Architecture porting guide
Depends on core (now supported on ARM7 and cortex-m3):
functions, that must be defined: int disable_interrupts(); //disable interrupts and return prior interrupts state void restore_interrupts(int state); //restore interrupts to prior state void reset(); // reset core. Infinite loop if not supported unsigned int sys_call(unsigned int num, unsigned int param1, unsigned int param2, unsigned int param3); //call to kernel void pend_switch_context() //pend switching on supervisor exit void process_setup_context(PROCESS* process, PROCESS_FUNCTION fn); //setup thread context on stack
defines, that must be provided for mcu, if not decoded
SRAM_BASE // base address of system RAM. Provided for Cortex-M because of arch, but must be set for any other core. SRAM_SIZE // size of system RAM. Provided for STM32(F1, F2, F4) FLASH_BASE //base address of flash area. Provided for STM32
callbacks provided:
REX __INIT // userspace init thread.
global variables provided: