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authorDavid Howells <dhowells@redhat.com>2008-02-08 07:19:31 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 12:22:30 -0500
commitb920de1b77b72ca9432ac3f97edb26541e65e5dd (patch)
tree40fa9be1470e929c47927dea7eddf184c0204229 /include/asm-mn10300/exceptions.h
parentef3d534754f31fed9c3b976fee1ece1b3bc38282 (diff)
mn10300: add the MN10300/AM33 architecture to the kernel
Add architecture support for the MN10300/AM33 CPUs produced by MEI to the kernel. This patch also adds board support for the ASB2303 with the ASB2308 daughter board, and the ASB2305. The only processor supported is the MN103E010, which is an AM33v2 core plus on-chip devices. [akpm@linux-foundation.org: nuke cvs control strings] Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com> Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-mn10300/exceptions.h')
-rw-r--r--include/asm-mn10300/exceptions.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/include/asm-mn10300/exceptions.h b/include/asm-mn10300/exceptions.h
new file mode 100644
index 000000000000..fa16466ef3f9
--- /dev/null
+++ b/include/asm-mn10300/exceptions.h
@@ -0,0 +1,121 @@
1/* MN10300 Microcontroller core exceptions
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#ifndef _ASM_EXCEPTIONS_H
12#define _ASM_EXCEPTIONS_H
13
14#include <linux/linkage.h>
15
16/*
17 * define the breakpoint instruction opcode to use
18 * - note that the JTAG unit steals 0xFF, so we want to avoid that if we can
19 * (can use 0xF7)
20 */
21#define GDBSTUB_BKPT 0xFF
22
23#ifndef __ASSEMBLY__
24
25/*
26 * enumeration of exception codes (as extracted from TBR MSW)
27 */
28enum exception_code {
29 EXCEP_RESET = 0x000000, /* reset */
30
31 /* MMU exceptions */
32 EXCEP_ITLBMISS = 0x000100, /* instruction TLB miss */
33 EXCEP_DTLBMISS = 0x000108, /* data TLB miss */
34 EXCEP_IAERROR = 0x000110, /* instruction address */
35 EXCEP_DAERROR = 0x000118, /* data address */
36
37 /* system exceptions */
38 EXCEP_TRAP = 0x000128, /* program interrupt (PI instruction) */
39 EXCEP_ISTEP = 0x000130, /* single step */
40 EXCEP_IBREAK = 0x000150, /* instruction breakpoint */
41 EXCEP_OBREAK = 0x000158, /* operand breakpoint */
42 EXCEP_PRIVINS = 0x000160, /* privileged instruction execution */
43 EXCEP_UNIMPINS = 0x000168, /* unimplemented instruction execution */
44 EXCEP_UNIMPEXINS = 0x000170, /* unimplemented extended instruction execution */
45 EXCEP_MEMERR = 0x000178, /* illegal memory access */
46 EXCEP_MISALIGN = 0x000180, /* misalignment */
47 EXCEP_BUSERROR = 0x000188, /* bus error */
48 EXCEP_ILLINSACC = 0x000190, /* illegal instruction access */
49 EXCEP_ILLDATACC = 0x000198, /* illegal data access */
50 EXCEP_IOINSACC = 0x0001a0, /* I/O space instruction access */
51 EXCEP_PRIVINSACC = 0x0001a8, /* privileged space instruction access */
52 EXCEP_PRIVDATACC = 0x0001b0, /* privileged space data access */
53 EXCEP_DATINSACC = 0x0001b8, /* data space instruction access */
54 EXCEP_DOUBLE_FAULT = 0x000200, /* double fault */
55
56 /* FPU exceptions */
57 EXCEP_FPU_DISABLED = 0x0001c0, /* FPU disabled */
58 EXCEP_FPU_UNIMPINS = 0x0001c8, /* FPU unimplemented operation */
59 EXCEP_FPU_OPERATION = 0x0001d0, /* FPU operation */
60
61 /* interrupts */
62 EXCEP_WDT = 0x000240, /* watchdog timer overflow */
63 EXCEP_NMI = 0x000248, /* non-maskable interrupt */
64 EXCEP_IRQ_LEVEL0 = 0x000280, /* level 0 maskable interrupt */
65 EXCEP_IRQ_LEVEL1 = 0x000288, /* level 1 maskable interrupt */
66 EXCEP_IRQ_LEVEL2 = 0x000290, /* level 2 maskable interrupt */
67 EXCEP_IRQ_LEVEL3 = 0x000298, /* level 3 maskable interrupt */
68 EXCEP_IRQ_LEVEL4 = 0x0002a0, /* level 4 maskable interrupt */
69 EXCEP_IRQ_LEVEL5 = 0x0002a8, /* level 5 maskable interrupt */
70 EXCEP_IRQ_LEVEL6 = 0x0002b0, /* level 6 maskable interrupt */
71
72 /* system calls */
73 EXCEP_SYSCALL0 = 0x000300, /* system call 0 */
74 EXCEP_SYSCALL1 = 0x000308, /* system call 1 */
75 EXCEP_SYSCALL2 = 0x000310, /* system call 2 */
76 EXCEP_SYSCALL3 = 0x000318, /* system call 3 */
77 EXCEP_SYSCALL4 = 0x000320, /* system call 4 */
78 EXCEP_SYSCALL5 = 0x000328, /* system call 5 */
79 EXCEP_SYSCALL6 = 0x000330, /* system call 6 */
80 EXCEP_SYSCALL7 = 0x000338, /* system call 7 */
81 EXCEP_SYSCALL8 = 0x000340, /* system call 8 */
82 EXCEP_SYSCALL9 = 0x000348, /* system call 9 */
83 EXCEP_SYSCALL10 = 0x000350, /* system call 10 */
84 EXCEP_SYSCALL11 = 0x000358, /* system call 11 */
85 EXCEP_SYSCALL12 = 0x000360, /* system call 12 */
86 EXCEP_SYSCALL13 = 0x000368, /* system call 13 */
87 EXCEP_SYSCALL14 = 0x000370, /* system call 14 */
88 EXCEP_SYSCALL15 = 0x000378, /* system call 15 */
89};
90
91extern void __set_intr_stub(enum exception_code code, void *handler);
92extern void set_intr_stub(enum exception_code code, void *handler);
93extern void set_jtag_stub(enum exception_code code, void *handler);
94
95struct pt_regs;
96
97extern asmlinkage void __common_exception(void);
98extern asmlinkage void itlb_miss(void);
99extern asmlinkage void dtlb_miss(void);
100extern asmlinkage void itlb_aerror(void);
101extern asmlinkage void dtlb_aerror(void);
102extern asmlinkage void raw_bus_error(void);
103extern asmlinkage void double_fault(void);
104extern asmlinkage int system_call(struct pt_regs *);
105extern asmlinkage void fpu_exception(struct pt_regs *, enum exception_code);
106extern asmlinkage void nmi(struct pt_regs *, enum exception_code);
107extern asmlinkage void uninitialised_exception(struct pt_regs *,
108 enum exception_code);
109extern asmlinkage void irq_handler(void);
110extern asmlinkage void profile_handler(void);
111extern asmlinkage void nmi_handler(void);
112extern asmlinkage void misalignment(struct pt_regs *, enum exception_code);
113
114extern void die(const char *, struct pt_regs *, enum exception_code)
115 ATTRIB_NORET;
116
117extern int die_if_no_fixup(const char *, struct pt_regs *, enum exception_code);
118
119#endif /* __ASSEMBLY__ */
120
121#endif /* _ASM_EXCEPTIONS_H */
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