[Qemu-devel] [Bug 540230] Re: Configuration option error for ARM in default-configs

[cmchao]

This problem has been  fixed in 23f2166d  at Feb 23

** Changed in: qemu
       Status: New => Fix Committed

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Configuration option error for ARM in default-configs 
https://bugs.launchpad.net/bugs/540230
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Status in QEMU: Fix Committed

Bug description:
The problem occurs when I try to launch qemu-system-arm for the machine: 
lm3s6965evb (Stellaris LM3S6965EVB)
The error message was:  qemu: hardware error: Unknown device 'ssd0323' for bus 
'SSI'

The error message means that the LED display driver (SSD0323) of the LM3S6965 
evaluation board isn't recognised. 

Searching through the source code of QEMU 0.12.3, I've seen in 
default-configs/arm-softmmu.mak that there is reference
made to: 
CONFIG_SD0303=y
CONFIG_SD0323=y

These parameters in turn are evaluated in the Makefile, as
obj-$(CONFIG_SSD0303) += ssd0303.o
obj-$(CONFIG_SSD0323) += ssd0323.o

The problem is that the spelling of the tags doesn't match up: CONFIG_SD0303 in 
the .mak vs CONFIG_SSD0303 in the Makefile (double SS)

Furthermore, in arm-softmmu.mak, reference is made to CONFIG_LAN9118=y and 
CONFIG_SMC91C111=y, which isn't referenced by the Makefile at all.

Please correct these parameters in default-configs/arm-softmmu.mak in order to 
give full functionality to the ARM Cortex M3 evaluation boards.