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add support for memory commands with Blackfin L1 instruction memory

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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-02-04 19:26:56 -05:00
parent 6b9097e5e7
commit 4c727c77e4
1 changed files with 48 additions and 3 deletions
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51
common/cmd_mem.c
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@ -154,9 +154,32 @@ int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
} while (nbytes > 0);
#else
/* Print the lines. */
print_buffer(addr, (void*)addr, size, length, DISP_LINE_LEN/size);
addr += size*length;
# if defined(CONFIG_BLACKFIN)
/* See if we're trying to display L1 inst */
if (addr_bfin_on_chip_mem(addr)) {
char linebuf[DISP_LINE_LEN];
ulong linebytes, nbytes = length * size;
do {
linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
memcpy(linebuf, (void *)addr, linebytes);
print_buffer(addr, linebuf, size, linebytes/size, DISP_LINE_LEN/size);
nbytes -= linebytes;
addr += linebytes;
if (ctrlc()) {
rc = 1;
break;
}
} while (nbytes > 0);
} else
# endif
{
/* Print the lines. */
print_buffer(addr, (void*)addr, size, length, DISP_LINE_LEN/size);
addr += size*length;
}
#endif
dp_last_addr = addr;
@ -308,6 +331,13 @@ int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
#endif
#ifdef CONFIG_BLACKFIN
if (addr_bfin_on_chip_mem(addr1) || addr_bfin_on_chip_mem(addr2)) {
puts ("Comparison with L1 instruction memory not supported.\n\r");
return 0;
}
#endif
ngood = 0;
while (count-- > 0) {
@ -478,6 +508,14 @@ int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
}
#endif
#ifdef CONFIG_BLACKFIN
/* See if we're copying to/from L1 inst */
if (addr_bfin_on_chip_mem(dest) || addr_bfin_on_chip_mem(addr)) {
memcpy((void *)dest, (void *)addr, count * size);
return 0;
}
#endif
while (count-- > 0) {
if (size == 4)
*((ulong *)dest) = *((ulong *)addr);
@ -1006,6 +1044,13 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[])
}
#endif
#ifdef CONFIG_BLACKFIN
if (addr_bfin_on_chip_mem(addr)) {
puts ("Can't modify L1 instruction in place. Use cp instead.\n\r");
return 0;
}
#endif
/* Print the address, followed by value. Then accept input for
* the next value. A non-converted value exits.
*/