
#include "../simulate/VX_define.h"
@ -27,11 +28,22 @@ unsigned refill_addr;
unsigned num_cycles;
unsigned getIndex(int, int, int);
unsigned calculate_bits_per_bank_num(int);
unsigned getIndex(int r, int c, int numCols)
{
return (r * numCols) + c;
}
unsigned calculate_bits_per_bank_num(int num)
{
int shifted_num = 0;
for(int i = 0; i < num; i++){
shifted_num = (shifted_num << 1)| 1 ;
}
return shifted_num;
}
void load_file(char * filename)
{
@ -69,6 +81,7 @@ void ibus_driver(bool clk, unsigned pc_addr, unsigned * instruction)
}
void dbus_driver(bool clk, unsigned o_m_read_addr, unsigned o_m_evict_addr, bool o_m_valid, svLogicVecVal * o_m_writedata, bool o_m_read_or_write, svLogicVecVal * i_m_readdata, bool * i_m_ready)
{
@ -116,8 +129,10 @@ void dbus_driver(bool clk, unsigned o_m_read_addr, unsigned o_m_evict_addr, bool
unsigned addr_without_byte = new_addr >> 2;
unsigned bank_num = addr_without_byte & 0x7;
unsigned addr_wihtout_bank = addr_without_byte >> 3;
unsigned bits_per_bank = (int)log2(CACHE_NUM_BANKS);
unsigned maskbits_per_bank = calculate_bits_per_bank_num(bits_per_bank);
unsigned bank_num = addr_without_byte & maskbits_per_bank;
unsigned addr_wihtout_bank = addr_without_byte >> bits_per_bank;
unsigned offset_num = addr_wihtout_bank & 0x3;
unsigned value;
@ -149,8 +164,10 @@ void dbus_driver(bool clk, unsigned o_m_read_addr, unsigned o_m_evict_addr, bool
unsigned addr_without_byte = new_addr >> 2;
unsigned bank_num = addr_without_byte & 0x7;
unsigned addr_wihtout_bank = addr_without_byte >> 3;
unsigned bits_per_bank = (int)log2(CACHE_NUM_BANKS);
unsigned maskbits_per_bank = calculate_bits_per_bank_num(bits_per_bank);
unsigned bank_num = addr_without_byte & maskbits_per_bank;
unsigned addr_wihtout_bank = addr_without_byte >> bits_per_bank;
unsigned offset_num = addr_wihtout_bank & 0x3;
unsigned index = getIndex(bank_num,offset_num, CACHE_WORDS_PER_BLOCK);