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unknown register using gdbserver

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cmw

Beginner

Date of registration: Jan 12th 2009

Posts: 4

1

Monday, January 12th 2009, 7:27pm

unknown register using gdbserver

I'm using J-link gdb server with a ARM11 chip. I can print the registers with monitor regs but when i try to read/write a specific register it fails with the error "Unknown register". J-Link commander is able to set PC fine and everything else works fine in gdb server. Can anyone help out?

Here is a sample of what is happening on both 4.00a and 4.01a

(gdb) monitor reg pc
Unsupported register !
(gdb) monitor reg r0
Unsupported register !
(gdb) monitor regs
PC = 1FFFFFD0, CPSR = 000001D3 (SVC mode, ARM FIQ dis. IRQ dis.)
R0 = 00000000, R1 = 001100D0, R2 = 2C202040, R3 = 00100008
R4 = 81A84980, R5 = 00103810, R6 = 040B1081, R7 = 40000600
USR: R8 =2C101944, R9 =00521820, R10=90000240, R11 =88002008, R12 =48002118
R13=21600209, R14=B8184004
FIQ: R8 =90080018, R9 =8A4A0002, R10=6A101220, R11 =01000024, R12 =00300950
R13=08B20829, R14=08802040, SPSR=00000010
SVC: R13=08AC0240, R14=41130000, SPSR=00000010
ABT: R13=28000182, R14=60230050, SPSR=00000010
IRQ: R13=24080020, R14=05101011, SPSR=00000010
UND: R13=49209010, R14=1F105694, SPSR=000001DB

This post has been edited 1 times, last edit by "cmw" (Jan 13th 2009, 4:11pm)

cmw

Beginner

Date of registration: Jan 12th 2009

Posts: 4

2

Wednesday, January 14th 2009, 5:50pm

Does no one from Segger have any comments? is this a bug?

SEGGER - Alex

Super Moderator

Date of registration: Dec 18th 2007

Posts: 302

3

Wednesday, January 28th 2009, 1:32pm

Hello cmw,

sorry for the delay.

We will have a look into this. There seems to be a problem inside the J-Link GDB Server.

Best regards,
Alex

SEGGER - Alex

Super Moderator

Date of registration: Dec 18th 2007

Posts: 302

4

Wednesday, January 28th 2009, 3:56pm

Hello cmw,

we have analyzed and fixed the problem.
The problem will be fixed in the next beta version of the J-Link software (V4.03d).
The new version will be available for download from our website:
http://www.segger.com/download_jlink_beta.html

Best regards,
Alex

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