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authorMike Frysinger <vapier@gentoo.org>2008-02-04 19:26:56 -0500
committerMike Frysinger <vapier@gentoo.org>2008-02-04 19:26:56 -0500
commit4c727c77e43872d3a1d1f76a949fcb3f26a38788 (patch)
tree84e245ed419379f8e8a7c32f21be673e5087db3f /common
parent6b9097e5e7490aa7b828c6f1a1c7a0e875df8464 (diff)
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add support for memory commands with Blackfin L1 instruction memory
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'common')
-rw-r--r--common/cmd_mem.c51
1 files changed, 48 insertions, 3 deletions
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 @@ 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.
*/