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-rw-r--r--boot/ux.c243
-rw-r--r--boot/ux.h108
2 files changed, 351 insertions, 0 deletions
diff --git a/boot/ux.c b/boot/ux.c
new file mode 100644
index 00000000..46e2f130
--- /dev/null
+++ b/boot/ux.c
@@ -0,0 +1,243 @@
+/* Hacks to make boot work under UX
+
+ Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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, or (at your option)
+ any later version.
+
+ The GNU Hurd 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 the GNU Hurd; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <mach.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <cthreads.h>
+
+#include "ux.h"
+
+extern void __mach_init ();
+void (*mach_init_routine)() = __mach_init;
+
+/* These will prevent the Hurd-ish versions from being used */
+
+struct free_reply_port
+{
+ mach_port_t port;
+ struct free_reply_port *next;
+};
+static struct free_reply_port *free_reply_ports = NULL;
+static spin_lock_t free_reply_ports_lock = SPIN_LOCK_INITIALIZER;
+
+mach_port_t __mig_get_reply_port ()
+{
+ spin_lock (&free_reply_ports_lock);
+ if (free_reply_ports == NULL)
+ {
+ spin_unlock (&free_reply_ports_lock);
+ return __mach_reply_port ();
+ }
+ else
+ {
+ struct free_reply_port *frp = free_reply_ports;
+ mach_port_t reply_port = frp->port;
+ free_reply_ports = free_reply_ports->next;
+ spin_unlock (&free_reply_ports_lock);
+ free (frp);
+ return reply_port;
+ }
+}
+mach_port_t mig_get_reply_port ()
+{
+ return __mig_get_reply_port ();
+}
+void __mig_put_reply_port (mach_port_t port)
+{
+ struct free_reply_port *frp = malloc (sizeof (struct free_reply_port));
+ frp->port = port;
+ spin_lock (&free_reply_ports_lock);
+ frp->next = free_reply_ports;
+ free_reply_ports = frp;
+ spin_unlock (&free_reply_ports_lock);
+}
+void mig_put_reply_port (mach_port_t port)
+{
+ __mig_put_reply_port (port);
+}
+void __mig_dealloc_reply_port (mach_port_t port)
+{
+ mach_port_mod_refs (__mach_task_self (), port,
+ MACH_PORT_RIGHT_RECEIVE, -1);
+}
+void mig_dealloc_reply_port (mach_port_t port)
+{
+ __mig_dealloc_reply_port (port);
+}
+void __mig_init (void *stack) {}
+void mig_init (void *stack) {}
+
+int
+task_by_pid (int pid)
+{
+ return syscall (-33, pid);
+}
+
+int
+write (int fd,
+ const void *buf,
+ int buflen)
+{
+ return syscall (4, fd, buf, buflen);
+}
+
+int
+read (int fd,
+ void *buf,
+ int buflen)
+{
+ return syscall (3, fd, buf, buflen);
+}
+
+int
+open (const char *name,
+ int flags,
+ int mode)
+{
+ return syscall (5, name, flags, mode);
+}
+
+int
+uxfstat (int fd, struct uxstat *buf)
+{
+ return syscall (62, fd, buf);
+}
+
+int
+close (int fd)
+{
+ return syscall (6, fd);
+}
+
+int
+lseek (int fd,
+ int off,
+ int whence)
+{
+ return syscall (19, fd, off, whence);
+}
+
+int
+uxexit (int code)
+{
+ return syscall (1, code);
+}
+
+int
+getpid ()
+{
+ return syscall (20);
+}
+
+int
+ioctl (int fd, int code, void *buf)
+{
+ return syscall (54, fd, code, buf);
+}
+
+int
+sigblock (int mask)
+{
+ return syscall (109, mask);
+}
+
+int
+sigsetmask (int mask)
+{
+ return syscall (110, mask);
+}
+
+int
+sigpause (int mask)
+{
+ return syscall (111, mask);
+}
+
+
+#if 0
+void
+sigreturn ()
+{
+ asm volatile ("movl $0x67,%eax\n"
+ "lcall $0x7, $0x0\n"
+ "ret");
+}
+
+void
+_sigreturn ()
+{
+ asm volatile ("addl $0xc, %%esp\n"
+ "call %0\n"
+ "ret"::"m" (sigreturn));
+}
+
+int
+sigvec (int sig, struct sigvec *vec, struct sigvec *ovec)
+{
+ asm volatile ("movl $0x6c,%%eax\n"
+ "movl %0, %%edx\n"
+ "orl $0x80000000, %%edx\n"
+ "lcall $0x7,$0x0\n"
+ "ret"::"g" (_sigreturn));
+}
+#else
+int sigvec ();
+#endif
+
+void get_privileged_ports (mach_port_t *host_port, mach_port_t *device_port)
+{
+ *host_port = task_by_pid (-1);
+ *device_port = task_by_pid (-2);
+}
+
+/* A *really* stupid printf that only understands %s. */
+int
+printf (const char *fmt, ...)
+{
+ va_list ap;
+ const char *p = fmt, *q = p;
+
+ void flush (const char *new)
+ {
+ if (p > q)
+ write (1, q, p - q);
+ q = p = new;
+ }
+
+ va_start (ap, fmt);
+ while (*p)
+ if (*p == '%' && p[1] == 's')
+ {
+ char *str = va_arg (ap, char *);
+ flush (p + 2);
+ write (1, str, strlen (str));
+ }
+ else
+ p++;
+ va_end (ap);
+
+ flush (0);
+
+ return 0;
+}
diff --git a/boot/ux.h b/boot/ux.h
new file mode 100644
index 00000000..e9c87ed0
--- /dev/null
+++ b/boot/ux.h
@@ -0,0 +1,108 @@
+/* Hacks to make boot work under UX
+
+ Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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, or (at your option)
+ any later version.
+
+ The GNU Hurd 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 the GNU Hurd; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define sigmask(m) (1 << ((m)-1))
+
+#define IOCPARM_MASK 0x7f
+#define IOC_OUT 0x40000000
+#define IOC_IN 0x80000000
+#define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
+#define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
+#define FIONREAD _IOR('f', 127, int)
+#define FIOASYNC _IOW('f', 125, int)
+#define TIOCGETP _IOR('t', 8, struct sgttyb)
+#define TIOCLGET _IOR('t', 124, int)
+#define TIOCLSET _IOW('t', 125, int)
+#define TIOCSETN _IOW('t', 10, struct sgttyb)
+#define LDECCTQ 0x4000
+#define LLITOUT 0x0020
+#define LPASS8 0x0800
+#define LNOFLSH 0x8000
+#define RAW 0x0020
+#define ANYP 0x00c0
+#define ECHO 8
+
+
+struct sgttyb
+{
+ char unused[4];
+ short sg_flags;
+};
+
+#define SIGIO 23
+
+struct sigvec
+{
+ void (*sv_handler)();
+ int sv_mask;
+ int sv_flags;
+};
+
+struct uxstat
+ {
+ short int st_dev; /* Device containing the file. */
+ __ino_t st_ino; /* File serial number. */
+ unsigned short int st_mode; /* File mode. */
+ __nlink_t st_nlink; /* Link count. */
+ unsigned short int st_uid; /* User ID of the file's owner. */
+ unsigned short int st_gid; /* Group ID of the file's group.*/
+ short int st_rdev; /* Device number, if device. */
+ __off_t st_size; /* Size of file, in bytes. */
+ __time_t st_atime; /* Time of last access. */
+ unsigned long int st_atime_usec;
+ __time_t st_mtime; /* Time of last modification. */
+ unsigned long int st_mtime_usec;
+ __time_t st_ctime; /* Time of last status change. */
+ unsigned long int st_ctime_usec;
+ unsigned long int st_blksize; /* Optimal block size for I/O. */
+ unsigned long int st_blocks; /* Number of 512-byte blocks allocated. */
+ long int st_spare[2];
+ };
+
+void get_privileged_ports (mach_port_t *host_port, mach_port_t *device_port);
+
+/* We can't include <unistd.h> for this, because that will fight witho
+ our definitions of syscalls below. */
+int syscall (int, ...);
+
+int open (const char *name, int flags, int mode);
+int write (int fd, const void *buf, int len);
+int read (int fd, void *buf, int len);
+int uxfstat (int fd, struct uxstat *buf);
+int close (int fd);
+int lseek (int fd, int off, int whence);
+int uxexit (int code);
+int getpid ();
+int ioctl (int fd, int code, void *buf);
+int sigblock (int mask);
+int sigsetmask (int mask);
+int sigpause (int mask);
+int sigvec (int sig, struct sigvec *vec, struct sigvec *ovec);
+
+
+#define host_exit(c) uxexit(c)
+
+typedef struct uxstat host_stat_t;
+#define host_fstat(fd, st) uxfstat (fd, st)
+
+void init_stdio ();
+
+#undef errno
+int errno;
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