diff options
author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-06 10:25:53 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-06 10:25:53 +0000 |
commit | 6ef7af471057d28b3f444094949b08ac06b249a7 (patch) | |
tree | 8ba2a8dbe2d3275402c6496b2ed18d250ad99188 /os/ports | |
parent | 6b7d664946582f084ae30c920c389d074819ad09 (diff) | |
download | ChibiOS-6ef7af471057d28b3f444094949b08ac06b249a7.tar.gz ChibiOS-6ef7af471057d28b3f444094949b08ac06b249a7.tar.bz2 ChibiOS-6ef7af471057d28b3f444094949b08ac06b249a7.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5117 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports')
-rw-r--r-- | os/ports/GCC/PPC/SPC560BCxx/ppcparams.h | 17 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC560Pxx/ppcparams.h | 15 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC563Mxx/ppcparams.h | 15 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/bam.s | 84 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/hwconf.s | 8 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/ivor.s | 213 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/port.mk | 5 | ||||
-rw-r--r-- | os/ports/GCC/PPC/SPC56ELxx/ppcparams.h | 17 |
8 files changed, 117 insertions, 257 deletions
diff --git a/os/ports/GCC/PPC/SPC560BCxx/ppcparams.h b/os/ports/GCC/PPC/SPC560BCxx/ppcparams.h index c50b644e0..5d4d9a37e 100644 --- a/os/ports/GCC/PPC/SPC560BCxx/ppcparams.h +++ b/os/ports/GCC/PPC/SPC560BCxx/ppcparams.h @@ -35,32 +35,37 @@ /**
* @brief PPC core model.
*/
-#define PPC_VARIANT PPC_VARIANT_e200z0
+#define PPC_VARIANT PPC_VARIANT_e200z0
/**
* @brief Number of writable bits in IVPR register.
*/
-#define PPC_IVPR_BITS 20
+#define PPC_IVPR_BITS 20
/**
* @brief IVORx registers support.
*/
-#define PPC_SUPPORTS_IVORS FALSE
+#define PPC_SUPPORTS_IVORS FALSE
/**
* @brief Book E instruction set support.
*/
-#define PPC_SUPPORTS_BOOKE FALSE
+#define PPC_SUPPORTS_BOOKE FALSE
/**
* @brief VLE instruction set support.
*/
-#define PPC_SUPPORTS_VLE TRUE
+#define PPC_SUPPORTS_VLE TRUE
/**
* @brief Supports VLS Load/Store Multiple Volatile instructions.
*/
-#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_ */
diff --git a/os/ports/GCC/PPC/SPC560Pxx/ppcparams.h b/os/ports/GCC/PPC/SPC560Pxx/ppcparams.h index 8b4040bb5..7f075ee0d 100644 --- a/os/ports/GCC/PPC/SPC560Pxx/ppcparams.h +++ b/os/ports/GCC/PPC/SPC560Pxx/ppcparams.h @@ -40,27 +40,32 @@ /**
* @brief Number of writable bits in IVPR register.
*/
-#define PPC_IVPR_BITS 16
+#define PPC_IVPR_BITS 16
/**
* @brief IVORx registers support.
*/
-#define PPC_SUPPORTS_IVORS FALSE
+#define PPC_SUPPORTS_IVORS FALSE
/**
* @brief Book E instruction set support.
*/
-#define PPC_SUPPORTS_BOOKE FALSE
+#define PPC_SUPPORTS_BOOKE FALSE
/**
* @brief VLE instruction set support.
*/
-#define PPC_SUPPORTS_VLE TRUE
+#define PPC_SUPPORTS_VLE TRUE
/**
* @brief Supports VLS Load/Store Multiple Volatile instructions.
*/
-#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_ */
diff --git a/os/ports/GCC/PPC/SPC563Mxx/ppcparams.h b/os/ports/GCC/PPC/SPC563Mxx/ppcparams.h index e8e843190..0b68313ce 100644 --- a/os/ports/GCC/PPC/SPC563Mxx/ppcparams.h +++ b/os/ports/GCC/PPC/SPC563Mxx/ppcparams.h @@ -35,27 +35,32 @@ /**
* @brief PPC core model.
*/
-#define PPC_VARIANT PPC_VARIANT_e200z3
+#define PPC_VARIANT PPC_VARIANT_e200z3
/**
* @brief IVORx registers support.
*/
-#define PPC_SUPPORTS_IVORS TRUE
+#define PPC_SUPPORTS_IVORS TRUE
/**
* @brief Book E instruction set support.
*/
-#define PPC_SUPPORTS_BOOKE TRUE
+#define PPC_SUPPORTS_BOOKE TRUE
/**
* @brief VLE instruction set support.
*/
-#define PPC_SUPPORTS_VLE TRUE
+#define PPC_SUPPORTS_VLE TRUE
/**
* @brief Supports VLS Load/Store Multiple Volatile instructions.
*/
-#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_ */
diff --git a/os/ports/GCC/PPC/SPC56ELxx/bam.s b/os/ports/GCC/PPC/SPC56ELxx/bam.s index d4f62795e..9d20aa056 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/bam.s +++ b/os/ports/GCC/PPC/SPC56ELxx/bam.s @@ -85,63 +85,39 @@ /* Special function registers clearing, required in order to avoid
possible problems with lockstep mode.*/
- mtcrf 0xFF, r31
- mtspr 8, r31 /* LR */
- mtspr 9, r31 /* CTR */
-
- mtspr 272, r31 /* SPRG1-7 */
- mtspr 273, r31
- mtspr 274, r31
- mtspr 275, r31
- mtspr 276, r31
- mtspr 277, r31
- mtspr 278, r31
- mtspr 279, r31
- mtspr 604, r31 /* SPRG8-9 */
- mtspr 605, r31
- mtspr 26, r31 /* SRR0-1 */
- mtspr 27, r31
- mtspr 58, r31 /* CSRR0-1 */
- mtspr 59, r31
- mtspr 61, r31 /* DEAR */
-
- mtspr 22, r31 /* DEC */
- mtspr 54, r31 /* DECAR */
- mtspr 285, r31 /* TBU */
- mtspr 284, r31 /* TBL */
-
- mtspr 570, r31 /* MCSRR0 */
- mtspr 571, r31 /* MCSRR1 */
-
- mtspr 256, r31 /* USPRG0 */
-
- 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
+ mtcrf 0xFF, %r31
+ mtspr 8, %r31 /* LR */
+ mtspr 9, %r31 /* CTR */
+
+ mtspr 272, %r31 /* SPRG1-7 */
+ mtspr 273, %r31
+ mtspr 274, %r31
+ mtspr 275, %r31
+ mtspr 276, %r31
+ mtspr 277, %r31
+ mtspr 278, %r31
+ mtspr 279, %r31
+ mtspr 604, %r31 /* SPRG8-9 */
+ mtspr 605, %r31
+ mtspr 26, %r31 /* SRR0-1 */
+ mtspr 27, %r31
+ mtspr 58, %r31 /* CSRR0-1 */
+ mtspr 59, %r31
+ mtspr 61, %r31 /* DEAR */
+ mtspr 22, %r31 /* DEC */
+ mtspr 54, %r31 /* DECAR */
+ mtspr 285, %r31 /* TBU */
+ mtspr 284, %r31 /* TBL */
+ mtspr 570, %r31 /* MCSRR0 */
+ mtspr 571, %r31 /* MCSRR1 */
+ mtspr 256, %r31 /* USPRG0 */
+ mtspr 562, %r31 /* DBCNT */
+ mtspr 318, %r31 /* DVC1-2 */
+ mtspr 319, %r31
/* HW configuration.*/
bl _hwconf
+ bl _ivorinit
b _boot_address
diff --git a/os/ports/GCC/PPC/SPC56ELxx/hwconf.s b/os/ports/GCC/PPC/SPC56ELxx/hwconf.s index 6bb45cbfb..2211b8dbd 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/hwconf.s +++ b/os/ports/GCC/PPC/SPC56ELxx/hwconf.s @@ -153,12 +153,12 @@ #if !defined(__DOXYGEN__)
- .section .hwconf, "ax"
+ .section .coreinit, "ax"
.align 2
- .globl _hwconf
- .type _hwconf, @function
-_hwconf:
+ .globl _coreinit
+ .type _coreinit, @function
+_coreinit:
/* MSR settings.*/
lis r3, MSR_DEFAULT@h
ori r3, r3, MSR_DEFAULT@l
diff --git a/os/ports/GCC/PPC/SPC56ELxx/ivor.s b/os/ports/GCC/PPC/SPC56ELxx/ivor.s index 24d0beef3..7d2207441 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/ivor.s +++ b/os/ports/GCC/PPC/SPC56ELxx/ivor.s @@ -42,6 +42,44 @@ .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.
*/
@@ -78,181 +116,6 @@ _IVOR15: _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__) */
/** @} */
diff --git a/os/ports/GCC/PPC/SPC56ELxx/port.mk b/os/ports/GCC/PPC/SPC56ELxx/port.mk index 8bd94f574..815d22ab4 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/port.mk +++ b/os/ports/GCC/PPC/SPC56ELxx/port.mk @@ -3,9 +3,10 @@ PORTSRC = ${CHIBIOS}/os/ports/GCC/PPC/chcore.c PORTASM = ${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx/bam.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/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 \
${CHIBIOS}/os/ports/GCC/PPC/SPC56ELxx
diff --git a/os/ports/GCC/PPC/SPC56ELxx/ppcparams.h b/os/ports/GCC/PPC/SPC56ELxx/ppcparams.h index e8147ced4..c09b0b875 100644 --- a/os/ports/GCC/PPC/SPC56ELxx/ppcparams.h +++ b/os/ports/GCC/PPC/SPC56ELxx/ppcparams.h @@ -35,32 +35,37 @@ /**
* @brief PPC core model.
*/
-#define PPC_VARIANT PPC_VARIANT_e200z4
+#define PPC_VARIANT PPC_VARIANT_e200z4
/**
* @brief Number of writable bits in IVPR register.
*/
-#define PPC_IVPR_BITS 16
+#define PPC_IVPR_BITS 16
/**
* @brief IVORx registers support.
*/
-#define PPC_SUPPORTS_IVORS TRUE
+#define PPC_SUPPORTS_IVORS TRUE
/**
* @brief Book E instruction set support.
*/
-#define PPC_SUPPORTS_BOOKE TRUE
+#define PPC_SUPPORTS_BOOKE TRUE
/**
* @brief VLE instruction set support.
*/
-#define PPC_SUPPORTS_VLE TRUE
+#define PPC_SUPPORTS_VLE TRUE
/**
* @brief Supports VLS Load/Store Multiple Volatile instructions.
*/
-#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_ */
|