107 StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParam…  in pxPortInitialiseStack()  argument
117     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
118     pxTopOfStack--;  in pxPortInitialiseStack()
119     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
120     pxTopOfStack--;  in pxPortInitialiseStack()
121     *pxTopOfStack = ( StackType_t ) 0x00000000;  in pxPortInitialiseStack()
122     pxTopOfStack--;  in pxPortInitialiseStack()
126         *pxTopOfStack = portINITIAL_FSR;  in pxPortInitialiseStack()
127         pxTopOfStack--;  in pxPortInitialiseStack()
133     *pxTopOfStack = mfmsr() & ~portMSR_IE;  in pxPortInitialiseStack()
138         *pxTopOfStack |= portMSR_EE;  in pxPortInitialiseStack()
142     pxTopOfStack--;  in pxPortInitialiseStack()
146     *pxTopOfStack = ( StackType_t ) 0x00;  in pxPortInitialiseStack()
152     pxTopOfStack--;  in pxPortInitialiseStack()
153     *pxTopOfStack = ( StackType_t ) ulR2;   /* R2 - read only small data area. */  in pxPortInitialiseStack()
154     pxTopOfStack--;  in pxPortInitialiseStack()
155     *pxTopOfStack = ( StackType_t ) 0x03;   /* R3 - return values and temporaries. */  in pxPortInitialiseStack()
156     pxTopOfStack--;  in pxPortInitialiseStack()
157     *pxTopOfStack = ( StackType_t ) 0x04;   /* R4 - return values and temporaries. */  in pxPortInitialiseStack()
158     pxTopOfStack--;  in pxPortInitialiseStack()
159     *pxTopOfStack = ( StackType_t ) pvParameters;/* R5 contains the function call parameters. */  in pxPortInitialiseStack()
162         pxTopOfStack--;  in pxPortInitialiseStack()
163 …*pxTopOfStack = ( StackType_t ) 0x06;   /* R6 - other parameters and temporaries.  Used as the ret…  in pxPortInitialiseStack()
164         pxTopOfStack--;  in pxPortInitialiseStack()
165         *pxTopOfStack = ( StackType_t ) 0x07;   /* R7 - other parameters and temporaries. */  in pxPortInitialiseStack()
166         pxTopOfStack--;  in pxPortInitialiseStack()
167         *pxTopOfStack = ( StackType_t ) 0x08;   /* R8 - other parameters and temporaries. */  in pxPortInitialiseStack()
168         pxTopOfStack--;  in pxPortInitialiseStack()
169         *pxTopOfStack = ( StackType_t ) 0x09;   /* R9 - other parameters and temporaries. */  in pxPortInitialiseStack()
170         pxTopOfStack--;  in pxPortInitialiseStack()
171         *pxTopOfStack = ( StackType_t ) 0x0a;   /* R10 - other parameters and temporaries. */  in pxPortInitialiseStack()
172         pxTopOfStack--;  in pxPortInitialiseStack()
173         *pxTopOfStack = ( StackType_t ) 0x0b;   /* R11 - temporaries. */  in pxPortInitialiseStack()
174         pxTopOfStack--;  in pxPortInitialiseStack()
175         *pxTopOfStack = ( StackType_t ) 0x0c;   /* R12 - temporaries. */  in pxPortInitialiseStack()
176         pxTopOfStack--;  in pxPortInitialiseStack()
178         pxTopOfStack-= 8;  in pxPortInitialiseStack()
181     *pxTopOfStack = ( StackType_t ) ulR13;  /* R13 - read/write small data area. */  in pxPortInitialiseStack()
182     pxTopOfStack--;  in pxPortInitialiseStack()
183     *pxTopOfStack = ( StackType_t ) pxCode; /* R14 - return address for interrupt. */  in pxPortInitialiseStack()
184     pxTopOfStack--;  in pxPortInitialiseStack()
185     *pxTopOfStack = ( StackType_t ) NULL;   /* R15 - return address for subroutine. */  in pxPortInitialiseStack()
188         pxTopOfStack--;  in pxPortInitialiseStack()
189         *pxTopOfStack = ( StackType_t ) 0x10;   /* R16 - return address for trap (debugger). */  in pxPortInitialiseStack()
190         pxTopOfStack--;  in pxPortInitialiseStack()
191 …  *pxTopOfStack = ( StackType_t ) 0x11;   /* R17 - return address for exceptions, if configured. */  in pxPortInitialiseStack()
192         pxTopOfStack--;  in pxPortInitialiseStack()
193 …*pxTopOfStack = ( StackType_t ) 0x12;   /* R18 - reserved for assembler and compiler temporaries. …  in pxPortInitialiseStack()
194         pxTopOfStack--;  in pxPortInitialiseStack()
196         pxTopOfStack -= 4;  in pxPortInitialiseStack()
199 …*pxTopOfStack = ( StackType_t ) 0x00;   /* R19 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
202         pxTopOfStack--;  in pxPortInitialiseStack()
203 …*pxTopOfStack = ( StackType_t ) 0x14;   /* R20 - reserved for storing a pointer to the Global Offs…  in pxPortInitialiseStack()
204         pxTopOfStack--;  in pxPortInitialiseStack()
205 …*pxTopOfStack = ( StackType_t ) 0x15;   /* R21 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
206         pxTopOfStack--;  in pxPortInitialiseStack()
207 …*pxTopOfStack = ( StackType_t ) 0x16;   /* R22 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
208         pxTopOfStack--;  in pxPortInitialiseStack()
209 …*pxTopOfStack = ( StackType_t ) 0x17;   /* R23 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
210         pxTopOfStack--;  in pxPortInitialiseStack()
211 …*pxTopOfStack = ( StackType_t ) 0x18;   /* R24 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
212         pxTopOfStack--;  in pxPortInitialiseStack()
213 …*pxTopOfStack = ( StackType_t ) 0x19;   /* R25 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
214         pxTopOfStack--;  in pxPortInitialiseStack()
215 …*pxTopOfStack = ( StackType_t ) 0x1a;   /* R26 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
216         pxTopOfStack--;  in pxPortInitialiseStack()
217 …*pxTopOfStack = ( StackType_t ) 0x1b;   /* R27 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
218         pxTopOfStack--;  in pxPortInitialiseStack()
219 …*pxTopOfStack = ( StackType_t ) 0x1c;   /* R28 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
220         pxTopOfStack--;  in pxPortInitialiseStack()
221 …*pxTopOfStack = ( StackType_t ) 0x1d;   /* R29 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
222         pxTopOfStack--;  in pxPortInitialiseStack()
223 …*pxTopOfStack = ( StackType_t ) 0x1e;   /* R30 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
224         pxTopOfStack--;  in pxPortInitialiseStack()
225 …*pxTopOfStack = ( StackType_t ) 0x1f;   /* R31 - must be saved across function calls. Callee-save.…  in pxPortInitialiseStack()
226         pxTopOfStack--;  in pxPortInitialiseStack()
228         pxTopOfStack -= 13;  in pxPortInitialiseStack()
233     return pxTopOfStack;  in pxPortInitialiseStack()