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-rw-r--r--sim/ppc/emul_netbsd.c1439
1 files changed, 1439 insertions, 0 deletions
diff --git a/sim/ppc/emul_netbsd.c b/sim/ppc/emul_netbsd.c
new file mode 100644
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--- /dev/null
+++ b/sim/ppc/emul_netbsd.c
@@ -0,0 +1,1439 @@
+/* This file is part of the program psim.
+
+ Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ */
+
+
+#ifndef _EMUL_NETBSD_C_
+#define _EMUL_NETBSD_C_
+
+
+/* Note: this module is called via a table. There is no benefit in
+ making it inline */
+
+#include "emul_generic.h"
+#include "emul_netbsd.h"
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/errno.h>
+#include <sys/param.h>
+#include <sys/time.h>
+
+#ifdef HAVE_GETRUSAGE
+#ifndef HAVE_SYS_RESOURCE_H
+#undef HAVE_GETRUSAGE
+#endif
+#endif
+
+#ifdef HAVE_GETRUSAGE
+#include <sys/resource.h>
+int getrusage();
+#endif
+
+#if HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#ifdef HAVE_UNISTD_H
+#undef MAXPATHLEN /* sys/param.h might define this also */
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#define WITH_NetBSD_HOST (NetBSD >= 199306)
+#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
+#include <sys/syscall.h> /* FIXME - should not be including this one */
+#include <sys/sysctl.h>
+extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
+#else
+
+/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
+#undef HAVE_FSTATFS
+#undef HAVE_GETDIRENTRIES
+#endif
+
+#if (BSD < 199306) /* here BSD as just a bug */
+extern int errno;
+#endif
+
+#ifndef STATIC_INLINE_EMUL_NETBSD
+#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
+#endif
+
+
+#if WITH_NetBSD_HOST
+#define SYS(X) ASSERT(call == (SYS_##X))
+#else
+#define SYS(X)
+#endif
+
+#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
+#error "PATH_MAX not 1024"
+#elif !defined(PATH_MAX)
+#define PATH_MAX 1024
+#endif
+
+
+/* EMULATION
+
+ NetBSD - Emulation of user programs for NetBSD/PPC
+
+ DESCRIPTION
+
+ */
+
+
+/* NetBSD's idea of what is needed to implement emulations */
+
+struct _os_emul_data {
+ device *vm;
+ emul_syscall *syscalls;
+};
+
+
+
+STATIC_INLINE_EMUL_NETBSD void
+write_stat(unsigned_word addr,
+ struct stat buf,
+ cpu *processor,
+ unsigned_word cia)
+{
+ H2T(buf.st_dev);
+ H2T(buf.st_ino);
+ H2T(buf.st_mode);
+ H2T(buf.st_nlink);
+ H2T(buf.st_uid);
+ H2T(buf.st_gid);
+ H2T(buf.st_size);
+ H2T(buf.st_atime);
+ /* H2T(buf.st_spare1); */
+ H2T(buf.st_mtime);
+ /* H2T(buf.st_spare2); */
+ H2T(buf.st_ctime);
+ /* H2T(buf.st_spare3); */
+#ifdef AC_STRUCT_ST_RDEV
+ H2T(buf.st_rdev);
+#endif
+#ifdef AC_STRUCT_ST_BLKSIZE
+ H2T(buf.st_blksize);
+#endif
+#ifdef AC_STRUCT_ST_BLOCKS
+ H2T(buf.st_blocks);
+#endif
+#if WITH_NetBSD_HOST
+ H2T(buf.st_flags);
+ H2T(buf.st_gen);
+#endif
+ emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
+}
+
+
+#ifdef HAVE_FSTATFS
+STATIC_INLINE_EMUL_NETBSD void
+write_statfs(unsigned_word addr,
+ struct statfs buf,
+ cpu *processor,
+ unsigned_word cia)
+{
+ H2T(buf.f_type);
+ H2T(buf.f_flags);
+ H2T(buf.f_bsize);
+ H2T(buf.f_iosize);
+ H2T(buf.f_blocks);
+ H2T(buf.f_bfree);
+ H2T(buf.f_bavail);
+ H2T(buf.f_files);
+ H2T(buf.f_ffree);
+ H2T(buf.f_fsid.val[0]);
+ H2T(buf.f_fsid.val[1]);
+ H2T(buf.f_owner);
+ /* f_spare[4]; */
+ /* f_fstypename[MFSNAMELEN]; */
+ /* f_mntonname[MNAMELEN]; */
+ /* f_mntfromname[MNAMELEN]; */
+ emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
+}
+#endif
+
+
+STATIC_INLINE_EMUL_NETBSD void
+write_timeval(unsigned_word addr,
+ struct timeval t,
+ cpu *processor,
+ unsigned_word cia)
+{
+ H2T(t.tv_sec);
+ H2T(t.tv_usec);
+ emul_write_buffer(&t, addr, sizeof(t), processor, cia);
+}
+
+
+STATIC_INLINE_EMUL_NETBSD void
+write_timezone(unsigned_word addr,
+ struct timezone tz,
+ cpu *processor,
+ unsigned_word cia)
+{
+ H2T(tz.tz_minuteswest);
+ H2T(tz.tz_dsttime);
+ emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
+}
+
+
+#ifdef HAVE_GETDIRENTRIES
+STATIC_INLINE_EMUL_NETBSD void
+write_direntries(unsigned_word addr,
+ char *buf,
+ int nbytes,
+ cpu *processor,
+ unsigned_word cia)
+{
+ while (nbytes > 0) {
+ struct dirent *out;
+ struct dirent *in = (struct dirent*)buf;
+ ASSERT(in->d_reclen <= nbytes);
+ out = (struct dirent*)zalloc(in->d_reclen);
+ memcpy(out/*dest*/, in/*src*/, in->d_reclen);
+ H2T(out->d_fileno);
+ H2T(out->d_reclen);
+ H2T(out->d_type);
+ H2T(out->d_namlen);
+ emul_write_buffer(out, addr, in->d_reclen, processor, cia);
+ nbytes -= in->d_reclen;
+ addr += in->d_reclen;
+ buf += in->d_reclen;
+ zfree(out);
+ }
+}
+#endif
+
+
+#ifdef HAVE_GETRUSAGE
+STATIC_INLINE_EMUL_NETBSD void
+write_rusage(unsigned_word addr,
+ struct rusage rusage,
+ cpu *processor,
+ unsigned_word cia)
+{
+ H2T(rusage.ru_utime.tv_sec); /* user time used */
+ H2T(rusage.ru_utime.tv_usec);
+ H2T(rusage.ru_stime.tv_sec); /* system time used */
+ H2T(rusage.ru_stime.tv_usec);
+ H2T(rusage.ru_maxrss); /* integral max resident set size */
+ H2T(rusage.ru_ixrss); /* integral shared text memory size */
+ H2T(rusage.ru_idrss); /* integral unshared data size */
+ H2T(rusage.ru_isrss); /* integral unshared stack size */
+ H2T(rusage.ru_minflt); /* page reclaims */
+ H2T(rusage.ru_majflt); /* page faults */
+ H2T(rusage.ru_nswap); /* swaps */
+ H2T(rusage.ru_inblock); /* block input operations */
+ H2T(rusage.ru_oublock); /* block output operations */
+ H2T(rusage.ru_msgsnd); /* messages sent */
+ H2T(rusage.ru_msgrcv); /* messages received */
+ H2T(rusage.ru_nsignals); /* signals received */
+ H2T(rusage.ru_nvcsw); /* voluntary context switches */
+ H2T(rusage.ru_nivcsw); /* involuntary context switches */
+ emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
+}
+#endif
+
+static void
+do_exit(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int status = (int)cpu_registers(processor)->gpr[arg0];
+ SYS(exit);
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d)\n", status);
+
+ cpu_halt(processor, cia, was_exited, status);
+}
+
+
+static void
+do_read(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ void *scratch_buffer;
+ int d = (int)cpu_registers(processor)->gpr[arg0];
+ unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
+ int nbytes = cpu_registers(processor)->gpr[arg0+2];
+ int status;
+ SYS(read);
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
+
+ /* get a tempoary bufer */
+ scratch_buffer = zalloc(nbytes);
+
+ /* check if buffer exists by reading it */
+ emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
+
+ /* read */
+#if 0
+ if (d == 0) {
+ status = fread (scratch_buffer, 1, nbytes, stdin);
+ if (status == 0 && ferror (stdin))
+ status = -1;
+ }
+#endif
+ status = read (d, scratch_buffer, nbytes);
+
+ emul_write_status(processor, status, errno);
+ if (status > 0)
+ emul_write_buffer(scratch_buffer, buf, status, processor, cia);
+
+ zfree(scratch_buffer);
+}
+
+
+static void
+do_write(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ void *scratch_buffer = NULL;
+ int d = (int)cpu_registers(processor)->gpr[arg0];
+ unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
+ int nbytes = cpu_registers(processor)->gpr[arg0+2];
+ int status;
+ SYS(write);
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
+
+ /* get a tempoary bufer */
+ scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
+
+ /* copy in */
+ emul_read_buffer(scratch_buffer, buf, nbytes,
+ processor, cia);
+
+ /* write */
+ status = write(d, scratch_buffer, nbytes);
+ emul_write_status(processor, status, errno);
+ zfree(scratch_buffer);
+
+ flush_stdoutput();
+}
+
+
+static void
+do_open(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
+ char path_buf[PATH_MAX];
+ char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
+ int flags = (int)cpu_registers(processor)->gpr[arg0+1];
+ int mode = (int)cpu_registers(processor)->gpr[arg0+2];
+ int status;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
+
+ SYS(open);
+
+ /* Can't combine these statements, cuz open sets errno. */
+ status = open(path, flags, mode);
+ emul_write_status(processor, status, errno);
+}
+
+
+static void
+do_close(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int d = (int)cpu_registers(processor)->gpr[arg0];
+ int status;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d", d);
+
+ SYS(close);
+
+ /* Can't combine these statements, cuz close sets errno. */
+ status = close(d);
+ emul_write_status(processor, status, errno);
+}
+
+
+static void
+do_break(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ /* just pass this onto the `vm' device */
+ unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
+ int status;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
+
+ SYS(break);
+ status = device_ioctl(emul->vm,
+ processor,
+ cia,
+ device_ioctl_break,
+ new_break); /*ioctl-data*/
+ emul_write_status(processor, 0, status);
+}
+
+
+#ifndef HAVE_GETPID
+#define do_getpid 0
+#else
+static void
+do_getpid(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(getpid);
+ emul_write_status(processor, (int)getpid(), 0);
+}
+#endif
+
+#ifndef HAVE_GETUID
+#define do_getuid 0
+#else
+static void
+do_getuid(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(getuid);
+ emul_write_status(processor, (int)getuid(), 0);
+}
+#endif
+
+#ifndef HAVE_GETEUID
+#define do_geteuid 0
+#else
+static void
+do_geteuid(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(geteuid);
+ emul_write_status(processor, (int)geteuid(), 0);
+}
+#endif
+
+#ifndef HAVE_KILL
+#define do_kill 0
+#else
+static void
+do_kill(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ pid_t pid = cpu_registers(processor)->gpr[arg0];
+ int sig = cpu_registers(processor)->gpr[arg0+1];
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, %d", (int)pid, sig);
+
+ SYS(kill);
+ printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
+ (long)cia);
+ cpu_halt(processor, cia, was_signalled, sig);
+}
+#endif
+
+#ifndef HAVE_DUP
+#define do_dup 0
+#else
+static void
+do_dup(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int oldd = cpu_registers(processor)->gpr[arg0];
+ int status = dup(oldd);
+ int err = errno;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d", oldd);
+
+ SYS(dup);
+ emul_write_status(processor, status, err);
+}
+#endif
+
+#ifndef HAVE_GETEGID
+#define do_getegid 0
+#else
+static void
+do_getegid(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(getegid);
+ emul_write_status(processor, (int)getegid(), 0);
+}
+#endif
+
+#ifndef HAVE_GETGID
+#define do_getgid 0
+#else
+static void
+do_getgid(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(getgid);
+ emul_write_status(processor, (int)getgid(), 0);
+}
+#endif
+
+#ifndef HAVE_SIGPROCMASK
+#define do_sigprocmask 0
+#else
+static void
+do_sigprocmask(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ natural_word how = cpu_registers(processor)->gpr[arg0];
+ unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
+ unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
+ SYS(sigprocmask);
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
+
+ emul_write_status(processor, 0, 0);
+ cpu_registers(processor)->gpr[4] = set;
+}
+#endif
+
+#ifndef HAVE_IOCTL
+#define do_ioctl 0
+#else
+static void
+do_ioctl(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int d = cpu_registers(processor)->gpr[arg0];
+ unsigned request = cpu_registers(processor)->gpr[arg0+1];
+ unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
+
+#if !WITH_NetBSD_HOST
+ cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
+#else
+ unsigned dir = request & IOC_DIRMASK;
+ int status;
+ SYS(ioctl);
+ /* what we haven't done */
+ if (dir & IOC_IN /* write into the io device */
+ || dir & IOC_OUT
+ || !(dir & IOC_VOID))
+ error("do_ioctl() read or write of parameter not implemented\n");
+ status = ioctl(d, request, NULL);
+ emul_write_status(processor, status, errno);
+#endif
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
+}
+#endif
+
+#ifndef HAVE_UMASK
+#define do_umask 0
+#else
+static void
+do_umask(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int mask = cpu_registers(processor)->gpr[arg0];
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("0%o", mask);
+
+ SYS(umask);
+ emul_write_status(processor, umask(mask), 0);
+}
+#endif
+
+#ifndef HAVE_DUP2
+#define do_dup2 0
+#else
+static void
+do_dup2(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int oldd = cpu_registers(processor)->gpr[arg0];
+ int newd = cpu_registers(processor)->gpr[arg0+1];
+ int status = dup2(oldd, newd);
+ int err = errno;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, %d", oldd, newd);
+
+ SYS(dup2);
+ emul_write_status(processor, status, err);
+}
+#endif
+
+#ifndef HAVE_FCNTL
+#define do_fcntl 0
+#else
+static void
+do_fcntl(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int fd = cpu_registers(processor)->gpr[arg0];
+ int cmd = cpu_registers(processor)->gpr[arg0+1];
+ int arg = cpu_registers(processor)->gpr[arg0+2];
+ int status;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, %d, %d", fd, cmd, arg);
+
+ SYS(fcntl);
+ status = fcntl(fd, cmd, arg);
+ emul_write_status(processor, status, errno);
+}
+#endif
+
+#ifndef HAVE_GETTIMEOFDAY
+#define do_gettimeofday 0
+#else
+static void
+do_gettimeofday(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
+ unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
+ struct timeval t;
+ struct timezone tz;
+ int status = gettimeofday((t_addr != 0 ? &t : NULL),
+ (tz_addr != 0 ? &tz : NULL));
+ int err = errno;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
+
+ SYS(gettimeofday);
+ emul_write_status(processor, status, err);
+ if (status == 0) {
+ if (t_addr != 0)
+ write_timeval(t_addr, t, processor, cia);
+ if (tz_addr != 0)
+ write_timezone(tz_addr, tz, processor, cia);
+ }
+}
+#endif
+
+#ifndef HAVE_GETRUSAGE
+#define do_getrusage 0
+#else
+static void
+do_getrusage(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int who = cpu_registers(processor)->gpr[arg0];
+ unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
+ struct rusage rusage;
+ int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
+ int err = errno;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
+
+ SYS(getrusage);
+ emul_write_status(processor, status, err);
+ if (status == 0) {
+ if (rusage_addr != 0)
+ write_rusage(rusage_addr, rusage, processor, cia);
+ }
+}
+#endif
+
+
+#ifndef HAVE_FSTATFS
+#define do_fstatfs 0
+#else
+static void
+do_fstatfs(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int fd = cpu_registers(processor)->gpr[arg0];
+ unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
+ struct statfs buf;
+ int status;
+
+ if (WITH_TRACE && ppc_trace[trace_os_emul])
+ printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
+
+ SYS(fstatfs);
+ status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
+ emul_write_status(processor, status, errno);
+ if (status == 0) {
+ if (buf_addr != 0)
+ write_statfs(buf_addr, buf, processor, cia);
+ }
+}
+#endif
+
+#ifndef HAVE_STAT
+#define do_stat 0
+#else
+static void
+do_stat(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ char path_buf[PATH_MAX];
+ unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
+ unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
+ char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
+ struct stat buf;
+ int status;
+ SYS(stat);
+ status = stat(path, &buf);
+ emul_write_status(processor, status, errno);
+ if (status == 0)
+ write_stat(stat_buf_addr, buf, processor, cia);
+}
+#endif
+
+#ifndef HAVE_FSTAT
+#define do_fstat 0
+#else
+static void
+do_fstat(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int fd = cpu_registers(processor)->gpr[arg0];
+ unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
+ struct stat buf;
+ int status;
+ SYS(fstat);
+ /* Can't combine these statements, cuz fstat sets errno. */
+ status = fstat(fd, &buf);
+ emul_write_status(processor, status, errno);
+ write_stat(stat_buf_addr, buf, processor, cia);
+}
+#endif
+
+#ifndef HAVE_LSTAT
+#define do_lstat 0
+#else
+static void
+do_lstat(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ char path_buf[PATH_MAX];
+ unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
+ char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
+ unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
+ struct stat buf;
+ int status;
+ SYS(lstat);
+ /* Can't combine these statements, cuz lstat sets errno. */
+ status = lstat(path, &buf);
+ emul_write_status(processor, status, errno);
+ write_stat(stat_buf_addr, buf, processor, cia);
+}
+#endif
+
+#ifndef HAVE_GETDIRENTRIES
+#define do_getdirentries 0
+#else
+static void
+do_getdirentries(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int fd = cpu_registers(processor)->gpr[arg0];
+ unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
+ char *buf;
+ int nbytes = cpu_registers(processor)->gpr[arg0+2];
+ unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
+ long basep;
+ int status;
+ SYS(getdirentries);
+ if (buf_addr != 0 && nbytes >= 0)
+ buf = zalloc(nbytes);
+ else
+ buf = NULL;
+ status = getdirentries(fd,
+ (buf_addr == 0 ? NULL : buf),
+ nbytes,
+ (basep_addr == 0 ? NULL : &basep));
+ emul_write_status(processor, status, errno);
+ if (basep_addr != 0)
+ emul_write_word(basep_addr, basep, processor, cia);
+ if (status > 0)
+ write_direntries(buf_addr, buf, status, processor, cia);
+ if (buf != NULL)
+ zfree(buf);
+}
+#endif
+
+
+static void
+do___syscall(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ SYS(__syscall);
+ emul_do_system_call(emul,
+ emul->syscalls,
+ cpu_registers(processor)->gpr[arg0],
+ arg0 + 1,
+ processor,
+ cia);
+}
+
+#ifndef HAVE_LSEEK
+#define do_lseek 0
+#else
+static void
+do_lseek(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ int fildes = cpu_registers(processor)->gpr[arg0];
+ off_t offset = emul_read_gpr64(processor, arg0+2);
+ int whence = cpu_registers(processor)->gpr[arg0+4];
+ off_t status;
+ SYS(lseek);
+ status = lseek(fildes, offset, whence);
+ if (status == -1)
+ emul_write_status(processor, -1, errno);
+ else {
+ emul_write_status(processor, 0, 0); /* success */
+ emul_write_gpr64(processor, 3, status);
+ }
+}
+#endif
+
+static void
+do___sysctl(os_emul_data *emul,
+ unsigned call,
+ const int arg0,
+ cpu *processor,
+ unsigned_word cia)
+{
+ /* call the arguments by their real name */
+ unsigned_word name = cpu_registers(processor)->gpr[arg0];
+ natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
+ unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
+ unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
+ natural_word oldlen;
+ natural_word mib;
+ natural_word int_val;
+ SYS(__sysctl);
+
+ /* pluck out the management information base id */
+ if (namelen < 1)
+ error("system_call()SYS___sysctl bad name[0]\n");
+ mib = vm_data_map_read_word(cpu_data_map(processor),
+ name,
+ processor,
+ cia);
+ name += sizeof(mib);
+
+ /* see what to do with it ... */
+ switch ((int)mib) {
+ case 6/*CTL_HW*/:
+#if WITH_NetBSD_HOST && (CTL_HW != 6)
+# error "CTL_HW"
+#endif
+ if (namelen < 2)
+ error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
+ mib = vm_data_map_read_word(cpu_data_map(processor),
+ name,
+ processor,
+ cia);
+ name += sizeof(mib);
+ switch ((int)mib) {
+ case 7/*HW_PAGESIZE*/:
+#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
+# error "HW_PAGESIZE"
+#endif
+ oldlen = vm_data_map_read_word(cpu_data_map(processor),
+ oldlenp,
+ processor,
+ cia);
+ if (sizeof(natural_word) > oldlen)
+ error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
+ int_val = 8192;
+ oldlen = sizeof(int_val);
+ emul_write_word(oldp, int_val, processor, cia);
+ emul_write_word(oldlenp, oldlen, processor, cia);
+ break;
+ default:
+ error("sysctl() CTL_HW.%d unknown\n", mib);
+ break;
+ }
+ break;
+ default:
+ error("sysctl() name[0]=%d unknown\n", (int)mib);
+ break;
+ }
+ emul_write_status(processor, 0, 0); /* always succeed */
+}
+
+
+
+static emul_syscall_descriptor netbsd_descriptors[] = {
+ /* 0 */ { 0, "syscall" },
+ /* 1 */ { do_exit, "exit" },
+ /* 2 */ { 0, "fork" },
+ /* 3 */ { do_read, "read" },
+ /* 4 */ { do_write, "write" },
+ /* 5 */ { do_open, "open" },
+ /* 6 */ { do_close, "close" },
+ /* 7 */ { 0, "wait4" },
+ { 0, }, /* 8 is old creat */
+ /* 9 */ { 0, "link" },
+ /* 10 */ { 0, "unlink" },
+ { 0, }, /* 11 is obsolete execv */
+ /* 12 */ { 0, "chdir" },
+ /* 13 */ { 0, "fchdir" },
+ /* 14 */ { 0, "mknod" },
+ /* 15 */ { 0, "chmod" },
+ /* 16 */ { 0, "chown" },
+ /* 17 */ { do_break, "break" },
+ /* 18 */ { 0, "getfsstat" },
+ { 0, }, /* 19 is old lseek */
+ /* 20 */ { do_getpid, "getpid" },
+ /* 21 */ { 0, "mount" },
+ /* 22 */ { 0, "unmount" },
+ /* 23 */ { 0, "setuid" },
+ /* 24 */ { do_getuid, "getuid" },
+ /* 25 */ { do_geteuid, "geteuid" },
+ /* 26 */ { 0, "ptrace" },
+ /* 27 */ { 0, "recvmsg" },
+ /* 28 */ { 0, "sendmsg" },
+ /* 29 */ { 0, "recvfrom" },
+ /* 30 */ { 0, "accept" },
+ /* 31 */ { 0, "getpeername" },
+ /* 32 */ { 0, "getsockname" },
+ /* 33 */ { 0, "access" },
+ /* 34 */ { 0, "chflags" },
+ /* 35 */ { 0, "fchflags" },
+ /* 36 */ { 0, "sync" },
+ /* 37 */ { do_kill, "kill" },
+ { 0, }, /* 38 is old stat */
+ /* 39 */ { 0, "getppid" },
+ { 0, }, /* 40 is old lstat */
+ /* 41 */ { do_dup, "dup" },
+ /* 42 */ { 0, "pipe" },
+ /* 43 */ { do_getegid, "getegid" },
+ /* 44 */ { 0, "profil" },
+ /* 45 */ { 0, "ktrace" },
+ /* 46 */ { 0, "sigaction" },
+ /* 47 */ { do_getgid, "getgid" },
+ /* 48 */ { do_sigprocmask, "sigprocmask" },
+ /* 49 */ { 0, "getlogin" },
+ /* 50 */ { 0, "setlogin" },
+ /* 51 */ { 0, "acct" },
+ /* 52 */ { 0, "sigpending" },
+ /* 53 */ { 0, "sigaltstack" },
+ /* 54 */ { do_ioctl, "ioctl" },
+ /* 55 */ { 0, "reboot" },
+ /* 56 */ { 0, "revoke" },
+ /* 57 */ { 0, "symlink" },
+ /* 58 */ { 0, "readlink" },
+ /* 59 */ { 0, "execve" },
+ /* 60 */ { do_umask, "umask" },
+ /* 61 */ { 0, "chroot" },
+ { 0, }, /* 62 is old fstat */
+ { 0, }, /* 63 is old getkerninfo */
+ { 0, }, /* 64 is old getpagesize */
+ /* 65 */ { 0, "msync" },
+ /* 66 */ { 0, "vfork" },
+ { 0, }, /* 67 is obsolete vread */
+ { 0, }, /* 68 is obsolete vwrite */
+ /* 69 */ { 0, "sbrk" },
+ /* 70 */ { 0, "sstk" },
+ { 0, }, /* 71 is old mmap */
+ /* 72 */ { 0, "vadvise" },
+ /* 73 */ { 0, "munmap" },
+ /* 74 */ { 0, "mprotect" },
+ /* 75 */ { 0, "madvise" },
+ { 0, }, /* 76 is obsolete vhangup */
+ { 0, }, /* 77 is obsolete vlimit */
+ /* 78 */ { 0, "mincore" },
+ /* 79 */ { 0, "getgroups" },
+ /* 80 */ { 0, "setgroups" },
+ /* 81 */ { 0, "getpgrp" },
+ /* 82 */ { 0, "setpgid" },
+ /* 83 */ { 0, "setitimer" },
+ { 0, }, /* 84 is old wait */
+ /* 85 */ { 0, "swapon" },
+ /* 86 */ { 0, "getitimer" },
+ { 0, }, /* 87 is old gethostname */
+ { 0, }, /* 88 is old sethostname */
+ { 0, }, /* 89 is old getdtablesize */
+ { do_dup2, "dup2" },
+ { 0, }, /* 91 */
+ /* 92 */ { do_fcntl, "fcntl" },
+ /* 93 */ { 0, "select" },
+ { 0, }, /* 94 */
+ /* 95 */ { 0, "fsync" },
+ /* 96 */ { 0, "setpriority" },
+ /* 97 */ { 0, "socket" },
+ /* 98 */ { 0, "connect" },
+ { 0, }, /* 99 is old accept */
+ /* 100 */ { 0, "getpriority" },
+ { 0, }, /* 101 is old send */
+ { 0, }, /* 102 is old recv */
+ /* 103 */ { 0, "sigreturn" },
+ /* 104 */ { 0, "bind" },
+ /* 105 */ { 0, "setsockopt" },
+ /* 106 */ { 0, "listen" },
+ { 0, }, /* 107 is obsolete vtimes */
+ { 0, }, /* 108 is old sigvec */
+ { 0, }, /* 109 is old sigblock */
+ { 0, }, /* 110 is old sigsetmask */
+ /* 111 */ { 0, "sigsuspend" },
+ { 0, }, /* 112 is old sigstack */
+ { 0, }, /* 113 is old recvmsg */
+ { 0, }, /* 114 is old sendmsg */
+ /* - is obsolete vtrace */ { 0, "vtrace 115" },
+ /* 116 */ { do_gettimeofday, "gettimeofday" },
+ /* 117 */ { do_getrusage, "getrusage" },
+ /* 118 */ { 0, "getsockopt" },
+ /* 119 */ { 0, "resuba" },
+ /* 120 */ { 0, "readv" },
+ /* 121 */ { 0, "writev" },
+ /* 122 */ { 0, "settimeofday" },
+ /* 123 */ { 0, "fchown" },
+ /* 124 */ { 0, "fchmod" },
+ { 0, }, /* 125 is old recvfrom */
+ { 0, }, /* 126 is old setreuid */
+ { 0, }, /* 127 is old setregid */
+ /* 128 */ { 0, "rename" },
+ { 0, }, /* 129 is old truncate */
+ { 0, }, /* 130 is old ftruncate */
+ /* 131 */ { 0, "flock" },
+ /* 132 */ { 0, "mkfifo" },
+ /* 133 */ { 0, "sendto" },
+ /* 134 */ { 0, "shutdown" },
+ /* 135 */ { 0, "socketpair" },
+ /* 136 */ { 0, "mkdir" },
+ /* 137 */ { 0, "rmdir" },
+ /* 138 */ { 0, "utimes" },
+ { 0, }, /* 139 is obsolete 4.2 sigreturn */
+ /* 140 */ { 0, "adjtime" },
+ { 0, }, /* 141 is old getpeername */
+ { 0, }, /* 142 is old gethostid */
+ { 0, }, /* 143 is old sethostid */
+ { 0, }, /* 144 is old getrlimit */
+ { 0, }, /* 145 is old setrlimit */
+ { 0, }, /* 146 is old killpg */
+ /* 147 */ { 0, "setsid" },
+ /* 148 */ { 0, "quotactl" },
+ { 0, }, /* 149 is old quota */
+ { 0, }, /* 150 is old getsockname */
+ { 0, }, /* 151 */
+ { 0, }, /* 152 */
+ { 0, }, /* 153 */
+ { 0, }, /* 154 */
+ /* 155 */ { 0, "nfssvc" },
+ { 0, }, /* 156 is old getdirentries */
+ /* 157 */ { 0, "statfs" },
+ /* 158 */ { do_fstatfs, "fstatfs" },
+ { 0, }, /* 159 */
+ { 0, }, /* 160 */
+ /* 161 */ { 0, "getfh" },
+ { 0, }, /* 162 is old getdomainname */
+ { 0, }, /* 163 is old setdomainname */
+ { 0, }, /* 164 is old uname */
+ /* 165 */ { 0, "sysarch" },
+ { 0, }, /* 166 */
+ { 0, }, /* 167 */
+ { 0, }, /* 168 */
+ /* 169 */ { 0, "semsys" },
+ /* 170 */ { 0, "msgsys" },
+ /* 171 */ { 0, "shmsys" },
+ { 0, }, /* 172 */
+ { 0, }, /* 173 */
+ { 0, }, /* 174 */
+ { 0, }, /* 175 */
+ { 0, }, /* 176 */
+ { 0, }, /* 177 */
+ { 0, }, /* 178 */
+ { 0, }, /* 179 */
+ { 0, }, /* 180 */
+ /* 181 */ { 0, "setgid" },
+ /* 182 */ { 0, "setegid" },
+ /* 183 */ { 0, "seteuid" },
+ /* 184 */ { 0, "lfs_bmapv" },
+ /* 185 */ { 0, "lfs_markv" },
+ /* 186 */ { 0, "lfs_segclean" },
+ /* 187 */ { 0, "lfs_segwait" },
+ /* 188 */ { do_stat, "stat" },
+ /* 189 */ { do_fstat, "fstat" },
+ /* 190 */ { do_lstat, "lstat" },
+ /* 191 */ { 0, "pathconf" },
+ /* 192 */ { 0, "fpathconf" },
+ { 0, }, /* 193 */
+ /* 194 */ { 0, "getrlimit" },
+ /* 195 */ { 0, "setrlimit" },
+ /* 196 */ { do_getdirentries, "getdirentries" },
+ /* 197 */ { 0, "mmap" },
+ /* 198 */ { do___syscall, "__syscall" },
+ /* 199 */ { do_lseek, "lseek" },
+ /* 200 */ { 0, "truncate" },
+ /* 201 */ { 0, "ftruncate" },
+ /* 202 */ { do___sysctl, "__sysctl" },
+ /* 203 */ { 0, "mlock" },
+ /* 204 */ { 0, "munlock" },
+};
+
+static char *(netbsd_error_names[]) = {
+ /* 0 */ "ESUCCESS",
+ /* 1 */ "EPERM",
+ /* 2 */ "ENOENT",
+ /* 3 */ "ESRCH",
+ /* 4 */ "EINTR",
+ /* 5 */ "EIO",
+ /* 6 */ "ENXIO",
+ /* 7 */ "E2BIG",
+ /* 8 */ "ENOEXEC",
+ /* 9 */ "EBADF",
+ /* 10 */ "ECHILD",
+ /* 11 */ "EDEADLK",
+ /* 12 */ "ENOMEM",
+ /* 13 */ "EACCES",
+ /* 14 */ "EFAULT",
+ /* 15 */ "ENOTBLK",
+ /* 16 */ "EBUSY",
+ /* 17 */ "EEXIST",
+ /* 18 */ "EXDEV",
+ /* 19 */ "ENODEV",
+ /* 20 */ "ENOTDIR",
+ /* 21 */ "EISDIR",
+ /* 22 */ "EINVAL",
+ /* 23 */ "ENFILE",
+ /* 24 */ "EMFILE",
+ /* 25 */ "ENOTTY",
+ /* 26 */ "ETXTBSY",
+ /* 27 */ "EFBIG",
+ /* 28 */ "ENOSPC",
+ /* 29 */ "ESPIPE",
+ /* 30 */ "EROFS",
+ /* 31 */ "EMLINK",
+ /* 32 */ "EPIPE",
+ /* 33 */ "EDOM",
+ /* 34 */ "ERANGE",
+ /* 35 */ "EAGAIN",
+ /* 36 */ "EINPROGRESS",
+ /* 37 */ "EALREADY",
+ /* 38 */ "ENOTSOCK",
+ /* 39 */ "EDESTADDRREQ",
+ /* 40 */ "EMSGSIZE",
+ /* 41 */ "EPROTOTYPE",
+ /* 42 */ "ENOPROTOOPT",
+ /* 43 */ "EPROTONOSUPPORT",
+ /* 44 */ "ESOCKTNOSUPPORT",
+ /* 45 */ "EOPNOTSUPP",
+ /* 46 */ "EPFNOSUPPORT",
+ /* 47 */ "EAFNOSUPPORT",
+ /* 48 */ "EADDRINUSE",
+ /* 49 */ "EADDRNOTAVAIL",
+ /* 50 */ "ENETDOWN",
+ /* 51 */ "ENETUNREACH",
+ /* 52 */ "ENETRESET",
+ /* 53 */ "ECONNABORTED",
+ /* 54 */ "ECONNRESET",
+ /* 55 */ "ENOBUFS",
+ /* 56 */ "EISCONN",
+ /* 57 */ "ENOTCONN",
+ /* 58 */ "ESHUTDOWN",
+ /* 59 */ "ETOOMANYREFS",
+ /* 60 */ "ETIMEDOUT",
+ /* 61 */ "ECONNREFUSED",
+ /* 62 */ "ELOOP",
+ /* 63 */ "ENAMETOOLONG",
+ /* 64 */ "EHOSTDOWN",
+ /* 65 */ "EHOSTUNREACH",
+ /* 66 */ "ENOTEMPTY",
+ /* 67 */ "EPROCLIM",
+ /* 68 */ "EUSERS",
+ /* 69 */ "EDQUOT",
+ /* 70 */ "ESTALE",
+ /* 71 */ "EREMOTE",
+ /* 72 */ "EBADRPC",
+ /* 73 */ "ERPCMISMATCH",
+ /* 74 */ "EPROGUNAVAIL",
+ /* 75 */ "EPROGMISMATCH",
+ /* 76 */ "EPROCUNAVAIL",
+ /* 77 */ "ENOLCK",
+ /* 78 */ "ENOSYS",
+ /* 79 */ "EFTYPE",
+ /* 80 */ "EAUTH",
+ /* 81 */ "ENEEDAUTH",
+ /* 81 */ "ELAST",
+};
+
+static char *(netbsd_signal_names[]) = {
+ /* 0 */ 0,
+ /* 1 */ "SIGHUP",
+ /* 2 */ "SIGINT",
+ /* 3 */ "SIGQUIT",
+ /* 4 */ "SIGILL",
+ /* 5 */ "SIGTRAP",
+ /* 6 */ "SIGABRT",
+ /* 7 */ "SIGEMT",
+ /* 8 */ "SIGFPE",
+ /* 9 */ "SIGKILL",
+ /* 10 */ "SIGBUS",
+ /* 11 */ "SIGSEGV",
+ /* 12 */ "SIGSYS",
+ /* 13 */ "SIGPIPE",
+ /* 14 */ "SIGALRM",
+ /* 15 */ "SIGTERM",
+ /* 16 */ "SIGURG",
+ /* 17 */ "SIGSTOP",
+ /* 18 */ "SIGTSTP",
+ /* 19 */ "SIGCONT",
+ /* 20 */ "SIGCHLD",
+ /* 21 */ "SIGTTIN",
+ /* 22 */ "SIGTTOU",
+ /* 23 */ "SIGIO",
+ /* 24 */ "SIGXCPU",
+ /* 25 */ "SIGXFSZ",
+ /* 26 */ "SIGVTALRM",
+ /* 27 */ "SIGPROF",
+ /* 28 */ "SIGWINCH",
+ /* 29 */ "SIGINFO",
+ /* 30 */ "SIGUSR1",
+ /* 31 */ "SIGUSR2",
+};
+
+static emul_syscall emul_netbsd_syscalls = {
+ netbsd_descriptors,
+ sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
+ netbsd_error_names,
+ sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
+ netbsd_signal_names,
+ sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
+};
+
+
+/* NetBSD's os_emul interface, most are just passed on to the generic
+ syscall stuff */
+
+static os_emul_data *
+emul_netbsd_create(device *root,
+ bfd *image,
+ const char *name)
+{
+ unsigned_word top_of_stack;
+ unsigned stack_size;
+ int elf_binary;
+ os_emul_data *bsd_data;
+ device *vm;
+
+ /* check that this emulation is really for us */
+ if (name != NULL && strcmp(name, "netbsd") != 0)
+ return NULL;
+ if (image == NULL)
+ return NULL;
+
+
+ /* merge any emulation specific entries into the device tree */
+
+ /* establish a few defaults */
+ if (image->xvec->flavour == bfd_target_elf_flavour) {
+ elf_binary = 1;
+ top_of_stack = 0xe0000000;
+ stack_size = 0x00100000;
+ }
+ else {
+ elf_binary = 0;
+ top_of_stack = 0x20000000;
+ stack_size = 0x00100000;
+ }
+
+ /* options */
+ emul_add_tree_options(root, image, "netbsd",
+ (WITH_ENVIRONMENT == USER_ENVIRONMENT
+ ? "user" : "virtual"),
+ 0 /*oea-interrupt-prefix*/);
+
+ /* virtual memory - handles growth of stack/heap */
+ vm = tree_parse(root, "/openprom/vm");
+ tree_parse(vm, "./stack-base 0x%lx",
+ (unsigned long)(top_of_stack - stack_size));
+ tree_parse(vm, "./nr-bytes 0x%x", stack_size);
+
+ tree_parse(root, "/openprom/vm/map-binary/file-name %s",
+ bfd_get_filename(image));
+
+ /* finish the init */
+ tree_parse(root, "/openprom/init/register/pc 0x%lx",
+ (unsigned long)bfd_get_start_address(image));
+ tree_parse(root, "/openprom/init/register/sp 0x%lx",
+ (unsigned long)top_of_stack);
+ tree_parse(root, "/openprom/init/register/msr 0x%x",
+ ((tree_find_boolean_property(root, "/options/little-endian?")
+ ? msr_little_endian_mode
+ : 0)
+ | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
+ ? (msr_floating_point_available
+ | msr_floating_point_exception_mode_0
+ | msr_floating_point_exception_mode_1)
+ : 0)));
+ tree_parse(root, "/openprom/init/stack/stack-type %s",
+ (elf_binary ? "ppc-elf" : "ppc-xcoff"));
+
+ /* finally our emulation data */
+ bsd_data = ZALLOC(os_emul_data);
+ bsd_data->vm = vm;
+ bsd_data->syscalls = &emul_netbsd_syscalls;
+ return bsd_data;
+}
+
+static void
+emul_netbsd_init(os_emul_data *emul_data,
+ int nr_cpus)
+{
+ /* nothing yet */
+}
+
+static void
+emul_netbsd_system_call(cpu *processor,
+ unsigned_word cia,
+ os_emul_data *emul_data)
+{
+ emul_do_system_call(emul_data,
+ emul_data->syscalls,
+ cpu_registers(processor)->gpr[0],
+ 3, /*r3 contains arg0*/
+ processor,
+ cia);
+}
+
+const os_emul emul_netbsd = {
+ "netbsd",
+ emul_netbsd_create,
+ emul_netbsd_init,
+ emul_netbsd_system_call,
+ 0, /*instruction_call*/
+ 0 /*data*/
+};
+
+#endif _EMUL_NETBSD_C_