diff options
author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-07-17 08:52:22 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-07-17 08:52:22 +0000 |
commit | 1272fdce1e9e8d55e5fddf3ae79019ca7836c770 (patch) | |
tree | 1d668e1c0c9a7922d0b8e1f37de952b18ea4bdf7 /os/nil/ports/e200/compilers/GCC | |
parent | 6dee6a0bc925bc0567c41a74a64f5b9c88dc66bb (diff) | |
download | ChibiOS-1272fdce1e9e8d55e5fddf3ae79019ca7836c770.tar.gz ChibiOS-1272fdce1e9e8d55e5fddf3ae79019ca7836c770.tar.bz2 ChibiOS-1272fdce1e9e8d55e5fddf3ae79019ca7836c770.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7038 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/nil/ports/e200/compilers/GCC')
10 files changed, 252 insertions, 18 deletions
diff --git a/os/nil/ports/e200/compilers/GCC/ivor.s b/os/nil/ports/e200/compilers/GCC/ivor.s new file mode 100644 index 000000000..6b2fc3bba --- /dev/null +++ b/os/nil/ports/e200/compilers/GCC/ivor.s @@ -0,0 +1,234 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or 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 License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file ivor.s
+ * @brief Kernel ISRs.
+ *
+ * @addtogroup PPC_GCC_CORE
+ * @{
+ */
+
+#if !defined(FALSE) || defined(__DOXYGEN__)
+#define FALSE 0
+#endif
+
+#if !defined(TRUE) || defined(__DOXYGEN__)
+#define TRUE 1
+#endif
+
+/*
+ * Imports the PPC configuration headers.
+ */
+#define _FROM_ASM_
+#include "nilconf.h"
+#include "nilcore.h"
+
+#if !defined(__DOXYGEN__)
+ /*
+ * INTC registers address.
+ */
+ .equ INTC_IACKR, 0xfff48010
+ .equ INTC_EOIR, 0xfff48018
+
+ .section .handlers, "ax"
+
+#if PPC_SUPPORTS_DECREMENTER
+ /*
+ * _IVOR10 handler (Book-E decrementer).
+ */
+ .align 4
+ .globl _IVOR10
+ .type _IVOR10, @function
+_IVOR10:
+ /* Saving the external context (port_extctx structure).*/
+ stwu %sp, -80(%sp)
+#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) */
+
+ /* Increasing the SPGR0 register.*/
+ mfspr %r0, 272
+ eaddi %r0, %r0, 1
+ mtspr 272, %r0
+
+ /* Reset DIE bit in TSR register.*/
+ lis %r3, 0x0800 /* DIS bit mask. */
+ mtspr 336, %r3 /* TSR register. */
+
+#if PPC_USE_IRQ_PREEMPTION
+ /* Allows preemption while executing the software handler.*/
+ wrteei 1
+#endif
+
+ /* System tick handler invocation.*/
+ bl chSysTimerHandlerI
+
+#if PPC_USE_IRQ_PREEMPTION
+ /* Prevents preemption again.*/
+ wrteei 0
+#endif
+
+ /* Jumps to the common IVOR epilogue code.*/
+ b _ivor_exit
+#endif /* PPC_SUPPORTS_DECREMENTER */
+
+ /*
+ * _IVOR4 handler (Book-E external interrupt).
+ */
+ .align 4
+ .globl _IVOR4
+ .type _IVOR4, @function
+_IVOR4:
+ /* Saving the external context (port_extctx structure).*/
+ stwu %sp, -80(%sp)
+#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) */
+
+ /* Increasing the SPGR0 register.*/
+ mfspr %r0, 272
+ eaddi %r0, %r0, 1
+ mtspr 272, %r0
+
+ /* 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. */
+
+ /* Common IVOR epilogue code, context restore.*/
+ .globl _ivor_exit
+_ivor_exit:
+ /* Decreasing the SPGR0 register.*/
+ mfspr %r0, 272
+ eaddi %r0, %r0, -1
+ mtspr 272, %r0
+
+ bl chSchRescheduleS
+
+ /* Restoring the external context.*/
+#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/nil/ports/e200/compilers/GCC/mk/port_spc560bcxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc560bcxx.mk index 1e411c35b..050076219 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc560bcxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc560bcxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z0 SPC560BCxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z0 SPC560BCxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC560BCxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc560bxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc560bxx.mk index 86e4625a8..6089f4743 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc560bxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc560bxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z0 SPC560Bxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z0 SPC560Bxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC560Bxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc560dxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc560dxx.mk index 80fb723be..91176f87b 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc560dxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc560dxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z0 SPC560Dxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z0 SPC560Dxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC560Dxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc560pxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc560pxx.mk index 539d3a846..9342310aa 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc560pxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc560pxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z0 SPC560Pxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z0 SPC560Pxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC560Pxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc563mxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc563mxx.mk index fe52357b2..febbf22a8 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc563mxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc563mxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z3 SPC563Mxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z3 SPC563Mxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC563Mxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc564axx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc564axx.mk index ae2c5ef3d..31b25c692 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc564axx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc564axx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z4 SPC564Axx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z4 SPC564Axx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC564Axx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc56ecxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc56ecxx.mk index d8b20f071..84ada33e1 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc56ecxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc56ecxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z4 SPC56ECxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z4 SPC56ECxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC56ECxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc56elxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc56elxx.mk index 0ef3765c0..a913240e3 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc56elxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc56elxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z4 SPC56ELxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z4 SPC56ELxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC56ELxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
diff --git a/os/nil/ports/e200/compilers/GCC/mk/port_spc57emxx.mk b/os/nil/ports/e200/compilers/GCC/mk/port_spc57emxx.mk index 82dd7f5fc..669d371ea 100644 --- a/os/nil/ports/e200/compilers/GCC/mk/port_spc57emxx.mk +++ b/os/nil/ports/e200/compilers/GCC/mk/port_spc57emxx.mk @@ -1,5 +1,5 @@ -# List of the ChibiOS/RT e200z4 SPC57EMxx port files.
-PORTSRC = ${CHIBIOS}/os/nil/ports/e200/chcore.c
+# List of the ChibiOS/NIL e200z4 SPC57EMxx port files.
+PORTSRC = ${CHIBIOS}/os/nil/ports/e200/nilcore.c
PORTASM = $(CHIBIOS)/os/common/ports/e200/devices/SPC57EMxx/boot.s \
$(CHIBIOS)/os/common/ports/e200/compilers/GCC/vectors.s \
|