5  * SPDX-License-Identifier: MIT
33 /*-----------------------------------------------------------
35 *----------------------------------------------------------*/
37 /* Constants required for hardware setup.  The tick ISR runs off the ACLK,
50  * critical section is exited the count is decremented - with interrupts only
51  * being re-enabled if the count is zero.
57 /*-----------------------------------------------------------*/
65 /*-----------------------------------------------------------*/
81      *  Place a few bytes of known values on the bottom of the stack.  in pxPortInitialiseStack()
85      *  pxTopOfStack--;  in pxPortInitialiseStack()
87      *  pxTopOfStack--;  in pxPortInitialiseStack()
91     /* StackType_t is either 16 bits or 32 bits depending on the data model.  in pxPortInitialiseStack()
92      * Some stacked items do not change size depending on the data model so have  in pxPortInitialiseStack()
99         pusTopOfStack--;  in pxPortInitialiseStack()
110     pusTopOfStack--;  in pxPortInitialiseStack()
112     pusTopOfStack -= ( sizeof( StackType_t ) / 2 );  in pxPortInitialiseStack()
114     /* From here on the size of stacked items depends on the memory model. */  in pxPortInitialiseStack()
120         pxTopOfStack--;  in pxPortInitialiseStack()
122         pxTopOfStack--;  in pxPortInitialiseStack()
124         pxTopOfStack--;  in pxPortInitialiseStack()
126         pxTopOfStack--;  in pxPortInitialiseStack()
128         pxTopOfStack--;  in pxPortInitialiseStack()
130         pxTopOfStack--;  in pxPortInitialiseStack()
132         pxTopOfStack--;  in pxPortInitialiseStack()
134         pxTopOfStack--;  in pxPortInitialiseStack()
136         pxTopOfStack--;  in pxPortInitialiseStack()
138         pxTopOfStack--;  in pxPortInitialiseStack()
140         pxTopOfStack--;  in pxPortInitialiseStack()
142         pxTopOfStack--;  in pxPortInitialiseStack()
144         pxTopOfStack -= 3;  in pxPortInitialiseStack()
146         pxTopOfStack -= 9;  in pxPortInitialiseStack()
159 /*-----------------------------------------------------------*/
166 /*-----------------------------------------------------------*/
175 /*-----------------------------------------------------------*/