aos/kernel/include/arch/arm/syscall_arm.h
Daniel Schwyn 6d444bf552 Main handout
Signed-off-by: Daniel Schwyn <daniel.schwyn@inf.ethz.ch>
2022-03-03 14:57:51 +01:00

30 lines
947 B
C

/**
* \file
* \brief arm-specific system calls implementation.
*/
/*
* Copyright (c) 2007, 2008, 2009, 2010, ETH Zurich.
* All rights reserved.
*
* This file is distributed under the terms in the attached LICENSE file.
* If you do not find this file, copies can be found by writing to:
* ETH Zurich D-INFK, Universitaetstrasse 6, CH-8092 Zurich. Attn: Systems Group.
*/
#ifndef KERNEL_ARM_SYSCALL_H
#define KERNEL_ARM_SYSCALL_H
#include <capabilities.h>
// needed because to resume an interrupted IT block, there literally is only one way:
// exiting handler mode, restoring the context
// if the dispatcher has to restore a context with IT-bits set, it can only do so with help
// from the kernel.
// XXX: registers is an area in the userspace of the currently executing process,
// it is NOT the set of arguments given to the syscall
errval_t sys_resume_context(arch_registers_state_t *registers);
#endif // KERNEL_ARM_SYSCALL_H