diff options
Diffstat (limited to 'common/cmd_mem.c')
| -rw-r--r-- | common/cmd_mem.c | 78 |
1 files changed, 58 insertions, 20 deletions
diff --git a/common/cmd_mem.c b/common/cmd_mem.c index a994211..ed91f27 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); @@ -659,9 +697,10 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) vu_long *addr, *start, *end; ulong val; ulong readback; + int rcode = 0; #if defined(CFG_ALT_MEMTEST) - vu_long addr_mask; + vu_long len; vu_long offset; vu_long test_offset; vu_long pattern; @@ -689,7 +728,6 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) #else ulong incr; ulong pattern; - int rcode = 0; #endif if (argc > 1) { @@ -798,26 +836,19 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * all possible. * * Returns: 0 if the test succeeds, 1 if the test fails. - * - * ## NOTE ## Be sure to specify start and end - * addresses such that addr_mask has - * lots of bits set. For example an - * address range of 01000000 02000000 is - * bad while a range of 01000000 - * 01ffffff is perfect. */ - addr_mask = ((ulong)end - (ulong)start)/sizeof(vu_long); + len = ((ulong)end - (ulong)start)/sizeof(vu_long); pattern = (vu_long) 0xaaaaaaaa; anti_pattern = (vu_long) 0x55555555; - PRINTF("%s:%d: addr mask = 0x%.8lx\n", + PRINTF("%s:%d: length = 0x%.8lx\n", __FUNCTION__, __LINE__, - addr_mask); + len); /* * Write the default pattern at each of the * power-of-two offsets. */ - for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) { + for (offset = 1; offset < len; offset <<= 1) { start[offset] = pattern; } @@ -827,7 +858,7 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) test_offset = 0; start[test_offset] = anti_pattern; - for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) { + for (offset = 1; offset < len; offset <<= 1) { temp = start[offset]; if (temp != pattern) { printf ("\nFAILURE: Address bit stuck high @ 0x%.8lx:" @@ -841,10 +872,10 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* * Check for addr bits stuck low or shorted. */ - for (test_offset = 1; (test_offset & addr_mask) != 0; test_offset <<= 1) { + for (test_offset = 1; test_offset < len; test_offset <<= 1) { start[test_offset] = anti_pattern; - for (offset = 1; (offset & addr_mask) != 0; offset <<= 1) { + for (offset = 1; offset < len; offset <<= 1) { temp = start[offset]; if ((temp != pattern) && (offset != test_offset)) { printf ("\nFAILURE: Address bit stuck low or shorted @" @@ -954,8 +985,8 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } incr = -incr; } - return rcode; #endif + return rcode; } @@ -1006,6 +1037,13 @@ 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. */ |