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//======================================================================
//
// test-sha256.c
// -------------
// test program for Cryptech Novena framwwork with EIM interface
// using the sha256 core.
//
//======================================================================
//------------------------------------------------------------------------------
// Headers
//------------------------------------------------------------------------------
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include "novena-eim.h"
//------------------------------------------------------------------------------
// Defines
//------------------------------------------------------------------------------
#define SHA256_PREFIX (0x0000)
#define SHA_BASE (EIM_BASE_ADDR + SHA256_PREFIX)
#define DEMO_ADDER_BASE_ADDR (EIM_BASE_ADDR + 0x0000)
#define DEMO_ADDER_X_REG (DEMO_ADDER_BASE_ADDR + 0)
#define DEMO_ADDER_Y_REG (DEMO_ADDER_BASE_ADDR + 4)
//------------------------------------------------------------------------------
// Testing Parameters
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void test_regs()
{
unsigned int read_addr;
unsigned int read_data;
unsigned int write_addr;
unsigned int write_data;
unsigned int i;
//
// for (i = 0 ; i < 0x40000 ; i += 4) {
// read_addr = EIM_BASE_ADDR + i;
// eim_read_32(read_addr, &read_data);
// printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
// }
read_addr = DEMO_ADDER_X_REG;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
read_addr = DEMO_ADDER_Y_REG;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
write_addr = DEMO_ADDER_Y_REG;
write_data = 0xaa55aa55;
eim_write_32(write_addr, &write_data);
read_addr = DEMO_ADDER_Y_REG;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void test_sha256()
{
unsigned int write_addr;
unsigned int write_data;
unsigned int read_addr;
unsigned int read_data;
int ok;
unsigned int i;
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
// Try to iniate block processing and then dump
write_addr = SHA_BASE + 0x20;
write_data = 0x00000001;
eim_write_32(write_addr, &write_data);
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
}
//------------------------------------------------------------------------------
// main()
//------------------------------------------------------------------------------
int main()
{
int ok;
unsigned int i;
// try to setup eim (return value should be 1)
printf("Configuring EIM .. ");
ok = eim_setup();
if (ok < 1) {
printf("ERROR\n");
return EXIT_FAILURE;
}
else {
printf("EIM Setup ok.\n");
}
test_sha256();
return 0;
}
//======================================================================
// EOF test-sha256.c
//======================================================================
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