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 /*-----------------------------------------------------------*/
79         Place a few bytes of known values on the bottom of the stack.  in pxPortInitialiseStack()
83         pxTopOfStack--;  in pxPortInitialiseStack()
85         pxTopOfStack--;  in pxPortInitialiseStack()
87         pxTopOfStack--;  in pxPortInitialiseStack()
90     /* Data types are need either 16 bits or 32 bits depending on the data  in pxPortInitialiseStack()
102         pusTopOfStack--;  in pxPortInitialiseStack()
107     pusTopOfStack--;  in pxPortInitialiseStack()
109     pusTopOfStack -= ( sizeof( StackType_t ) / 2 );  in pxPortInitialiseStack()
111     /* From here on the size of stacked items depends on the memory model. */  in pxPortInitialiseStack()
117         pxTopOfStack--;  in pxPortInitialiseStack()
119         pxTopOfStack--;  in pxPortInitialiseStack()
121         pxTopOfStack--;  in pxPortInitialiseStack()
123         pxTopOfStack--;  in pxPortInitialiseStack()
125         pxTopOfStack--;  in pxPortInitialiseStack()
127         pxTopOfStack--;  in pxPortInitialiseStack()
129         pxTopOfStack--;  in pxPortInitialiseStack()
131         pxTopOfStack--;  in pxPortInitialiseStack()
133         pxTopOfStack--;  in pxPortInitialiseStack()
135         pxTopOfStack--;  in pxPortInitialiseStack()
137         pxTopOfStack--;  in pxPortInitialiseStack()
139         pxTopOfStack--;  in pxPortInitialiseStack()
141         pxTopOfStack -= 3;  in pxPortInitialiseStack()
143         pxTopOfStack -= 9;  in pxPortInitialiseStack()
155 /*-----------------------------------------------------------*/
162 /*-----------------------------------------------------------*/
171 /*-----------------------------------------------------------*/