又遇到问题了。
> arm920t cp15 20
20: 00000000
> poll
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
> resume
Unable to set 32 bit software breakpoint at address 00000084
> arm920t cp15 20
target must be stopped for "cp15" command
> halt
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
> arm920t cp15 20
20: 00000000
> poll
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
把光盘上examples/leds下的例程make之后,loadimage到板上,能跑。但是bp显示成功,但是运行起来显示在软件断点无法停止。奇怪的是MMU之类的又开始运行了,并且无法关闭。
又遇到问题了。
> arm920t cp15 20
20: 00000000
> poll
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
> resume
Unable to set 32 bit software breakpoint at address 00000084
> arm920t cp15 20
target must be stopped for "cp15" command
> halt
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
> arm920t cp15 20
20: 00000000
> poll
target state: halted
target halted in ARM state due to debug request, current mode: System
cpsr: 0x6000005f pc: 0x33f08f5c
MMU: enabled, D-Cache: enabled, I-Cache: enabled
把光盘上examples/leds下的例程make之后,loadimage到板上,能跑。但是bp显示成功,但是运行起来显示在软件断点无法停止。奇怪的是MMU之类的又开始运行了,并且无法关闭。
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