• context switch
    I am programming a simple full pre-emptive RTOS. It needs context switch. For saving contexts, is it enough to save all registers and CPSR? if tasks have local variables, and the complier uses memories...
  • Context Switch- RL-ARM
    Hello, i am starting to work with RL-ARM for CortexM3, and i have checking the manual. I miss more info about the context switch in CortexM3 using the RL-ARM. Another operating systems use the PendSVHandler...
  • Saving context before a switch
    Hello, I am working with an xc167. Currently I use a round-robin schedular, but I want to write my own preemptive schedular. I have browsed through the user manual, but it is still not 100% clear to...
  • A question about context switching
    Hello, There is an issue related to context switches that I do not understand. I have written the most simple interrupt handler: void foo() interrupt 0x20 using f_regs { } The generated assembly...
  • Having fun with STR9 context switch for the RealView compiler
    Hello all, If you are interested, I am working on a new personal project - an ARM9 scheduler ("Sand Storm", but the name is still volatile. It will inherit a lot from sourceforge.net/.../, however...