DOS ain't dead

CLI and STI (asm) in my ISR ? (Announce)

posted by cpcdos , FRANCE [Lyon], 20.02.2015, 07:57

> Do you use DJGPP for your code? I remeber the caution about a need to lock
> memory that belongs to ISR (and all routines it may call and all data it
> may manipulate) to prevent being swapped out from RAM (in case you use
> swapping-enabled DPMI server like cwsdpmi)
> see functions:
> int _go32_dpmi_lock_code( void *_lockaddr, unsigned long _locksize);
> int _go32_dpmi_lock_data( void *_lockaddr, unsigned long _locksize);
> But it would be probably something else...


@bretjohn Thank you for your explications, I understand better how this work.
I have delete all subroutines on this ISR, and put other operations instead of, and this work Thank!



@RayeR, I will keep you informed for this function
Best regards.

FAVIER Sébastien

---
Sébastien FAVIER

ps: Excuse me for my English level, I'm a French student

Complete thread:

• CLI and STI (asm) in my ISR ? - cpcdos, 17.02.2015, 13:22 (Announce)
  • CLI and STI (asm) in my ISR ? - bretjohn, 17.02.2015, 16:38
  • CLI and STI (asm) in my ISR ? - RayeR, 17.02.2015, 18:09
    • CLI and STI (asm) in my ISR ? - cpcdos, 20.02.2015, 07:57
    • CLI and STI (asm) in my ISR ? - cpcdos, 23.02.2015, 15:59
      • CLI and STI (asm) in my ISR ? - RayeR, 23.02.2015, 19:37