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2 |
marcus.erl |
#include "common.h"
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#include "support.h"
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246 |
julius |
#include "spr-defs.h"
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140 |
julius |
#include "spincursor.h"
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2 |
marcus.erl |
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6 |
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void show_mem (int start, int stop)
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{
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unsigned long i = start;
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if ((i & 0xf) != 0x0) printf ("\n%08lx: ", i);
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for(; i <= stop; i += 4) {
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if ((i & 0xf) == 0x0) printf ("\n%08lx: ", i);
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/* Read one word */
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printf ("%08lx ", REG32(i));
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}
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printf ("\n");
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}
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void testram (unsigned long start_addr, unsigned long stop_addr, unsigned long testno)
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{
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unsigned long addr;
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unsigned long err_addr = 0;
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unsigned long err_no = 0;
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/* Test 1: Write locations with their addresses */
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if ((testno == 1) || (testno == 0)) {
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printf ("\n1. Writing locations with their addresses: ");
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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REG32(addr) = addr;
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/* Verify */
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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if (REG32(addr) != addr) {
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err_no++;
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err_addr = addr;
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}
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if (err_no) printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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else printf ("Passed");
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err_no = 0;
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}
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/* Test 2: Write locations with their inverse address */
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if ((testno == 2) || (testno == 0)) {
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printf ("\n2. Writing locations with their inverse addresses: ");
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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REG32(addr) = ~addr;
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/* Verify */
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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if (REG32(addr) != ~addr) {
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err_no++;
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err_addr = addr;
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}
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if (err_no) printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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else printf ("Passed");
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err_no = 0;
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}
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/* Test 3: Write locations with walking ones */
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if ((testno == 3) || (testno == 0)) {
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printf ("\n3. Writing locations with walking ones: ");
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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REG32(addr) = 1 << (addr >> 2);
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/* Verify */
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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if (REG32(addr) != (1 << (addr >> 2))) {
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err_no++;
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err_addr = addr;
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}
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if (err_no) printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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else printf ("Passed");
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err_no = 0;
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}
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/* Test 4: Write locations with walking zeros */
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if ((testno == 4) || (testno == 0)) {
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printf ("\n4. Writing locations with walking zeros: ");
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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REG32(addr) = ~(1 << (addr >> 2));
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/* Verify */
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for (addr = start_addr; addr <= stop_addr; addr += 4)
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if (REG32(addr) != ~(1 << (addr >> 2))) {
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err_no++;
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err_addr = addr;
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}
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if (err_no) printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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else printf ("Passed");
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err_no = 0;
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}
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}
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93 |
140 |
julius |
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// Do proper walking 0 as byte writes
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void better_ram_test (unsigned long start_addr, unsigned long stop_addr, unsigned test_no )
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{
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unsigned long addr;
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unsigned long err_addr = 0;
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unsigned long err_no = 0;
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int b;
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printf ("\nSetting memory contents to all 1'b1 ");
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//enable_spincursor();
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for (addr = start_addr; addr <= stop_addr; addr += 1)
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REG8(addr) = 0xff;
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//disable_spincursor();
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printf ("\rVerifying memory contents all set to 1'b1: ");
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//enable_spincursor();
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/* Verify */
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for (addr = start_addr; addr <= stop_addr; addr += 1)
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{
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if (REG8(addr) != 0xff) {
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err_no++;
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err_addr = addr;
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//disable_spincursor();
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printf ("\n%04lx times failed. Last at location %08lx ",
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err_no, err_addr);
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//enable_spincursor();
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}
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}
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if (err_no==0)
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printf ("Passed");
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else
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printf ("Finished");
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err_no = 0;
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printf ("\nWalking zero through memory, verify just itself: ");
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for (addr = start_addr; addr <= stop_addr; addr += 1)
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{
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for(b=0;b<8;b++)
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{
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// Write, verify
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REG8(addr) = ~(1<<b);
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if (REG8(addr) != ~(1<<b))
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{
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err_no++;
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err_addr = addr;
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printf ("\n%04lx times failed. Last at location %08lx", err_no, err_addr);
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}
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REG8(addr) = 0xff;
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}
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}
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if (err_no == 0)
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printf ("Passed");
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else
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printf ("Finished");
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err_no = 0;
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printf ("\nWriting across rows, row size configured as %d bytes",SDRAM_ROW_SIZE);
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unsigned long start_row = start_addr / SDRAM_ROW_SIZE;
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unsigned long end_row = stop_addr / SDRAM_ROW_SIZE;
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for (addr = start_row; addr <= end_row; addr += 1)
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{
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REG32(addr*SDRAM_ROW_SIZE) = addr;
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}
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printf ("\rVerifying row write test: ");
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for (addr = start_row; addr <= end_row; addr += 1)
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{
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if (REG32(addr*SDRAM_ROW_SIZE) != addr)
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{
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err_no++;
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err_addr = addr*SDRAM_ROW_SIZE;
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printf ("\n%04lx times failed. Last at location %08lx (row %d)", err_no, err_addr, addr);
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}
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}
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if (err_no == 0)
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printf ("Passed");
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else
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printf ("Finished");
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err_no = 0;
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}
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2 |
marcus.erl |
int dm_cmd (int argc, char *argv[])
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{
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unsigned long a1,a2;
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a1 = strtoul(argv[0], 0, 0);
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switch (argc) {
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case 1: show_mem (a1, a1); return 0;
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case 2:
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a2 = strtoul(argv[1], 0, 0);
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show_mem (a1, a2); return 0;
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default: return -1;
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}
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}
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int pm_cmd (int argc, char *argv[])
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{
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unsigned long addr, stop_addr, value;
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if ((argc == 3) || (argc == 2)) {
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addr = strtoul (argv[0], 0, 0);
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if (argc == 2) {
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stop_addr = strtoul (argv[0], 0, 0);
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value = strtoul (argv[1], 0, 0);
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} else {
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stop_addr = strtoul (argv[1], 0, 0);
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value = strtoul (argv[2], 0, 0);
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}
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for (; addr <= stop_addr; addr += 4) REG32(addr) = value;
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/*show_mem(strtoul (argv[0], 0, 0), stop_addr);*/
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} else return -1;
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return 0;
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}
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int ram_test_cmd (int argc, char *argv[])
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{
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switch (argc) {
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case 2: testram(strtoul (argv[0], 0, 0), strtoul (argv[1], 0, 0), 0); return 0;
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case 3: testram(strtoul (argv[0], 0, 0), strtoul (argv[1], 0, 0), strtoul (argv[2], 0, 0)); return 0;
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default: return -1;
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}
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}
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223 |
140 |
julius |
int better_ram_test_cmd (int argc, char *argv[])
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{
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if (argc < 2)
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return -1;
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better_ram_test(strtoul (argv[0], 0, 0), strtoul (argv[1], 0, 0), 0);
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return 0;
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}
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232 |
2 |
marcus.erl |
unsigned long crc32 (unsigned long crc, const unsigned char *buf, unsigned long len)
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{
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/* Create bitwise CRC table first */
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unsigned long crc_table[256];
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int i, k;
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for (i = 0; i < 256; i++) {
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unsigned long c = (unsigned long)i;
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for (k = 0; k < 8; k++) c = c & 1 ? 0xedb88320 ^ (c >> 1) : c >> 1;
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crc_table[i] = c;
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}
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/* Calculate crc on buf */
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crc = crc ^ 0xffffffffL;
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while (len--) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
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return crc ^ 0xffffffffL;
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}
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248 |
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int crc_cmd (int argc, char *argv[])
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250 |
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{
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unsigned long addr = global.src_addr;
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252 |
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unsigned long len = global.length;
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253 |
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unsigned long init_crc = 0;
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254 |
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255 |
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switch (argc) {
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256 |
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case 3: init_crc = strtoul (argv[2], 0, 0);
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case 2: len = strtoul (argv[1], 0, 0);
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case 1: addr = strtoul (argv[0], 0, 0);
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case 0:
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printf ("CRC [%08lx-%08lx] = %08lx\n", addr, addr + len - 1, crc32 (init_crc, (unsigned char *)addr, len));
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261 |
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return 0;
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262 |
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}
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263 |
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return -1;
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264 |
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}
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265 |
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266 |
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void module_memory_init (void)
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267 |
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{
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268 |
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register_command ("dm", "<start addr> [<end addr>]", "display 32-bit memory location(s)", dm_cmd);
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269 |
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register_command ("pm", "<addr> [<stop_addr>] <value>", "patch 32-bit memory location(s)", pm_cmd);
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270 |
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register_command ("ram_test", "<start_addr> <stop_addr> [<test_no>]", "run a simple RAM test", ram_test_cmd);
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271 |
140 |
julius |
register_command ("better_ram_test", "<start_addr> <stop_addr>", "run a better RAM test", better_ram_test_cmd);
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272 |
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273 |
2 |
marcus.erl |
register_command ("crc", "[<src_addr> [<length> [<init_crc>]]]", "Calculates a 32-bit CRC on specified memory region", crc_cmd);
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274 |
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}
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