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Style: Revert uncrustify for portable directories (#122)
* Style: revert uncrustify portable directories * Style: Uncrustify Some Portable files Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
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alfred gedeon
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273 changed files with 64802 additions and 65931 deletions
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@ -26,23 +26,23 @@
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*/
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/*
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* Changes from V1.00:
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*
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+ pxPortInitialiseStack() now initialises the stack of new tasks to the
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+ same format used by the compiler. This allows the compiler generated
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+ interrupt mechanism to be used for context switches.
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+
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+ Changes from V2.4.2:
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+
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+ pvPortMalloc and vPortFree have been removed. The projects now use
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+ the definitions from the source/portable/MemMang directory.
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+
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+ Changes from V2.6.1:
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+
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+ usPortCheckFreeStackSpace() has been moved to tasks.c.
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*/
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Changes from V1.00:
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+ pxPortInitialiseStack() now initialises the stack of new tasks to the
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same format used by the compiler. This allows the compiler generated
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interrupt mechanism to be used for context switches.
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Changes from V2.4.2:
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+ pvPortMalloc and vPortFree have been removed. The projects now use
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the definitions from the source/portable/MemMang directory.
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Changes from V2.6.1:
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+ usPortCheckFreeStackSpace() has been moved to tasks.c.
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*/
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#include <stdlib.h>
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#include "FreeRTOS.h"
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@ -50,95 +50,92 @@
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/*-----------------------------------------------------------*/
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/* See header file for description. */
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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StackType_t DS_Reg = 0, * pxOriginalSP;
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StackType_t DS_Reg = 0, *pxOriginalSP;
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/* Place a few bytes of known values on the bottom of the stack.
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* This is just useful for debugging. */
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/* Place a few bytes of known values on the bottom of the stack.
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This is just useful for debugging. */
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*pxTopOfStack = 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = 0x3333;
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pxTopOfStack--;
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*pxTopOfStack = 0x4444;
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pxTopOfStack--;
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*pxTopOfStack = 0x5555;
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pxTopOfStack--;
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*pxTopOfStack = 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = 0x3333;
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pxTopOfStack--;
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*pxTopOfStack = 0x4444;
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pxTopOfStack--;
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*pxTopOfStack = 0x5555;
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pxTopOfStack--;
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/*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */
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/*lint -e950 -e611 -e923 Lint doesn't like this much - but nothing I can do about it. */
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/* We are going to start the scheduler using a return from interrupt
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* instruction to load the program counter, so first there would be the
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* status register and interrupt return address. We make this the start
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* of the task. */
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*pxTopOfStack = portINITIAL_SW;
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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/* We are going to start the scheduler using a return from interrupt
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instruction to load the program counter, so first there would be the
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status register and interrupt return address. We make this the start
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of the task. */
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*pxTopOfStack = portINITIAL_SW;
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pxCode );
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxCode );
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pxTopOfStack--;
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/* We are going to setup the stack for the new task to look like
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* the stack frame was setup by a compiler generated ISR. We need to know
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* the address of the existing stack top to place in the SP register within
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* the stack frame. pxOriginalSP holds SP before (simulated) pusha was
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* called. */
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pxOriginalSP = pxTopOfStack;
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/* We are going to setup the stack for the new task to look like
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the stack frame was setup by a compiler generated ISR. We need to know
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the address of the existing stack top to place in the SP register within
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the stack frame. pxOriginalSP holds SP before (simulated) pusha was
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called. */
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pxOriginalSP = pxTopOfStack;
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/* The remaining registers would be pushed on the stack by our context
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* switch function. These are loaded with values simply to make debugging
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* easier. */
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pvParameters ); /* DX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxOriginalSP ); /* SP */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
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/* The remaining registers would be pushed on the stack by our context
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switch function. These are loaded with values simply to make debugging
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easier. */
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xCCCC; /* CX */
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pxTopOfStack--;
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*pxTopOfStack = FP_SEG( pvParameters ); /* DX */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BX */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pxOriginalSP ); /* SP */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xBBBB; /* BP */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x0123; /* SI */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xDDDD; /* DI */
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/* We need the true data segment. */
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__asm {
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MOV DS_Reg, DS
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};
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/* We need the true data segment. */
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__asm{ MOV DS_Reg, DS };
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pxTopOfStack--;
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*pxTopOfStack = DS_Reg; /* DS */
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pxTopOfStack--;
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*pxTopOfStack = DS_Reg; /* DS */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xEEEE; /* ES */
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/* The AX register is pushed again twice - don't know why. */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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/* The AX register is pushed again twice - don't know why. */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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pxTopOfStack--;
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*pxTopOfStack = FP_OFF( pvParameters ); /* AX */
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#ifdef DEBUG_BUILD
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#ifdef DEBUG_BUILD
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/* The compiler adds space to each ISR stack if building to
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include debug information. Presumably this is used by the
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debugger - we don't need to initialise it to anything just
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make sure it is there. */
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pxTopOfStack--;
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#endif
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/* The compiler adds space to each ISR stack if building to
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* include debug information. Presumably this is used by the
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* debugger - we don't need to initialise it to anything just
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* make sure it is there. */
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pxTopOfStack--;
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#endif
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/*lint +e950 +e611 +e923 */
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/*lint +e950 +e611 +e923 */
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return pxTopOfStack;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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