Update the IAR RX62N port files, which are now functional.

This commit is contained in:
Richard Barry 2010-08-29 17:12:12 +00:00
parent a418d78163
commit 5c75dd907e
3 changed files with 84 additions and 86 deletions

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@ -33,9 +33,9 @@
FreeRTOS is distributed in the hope that it will be useful, but WITHOUT FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details. You should have received a copy of the GNU General Public more details. You should have received a copy of the GNU General Public
License and the FreeRTOS license exception along with FreeRTOS; if not it License and the FreeRTOS license exception along with FreeRTOS; if not it
can be viewed here: http://www.freertos.org/a00114.html and also obtained can be viewed here: http://www.freertos.org/a00114.html and also obtained
by writing to Richard Barry, contact details for whom are available on the by writing to Richard Barry, contact details for whom are available on the
FreeRTOS WEB site. FreeRTOS WEB site.
@ -63,7 +63,7 @@
* the current stack state only - comparing the current top of stack value to * the current stack state only - comparing the current top of stack value to
* the stack limit. Setting configCHECK_FOR_STACK_OVERFLOW to greater than 1 * the stack limit. Setting configCHECK_FOR_STACK_OVERFLOW to greater than 1
* will also cause the last few stack bytes to be checked to ensure the value * will also cause the last few stack bytes to be checked to ensure the value
* to which the bytes were set when the task was created have not been * to which the bytes were set when the task was created have not been
* overwritten. Note this second test does not guarantee that an overflowed * overwritten. Note this second test does not guarantee that an overflowed
* stack will always be recognised. * stack will always be recognised.
*/ */
@ -110,7 +110,7 @@
/* Only the current stack state is to be checked. */ /* Only the current stack state is to be checked. */
#define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \ #define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
{ \ { \
extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \ extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
\ \
/* Is the currently saved stack pointer within the stack limit? */ \ /* Is the currently saved stack pointer within the stack limit? */ \
if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack ) \ if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack ) \
@ -126,8 +126,8 @@
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
{ \ { \
extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \ extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
@ -148,9 +148,9 @@
#define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \ #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
{ \ { \
extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \ extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
char *pcEndOfStack = ( char * ) pxCurrentTCB->pxEndOfStack; \ char *pcEndOfStack = ( char * ) pxCurrentTCB->pxEndOfStack; \
static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \ tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \

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@ -69,8 +69,8 @@
/* Tasks should start with interrupts enabled and in Supervisor mode, therefore /* Tasks should start with interrupts enabled and in Supervisor mode, therefore
PSW is set with U and I set, and PM and IPL clear. */ PSW is set with U and I set, and PM and IPL clear. */
#define portINITIAL_PSW ( ( portSTACK_TYPE ) 0x00030000 ) #define portINITIAL_PSW ( ( portSTACK_TYPE ) 0x00030000 )
#define portINITIAL_FPSW ( ( portSTACK_TYPE ) 0x00000100 ) #define portINITIAL_FPSW ( ( portSTACK_TYPE ) 0x00000100 )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -188,7 +188,7 @@ extern void vApplicationSetupTimerInterrupt( void );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
#pragma vector = VECT_CMT0_CMI0 #pragma vector = configTICK_VECTOR
__interrupt void vTickISR( void ) __interrupt void vTickISR( void )
{ {
/* Re-enable interrupts. */ /* Re-enable interrupts. */

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@ -52,134 +52,132 @@
*/ */
PUBLIC _prvStartFirstTask PUBLIC _prvStartFirstTask
PUBLIC _vSoftwareInterruptISR PUBLIC ___interrupt_27
EXTERN _pxCurrentTCB EXTERN _pxCurrentTCB
EXTERN _vTaskSwitchContext EXTERN _vTaskSwitchContext
RSEG CODE:CODE(4) RSEG CODE:CODE(4)
_prvStartFirstTask: _prvStartFirstTask:
/* When starting the scheduler there is nothing that needs moving to the /* When starting the scheduler there is nothing that needs moving to the
interrupt stack because the function is not called from an interrupt. interrupt stack because the function is not called from an interrupt.
Just ensure the current stack is the user stack. */ Just ensure the current stack is the user stack. */
SETPSW U SETPSW U
/* Obtain the location of the stack associated with which ever task /* Obtain the location of the stack associated with which ever task
pxCurrentTCB is currently pointing to. */ pxCurrentTCB is currently pointing to. */
MOV.L #_pxCurrentTCB, R15 MOV.L #_pxCurrentTCB, R15
MOV.L [R15], R15 MOV.L [R15], R15
MOV.L [R15], R0 MOV.L [R15], R0
/* Restore the registers from the stack of the task pointed to by /* Restore the registers from the stack of the task pointed to by
pxCurrentTCB. */ pxCurrentTCB. */
POP R15 POP R15
/* Accumulator low 32 bits. */ /* Accumulator low 32 bits. */
MVTACLO R15 MVTACLO R15
POP R15 POP R15
/* Accumulator high 32 bits. */ /* Accumulator high 32 bits. */
MVTACHI R15 MVTACHI R15
POP R15 POP R15
/* Floating point status word. */ /* Floating point status word. */
MVTC R15, FPSW MVTC R15, FPSW
/* R1 to R15 - R0 is not included as it is the SP. */ /* R1 to R15 - R0 is not included as it is the SP. */
POPM R1-R15 POPM R1-R15
/* This pops the remaining registers. */ /* This pops the remaining registers. */
RTE RTE
NOP NOP
NOP NOP
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
_vSoftwareInterruptISR: /* The software interrupt - overwrite the default 'weak' definition. */
___interrupt_27:
/* Re-enable interrupts. */ /* Re-enable interrupts. */
SETPSW I SETPSW I
/* Move the data that was automatically pushed onto the interrupt stack when /* Move the data that was automatically pushed onto the interrupt stack when
the interrupt occurred from the interrupt stack to the user stack. the interrupt occurred from the interrupt stack to the user stack.
R15 is saved before it is clobbered. */ R15 is saved before it is clobbered. */
PUSH.L R15 PUSH.L R15
/* Read the user stack pointer. */ /* Read the user stack pointer. */
MVFC USP, R15 MVFC USP, R15
/* Move the address down to the data being moved. */ /* Move the address down to the data being moved. */
SUB #12, R15 SUB #12, R15
MVTC R15, USP MVTC R15, USP
/* Copy the data across, R15, then PC, then PSW. */ /* Copy the data across, R15, then PC, then PSW. */
MOV.L [ R0 ], [ R15 ] MOV.L [ R0 ], [ R15 ]
MOV.L 4[ R0 ], 4[ R15 ] MOV.L 4[ R0 ], 4[ R15 ]
MOV.L 8[ R0 ], 8[ R15 ] MOV.L 8[ R0 ], 8[ R15 ]
/* Move the interrupt stack pointer to its new correct position. */ /* Move the interrupt stack pointer to its new correct position. */
ADD #12, R0 ADD #12, R0
/* All the rest of the registers are saved directly to the user stack. */ /* All the rest of the registers are saved directly to the user stack. */
SETPSW U SETPSW U
/* Save the rest of the general registers (R15 has been saved already). */ /* Save the rest of the general registers (R15 has been saved already). */
PUSHM R1-R14 PUSHM R1-R14
/* Save the FPSW and accumulator. */ /* Save the FPSW and accumulator. */
MVFC FPSW, R15 MVFC FPSW, R15
PUSH.L R15 PUSH.L R15
MVFACHI R15 MVFACHI R15
PUSH.L R15 PUSH.L R15
/* Middle word. */ /* Middle word. */
MVFACMI R15 MVFACMI R15
/* Shifted left as it is restored to the low order word. */ /* Shifted left as it is restored to the low order word. */
SHLL #16, R15 SHLL #16, R15
PUSH.L R15 PUSH.L R15
/* Save the stack pointer to the TCB. */ /* Save the stack pointer to the TCB. */
MOV.L #_pxCurrentTCB, R15 MOV.L #_pxCurrentTCB, R15
MOV.L [ R15 ], R15 MOV.L [ R15 ], R15
MOV.L R0, [ R15 ] MOV.L R0, [ R15 ]
/* Ensure the interrupt mask is set to the syscall priority while the kernel /* Ensure the interrupt mask is set to the syscall priority while the kernel
structures are being accessed. */ structures are being accessed. */
MVTIPL #4 MVTIPL #4
/* Select the next task to run. */ /* Select the next task to run. */
BSR.A _vTaskSwitchContext BSR.A _vTaskSwitchContext
/* Reset the interrupt mask as no more data structure access is required. */ /* Reset the interrupt mask as no more data structure access is required. */
MVTIPL #1 MVTIPL #1
/* Load the stack pointer of the task that is now selected as the Running /* Load the stack pointer of the task that is now selected as the Running
state task from its TCB. */ state task from its TCB. */
MOV.L #_pxCurrentTCB,R15 MOV.L #_pxCurrentTCB,R15
MOV.L [ R15 ], R15 MOV.L [ R15 ], R15
MOV.L [ R15 ], R0 MOV.L [ R15 ], R0
/* Restore the context of the new task. The PSW (Program Status Word) and /* Restore the context of the new task. The PSW (Program Status Word) and
PC will be popped by the RTE instruction. */ PC will be popped by the RTE instruction. */
POP R15 POP R15
MVTACLO R15 MVTACLO R15
POP R15 POP R15
MVTACHI R15 MVTACHI R15
POP R15 POP R15
MVTC R15, FPSW MVTC R15, FPSW
POPM R1-R15 POPM R1-R15
RTE RTE
NOP NOP
NOP NOP
/*:: i(configMAX_SYSCALL_INTERRUPT_PRIORITY), i(configKERNEL_INTERRUPT_PRIORITY)*/
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
END END