seL4/include/kernel/thread.h
Adrian Danis 8743737dae Use CONST instead of PURE in thread functions
As these functions do not read any global state they fit
within the subset of PURE that can be declared as CONST
2015-10-23 15:02:53 +11:00

69 lines
2 KiB
C

/*
* Copyright 2014, General Dynamics C4 Systems
*
* This software may be distributed and modified according to the terms of
* the GNU General Public License version 2. Note that NO WARRANTY is provided.
* See "LICENSE_GPLv2.txt" for details.
*
* @TAG(GD_GPL)
*/
#ifndef __KERNEL_THREAD_H
#define __KERNEL_THREAD_H
#include <types.h>
#include <util.h>
#include <object/structures.h>
#include <arch/machine.h>
static inline CONST word_t
ready_queues_index(word_t dom, word_t prio)
{
if (CONFIG_NUM_DOMAINS > 1) {
return dom * CONFIG_NUM_PRIORITIES + prio;
} else {
assert(dom == 0);
return prio;
}
}
static inline CONST word_t
prio_to_l1index(word_t prio)
{
return (prio >> wordRadix);
}
static inline CONST word_t
l1index_to_prio(word_t l1index)
{
return (l1index << wordRadix);
}
void configureIdleThread(tcb_t *tcb);
void activateThread(void) VISIBLE;
void suspend(tcb_t *target);
void restart(tcb_t *target);
void doIPCTransfer(tcb_t *sender, endpoint_t *endpoint,
word_t badge, bool_t grant, tcb_t *receiver,
bool_t diminish);
void doReplyTransfer(tcb_t *sender, tcb_t *receiver, cte_t *slot);
void doNormalTransfer(tcb_t *sender, word_t *sendBuffer, endpoint_t *endpoint,
word_t badge, bool_t canGrant, tcb_t *receiver,
word_t *receiveBuffer, bool_t diminish);
void doFaultTransfer(word_t badge, tcb_t *sender, tcb_t *receiver,
word_t *receiverIPCBuffer);
void doNBWaitFailedTransfer(tcb_t *thread);
void schedule(void);
void chooseThread(void);
void switchToThread(tcb_t *thread) VISIBLE;
void switchToIdleThread(void);
void setDomain(tcb_t *tptr, dom_t dom);
void setPriority(tcb_t *tptr, prio_t prio);
void scheduleTCB(tcb_t *tptr);
void attemptSwitchTo(tcb_t *tptr);
void switchIfRequiredTo(tcb_t *tptr);
void setThreadState(tcb_t *tptr, _thread_state_t ts) VISIBLE;
void timerTick(void);
void rescheduleRequired(void);
#endif