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kernel: implement some more system calls

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These are needed to demonstrate the Philosophers demo with threads
running in user mode.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2017-09-27 14:45:10 -07:00 • committed by Andrew Boie
commit 76c04a21ee
3 changed files with 61 additions and 8 deletions
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8
include/kernel.h
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@ -599,7 +599,7 @@ extern FUNC_NORETURN void k_thread_user_mode_enter(k_thread_entry_t entry,
*
* @return N/A
*/
extern void k_sleep(s32_t duration);
__syscall void k_sleep(s32_t duration);
/**
* @brief Cause the current thread to busy wait.
@ -640,7 +640,7 @@ extern void k_wakeup(k_tid_t thread);
*
* @return ID of current thread.
*/
extern k_tid_t k_current_get(void);
__syscall k_tid_t k_current_get(void);
/**
* @brief Cancel thread performing a delayed start.
@ -779,7 +779,7 @@ struct _static_thread_data {
*
* @return Priority of @a thread.
*/
extern int k_thread_priority_get(k_tid_t thread);
__syscall int k_thread_priority_get(k_tid_t thread);
/**
* @brief Set a thread's priority.
@ -1414,7 +1414,7 @@ static inline void k_disable_sys_clock_always_on(void)
*
* @return Current uptime.
*/
extern u32_t k_uptime_get_32(void);
__syscall u32_t k_uptime_get_32(void);
/**
* @brief Get elapsed time.