[U-Boot-Users] bdi2000 debugging

[yu]

When I use bdi2000 to do the remote debug, i.e.
$ppc-linux-gdb ppcboot
(gdb)target remote bdi2000:2001

I  execute ppcboot step by step and get the following error:



692             bl      board_init_f    /* run first part of init code 
(from Flash)     */
(gdb) si
board_init_f (bootflag=4294836576) at board.c:323
323     {
(gdb) next
board_init_f (bootflag=54528) at board.c:337
337             gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
(gdb)next
341             memset ((void *) gd, 0, sizeof (gd_t));
(gdb)next
344             for (init_fnc_ptr = init_sequence; *init_fnc_ptr; 
++init_fnc_ptr) {
(gdb)

Program received signal SIGABRT, Aborted.
0xfffe8470 in board_init_f (bootflag=54528) at board.c:344
344             for (init_fnc_ptr = init_sequence; *init_fnc_ptr; 
++init_fnc_ptr) {
(gdb)




so the program stopped at 0xfffe8470
 From the list file,
there is nothing special at this address.


        for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
fffe846c:       83 9e 80 44     lwz     r28,-32700(r30)
fffe8470:       80 1c 00 00     lwz     r0,0(r28)
fffe8474:       2c 00 00 00     cmpwi   r0,0
fffe8478:       41 82 00 28     beq-    fffe84a0 <board_init_f+0x74>
                if ((*init_fnc_ptr) () != 0) {
fffe847c:       81 3c 00 00     lwz     r9,0(r28)
fffe8480:       7d 28 03 a6     mtlr    r9
fffe8484:       4e 80 00 21     blrl
fffe8488:       2c 03 00 00     cmpwi   r3,0
fffe848c:       41 82 00 08     beq-    fffe8494 <board_init_f+0x68>
                        hang ();
fffe8490:       48 00 03 49     bl      fffe87d8 <hang>
fffe8494:       84 1c 00 04     lwzu    r0,4(r28)
fffe8498:       2c 00 00 00     cmpwi   r0,0
fffe849c:       40 82 ff e0     bne+    fffe847c <board_init_f+0x50>
                }
        }


I really dont know why ppcboot always break at this step.
And where is the SIGABRT from? how to deal with it?
Any hints?
thanks in advance.

maoyuan