|
@@ -106,13 +106,9 @@ TBC
|
|
|
Debugging u-boot in RAM:
|
|
|
(example on the qong board)
|
|
|
|
|
|
-a) add in config.mk:
|
|
|
-
|
|
|
-PLATFORM_CPPFLAGS += -DDEBUG
|
|
|
-
|
|
|
-----------------
|
|
|
|
|
|
-b) start debugger
|
|
|
+a) start debugger
|
|
|
|
|
|
arm-linux-gdb u-boot
|
|
|
|
|
@@ -130,7 +126,7 @@ The target architecture is set automatically (currently arm)
|
|
|
|
|
|
-----------------
|
|
|
|
|
|
-c) connect to target
|
|
|
+b) connect to target
|
|
|
|
|
|
target remote bdi10:2001
|
|
|
|
|
@@ -141,7 +137,7 @@ Remote debugging using bdi10:2001
|
|
|
|
|
|
-----------------
|
|
|
|
|
|
-d) discard symbol-file
|
|
|
+c) discard symbol-file
|
|
|
|
|
|
(gdb) symbol-file
|
|
|
Discard symbol table from `/home/hs/celf/u-boot/u-boot'? (y or n) y
|
|
@@ -150,7 +146,7 @@ No symbol file now.
|
|
|
|
|
|
-----------------
|
|
|
|
|
|
-e) load new symbol table:
|
|
|
+d) load new symbol table:
|
|
|
|
|
|
(gdb) add-symbol-file u-boot 0x8ff08000
|
|
|
add symbol table from file "u-boot" at
|
|
@@ -167,28 +163,23 @@ Program received signal SIGSTOP, Stopped (signal).
|
|
|
|
|
|
add-symbol-file u-boot 0x8ff08000
|
|
|
^^^^^^^^^^
|
|
|
- get this address from u-boot debug printfs
|
|
|
-
|
|
|
-U-Boot 2010.06-rc2-00009-gf77b8b8-dirty (Jun 22 2010 - 09:43:46)
|
|
|
-
|
|
|
-U-Boot code: A0000000 -> A0058BAC BSS: -> A0061F10
|
|
|
-CPU: Freescale i.MX31 at 398 MHz
|
|
|
-Board: DAVE/DENX Qong
|
|
|
-mon: FFFFFFFF gd->monLen: 00061F10
|
|
|
-Top of RAM usable for U-Boot at: 90000000
|
|
|
-LCD panel info: 640 x 480, 16 bit/pix
|
|
|
-Reserving 600k for LCD Framebuffer at: 8ff6a000
|
|
|
-Reserving 391k for U-Boot at: 8ff08000
|
|
|
- ^^^^^^^^
|
|
|
-Reserving 1280k for malloc() at: 8fdc8000
|
|
|
-Reserving 24 Bytes for Board Info at: 8fdc7fe8
|
|
|
-Reserving 52 Bytes for Global Data at: 8fdc7fb4
|
|
|
-New Stack Pointer is: 8fdc7fb0
|
|
|
-RAM Configuration:
|
|
|
-Bank #0: 80000000 256 MiB
|
|
|
-relocation Offset is: eff08000
|
|
|
-mon: 00058BAC gd->monLen: 00061F10
|
|
|
-Now running in RAM - U-Boot at: 8ff08000
|
|
|
- ^^^^^^^^
|
|
|
+ get this address from u-boot bdinfo command
|
|
|
+
|
|
|
+ => bdinfo
|
|
|
+rch_number = XXXXXXXXXX
|
|
|
+boot_params = XXXXXXXXXX
|
|
|
+DRAM bank = XXXXXXXXXX
|
|
|
+-> start = XXXXXXXXXX
|
|
|
+-> size = XXXXXXXXXX
|
|
|
+ethaddr = XXXXXXXXXX
|
|
|
+ip_addr = XXXXXXXXXX
|
|
|
+baudrate = XXXXXXXXXX
|
|
|
+TLB addr = XXXXXXXXXX
|
|
|
+relocaddr = 0x8ff08000
|
|
|
+ ^^^^^^^^^^
|
|
|
+reloc off = XXXXXXXXXX
|
|
|
+irq_sp = XXXXXXXXXX
|
|
|
+sp start = XXXXXXXXXX
|
|
|
+FB base = XXXXXXXXXX
|
|
|
|
|
|
Now you can use gdb as usual :-)
|