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svn_rev_091 

generic/remove_loop_cmd.diff
This commit is contained in:
Sascha Hauer 2007-07-05 18:01:22 +02:00 committed by Sascha Hauer
parent 936b1a47ac
commit 45a0fa5ac5
1 changed files with 0 additions and 77 deletions
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77
common/cmd_mem.c
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@ -489,76 +489,6 @@ int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
return 0;
}
int do_mem_loop (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr, length, i, junk;
int size;
volatile uint *longp;
volatile ushort *shortp;
volatile u_char *cp;
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/* Check for a size spefication.
* Defaults to long if no or incorrect specification.
*/
if ((size = cmd_get_data_size(argv[0], 4)) < 0)
return 1;
/* Address is always specified.
*/
addr = simple_strtoul(argv[1], NULL, 16);
/* Length is the number of objects, not number of bytes.
*/
length = simple_strtoul(argv[2], NULL, 16);
/* We want to optimize the loops to run as fast as possible.
* If we have only one object, just run infinite loops.
*/
if (length == 1) {
if (size == 4) {
longp = (uint *)addr;
for (;;)
i = *longp;
}
if (size == 2) {
shortp = (ushort *)addr;
for (;;)
i = *shortp;
}
cp = (u_char *)addr;
for (;;)
i = *cp;
}
if (size == 4) {
for (;;) {
longp = (uint *)addr;
i = length;
while (i-- > 0)
junk = *longp++;
}
}
if (size == 2) {
for (;;) {
shortp = (ushort *)addr;
i = length;
while (i-- > 0)
junk = *shortp++;
}
}
for (;;) {
cp = (u_char *)addr;
i = length;
while (i-- > 0)
junk = *cp++;
}
}
#ifdef CONFIG_LOOPW
int do_mem_loopw (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
@ -1188,13 +1118,6 @@ U_BOOT_CMD(
#endif /* CONFIG_CRC32_VERIFY */
U_BOOT_CMD(
loop, 3, 1, do_mem_loop,
"loop - infinite loop on address range\n",
"[.b, .w, .l] address number_of_objects\n"
" - loop on a set of addresses\n"
);
#ifdef CONFIG_LOOPW
U_BOOT_CMD(
loopw, 4, 1, do_mem_loopw,