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);
}
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);
free(scratch_buffer);
flush_stdoutput();
}
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);
}
}
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;
#ifdef SYS_getdirentries
SYS(getdirentries);
#endif
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)
free(buf);
}
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);
}
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);
}
}
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);
}
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);
}
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);
}
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;
}
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);
}
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);
}
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);
}
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_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 hostflags;
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);
/* Do some translation on 'flags' to match it to the host's version. */
/* These flag values were taken from the NetBSD 1.4 header files. */
if ((flags & 3) == 0)
hostflags = O_RDONLY;
else if ((flags & 3) == 1)
hostflags = O_WRONLY;
else
hostflags = O_RDWR;
if (flags & 0x00000008)
hostflags |= O_APPEND;
if (flags & 0x00000200)
hostflags |= O_CREAT;
if (flags & 0x00000400)
hostflags |= O_TRUNC;
if (flags & 0x00000800)
hostflags |= O_EXCL;
/* Can't combine these statements, cuz open sets errno. */
status = open(path, hostflags, mode);
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);
}
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);
free(scratch_buffer);
}
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);
}
}
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);
}
}
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___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 */
}