Switch to genassym.cf and sync Makefile with other ports.

3 files changed, 210 insertions, 249 deletions

diff --git a/sys/arch/sparc/conf/Makefile.sparc b/sys/arch/sparc/conf/Makefile.sparc
index c07c977f718..fde20997f1b 100644
--- a/sys/arch/sparc/conf/Makefile.sparc
+++ b/sys/arch/sparc/conf/Makefile.sparc
@@ -1,6 +1,7 @@
+#	$OpenBSD: Makefile.sparc,v 1.10 1997/06/25 14:47:11 downsj Exp $
 # 	$NetBSD: Makefile.sparc,v 1.32.4.1 1996/06/12 20:26:32 pk Exp $
 
-# Makefile for NetBSD
+# Makefile for OpenBSD
 #
 # This makefile is constructed from a machine description:
 #	config machineid
@@ -27,23 +28,29 @@ CPP?=	cpp
 LD?=	ld
 MKDEP?=	mkdep
 STRIP?=	strip
-TOUCH?=	touch -f -c
+TOUCH?=	touch
 
 # source tree is located via $S relative to the compilation directory
-S=	../../../..
-SPARC=	../..
+.ifndef S
+S!=	cd ../../../..; pwd
+.endif
+SPARC=	$S/arch/sparc
 
-INCLUDES=	-I. -I$S/arch -I$S
+INCLUDES=	-nostdinc -I. -I$S/arch -I$S
 CPPFLAGS=	${INCLUDES} ${IDENT} -D_KERNEL
-GCCWFLAGS=	#-Werror -Wall -Wstrict-prototypes -Wmissing-prototypes
-CFLAGS=		${DEBUG} -O2 ${GCCWFLAGS}
+
+CDIAGFLAGS=	-Werror -Wall -Wstrict-prototypes -Wmissing-prototypes \
+		-Wno-uninitialized -Wno-format
+
+CFLAGS=		${DEBUG} -O2 ${CDIAGFLAGS} ${CMACHFLAGS} ${COPTS}
 # add `-mno-fpu' to work around gcc (last noticed in v2.7.2) bug
 CFLAGS+=	-mno-fpu
 AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE
 LINKFLAGS=	-N -p -Ttext F8004000 -e start
 STRIPFLAGS=	-d
+TOUCHFLAGS=	-f -c
 
-HOSTCC?=	${CC}
+HOSTCC=	${CC}
 HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
 HOSTED_CFLAGS=	${CFLAGS}
 
@@ -71,14 +78,14 @@ LIBCOMPAT=	${COMPATLIB_PROF}
 NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
 NORMAL_C_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} ${PARAM} -c $<
 
-HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
-
 DRIVER_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
 DRIVER_C_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} ${PARAM} -c $<
 
 NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<
 NORMAL_S_C=	${CC} ${AFLAGS} ${CPPFLAGS} ${PARAM} -c $<
 
+HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
+
 %OBJS
 
 %CFILES
@@ -110,14 +117,10 @@ LINKFLAGS+=	-x
 
 %LOAD
 
-assym.h: genassym
-	./genassym >assym.h
-
-genassym: genassym.o
-	${HOSTCC} -o $@ genassym.o
-
-genassym.o: ${SPARC}/sparc/genassym.c
-	${HOSTED_C}
+assym.h: $S/kern/genassym.sh ${SPARC}/sparc/genassym.cf
+	sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} \
+	    ${PARAM} < ${SPARC}/sparc/genassym.cf > assym.h.tmp && \
+	    mv -f assym.h.tmp assym.h
 
 param.c: $S/conf/param.c
 	rm -f param.c
@@ -162,8 +165,6 @@ depend:: .depend
 	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${SPARC}/sparc/locore.s
 	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
 	${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}
-	${MKDEP} -a ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} ${PARAM} \
-		 ${SPARC}/sparc/genassym.c
 
 
 # depend on root or device configuration
@@ -173,7 +174,7 @@ autoconf.o conf.o: Makefile
 uipc_proto.o vfs_conf.o: Makefile 
 
 # depend on maxusers
-genassym.o machdep.o: Makefile
+machdep.o: Makefile
 
 # depend on CPU configuration 
 bwtwo.o cgsix.o cgthree.o cgtwo.o cons.o dma.o esp.o fb.o if_ie.o: Makefile
diff --git a/sys/arch/sparc/sparc/genassym.c b/sys/arch/sparc/sparc/genassym.c
deleted file mode 100644
index ac0b0b8e36b..00000000000
--- a/sys/arch/sparc/sparc/genassym.c
+++ /dev/null
@@ -1,228 +0,0 @@
-/*	$NetBSD: genassym.c,v 1.17.4.1 1996/06/12 20:31:21 pk Exp $ */
-
-/*
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This software was developed by the Computer Systems Engineering group
- * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
- * contributed to Berkeley.
- *
- * All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Lawrence Berkeley Laboratory.
- *
- * 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 the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
- *
- *	@(#)genassym.c	8.1 (Berkeley) 6/11/93
- */
-
-#include <sys/param.h>
-#include <sys/buf.h>
-#include <sys/proc.h>
-#include <sys/map.h>
-#include <sys/proc.h>
-#include <sys/mbuf.h>
-#include <sys/msgbuf.h>
-#include <sys/syscall.h>
-#include <sys/user.h>
-#include <sys/device.h>
-#include <sys/disklabel.h>
-#include <sys/disk.h>
-
-#include <machine/pmap.h>
-#include <machine/cpu.h>
-
-#include <machine/oldmon.h>
-#include <machine/bsd_openprom.h>
-
-#ifdef notyet
-#include <sparc/dev/zsreg.h>
-#include <sparc/dev/zsvar.h>
-#endif
-#include <dev/ic/am7930reg.h>
-#include <sparc/dev/amd7930var.h>
-
-#include <sparc/dev/fdreg.h>
-#include <sparc/dev/fdvar.h>
-
-#include <stdio.h>
-#include <stddef.h>
-
-#define	off(what, str, mem) def(what, (int)offsetof(str, mem))
-
-void def __P((char *, int));
-void flush __P((void));
-int main __P((void));
-
-void
-def(what, where)
-	char *what;
-	int where;
-{
-
-	if (printf("#define\t%s\t%d\n", what, where) < 0) {
-		perror("printf");
-		exit(1);
-	}
-}
-
-void
-flush()
-{
-
-	if (fflush(stdout)) {
-		perror("fflush");
-		exit(1);
-	}
-}
-
-int
-main()
-{
-
-	/* general constants */
-	def("BSD", BSD);
-	def("SUN4_PGSHIFT", SUN4_PGSHIFT);
-	def("SUN4CM_PGSHIFT", SUN4CM_PGSHIFT);
-	def("USRSTACK", USRSTACK);
-
-	/* proc fields and values */
-	off("P_ADDR", struct proc, p_addr);
-	off("P_STAT", struct proc, p_stat);
-	off("P_WCHAN", struct proc, p_wchan);
-	off("P_VMSPACE", struct proc, p_vmspace);
-	def("SRUN", SRUN);
-
-	/* VM structure fields */
-	off("VM_PMAP", struct vmspace, vm_pmap);
-	off("VM_PMAP_CTX", struct vmspace, vm_pmap.pm_ctx);
-	off("VM_PMAP_CTXNUM", struct vmspace, vm_pmap.pm_ctxnum);
-
-	/* interrupt/fault metering */
-	off("V_SWTCH", struct vmmeter, v_swtch);
-	off("V_INTR", struct vmmeter, v_intr);
-	off("V_FAULTS", struct vmmeter, v_faults);
-
-	/* PTE bits and related information */
-	def("PG_W", PG_W);
-	def("PG_VSHIFT", PG_VSHIFT);
-	def("PG_PROTSHIFT", PG_PROTSHIFT);
-	def("PG_PROTUREAD", PG_PROTUREAD);
-	def("PG_PROTUWRITE", PG_PROTUWRITE);
-#if defined(SUN4M)
-	def("SRMMU_TETYPE", SRMMU_TETYPE);
-	def("SRMMU_TEPTE", SRMMU_TEPTE);
-	def("SRMMU_PROT_MASK", SRMMU_PROT_MASK);
-	def("PPROT_R_RW", PPROT_R_RW);
-	def("PPROT_RX_RX", PPROT_RX_RX);
-	def("PPROT_RWX_RWX", PPROT_RWX_RWX);
-	def("PPROT_WRITE", PPROT_WRITE);
-#endif
-
-	/* FPU state */
-	off("FS_REGS", struct fpstate, fs_regs);
-	off("FS_FSR", struct fpstate, fs_fsr);
-	off("FS_QSIZE", struct fpstate, fs_qsize);
-	off("FS_QUEUE", struct fpstate, fs_queue);
-	def("FSR_QNE", FSR_QNE);
-
-	/* system calls */
-	def("SYS_sigreturn", SYS_sigreturn);
-	def("SYS_execve", SYS_execve);
-	def("SYS_exit", SYS_exit);
-
-	/* errno */
-	def("EFAULT", EFAULT);
-	def("ENAMETOOLONG", ENAMETOOLONG);
-
-	/* PCB fields */
-	off("PCB_NSAVED", struct pcb, pcb_nsaved);
-	off("PCB_ONFAULT", struct pcb, pcb_onfault);
-	off("PCB_PSR", struct pcb, pcb_psr);
-	off("PCB_RW", struct pcb, pcb_rw);
-	off("PCB_SP", struct pcb, pcb_sp);
-	off("PCB_PC", struct pcb, pcb_pc);
-	off("PCB_UW", struct pcb, pcb_uw);
-	off("PCB_WIM", struct pcb, pcb_wim);
-
-	/* interrupt enable register PTE */
-	def("IE_REG_PTE_PG", PG_V | PG_W | PG_S | PG_NC | PG_OBIO);
-
-#ifdef notyet
-	/* ZSCC interrupt fields */
-	off("ZSC_A", struct zs_softc, sc_a);
-	off("ZSC_B", struct zs_softc, sc_b);
-/*	off("ZL_WREG", struct zs_line, zl_wreg); */
-	off("ZL_TBC", struct zs_line, zl_tbc);
-	off("ZL_TBA", struct zs_line, zl_tba);
-	off("ZL_RBPUT", struct zs_line, zl_rbput);
-	off("ZL_RBUF", struct zs_line, zl_rbuf);
-	def("ZSRR1_DO_bit", ffs(ZSRR1_DO) - 1);
-#endif
-	/* audio trap handler fields */
-	off("AU_AMD", struct auio, au_amd);
-	off("AU_RDATA", struct auio, au_rdata);
-	off("AU_REND", struct auio, au_rend);
-	off("AU_PDATA", struct auio, au_pdata);
-	off("AU_PEND", struct auio, au_pend);
-	off("AU_EVCNT", struct auio, au_intrcnt.ev_count);
-
-	off("AMD_IR", struct amd7930, ir);
-	off("AMD_BBRB", struct amd7930, bbrb);
-	off("AMD_BBTB", struct amd7930, bbtb);
-
-	def("PROM_BASE", PROM_BASE);
-
-	off("PV_NODEOPS", struct promvec, pv_nodeops);
-	off("PV_HALT", struct promvec, pv_halt);
-	off("PV_EVAL", struct promvec, pv_fortheval.v0_eval);
-	off("PV_ROMVEC_VERS", struct promvec, pv_romvec_vers);
-
-	off("NO_NEXTNODE", struct nodeops, no_nextnode);
-	off("NO_GETPROP", struct nodeops, no_getprop);
-
-	off("OLDMON_PRINTF", struct om_vector, printf);
-	off("OLDMON_HALT", struct om_vector, exitToMon);
-
-	/* floppy trap handler fields */
-	off("FDC_REG_MSR", struct fdcio, fdcio_reg_msr);
-	off("FDC_REG_FIFO", struct fdcio, fdcio_reg_fifo);
-	off("FDC_ISTATE", struct fdcio, fdcio_istate);
-	off("FDC_STATUS", struct fdcio, fdcio_status);
-	off("FDC_NSTAT", struct fdcio, fdcio_nstat);
-	off("FDC_DATA", struct fdcio, fdcio_data);
-	off("FDC_TC", struct fdcio, fdcio_tc);
-	off("FDC_EVCNT", struct fdcio, fdcio_intrcnt.ev_count);
-
-	flush();
-
-	return(0);
-}
diff --git a/sys/arch/sparc/sparc/genassym.cf b/sys/arch/sparc/sparc/genassym.cf
new file mode 100644
index 00000000000..338ff4b89b0
--- /dev/null
+++ b/sys/arch/sparc/sparc/genassym.cf
@@ -0,0 +1,188 @@
+#	$OpenBSD: genassym.cf,v 1.1 1997/06/25 14:47:12 downsj Exp $
+#
+# Copyright (c) 1992, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This software was developed by the Computer Systems Engineering group
+# at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+# contributed to Berkeley.
+#
+# All advertising materials mentioning features or use of this software
+# must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Lawrence Berkeley Laboratory.
+#
+# 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 the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
+#
+#	@(#)genassym.c	8.1 (Berkeley) 6/11/93
+#
+
+include <sys/param.h>
+include <sys/buf.h>
+include <sys/proc.h>
+include <sys/map.h>
+include <sys/proc.h>
+include <sys/mbuf.h>
+include <sys/msgbuf.h>
+include <sys/syscall.h>
+include <sys/user.h>
+include <sys/device.h>
+include <sys/disklabel.h>
+include <sys/disk.h>
+
+include <machine/pmap.h>
+include <machine/cpu.h>
+
+include <machine/oldmon.h>
+include <machine/bsd_openprom.h>
+
+ifdef notyet
+include <sparc/dev/zsreg.h>
+include <sparc/dev/zsvar.h>
+endif
+include <dev/ic/am7930reg.h>
+include <sparc/dev/amd7930var.h>
+
+include <sparc/dev/fdreg.h>
+include <sparc/dev/fdvar.h>
+
+# general constants
+define	BSD		BSD
+define	SUN4_PGSHIFT	SUN4_PGSHIFT
+define	SUN4CM_PGSHIFT	SUN4CM_PGSHIFT
+define	USRSTACK	USRSTACK
+
+# proc fields and values
+define	P_ADDR		offsetof(struct proc, p_addr)
+define	P_STAT		offsetof(struct proc, p_stat)
+define	P_WCHAN		offsetof(struct proc, p_wchan)
+define	P_VMSPACE	offsetof(struct proc, p_vmspace)
+define	SRUN		SRUN
+
+# VM structure fields
+define	VM_PMAP		offsetof(struct vmspace, vm_pmap)
+define	VM_PMAP_CTX	offsetof(struct vmspace, vm_pmap.pm_ctx)
+define	VM_PMAP_CTXNUM	offsetof(struct vmspace, vm_pmap.pm_ctxnum)
+
+# interrupt/fault metering
+define	V_SWTCH		offsetof(struct vmmeter, v_swtch)
+define	V_INTR		offsetof(struct vmmeter, v_intr)
+define	V_FAULTS	offsetof(struct vmmeter, v_faults)
+
+# PTE bits and related information
+define	PG_W		PG_W
+define	PG_VSHIFT	PG_VSHIFT
+define	PG_PROTSHIFT	PG_PROTSHIFT
+define	PG_PROTUREAD	PG_PROTUREAD
+define	PG_PROTUWRITE	PG_PROTUWRITE
+ifdef SUN4M
+define	SRMMU_TETYPE	SRMMU_TETYPE
+define	SRMMU_TEPTE	SRMMU_TEPTE
+define	SRMMU_PROT_MASK	SRMMU_PROT_MASK
+define	PPROT_R_RW	PPROT_R_RW
+define	PPROT_RX_RX	PPROT_RX_RX
+define	PPROT_RWX_RWX	PPROT_RWX_RWX
+define	PPROT_WRITE	PPROT_WRITE
+endif
+
+# FPU state
+define	FS_REGS		offsetof(struct fpstate, fs_regs)
+define	FS_FSR		offsetof(struct fpstate, fs_fsr)
+define	FS_QSIZE	offsetof(struct fpstate, fs_qsize)
+define	FS_QUEUE	offsetof(struct fpstate, fs_queue)
+define	FSR_QNE		FSR_QNE
+
+# system calls
+define	SYS_sigreturn	SYS_sigreturn
+define	SYS_execve	SYS_execve
+define	SYS_exit	SYS_exit
+
+# errno
+define	EFAULT		EFAULT
+define	ENAMETOOLONG	ENAMETOOLONG
+
+# PCB fields
+define	PCB_NSAVED	offsetof(struct pcb, pcb_nsaved)
+define	PCB_ONFAULT	offsetof(struct pcb, pcb_onfault)
+define	PCB_PSR		offsetof(struct pcb, pcb_psr)
+define	PCB_RW		offsetof(struct pcb, pcb_rw)
+define	PCB_SP		offsetof(struct pcb, pcb_sp)
+define	PCB_PC		offsetof(struct pcb, pcb_pc)
+define	PCB_UW		offsetof(struct pcb, pcb_uw)
+define	PCB_WIM		offsetof(struct pcb, pcb_wim)
+
+# interrupt enable register PTE
+define	IE_REG_PTE_PG	PG_V | PG_W | PG_S | PG_NC | PG_OBIO
+
+ifdef notyet
+# ZSCC interrupt fields
+define	ZSC_A		offsetof(struct zs_softc, sc_a)
+define	ZSC_B		offsetof(struct zs_softc, sc_b)
+# define	ZL_WREG		offsetof(struct zs_line, zl_wreg)
+define	ZL_TBC		offsetof(struct zs_line, zl_tbc)
+define	ZL_TBA		offsetof(struct zs_line, zl_tba)
+define	ZL_RBPUT	offsetof(struct zs_line, zl_rbput)
+define	ZL_RBUF		offsetof(struct zs_line, zl_rbuf)
+define	ZSRR1_DO_bit	ffs(ZSRR1_DO) - 1
+endif
+
+# audio trap handler fields
+define	AU_AMD		offsetof(struct auio, au_amd)
+define	AU_RDATA	offsetof(struct auio, au_rdata)
+define	AU_REND		offsetof(struct auio, au_rend)
+define	AU_PDATA	offsetof(struct auio, au_pdata)
+define	AU_PEND		offsetof(struct auio, au_pend)
+define	AU_EVCNT	offsetof(struct auio, au_intrcnt.ev_count)
+
+define	AMD_IR		offsetof(struct amd7930, ir)
+define	AMD_BBRB	offsetof(struct amd7930, bbrb)
+define	AMD_BBTB	offsetof(struct amd7930, bbtb)
+
+define	PROM_BASE	PROM_BASE
+
+define	PV_NODEOPS	offsetof(struct promvec, pv_nodeops)
+define	PV_HALT		offsetof(struct promvec, pv_halt)
+define	PV_EVAL		offsetof(struct promvec, pv_fortheval.v0_eval)
+define	PV_ROMVEC_VERS	offsetof(struct promvec, pv_romvec_vers)
+
+define	NO_NEXTNODE	offsetof(struct nodeops, no_nextnode)
+define	NO_GETPROP	offsetof(struct nodeops, no_getprop)
+
+define	OLDMON_PRINTF	offsetof(struct om_vector, printf)
+define	OLDMON_HALT	offsetof(struct om_vector, exitToMon)
+
+# floppy trap handler fields
+define	FDC_REG_MSR	offsetof(struct fdcio, fdcio_reg_msr)
+define	FDC_REG_FIFO	offsetof(struct fdcio, fdcio_reg_fifo)
+define	FDC_ISTATE	offsetof(struct fdcio, fdcio_istate)
+define	FDC_STATUS	offsetof(struct fdcio, fdcio_status)
+define	FDC_NSTAT	offsetof(struct fdcio, fdcio_nstat)
+define	FDC_DATA	offsetof(struct fdcio, fdcio_data)
+define	FDC_TC		offsetof(struct fdcio, fdcio_tc)
+define	FDC_EVCNT	offsetof(struct fdcio, fdcio_intrcnt.ev_count)