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Still a work in progress. Need to add flop support.

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This commit is contained in:
Richard Barry 2010-01-15 17:18:47 +00:00
parent 1aa471d0ec
commit 188a2c0cc1
3 changed files with 165 additions and 93 deletions
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131
Source/portable/Renesas/SH2A_FPU/port.c
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@ -1,5 +1,5 @@
/*
FreeRTOS V6.0.1 - Copyright (C) 2009 Real Time Engineers Ltd.
FreeRTOS V6.0.2 - Copyright (C) 2009 Real Time Engineers Ltd.
***************************************************************************
* *
@ -102,61 +102,85 @@ pxTopOfStack--;
*pxTopOfStack = portINITIAL_SR;
pxTopOfStack--;
/* PC then MACL, MACH. */
// *pxTopOfStack = ( unsigned long ) pxCode;
// pxTopOfStack -= 3;
*pxTopOfStack = ( unsigned long ) pxCode;
pxTopOfStack--;
*pxTopOfStack = 0xffffUL;
pxTopOfStack--;
*pxTopOfStack = 0xeeeeUL;
pxTopOfStack--;
/* PC. */
*pxTopOfStack = ( unsigned long ) pxCode;
pxTopOfStack--;
/* GBR then PR, R14-R5. */
// *pxTopOfStack = ulPortGetGBR();
// pxTopOfStack -= 12;
*pxTopOfStack = 0x00UL;
pxTopOfStack--;
*pxTopOfStack = 0x11UL;
pxTopOfStack--;
*pxTopOfStack = 0x22UL;
pxTopOfStack--;
*pxTopOfStack = 0x33UL;
pxTopOfStack--;
*pxTopOfStack = 0x44UL;
pxTopOfStack--;
*pxTopOfStack = 0x55UL;
pxTopOfStack--;
*pxTopOfStack = 0x66UL;
pxTopOfStack--;
*pxTopOfStack = 0x77UL;
pxTopOfStack--;
*pxTopOfStack = 0x88UL;
pxTopOfStack--;
*pxTopOfStack = 0x99UL;
pxTopOfStack--;
*pxTopOfStack = 0xaaUL;
pxTopOfStack--;
*pxTopOfStack = 0xbbUL;
pxTopOfStack--;
/* PR. */
*pxTopOfStack = 15;
pxTopOfStack--;
/* 14. */
*pxTopOfStack = 14;
pxTopOfStack--;
/* Parameters in R4 then R3-R0. */
// *pxTopOfStack = ( unsigned long ) pvParameters;
// pxTopOfStack -= 5;
/* R13. */
*pxTopOfStack = 13;
pxTopOfStack--;
*pxTopOfStack = 0x1UL;
pxTopOfStack--;
*pxTopOfStack = 0x2UL;
pxTopOfStack--;
*pxTopOfStack = 0x3UL;
pxTopOfStack--;
*pxTopOfStack = 0x4UL;
pxTopOfStack--;
*pxTopOfStack = 0x5UL;
//pxTopOfStack--;
/* R12. */
*pxTopOfStack = 12;
pxTopOfStack--;
/* R11. */
*pxTopOfStack = 11;
pxTopOfStack--;
/* R10. */
*pxTopOfStack = 10;
pxTopOfStack--;
/* R9. */
*pxTopOfStack = 9;
pxTopOfStack--;
/* R8. */
*pxTopOfStack = 8;
pxTopOfStack--;
/* R7. */
*pxTopOfStack = 7;
pxTopOfStack--;
/* R6. */
*pxTopOfStack = 6;
pxTopOfStack--;
/* R5. */
*pxTopOfStack = 5;
pxTopOfStack--;
/* R4. */
*pxTopOfStack = ( unsigned long ) pvParameters;
pxTopOfStack--;
/* R3. */
*pxTopOfStack = 3;
pxTopOfStack--;
/* R2. */
*pxTopOfStack = 2;
pxTopOfStack--;
/* R1. */
*pxTopOfStack = 1;
pxTopOfStack--;
/* R0 */
*pxTopOfStack = 0;
pxTopOfStack--;
/* MACL. */
*pxTopOfStack = 16;
pxTopOfStack--;
/* MACH. */
*pxTopOfStack = 17;
pxTopOfStack--;
/* GBR. */
*pxTopOfStack = ulPortGetGBR();
/* GBR = global base register.
VBR = vector base register.
TBR = jump table base register.
@ -169,7 +193,7 @@ pxTopOfStack--;
portBASE_TYPE xPortStartScheduler( void )
{
/* Start the tick interrupt. */
// prvSetupTimerInterrupt();
prvSetupTimerInterrupt();
/* Start the first task. */
trapa( 32 );
@ -207,3 +231,6 @@ extern void vApplicationSetupTimerInterrupt( void );