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File: [local] / sys / arch / m88k / include / trap.h (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:07:09 2008 UTC (16 years, 3 months ago) by nbrk
Import of OpenBSD 4.2 release kernel tree with initial code to support Jornada 720/728, StrongARM 1110-based handheld PC. At this point kernel roots on NFS and boots into vfs_mountroot() and traps. What is supported: - glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode (needs some palette tweaks for non black/white/blue colors, i think) - saic, SA11x0 interrupt controller (needs cleanup) - sacom, SA11x0 UART (supported only as boot console for now) - SA11x0 GPIO controller fully supported (but can't handle multiple interrupt handlers on one gpio pin) - sassp, SSP port on SA11x0 that attaches spibus - Jornada microcontroller (jmcu) to control kbd, battery, etc throught the SPI bus (wskbd attaches on jmcu, but not tested) - tod functions seem work - initial code for SA-1111 (chip companion) : this is TODO Next important steps, i think: - gpio and intc on sa1111 - pcmcia support for sa11x0 (and sa1111 help logic) - REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs) - root on wd0! (using already supported PCMCIA-ATA) |
/* $OpenBSD: trap.h,v 1.3 2006/05/08 14:03:34 miod Exp $ */ /* * Mach Operating System * Copyright (c) 1992 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * Trap codes */ #ifndef __MACHINE_TRAP_H__ #define __MACHINE_TRAP_H__ /* * Trap type values */ #define T_PRIVINFLT 0 /* privileged instruction fault */ #define T_INSTFLT 1 /* instruction access exception */ #define T_DATAFLT 2 /* data access exception */ #define T_MISALGNFLT 3 /* misaligned access exception */ #define T_ILLFLT 4 /* unimplemented opcode exception */ #define T_BNDFLT 5 /* bounds check violation exception */ #define T_ZERODIV 6 /* illegal divide exception */ #define T_OVFFLT 7 /* integer overflow exception */ #define T_FPEPFLT 8 /* floating point precise exception */ #define T_ASTFLT 9 /* software trap */ #define T_KDB_ENTRY 10 /* force entry to kernel debugger */ #define T_KDB_BREAK 11 /* break point hit */ #define T_KDB_TRACE 12 /* trace */ #define T_UNKNOWNFLT 13 /* unknown exception */ #define T_SIGSYS 14 /* generate SIGSYS */ #define T_STEPBPT 15 /* special breakpoint for single step */ #define T_USERBPT 16 /* user set breakpoint (for debugger) */ #define T_INT 17 /* interrupt exception */ #define T_NON_MASK 18 /* MVME197 Non-Maskable Interrupt */ #define T_110_DRM 19 /* 88110 data read miss (sw table walk) */ #define T_110_DWM 20 /* 88110 data write miss (sw table walk) */ #define T_110_IAM 21 /* 88110 inst ATC miss (sw table walk) */ #define T_USER 22 /* user mode fault */ #ifndef _LOCORE void cache_flush(struct trapframe *); void m88100_syscall(register_t, struct trapframe *); void m88100_trap(unsigned, struct trapframe *); void m88110_syscall(register_t, struct trapframe *); void m88110_trap(unsigned, struct trapframe *); #endif /* _LOCORE */ #endif /* __MACHINE_TRAP_H__ */