Lines Matching full:context

13  * in a thread's stack region when a preemptive context switch occurs.
21  * the floating point context is unconditionally saved/restored with every
22  * context switch.
73  * @brief Save non-integer context information
75  * This routine saves the system's "live" non-integer context into the
89  * @brief Save non-integer context information
91  * This routine saves the system's "live" non-integer context into the
105  * @brief Initialize floating point register context information.
115  * @brief Initialize SSE register context information.
125  * Save a thread's floating point context information.
127  * This routine saves the system's "live" floating point context into the
143  * Initialize a thread's floating point context information.
145  * This routine initializes the system's "live" floating point context.
159  * Enable preservation of floating point context information.
163  * this routine locks interrupts to ensure that a context switch does not occur.
165  * thread (since context switching can't occur), but it is harmless.
176 	/* Ensure a preemptive context switch does not occur */  in z_float_enable()
180 	/* Indicate thread requires floating point context saving */  in z_float_enable()
191 	 * Save existing floating point context (since it is about to change),  in z_float_enable()
193 	 * currently handling an interrupt or exception (meaning its FP context  in z_float_enable()
204 	/* Now create a virgin FP context */  in z_float_enable()
208 	/* Associate the new FP context with the specified thread */  in z_float_enable()
215 		 * (The FP context is "live" in hardware, not saved in TCS.)  in z_float_enable()
238 			 * entry), so save the new FP context in their TCS,  in z_float_enable()
242 			 * The saved FP context is needed in case the thread  in z_float_enable()
244 			 * since z_swap() uses it to restore FP context when  in z_float_enable()
247 			 * Saving the FP context reinits the FPU, and thus  in z_float_enable()
248 			 * our own FP context, but that's OK since it didn't  in z_float_enable()
261  * Disable preservation of floating point context information.
265  * this routine locks interrupts to ensure that a context switch does not occur.
267  * thread (since context switching can't occur), but it is harmless.
273 	/* Ensure a preemptive context switch does not occur */  in z_float_disable()