len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-04-19 21:11:57 -04:00
Code Issues Packages Projects Releases Wiki Activity

Accomodates wizC V14.00B and up with full optimisations.

Browse source 
Thanks Marcel.
This commit is contained in:
Richard Barry 2007-04-22 10:50:03 +00:00
parent b36ba44e0d
commit 5a3272cdca
2 changed files with 15 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
Source/portable/WizC/PIC18/port.c
View file

@ -34,6 +34,10 @@
*/
/*
Changes from V4.2.1
+ CallReturn Depth increased from 10 to 12 levels to accomodate wizC/fedC V14.
+CodeOptions added to disable the wizC/fedC optimiser within asm
Changes from V3.2.1
+ CallReturn Depth increased from 8 to 10 levels to accomodate wizC/fedC V12.
@ -92,7 +96,7 @@ extern volatile tskTCB * volatile pxCurrentTCB;
#define portSTACK_CALLRETURN_ENTRY_SIZE ( 2 )
#endif
#define portSTACK_MINIMAL_CALLRETURN_DEPTH ( 10 )
#define portSTACK_MINIMAL_CALLRETURN_DEPTH ( 12 )
#define portSTACK_OTHER_BYTES ( 20 )
unsigned portSHORT usCalcMinStackSize = 0;
@ -121,8 +125,10 @@ unsigned portCHAR ucScratch;
* We do this here already to avoid W-register conflicts.
*/
_Pragma("asm")
dupmodoff
movlw OVERHEADPAGE0-LOCOPTSIZE+MAXLOCOPTSIZE
movwf PRODL,ACCESS ; PRODL is used as temp register
dupmodon
_Pragma("asmend")
ucScratch = PRODL;
@ -214,9 +220,11 @@ unsigned portSHORT usPortCALCULATE_MINIMAL_STACK_SIZE( void )
* Fetch the size of compiler's scratchspace.
*/
_Pragma("asm")
dupmodoff
movlw OVERHEADPAGE0-LOCOPTSIZE+MAXLOCOPTSIZE
movlb usCalcMinStackSize>>8
movwf usCalcMinStackSize,BANKED
dupmodon
_Pragma("asmend")
/*

6
Source/portable/WizC/PIC18/portmacro.h
View file

@ -209,6 +209,7 @@ extern unsigned portSHORT usCalcMinStackSize;
portDISABLE_INTERRUPTS(); \
\
_Pragma("asm") \
dupmodoff \
; \
; Push the relevant SFR's onto the task's stack \
; \
@ -282,6 +283,7 @@ extern unsigned portSHORT usCalcMinStackSize;
movff pxCurrentTCB+1,FSR0H \
movff FSR2L,POSTINC0 \
movff FSR2H,POSTINC0 \
dupmodon \
_Pragma("asmend") \
} while(0)
@ -294,6 +296,7 @@ extern unsigned portSHORT usCalcMinStackSize;
do \
{ \
_Pragma("asm") \
dupmodoff \
; \
; Set FSR0 to point to pxCurrentTCB->pxTopOfStack. \
; \
@ -393,6 +396,7 @@ extern unsigned portSHORT usCalcMinStackSize;
movff PREINC2,WREG \
movff PREINC2,STATUS \
return 0 ; Return without affecting interrupts \
dupmodon \
_Pragma("asmend") \
} while(0)
@ -406,7 +410,9 @@ extern void vPortYield( void );
#define portYIELD() vPortYield()
#define portNOP() _Pragma("asm") \
dupmodoff \
nop \
dupmodon \
_Pragma("asmend")
/*-----------------------------------------------------------*/