SYS_SUPPORT¶

Support-level syscalls.

Author: Luca Donno, Antonio Lopez, Samuele Marro, Edoardo Merli
Version: 0.3.0
Date: 2021-04-19
Copyright: Copyright (c) 2021

Defines

DEVREG(IntlineNo, DevNo, Reg)¶

DEVADDRBASE(IntlineNo, DevNo)¶

FLASHSEM¶

PRINTSEM¶

TERMRDSEM¶

TERMWRSEM¶

Functions

void generalExceptionHandler()¶: Handles general support level exceptions.

void trapExceptionHandler(support_t *currentSupport)¶

Handles support level traps.

Parameters: currentSupport – Pointer to the support structure of the process that caused the trap.

Variables

semaphore semMutexDevices[DEVICE_TYPES][DEVICE_INSTANCES]¶

Support level semaphores to regulate access to devices.

Remark: These semaphores should always be accessed with SYSCALL(…).