117     StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,  in pxPortInitialiseStack()  argument
122     StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,  in pxPortInitialiseStack()
137     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
138     pxTopOfStack--;  in pxPortInitialiseStack()
139     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
140     pxTopOfStack--;  in pxPortInitialiseStack()
141     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
142     pxTopOfStack--;  in pxPortInitialiseStack()
146         *pxTopOfStack = ( StackType_t ) ( pxTopOfStack + 3 );  in pxPortInitialiseStack()
147         pxTopOfStack--;  in pxPortInitialiseStack()
148         *pxTopOfStack = ( StackType_t ) pxEndOfStack;  in pxPortInitialiseStack()
149         pxTopOfStack--;  in pxPortInitialiseStack()
154         *pxTopOfStack = portINITIAL_FSR;  in pxPortInitialiseStack()
155         pxTopOfStack--;  in pxPortInitialiseStack()
161     *pxTopOfStack = mfmsr() & ~portMSR_IE;  in pxPortInitialiseStack()
166         *pxTopOfStack |= portMSR_EE;  in pxPortInitialiseStack()
170     pxTopOfStack--;  in pxPortInitialiseStack()
174     *pxTopOfStack = ( StackType_t ) 0x00;  in pxPortInitialiseStack()
180     pxTopOfStack--;  in pxPortInitialiseStack()
181     *pxTopOfStack = ( StackType_t ) ulR2;         /* R2 - read only small data area. */  in pxPortInitialiseStack()
182     pxTopOfStack--;  in pxPortInitialiseStack()
183     *pxTopOfStack = ( StackType_t ) 0x03;         /* R3 - return values and temporaries. */  in pxPortInitialiseStack()
184     pxTopOfStack--;  in pxPortInitialiseStack()
185     *pxTopOfStack = ( StackType_t ) 0x04;         /* R4 - return values and temporaries. */  in pxPortInitialiseStack()
186     pxTopOfStack--;  in pxPortInitialiseStack()
187     *pxTopOfStack = ( StackType_t ) pvParameters; /* R5 contains the function call parameters. */  in pxPortInitialiseStack()
190         pxTopOfStack--;  in pxPortInitialiseStack()
191         *pxTopOfStack = ( StackType_t ) 0x06;   /* R6 - other parameters and temporaries. */  in pxPortInitialiseStack()
192         pxTopOfStack--;  in pxPortInitialiseStack()
193         *pxTopOfStack = ( StackType_t ) 0x07;   /* R7 - other parameters and temporaries. */  in pxPortInitialiseStack()
194         pxTopOfStack--;  in pxPortInitialiseStack()
195         *pxTopOfStack = ( StackType_t ) NULL;   /* R8 - other parameters and temporaries. */  in pxPortInitialiseStack()
196         pxTopOfStack--;  in pxPortInitialiseStack()
197         *pxTopOfStack = ( StackType_t ) 0x09;   /* R9 - other parameters and temporaries. */  in pxPortInitialiseStack()
198         pxTopOfStack--;  in pxPortInitialiseStack()
199         *pxTopOfStack = ( StackType_t ) 0x0a;   /* R10 - other parameters and temporaries. */  in pxPortInitialiseStack()
200         pxTopOfStack--;  in pxPortInitialiseStack()
201         *pxTopOfStack = ( StackType_t ) 0x0b;   /* R11 - temporaries. */  in pxPortInitialiseStack()
202         pxTopOfStack--;  in pxPortInitialiseStack()
203         *pxTopOfStack = ( StackType_t ) 0x0c;   /* R12 - temporaries. */  in pxPortInitialiseStack()
204         pxTopOfStack--;  in pxPortInitialiseStack()
206         pxTopOfStack -= 8;  in pxPortInitialiseStack()
209     *pxTopOfStack = ( StackType_t ) ulR13;   /* R13 - read/write small data area. */  in pxPortInitialiseStack()
210     pxTopOfStack--;  in pxPortInitialiseStack()
211     *pxTopOfStack = ( StackType_t ) pxCode;  /* R14 - return address for interrupt. */  in pxPortInitialiseStack()
212     pxTopOfStack--;  in pxPortInitialiseStack()
213     *pxTopOfStack = ( StackType_t ) _start1; /* R15 - return address for subroutine. */  in pxPortInitialiseStack()
216         pxTopOfStack--;  in pxPortInitialiseStack()
217         *pxTopOfStack = ( StackType_t ) 0x10;   /* R16 - return address for trap (debugger). */  in pxPortInitialiseStack()
218         pxTopOfStack--;  in pxPortInitialiseStack()
219 …  *pxTopOfStack = ( StackType_t ) 0x11;   /* R17 - return address for exceptions, if configured. */  in pxPortInitialiseStack()
220         pxTopOfStack--;  in pxPortInitialiseStack()
221 …*pxTopOfStack = ( StackType_t ) 0x12;   /* R18 - reserved for assembler and compiler temporaries. …  in pxPortInitialiseStack()
222         pxTopOfStack--;  in pxPortInitialiseStack()
224         pxTopOfStack -= 4;  in pxPortInitialiseStack()
227 …*pxTopOfStack = ( StackType_t ) 0x00;   /* R19 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
230         pxTopOfStack--;  in pxPortInitialiseStack()
231 …*pxTopOfStack = ( StackType_t ) 0x14;   /* R20 - reserved for storing a pointer to the Global Offs…  in pxPortInitialiseStack()
232         pxTopOfStack--;  in pxPortInitialiseStack()
233 …*pxTopOfStack = ( StackType_t ) 0x15;   /* R21 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
234         pxTopOfStack--;  in pxPortInitialiseStack()
235 …*pxTopOfStack = ( StackType_t ) 0x16;   /* R22 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
236         pxTopOfStack--;  in pxPortInitialiseStack()
237 …*pxTopOfStack = ( StackType_t ) 0x17;   /* R23 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
238         pxTopOfStack--;  in pxPortInitialiseStack()
239 …*pxTopOfStack = ( StackType_t ) 0x18;   /* R24 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
240         pxTopOfStack--;  in pxPortInitialiseStack()
241 …*pxTopOfStack = ( StackType_t ) 0x19;   /* R25 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
242         pxTopOfStack--;  in pxPortInitialiseStack()
243 …*pxTopOfStack = ( StackType_t ) 0x1a;   /* R26 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
244         pxTopOfStack--;  in pxPortInitialiseStack()
245 …*pxTopOfStack = ( StackType_t ) 0x1b;   /* R27 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
246         pxTopOfStack--;  in pxPortInitialiseStack()
247 …*pxTopOfStack = ( StackType_t ) 0x1c;   /* R28 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
248         pxTopOfStack--;  in pxPortInitialiseStack()
249 …*pxTopOfStack = ( StackType_t ) 0x1d;   /* R29 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
250         pxTopOfStack--;  in pxPortInitialiseStack()
251 …*pxTopOfStack = ( StackType_t ) 0x1e;   /* R30 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
252         pxTopOfStack--;  in pxPortInitialiseStack()
253 …*pxTopOfStack = ( StackType_t ) 0x1f;   /* R31 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
254         pxTopOfStack--;  in pxPortInitialiseStack()
256         pxTopOfStack -= 13;  in pxPortInitialiseStack()
261     return pxTopOfStack;  in pxPortInitialiseStack()