1 files changed, 115 insertions, 0 deletions
diff --git a/bsps/powerpc/include/libcpu/vectors.h b/bsps/powerpc/include/libcpu/vectors.h
new file mode 100644
index 0000000000..2c8914e2a4
--- /dev/null
+++ b/bsps/powerpc/include/libcpu/vectors.h
@@ -0,0 +1,115 @@
+/*
+ * vectors.h Exception frame related contant and API.
+ *
+ *  This include file describe the data structure and the functions implemented
+ *  by rtems to handle exceptions.
+ *
+ *
+ *  MPC5xx port sponsored by Defence Research and Development Canada - Suffield
+ *  Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca)
+ *
+ *  Derived from libbsp/powerpc/mbx8xx/vectors/vectors.h:
+ *
+ *  CopyRight (C) 1999 valette@crf.canon.fr
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+#ifndef _LIBCPU_VECTORS_H
+#define _LIBCPU_VECTORS_H
+
+
+/*
+ * Size of hardware vector table.
+ */
+#define NUM_EXCEPTIONS		0x20
+
+/*
+ * The callee (high level exception code written in C)
+ * will store the Link Registers (return address) at entry r1 + 4 !!!.
+ * So let room for it!!!.
+ */
+#define LINK_REGISTER_CALLEE_UPDATE_ROOM 4
+#define SRR0_FRAME_OFFSET 8
+#define SRR1_FRAME_OFFSET 12
+#define EXCEPTION_NUMBER_OFFSET 16
+#define EXC_CR_OFFSET 20
+#define EXC_CTR_OFFSET 24
+#define EXC_XER_OFFSET 28
+#define EXC_LR_OFFSET 32
+#define GPR0_OFFSET 36
+#define GPR1_OFFSET 40
+#define GPR2_OFFSET 44
+#define GPR3_OFFSET 48
+#define GPR4_OFFSET 52
+#define GPR5_OFFSET 56
+#define GPR6_OFFSET 60
+#define GPR7_OFFSET 64
+#define GPR8_OFFSET 68
+#define GPR9_OFFSET 72
+#define GPR10_OFFSET 76
+#define GPR11_OFFSET 80
+#define GPR12_OFFSET 84
+#define GPR13_OFFSET 88
+#define GPR14_OFFSET 92
+#define GPR15_OFFSET 96
+#define GPR16_OFFSET 100
+#define GPR17_OFFSET 104
+#define GPR18_OFFSET 108
+#define GPR19_OFFSET 112
+#define GPR20_OFFSET 116
+#define GPR21_OFFSET 120
+#define GPR22_OFFSET 124
+#define GPR23_OFFSET 128
+#define GPR24_OFFSET 132
+#define GPR25_OFFSET 136
+#define GPR26_OFFSET 140
+#define GPR27_OFFSET 144
+#define GPR28_OFFSET 148
+#define GPR29_OFFSET 152
+#define GPR30_OFFSET 156
+#define GPR31_OFFSET 160
+/*
+ * maintain the EABI requested 8 bytes aligment
+ * As SVR4 ABI requires 16, make it 16 (as some
+ * exception may need more registers to be processed...)
+ */
+#define    EXCEPTION_FRAME_END 176
+
+#ifndef ASM
+
+#include <rtems.h>
+
+/*
+ * default raw exception handlers
+ */
+
+extern	void default_exception_vector_code_prolog(void);
+extern	int  default_exception_vector_code_prolog_size;
+extern  void initialize_exceptions(void);
+
+typedef void rtems_exception_handler_t (CPU_Exception_frame* excPtr);
+/*DEBUG typedef rtems_exception_handler_t cpuExcHandlerType; */
+
+/*
+ * Exception handler table.
+ *
+ * This table contains pointers to assembly-language exception handlers.
+ * The common exception prologue in vectors.S looks up an entry in this
+ * table and jumps to it.  No return address is saved, so the handlers in
+ * this table must return directly to the interrupted code.
+ *
+ * On entry to an exception handler, R1 points to a new exception stack
+ * frame in which R3, R4, and LR have been saved.  R4 holds the exception
+ * number.
+ */
+extern rtems_exception_handler_t* exception_handler_table[NUM_EXCEPTIONS];
+
+/* for compatability -- XXX remove */
+typedef rtems_exception_handler_t *cpuExcHandlerType;
+extern cpuExcHandlerType *globalExceptHdl;
+
+#endif /* ASM */
+
+#endif /* _LIBCPU_VECTORS_H */