seL4/include/kernel/thread.h
Adrian Danis b861f28498 Move isRunnable from thread.c to thread.h
This helper function is useful beyond just thread.c
2017-04-26 09:36:43 +10:00

85 lines
2.2 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);
}
static inline bool_t PURE
isRunnable(const tcb_t *thread)
{
switch (thread_state_get_tsType(thread->tcbState)) {
case ThreadState_Running:
case ThreadState_Restart:
#ifdef CONFIG_VTX
case ThreadState_RunningVM:
#endif
return true;
default:
return false;
}
}
void configureIdleThread(tcb_t *tcb);
void activateThread(void);
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);
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);
void doFaultTransfer(word_t badge, tcb_t *sender, tcb_t *receiver,
word_t *receiverIPCBuffer);
void doNBRecvFailedTransfer(tcb_t *thread);
void schedule(void);
void chooseThread(void);
void switchToThread(tcb_t *thread);
void switchToIdleThread(void);
void setDomain(tcb_t *tptr, dom_t dom);
void setPriority(tcb_t *tptr, prio_t prio);
void setMCPriority(tcb_t *tptr, prio_t mcp);
void scheduleTCB(tcb_t *tptr);
void attemptSwitchTo(tcb_t *tptr);
void switchIfRequiredTo(tcb_t *tptr);
void setThreadState(tcb_t *tptr, _thread_state_t ts);
void timerTick(void);
void rescheduleRequired(void);
#endif