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📄 altivec.h(1.72 KB)
📄 asm.h(7.62 KB)
📄 atomic.h(27.49 KB)
📄 bat.h(6.28 KB)
📄 bus.h(18.04 KB)
📄 bus_dma.h(1.63 KB)
📄 clock.h(319 B)
📄 counter.h(3.92 KB)
📄 cpu.h(5.13 KB)
📄 cpufunc.h(5.41 KB)
📄 db_machdep.h(2.67 KB)
📄 dbdma.h(5.36 KB)
📄 dump.h(2.26 KB)
📄 efi.h(272 B)
📄 elf.h(4.46 KB)
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📄 exec.h(1.69 KB)
📄 float.h(3.71 KB)
📄 floatingpoint.h(1.72 KB)
📄 fpu.h(2.97 KB)
📄 frame.h(3.79 KB)
📄 gdb_machdep.h(3.36 KB)
📄 hid.h(9.15 KB)
📄 ieee.h(4.34 KB)
📄 ieeefp.h(1.28 KB)
📄 ifunc.h(2.49 KB)
📄 in_cksum.h(2.86 KB)
📄 intr_machdep.h(2.37 KB)
📄 kdb.h(1.86 KB)
📄 limits.h(1.9 KB)
📄 machdep.h(1.61 KB)
📄 md_var.h(2.3 KB)
📄 memdev.h(1.6 KB)
📄 metadata.h(1.64 KB)
📄 minidump.h(1.84 KB)
📄 mmuvar.h(8.7 KB)
📄 ofw_machdep.h(2.28 KB)
📄 openpicreg.h(4.52 KB)
📄 openpicvar.h(2.96 KB)
📄 param.h(5.03 KB)
📄 pcb.h(4.06 KB)
📄 pcpu.h(5.53 KB)
📄 pcpu_aux.h(1.94 KB)
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📄 platform.h(2.82 KB)
📄 platformvar.h(2.92 KB)
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📄 pmc_mdep.h(2.24 KB)
📄 proc.h(2.7 KB)
📄 procctl.h(62 B)
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📄 ptrace.h(1.87 KB)
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📄 reloc.h(1.6 KB)
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📄 rtas.h(2.41 KB)
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📄 sc_machdep.h(2.41 KB)
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📄 sigframe.h(1.69 KB)
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📄 stack.h(1.16 KB)
📄 stdarg.h(1.58 KB)
📄 sysarch.h(1.8 KB)
📄 tlb.h(5.18 KB)
📄 trap.h(6.26 KB)
📄 ucontext.h(3.28 KB)
📄 vdso.h(1.62 KB)
📄 vm.h(1.78 KB)
📄 vmparam.h(9.21 KB)

Editing: trap.h

/*-
 * SPDX-License-Identifier: BSD-4-Clause
 *
 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
 * Copyright (C) 1995, 1996 TooLs GmbH.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by TooLs GmbH.
 * 4. The name of TooLs GmbH may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $NetBSD: trap.h,v 1.7 2002/02/22 13:51:40 kleink Exp $
 * $FreeBSD$
 */

#ifndef	_POWERPC_TRAP_H_
#define	_POWERPC_TRAP_H_

#define	EXC_RSVD	0x0000		/* Reserved */
#define	EXC_RST		0x0100		/* Reset; all but IBM4xx */
#define	EXC_MCHK	0x0200		/* Machine Check */
#define	EXC_DSI		0x0300		/* Data Storage Interrupt */
#define	EXC_DSE		0x0380		/* Data Segment Interrupt */
#define	EXC_ISI		0x0400		/* Instruction Storage Interrupt */
#define	EXC_ISE		0x0480		/* Instruction Segment Interrupt */
#define	EXC_EXI		0x0500		/* External Interrupt */
#define	EXC_ALI		0x0600		/* Alignment Interrupt */
#define	EXC_PGM		0x0700		/* Program Interrupt */
#define	EXC_FPU		0x0800		/* Floating-point Unavailable */
#define	EXC_DECR	0x0900		/* Decrementer Interrupt */
#define	EXC_SC		0x0c00		/* System Call */
#define	EXC_TRC		0x0d00		/* Trace */
#define	EXC_FPA		0x0e00		/* Floating-point Assist */

/* The following is only available on the 601: */
#define	EXC_RUNMODETRC	0x2000		/* Run Mode/Trace Exception */

/* The following are only available on 970(G5): */
#define	EXC_VECAST_G5	0x1700		/* AltiVec Assist */

/* The following are only available on 7400(G4): */
#define	EXC_VEC		0x0f20		/* AltiVec Unavailable */
#define	EXC_VECAST_G4	0x1600		/* AltiVec Assist */

/* The following are only available on 604/750/7400: */
#define	EXC_PERF	0x0f00		/* Performance Monitoring */
#define	EXC_BPT		0x1300		/* Instruction Breakpoint */
#define	EXC_SMI		0x1400		/* System Managment Interrupt */

/* The following are only available on 750/7400: */
#define	EXC_THRM	0x1700		/* Thermal Management Interrupt */

/* And these are only on the 603: */
#define	EXC_IMISS	0x1000		/* Instruction translation miss */
#define	EXC_DLMISS	0x1100		/* Data load translation miss */
#define	EXC_DSMISS	0x1200		/* Data store translation miss */

/* Power ISA 2.06+: */
#define	EXC_HDSI	0x0e00		/* Hypervisor Data Storage */
#define	EXC_HISI	0x0e20		/* Hypervisor Instruction Storage */
#define	EXC_HEA		0x0e40		/* Hypervisor Emulation Assistance */
#define	EXC_HMI		0x0e60		/* Hypervisor Maintenance */
#define	EXC_VSX		0x0f40		/* VSX Unavailable */

/* Power ISA 2.07+: */
#define	EXC_FAC		0x0f60		/* Facility Unavailable */
#define	EXC_HFAC	0x0f80		/* Hypervisor Facility Unavailable */

/* Power ISA 3.0+: */
#define	EXC_HVI		0x0ea0		/* Hypervisor Virtualization */

/* The following are available on 4xx and 85xx */
#define	EXC_CRIT	0x0100		/* Critical Input Interrupt */
#define	EXC_PIT		0x1000		/* Programmable Interval Timer */
#define	EXC_FIT		0x1010		/* Fixed Interval Timer */
#define	EXC_WDOG	0x1020		/* Watchdog Timer */
#define	EXC_DTMISS	0x1100		/* Data TLB Miss */
#define	EXC_ITMISS	0x1200		/* Instruction TLB Miss */
#define	EXC_APU		0x1300		/* Auxiliary Processing Unit */
#define	EXC_DEBUG	0x2f10		/* Debug trap */
#define	EXC_VECAST_E	0x2f20		/* Altivec Assist (Book-E) */
#define	EXC_SPFPD	0x2f30		/* SPE Floating-point Data */
#define	EXC_SPFPR	0x2f40		/* SPE Floating-point Round */

/* POWER8 */
#define EXC_SOFT_PATCH	0x1500		/* POWER8 Soft Patch Exception */

#define	EXC_LAST	0x2f00		/* Last possible exception vector */

#define	EXC_AST		0x3000		/* Fake AST vector */

/* Trap was in user mode */
#define	EXC_USER	0x10000

/*
 * EXC_ALI sets bits in the DSISR and DAR to provide enough
 * information to recover from the unaligned access without needing to
 * parse the offending instruction. This includes certain bits of the
 * opcode, and information about what registers are used. The opcode
 * indicator values below come from Appendix F of Book III of "The
 * PowerPC Architecture".
 */

#define EXC_ALI_OPCODE_INDICATOR(dsisr) ((dsisr >> 10) & 0x7f)
#define EXC_ALI_LFD	0x09
#define EXC_ALI_STFD	0x0b

/* Macros to extract register information */
#define EXC_ALI_RST(dsisr) ((dsisr >> 5) & 0x1f)   /* source or target */
#define EXC_ALI_RA(dsisr) (dsisr & 0x1f)
#define	EXC_ALI_INST_RST(instr)	((instr >> 21) & 0x1f)

/*
 * SRR1 bits for program exception traps. These identify what caused
 * the program exception. See section 6.5.9 of the Power ISA Version
 * 2.05.
 */

#define	EXC_PGM_FPENABLED	(1UL << 20)
#define	EXC_PGM_ILLEGAL		(1UL << 19)
#define	EXC_PGM_PRIV		(1UL << 18)
#define	EXC_PGM_TRAP		(1UL << 17)

/* DTrace trap opcode. */
#define EXC_DTRACE	0x7ffff808

/* Magic pointer to store TOC base and other info for trap handlers on ppc64 */
#define	TRAP_ENTRY	0x1e8
#define	TRAP_GENTRAP	0x1f0
#define	TRAP_TOCBASE	0x1f8

#ifndef LOCORE
struct	trapframe;
struct	thread;
extern int	(*hmi_handler)(struct trapframe *);
void    trap(struct trapframe *);
int	ppc_instr_emulate(struct trapframe *, struct thread *);
#endif

#endif	/* _POWERPC_TRAP_H_ */

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Editing: trap.h

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