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+ The macro portENTER_SWITCHING_ISR() no longer attempts to use the frame pointer. Variables declared within ISRs must now be declared static.

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Richard Barry 2007-10-26 09:52:15 +00:00
parent 98a9959a44
commit a3921adfe1
5 changed files with 15 additions and 25 deletions
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9
Source/portable/GCC/ARM7_LPC2000/portmacro.h
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@ -47,6 +47,9 @@
+ The assembler statements are now included in a single asm block rather
than each line having its own asm block.
+ The macro portENTER_SWITCHING_ISR() no longer attempts to use the frame
pointer. Variables declared within ISRs must now be declared static.
*/
#ifndef PORTMACRO_H
@ -190,12 +193,6 @@ extern volatile unsigned portLONG ulCriticalNesting; \
#define portENTER_SWITCHING_ISR() \
/* Save the context of the interrupted task. */ \
portSAVE_CONTEXT(); \
\
/* We don't know the stack requirements for the ISR, so the frame */\
/* pointer will be set to the top of the task stack, and the stack*/\
/* pointer left where it is. The IRQ stack will get used for any */\
/* functions calls made by this ISR. */ \
asm volatile ( "SUB R11, LR, #4" ); \
{
#define portEXIT_SWITCHING_ISR( SwitchRequired ) \