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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5117 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2013-02-06 10:25:53 +00:00
parent 6b7d664946
commit 6ef7af4710
8 changed files with 116 additions and 256 deletions
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5
os/ports/GCC/PPC/SPC560BCxx/ppcparams.h
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@ -62,6 +62,11 @@
*/ */
#define PPC_SUPPORTS_VLE_MULTI TRUE #define PPC_SUPPORTS_VLE_MULTI TRUE
/**
* @brief Supports the decrementer timer.
*/
#define PPC_SUPPORTS_DECREMENTER FALSE
#endif /* _PPCPARAMS_H_ */ #endif /* _PPCPARAMS_H_ */
/** @} */ /** @} */

5
os/ports/GCC/PPC/SPC560Pxx/ppcparams.h
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@ -62,6 +62,11 @@
*/ */
#define PPC_SUPPORTS_VLE_MULTI TRUE #define PPC_SUPPORTS_VLE_MULTI TRUE
/**
* @brief Supports the decrementer timer.
*/
#define PPC_SUPPORTS_DECREMENTER FALSE
#endif /* _PPCPARAMS_H_ */ #endif /* _PPCPARAMS_H_ */
/** @} */ /** @} */

5
os/ports/GCC/PPC/SPC563Mxx/ppcparams.h
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@ -57,6 +57,11 @@
*/ */
#define PPC_SUPPORTS_VLE_MULTI TRUE #define PPC_SUPPORTS_VLE_MULTI TRUE
/**
* @brief Supports the decrementer timer.
*/
#define PPC_SUPPORTS_DECREMENTER TRUE
#endif /* _PPCPARAMS_H_ */ #endif /* _PPCPARAMS_H_ */
/** @} */ /** @} */

82
os/ports/GCC/PPC/SPC56ELxx/bam.s
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@ -85,63 +85,39 @@
/* Special function registers clearing, required in order to avoid /* Special function registers clearing, required in order to avoid
possible problems with lockstep mode.*/ possible problems with lockstep mode.*/
mtcrf 0xFF, r31 mtcrf 0xFF, %r31
mtspr 8, r31 /* LR */ mtspr 8, %r31 /* LR */
mtspr 9, r31 /* CTR */ mtspr 9, %r31 /* CTR */
mtspr 272, r31 /* SPRG1-7 */ mtspr 272, %r31 /* SPRG1-7 */
mtspr 273, r31 mtspr 273, %r31
mtspr 274, r31 mtspr 274, %r31
mtspr 275, r31 mtspr 275, %r31
mtspr 276, r31 mtspr 276, %r31
mtspr 277, r31 mtspr 277, %r31
mtspr 278, r31 mtspr 278, %r31
mtspr 279, r31 mtspr 279, %r31
mtspr 604, r31 /* SPRG8-9 */ mtspr 604, %r31 /* SPRG8-9 */
mtspr 605, r31 mtspr 605, %r31
mtspr 26, r31 /* SRR0-1 */ mtspr 26, %r31 /* SRR0-1 */
mtspr 27, r31 mtspr 27, %r31
mtspr 58, r31 /* CSRR0-1 */ mtspr 58, %r31 /* CSRR0-1 */
mtspr 59, r31 mtspr 59, %r31
mtspr 61, r31 /* DEAR */ mtspr 61, %r31 /* DEAR */
mtspr 22, %r31 /* DEC */
mtspr 22, r31 /* DEC */ mtspr 54, %r31 /* DECAR */
mtspr 54, r31 /* DECAR */ mtspr 285, %r31 /* TBU */
mtspr 285, r31 /* TBU */ mtspr 284, %r31 /* TBL */
mtspr 284, r31 /* TBL */ mtspr 570, %r31 /* MCSRR0 */
mtspr 571, %r31 /* MCSRR1 */
mtspr 570, r31 /* MCSRR0 */ mtspr 256, %r31 /* USPRG0 */
mtspr 571, r31 /* MCSRR1 */ mtspr 562, %r31 /* DBCNT */
mtspr 318, %r31 /* DVC1-2 */
mtspr 256, r31 /* USPRG0 */ mtspr 319, %r31
mtspr 562, r31 /* DBCNT */
mtspr 63, r31 /* IVPR */
mtspr 318, r31 /* DVC1-2 */
mtspr 319, r31
mtspr 400, r31 /* IVOR0-15 */
mtspr 401, r31
mtspr 402, r31
mtspr 403, r31
mtspr 404, r31
mtspr 405, r31
mtspr 406, r31
mtspr 407, r31
mtspr 408, r31
mtspr 409, r31
mtspr 410, r31
mtspr 411, r31
mtspr 412, r31
mtspr 413, r31
mtspr 414, r31
mtspr 415, r31
mtspr 528, r31 /* IVOR32-34 */
mtspr 529, r31
mtspr 530, r31
/* HW configuration.*/ /* HW configuration.*/
bl _hwconf bl _hwconf
bl _ivorinit
b _boot_address b _boot_address

8
os/ports/GCC/PPC/SPC56ELxx/hwconf.s
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@ -153,12 +153,12 @@
#if !defined(__DOXYGEN__) #if !defined(__DOXYGEN__)
.section .hwconf, "ax" .section .coreinit, "ax"
.align 2 .align 2
.globl _hwconf .globl _coreinit
.type _hwconf, @function .type _coreinit, @function
_hwconf: _coreinit:
/* MSR settings.*/ /* MSR settings.*/
lis r3, MSR_DEFAULT@h lis r3, MSR_DEFAULT@h
ori r3, r3, MSR_DEFAULT@l ori r3, r3, MSR_DEFAULT@l

213
os/ports/GCC/PPC/SPC56ELxx/ivor.s
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@ -42,6 +42,44 @@
.section .handlers, "ax" .section .handlers, "ax"
.align 2
.globl _ivorinit
.type _ivorinit, @function
_ivorinit:
/*
* IVPR initialization.
*/
lis %r4, __ivpr_base__@h
ori %r4, %r4, __ivpr_base__@l
mtIVPR %r4
/*
* IVOR default settings.
*/
lis %r4, _unhandled_exception@h
ori %r4, %r4, _unhandled_exception@l
mtspr 400, %r4 /* IVOR0-15 */
mtspr 401, %r4
mtspr 402, %r4
mtspr 403, %r4
mtspr 404, %r4
mtspr 405, %r4
mtspr 406, %r4
mtspr 407, %r4
mtspr 408, %r4
mtspr 409, %r4
mtspr 410, %r4
mtspr 411, %r4
mtspr 412, %r4
mtspr 413, %r4
mtspr 414, %r4
mtspr 415, %r4
mtspr 528, %r4 /* IVOR32-34 */
mtspr 529, %r4
mtspr 530, %r4
blr
/* /*
* Unhandled exceptions handler. * Unhandled exceptions handler.
*/ */
@ -78,181 +116,6 @@ _IVOR15:
_unhandled_exception: _unhandled_exception:
b _unhandled_exception b _unhandled_exception
/*
* _IVOR10 handler (Book-E decrementer).
*/
.align 4
.globl _IVOR10
.type _IVOR10, @function
_IVOR10:
/* Creation of the external stack frame (extctx structure).*/
stwu %sp, -80(%sp) /* Size of the extctx structure.*/
#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI
e_stmvsrrw 8(%sp) /* Saves PC, MSR. */
e_stmvsprw 16(%sp) /* Saves CR, LR, CTR, XER. */
e_stmvgprw 32(%sp) /* Saves GPR0, GPR3...GPR12. */
#else /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
stw %r0, 32(%sp) /* Saves GPR0. */
mfSRR0 %r0
stw %r0, 8(%sp) /* Saves PC. */
mfSRR1 %r0
stw %r0, 12(%sp) /* Saves MSR. */
mfCR %r0
stw %r0, 16(%sp) /* Saves CR. */
mfLR %r0
stw %r0, 20(%sp) /* Saves LR. */
mfCTR %r0
stw %r0, 24(%sp) /* Saves CTR. */
mfXER %r0
stw %r0, 28(%sp) /* Saves XER. */
stw %r3, 36(%sp) /* Saves GPR3...GPR12. */
stw %r4, 40(%sp)
stw %r5, 44(%sp)
stw %r6, 48(%sp)
stw %r7, 52(%sp)
stw %r8, 56(%sp)
stw %r9, 60(%sp)
stw %r10, 64(%sp)
stw %r11, 68(%sp)
stw %r12, 72(%sp)
#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
/* Reset DIE bit in TSR register.*/
lis %r3, 0x0800 /* DIS bit mask. */
mtspr 336, %r3 /* TSR register. */
#if CH_DBG_SYSTEM_STATE_CHECK
bl dbg_check_enter_isr
bl dbg_check_lock_from_isr
#endif
bl chSysTimerHandlerI
#if CH_DBG_SYSTEM_STATE_CHECK
bl dbg_check_unlock_from_isr
bl dbg_check_leave_isr
#endif
/* System tick handler invocation.*/
#if CH_DBG_SYSTEM_STATE_CHECK
bl dbg_check_lock
#endif
bl chSchIsPreemptionRequired
cmpli cr0, %r3, 0
beq cr0, _ivor_exit
bl chSchDoReschedule
b _ivor_exit
/*
* _IVOR4 handler (Book-E external interrupt).
*/
.align 4
.globl _IVOR4
.type _IVOR4, @function
_IVOR4:
/* Creation of the external stack frame (extctx structure).*/
stwu %sp, -80(%sp) /* Size of the extctx structure.*/
#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI
e_stmvsrrw 8(%sp) /* Saves PC, MSR. */
e_stmvsprw 16(%sp) /* Saves CR, LR, CTR, XER. */
e_stmvgprw 32(%sp) /* Saves GPR0, GPR3...GPR12. */
#else /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
stw %r0, 32(%sp) /* Saves GPR0. */
mfSRR0 %r0
stw %r0, 8(%sp) /* Saves PC. */
mfSRR1 %r0
stw %r0, 12(%sp) /* Saves MSR. */
mfCR %r0
stw %r0, 16(%sp) /* Saves CR. */
mfLR %r0
stw %r0, 20(%sp) /* Saves LR. */
mfCTR %r0
stw %r0, 24(%sp) /* Saves CTR. */
mfXER %r0
stw %r0, 28(%sp) /* Saves XER. */
stw %r3, 36(%sp) /* Saves GPR3...GPR12. */
stw %r4, 40(%sp)
stw %r5, 44(%sp)
stw %r6, 48(%sp)
stw %r7, 52(%sp)
stw %r8, 56(%sp)
stw %r9, 60(%sp)
stw %r10, 64(%sp)
stw %r11, 68(%sp)
stw %r12, 72(%sp)
#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
/* Software vector address from the INTC register.*/
lis %r3, INTC_IACKR@h
ori %r3, %r3, INTC_IACKR@l /* IACKR register address. */
lwz %r3, 0(%r3) /* IACKR register value. */
lwz %r3, 0(%r3)
mtCTR %r3 /* Software handler address. */
#if PPC_USE_IRQ_PREEMPTION
/* Allows preemption while executing the software handler.*/
wrteei 1
#endif
/* Exectes the software handler.*/
bctrl
#if PPC_USE_IRQ_PREEMPTION
/* Prevents preemption again.*/
wrteei 0
#endif
/* Informs the INTC that the interrupt has been served.*/
mbar 0
lis %r3, INTC_EOIR@h
ori %r3, %r3, INTC_EOIR@l
stw %r3, 0(%r3) /* Writing any value should do. */
/* Verifies if a reschedule is required.*/
#if CH_DBG_SYSTEM_STATE_CHECK
bl dbg_check_lock
#endif
bl chSchIsPreemptionRequired
cmpli cr0, %r3, 0
beq cr0, _ivor_exit
bl chSchDoReschedule
/* Context restore.*/
.globl _ivor_exit
_ivor_exit:
#if CH_DBG_SYSTEM_STATE_CHECK
bl dbg_check_unlock
#endif
#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI
e_lmvgprw 32(%sp) /* Restores GPR0, GPR3...GPR12. */
e_lmvsprw 16(%sp) /* Restores CR, LR, CTR, XER. */
e_lmvsrrw 8(%sp) /* Restores PC, MSR. */
#else /*!(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
lwz %r3, 36(%sp) /* Restores GPR3...GPR12. */
lwz %r4, 40(%sp)
lwz %r5, 44(%sp)
lwz %r6, 48(%sp)
lwz %r7, 52(%sp)
lwz %r8, 56(%sp)
lwz %r9, 60(%sp)
lwz %r10, 64(%sp)
lwz %r11, 68(%sp)
lwz %r12, 72(%sp)
lwz %r0, 8(%sp)
mtSRR0 %r0 /* Restores PC. */
lwz %r0, 12(%sp)
mtSRR1 %r0 /* Restores MSR. */
lwz %r0, 16(%sp)
mtCR %r0 /* Restores CR. */
lwz %r0, 20(%sp)
mtLR %r0 /* Restores LR. */
lwz %r0, 24(%sp)
mtCTR %r0 /* Restores CTR. */
lwz %r0, 28(%sp)
mtXER %r0 /* Restores XER. */
lwz %r0, 32(%sp) /* Restores GPR0. */
#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */
addi %sp, %sp, 80 /* Back to the previous frame. */
rfi
#endif /* !defined(__DOXYGEN__) */ #endif /* !defined(__DOXYGEN__) */
/** @} */ /** @} */

5
os/ports/GCC/PPC/SPC56ELxx/port.mk
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@ -3,9 +3,10 @@ PORTSRC = ${CHIBIOS}/os/ports/GCC/PPC/chcore.c
PORTASM = ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/bam.s \ PORTASM = ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/bam.s \
${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/hwconf.s \ ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/hwconf.s \
${CHIBIOS}/os/ports/GCC/PPC/crt0.s \
${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/ivor.s \ ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/ivor.s \
${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/vectors.s ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/vectors.s \
${CHIBIOS}/os/ports/GCC/PPC/isr.s \
${CHIBIOS}/os/ports/GCC/PPC/crt0.s
PORTINC = ${CHIBIOS}/os/ports/GCC/PPC \ PORTINC = ${CHIBIOS}/os/ports/GCC/PPC \
${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx

5
os/ports/GCC/PPC/SPC56ELxx/ppcparams.h
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@ -62,6 +62,11 @@
*/ */
#define PPC_SUPPORTS_VLE_MULTI TRUE #define PPC_SUPPORTS_VLE_MULTI TRUE
/**
* @brief Supports the decrementer timer.
*/
#define PPC_SUPPORTS_DECREMENTER TRUE
#endif /* _PPCPARAMS_H_ */ #endif /* _PPCPARAMS_H_ */
/** @} */ /** @} */