summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/include/asm/traps.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/traps.h')
-rw-r--r--arch/blackfin/include/asm/traps.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/traps.h b/arch/blackfin/include/asm/traps.h
new file mode 100644
index 000000000000..f0e5f940d9ca
--- /dev/null
+++ b/arch/blackfin/include/asm/traps.h
@@ -0,0 +1,131 @@
+/*
+ * linux/include/asm/traps.h
+ *
+ * Copyright (C) 1993 Hamish Macdonald
+ *
+ * Lineo, Inc Jul 2001 Tony Kou
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _BFIN_TRAPS_H
+#define _BFIN_TRAPS_H
+
+#define VEC_SYS (0)
+#define VEC_EXCPT01 (1)
+#define VEC_EXCPT02 (2)
+#define VEC_EXCPT03 (3)
+#define VEC_EXCPT04 (4)
+#define VEC_EXCPT05 (5)
+#define VEC_EXCPT06 (6)
+#define VEC_EXCPT07 (7)
+#define VEC_EXCPT08 (8)
+#define VEC_EXCPT09 (9)
+#define VEC_EXCPT10 (10)
+#define VEC_EXCPT11 (11)
+#define VEC_EXCPT12 (12)
+#define VEC_EXCPT13 (13)
+#define VEC_EXCPT14 (14)
+#define VEC_EXCPT15 (15)
+#define VEC_STEP (16)
+#define VEC_OVFLOW (17)
+#define VEC_UNDEF_I (33)
+#define VEC_ILGAL_I (34)
+#define VEC_CPLB_VL (35)
+#define VEC_MISALI_D (36)
+#define VEC_UNCOV (37)
+#define VEC_CPLB_M (38)
+#define VEC_CPLB_MHIT (39)
+#define VEC_WATCH (40)
+#define VEC_ISTRU_VL (41) /*ADSP-BF535 only (MH) */
+#define VEC_MISALI_I (42)
+#define VEC_CPLB_I_VL (43)
+#define VEC_CPLB_I_M (44)
+#define VEC_CPLB_I_MHIT (45)
+#define VEC_ILL_RES (46) /* including unvalid supervisor mode insn */
+/* The hardware reserves (63) for future use - we use it to tell our
+ * normal exception handling code we have a hardware error
+ */
+#define VEC_HWERR (63)
+
+#ifndef __ASSEMBLY__
+
+#define HWC_x2(level) \
+ "System MMR Error\n" \
+ level " - An error occurred due to an invalid access to an System MMR location\n" \
+ level " Possible reason: a 32-bit register is accessed with a 16-bit instruction\n" \
+ level " or a 16-bit register is accessed with a 32-bit instruction.\n"
+#define HWC_x3(level) \
+ "External Memory Addressing Error\n"
+#define HWC_x12(level) \
+ "Performance Monitor Overflow\n"
+#define HWC_x18(level) \
+ "RAISE 5 instruction\n" \
+ level " Software issued a RAISE 5 instruction to invoke the Hardware\n"
+#define HWC_default(level) \
+ "Reserved\n"
+#define EXC_0x03(level) \
+ "Application stack overflow\n" \
+ level " - Please increase the stack size of the application using elf2flt -s option,\n" \
+ level " and/or reduce the stack use of the application.\n"
+#define EXC_0x10(level) \
+ "Single step\n" \
+ level " - When the processor is in single step mode, every instruction\n" \
+ level " generates an exception. Primarily used for debugging.\n"
+#define EXC_0x11(level) \
+ "Exception caused by a trace buffer full condition\n" \
+ level " - The processor takes this exception when the trace\n" \
+ level " buffer overflows (only when enabled by the Trace Unit Control register).\n"
+#define EXC_0x21(level) \
+ "Undefined instruction\n" \
+ level " - May be used to emulate instructions that are not defined for\n" \
+ level " a particular processor implementation.\n"
+#define EXC_0x22(level) \
+ "Illegal instruction combination\n" \
+ level " - See section for multi-issue rules in the ADSP-BF53x Blackfin\n" \
+ level " Processor Instruction Set Reference.\n"
+#define EXC_0x23(level) \
+ "Data access CPLB protection violation\n" \
+ level " - Attempted read or write to Supervisor resource,\n" \
+ level " or illegal data memory access. \n"
+#define EXC_0x24(level) \
+ "Data access misaligned address violation\n" \
+ level " - Attempted misaligned data memory or data cache access.\n"
+#define EXC_0x25(level) \
+ "Unrecoverable event\n" \
+ level " - For example, an exception generated while processing a previous exception.\n"
+#define EXC_0x26(level) \
+ "Data access CPLB miss\n" \
+ level " - Used by the MMU to signal a CPLB miss on a data access.\n"
+#define EXC_0x27(level) \
+ "Data access multiple CPLB hits\n" \
+ level " - More than one CPLB entry matches data fetch address.\n"
+#define EXC_0x28(level) \
+ "Program Sequencer Exception caused by an emulation watchpoint match\n" \
+ level " - There is a watchpoint match, and one of the EMUSW\n" \
+ level " bits in the Watchpoint Instruction Address Control register (WPIACTL) is set.\n"
+#define EXC_0x2A(level) \
+ "Instruction fetch misaligned address violation\n" \
+ level " - Attempted misaligned instruction cache fetch. On a misaligned instruction fetch\n" \
+ level " exception, the return address provided in RETX is the destination address which is\n" \
+ level " misaligned, rather than the address of the offending instruction.\n"
+#define EXC_0x2B(level) \
+ "CPLB protection violation\n" \
+ level " - Illegal instruction fetch access (memory protection violation).\n"
+#define EXC_0x2C(level) \
+ "Instruction fetch CPLB miss\n" \
+ level " - CPLB miss on an instruction fetch.\n"
+#define EXC_0x2D(level) \
+ "Instruction fetch multiple CPLB hits\n" \
+ level " - More than one CPLB entry matches instruction fetch address.\n"
+#define EXC_0x2E(level) \
+ "Illegal use of supervisor resource\n" \
+ level " - Attempted to use a Supervisor register or instruction from User mode.\n" \
+ level " Supervisor resources are registers and instructions that are reserved\n" \
+ level " for Supervisor use: Supervisor only registers, all MMRs, and Supervisor\n" \
+ level " only instructions.\n"
+
+#endif /* __ASSEMBLY__ */
+#endif /* _BFIN_TRAPS_H */
OpenPOWER on IntegriCloud