add support for memory commands with Blackfin L1 instruction memory
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index a994211..d080810 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -154,9 +154,32 @@
}
} 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 @@
}
#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 @@
}
#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 @@
}
#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.
*/