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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-17 09:24:13 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-17 09:24:13 +0000 |
| commit | f3d472965ed481a88382fe698cdab337359d553c (patch) | |
| tree | e66048cab3005783832e80df40074a68bfe65ff7 /os/ports/GCC/PPC/SPC560Pxx/ivor.s | |
| parent | 4e36eab1f1affd6375c58135907d0b0e714dde52 (diff) | |
| download | ChibiOS-f3d472965ed481a88382fe698cdab337359d553c.tar.gz ChibiOS-f3d472965ed481a88382fe698cdab337359d553c.tar.bz2 ChibiOS-f3d472965ed481a88382fe698cdab337359d553c.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4686 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/GCC/PPC/SPC560Pxx/ivor.s')
| -rw-r--r-- | os/ports/GCC/PPC/SPC560Pxx/ivor.s | 126 |
1 files changed, 68 insertions, 58 deletions
diff --git a/os/ports/GCC/PPC/SPC560Pxx/ivor.s b/os/ports/GCC/PPC/SPC560Pxx/ivor.s index c57899b9a..2561b4eb6 100644 --- a/os/ports/GCC/PPC/SPC560Pxx/ivor.s +++ b/os/ports/GCC/PPC/SPC560Pxx/ivor.s @@ -43,66 +43,76 @@ .section .handlers, "ax"
/*
- * IVOR10 handler (Book-E decrementer).
+ * Fixed IVOR offset table.
*/
- .align 4
- .globl IVOR10
-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
+ .globl IVORS
+IVORS: b IVOR0
+ .align 16
+ b IVOR1
+ .align 16
+ b IVOR2
+ .align 16
+ b IVOR3
+ .align 16
+ b IVOR4
+ .align 16
+ b IVOR5
+ .align 16
+ b IVOR6
+ .align 16
+ b IVOR7
+ .align 16
+ b IVOR8
+ .align 16
+ b IVOR9
+ .align 16
+ b IVOR10
+ .align 16
+ b IVOR11
+ .align 16
+ b IVOR12
+ .align 16
+ b IVOR13
+ .align 16
+ b IVOR14
+ .align 16
+ b IVOR15
- /* System tick handler invocation.*/
-#if CH_DBG_SYSTEM_STATE_CHECK
- bl dbg_check_lock
-#endif
- bl chSchIsPreemptionRequired
- cmpli cr0, %r3, 0
- beq cr0, .ctxrestore
- bl chSchDoReschedule
- b .ctxrestore
+ /*
+ * Unhandled exceptions handler.
+ */
+ .weak IVOR0
+IVOR0:
+ .weak IVOR1
+IVOR1:
+ .weak IVOR2
+IVOR2:
+ .weak IVOR3
+IVOR3:
+ .weak IVOR5
+IVOR5:
+ .weak IVOR6
+IVOR6:
+ .weak IVOR7
+IVOR7:
+ .weak IVOR8
+IVOR8:
+ .weak IVOR9
+IVOR9:
+ .weak IVOR10
+IVOR10:
+ .weak IVOR11
+IVOR11:
+ .weak IVOR12
+IVOR12:
+ .weak IVOR13
+IVOR13:
+ .weak IVOR14
+IVOR14:
+ .weak IVOR15
+IVOR15:
+_unhandled_exception:
+ b _unhandled_exception
/*
* IVOR4 handler (Book-E external interrupt).
|