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Prefetch Abort while calling __main
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Prefetch Abort while calling __main
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Gopi Gopi
over 7 years ago
Note: This was originally posted on 22nd October 2009 at http://forums.arm.com
Hi All,
I am calling "__main" instead of "main" in my code for ZI data initialization, for copying code to ram, and for arm library initialization. But, during my program execution I'm facing Prefetch abort. This happens in "__rt_lib_init" function. Can anybody explain the reason for this ?
I solved it by adding the following code:
EXPORT __rt_lib_init
IMPORT main
__rt_lib_init
LDR R0, =main
BX R0
But why should I get Prefetch abort if I call "__rt_lib_init" ?
Note:
The arm core being used here is ARM7TDMI-S (no cache).
Compiler Options: --apcs /interwork --thumb -O2
Linker Options: --datacompressor off --callgraph
Thanks in advance,
Gopu.S
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