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Hello,
Anybody knows how disable global interrupts on STR912FAW44 using MDK-ARM 4.12 toolchain? I'd need to protect some routines from VIC0 and VIC1 interrupt requests. In other words the execution of these routines must be atomic.
Thanks in advance, Gaston
IB, I'm not able to find CPSR at all... I've searched in RM0006 Reference Manual and STR91xFAxxx datasheet without success. Any suggestion?
Regards, Gaston
Probably because this register (and others) are common stuff to all ARM7/9 cores. You should look online, or in a architecture reference manual. Did you try to google "ARM9 CPSR"...?
Once again, Tamir is right.
If you look in the file:
\Keil4\ARM\Boards\Keil\MCBSTR9\Blinky\STR91x.s
you will see an example of it's use, although that is accessing as CPSR_c