cmd: fix mtest on 64 bit systems

* Use 16 digits on 64 bit systems.
* Use 64 bit patterns on 64 bit systems.
* Expect the sign bit in bit 63 on 64 bit systems.
* Adjust the formatting of a constant.
* Always print result on new line

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/cmd/mem.c b/cmd/mem.c
index 1e39348195a000ff80ba5c475561487f6d15aefe..66c2d36a14800b3cfcc2c8201d7245dcb9806aeb 100644 (file)
--- a/cmd/mem.c
+++ b/cmd/mem.c
@@ -818,8 +818,8 @@ static ulong mem_test_alt(vu_long *buf, ulong start_addr, ulong end_addr,
         *
         * Returns:     0 if the test succeeds, 1 if the test fails.
         */
-       pattern = (vu_long) 0xaaaaaaaa;
-       anti_pattern = (vu_long) 0x55555555;
+       pattern = (vu_long)0xaaaaaaaaaaaaaaaa;
+       anti_pattern = (vu_long)0x5555555555555555;
 
        debug("%s:%d: length = 0x%.8lx\n", __func__, __LINE__, num_words);
        /*
@@ -970,7 +970,7 @@ static ulong test_bitflip_comparison(volatile unsigned long *bufa,
 
        max = sizeof(unsigned long) * 8;
        for (k = 0; k < max; k++) {
-               q = 0x00000001L << k;
+               q = 1UL << k;
                for (j = 0; j < 8; j++) {
                        schedule();
                        q = ~q;
@@ -1009,6 +1009,7 @@ static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
        ulong errs = 0;
        ulong incr, length;
        ulong val, readback;
+       const int plen = 2 * sizeof(ulong);
 
        /* Alternate the pattern */
        incr = 1;
@@ -1020,17 +1021,17 @@ static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
                 * the "negative" patterns and increment the "positive"
                 * patterns to preserve this feature.
                 */
-               if (pattern & 0x80000000)
+               if (pattern > (ulong)LONG_MAX)
                        pattern = -pattern;     /* complement & increment */
                else
                        pattern = ~pattern;
        }
        length = (end_addr - start_addr) / sizeof(ulong);
        end = buf + length;
-       printf("\rPattern %08lX  Writing..."
+       printf("\rPattern %0*lX  Writing..."
                "%12s"
                "\b\b\b\b\b\b\b\b\b\b",
-               pattern, "");
+               plen, pattern, "");
 
        for (addr = buf, val = pattern; addr < end; addr++) {
                schedule();
@@ -1046,10 +1047,9 @@ static ulong mem_test_quick(vu_long *buf, ulong start_addr, ulong end_addr,
                if (readback != val) {
                        ulong offset = addr - buf;
 
-                       printf("\nMem error @ 0x%08X: "
-                               "found %08lX, expected %08lX\n",
-                               (uint)(uintptr_t)(start_addr + offset*sizeof(vu_long)),
-                               readback, val);
+                       printf("\nMem error @ 0x%0*lX: found %0*lX, expected %0*lX\n",
+                              plen, start_addr + offset * sizeof(vu_long),
+                              plen, readback, plen, val);
                        errs++;
                        if (ctrlc())
                                return -1;
@@ -1135,11 +1135,7 @@ static int do_mem_mtest(struct cmd_tbl *cmdtp, int flag, int argc,
 
        unmap_sysmem((void *)buf);
 
-       if (errs == -1UL) {
-               /* Memory test was aborted - write a newline to finish off */
-               putc('\n');
-       }
-       printf("Tested %d iteration(s) with %lu errors.\n", iteration, count);
+       printf("\nTested %d iteration(s) with %lu errors.\n", iteration, count);
 
        return errs != 0;
 }