[U-Boot] [PATCH v3 1/2] README.arm-relocation: get relocated address from bdinfo

Ben Gardiner
2011-04-28T21:03:20Z

The bdinfo command prints the relocaddr on ARM as it does
on PPC.

Update the debugging instructions for arm relocation to
reflect this fact rather than requiring that the user
rebuild the u-boot image using -DDEBUG.

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
CC: Wolfgang Denk <wd@denx.de>

---

Changes since V1: none; introduced in V2

doc/README.arm-relocation | 53 ++++++++++++++++++--------------------------
1 files changed, 22 insertions(+), 31 deletions(-)

diff --git a/doc/README.arm-relocation b/doc/README.arm-relocation
index c0957c2..8bfb500 100644
--- a/doc/README.arm-relocation
+++ b/doc/README.arm-relocation
@@ -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 :-)
--
1.7.1