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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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25
rtl/modelsim/vortex_dpi.cpp
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@@ -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);