diff options
| -rw-r--r-- | ChangeLog | 24 | ||||
| -rw-r--r-- | config.h.in | 3 | ||||
| -rw-r--r-- | hurd/hurdselect.c | 31 | ||||
| -rw-r--r-- | sysdeps/mach/configure | 53 | ||||
| -rw-r--r-- | sysdeps/mach/configure.in | 10 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/Dist | 2 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/Versions | 3 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/ioperm.c | 51 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/i386/sys/io.h | 178 |
9 files changed, 333 insertions, 22 deletions
@@ -1,3 +1,27 @@ +2002-03-31 Roland McGrath <roland@frob.com> + + * hurd/hurdselect.c (_hurd_select): Fix + MACH_MSG_TYPE_INTEGER_T -> integer_t in sizeof. + Use a union rather than casts to compare mach_msg_type_t as int. + +2002-03-25 Roland McGrath <roland@frob.com> + + * hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't + check off the end of NAME when it's shorter than 2 chars. + Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>. + +2002-03-17 Roland McGrath <roland@frob.com> + + * sysdeps/mach/hurd/i386/sys/io.h: New file. + * sysdeps/mach/hurd/i386/ioperm.c: New file. + * sysdeps/mach/hurd/i386/Dist: Add them. + * sysdeps/mach/hurd/i386/Versions + (libc: GLIBC_2.2.6): New set, add ioperm. + * sysdeps/mach/configure.in: New check to set HAVE_I386_IO_PERM_MODIFY. + (mach_interface_list): Check for mach_i386.defs. + * config.h.in (HAVE_I386_IO_PERM_MODIFY): #undef it. + * sysdeps/mach/configure: Regenerated. + 2002-03-22 Ulrich Drepper <drepper@redhat.com> * po/fr.po: Update from translation team. diff --git a/config.h.in b/config.h.in index 30e63d5..ddb7357 100644 --- a/config.h.in +++ b/config.h.in @@ -144,6 +144,9 @@ /* Mach specific: define if the `host_page_size' RPC is available. */ #undef HAVE_HOST_PAGE_SIZE +/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */ +#undef HAVE_I386_IO_PERM_MODIFY + /* Sparc64 specific: define if .dynamic section comes before .got for shared libs. */ #undef SPARC64_DYNAMIC_BEFORE_GOT diff --git a/hurd/hurdselect.c b/hurd/hurdselect.c index 68dc746..544eee9 100644 --- a/hurd/hurdselect.c +++ b/hurd/hurdselect.c @@ -64,6 +64,14 @@ _hurd_select (int nfds, } d[nfds]; sigset_t oset; + union typeword /* Use this to avoid unkosher casts. */ + { + mach_msg_type_t type; + uint32_t word; + }; + assert (sizeof (union typeword) == sizeof (mach_msg_type_t)); + assert (sizeof (uint32_t) == sizeof (mach_msg_type_t)); + if (sigmask && __sigprocmask (SIG_SETMASK, sigmask, &oset)) return -1; @@ -298,15 +306,15 @@ _hurd_select (int nfds, struct { mach_msg_header_t head; - mach_msg_type_t err_type; + union typeword err_type; error_t err; } error; struct { mach_msg_header_t head; - mach_msg_type_t err_type; + union typeword err_type; error_t err; - mach_msg_type_t result_type; + union typeword result_type; int result; } success; #endif @@ -321,15 +329,16 @@ _hurd_select (int nfds, /* We got a message. Decode it. */ #define IO_SELECT_REPLY_MSGID (21012 + 100) /* XXX */ #ifdef MACH_MSG_TYPE_BIT - const mach_msg_type_t inttype = - { MACH_MSG_TYPE_INTEGER_T, sizeof (MACH_MSG_TYPE_INTEGER_T) * 8, - 1, 1, 0, 0 }; + const union typeword inttype = + { type: + { MACH_MSG_TYPE_INTEGER_T, sizeof (integer_t) * 8, 1, 1, 0, 0 } + }; #endif - if (msg.head.msgh_id == IO_SELECT_REPLY_MSGID - && msg.head.msgh_size >= sizeof msg.error - && !(msg.head.msgh_bits & MACH_MSGH_BITS_COMPLEX) + if (msg.head.msgh_id == IO_SELECT_REPLY_MSGID && + msg.head.msgh_size >= sizeof msg.error && + !(msg.head.msgh_bits & MACH_MSGH_BITS_COMPLEX) && #ifdef MACH_MSG_TYPE_BIT - && *(int *) &msg.error.err_type == *(int *) &inttype + msg.error.err_type.word == inttype.word #endif ) { @@ -346,7 +355,7 @@ _hurd_select (int nfds, if (msg.error.err || msg.head.msgh_size != sizeof msg.success || #ifdef MACH_MSG_TYPE_BIT - *(int *) &msg.success.result_type != *(int *) &inttype || + msg.success.result_type.word != inttype.word || #endif (msg.success.result & SELECT_ALL) == 0) { diff --git a/sysdeps/mach/configure b/sysdeps/mach/configure index 72d5bf7..7238378 100644 --- a/sysdeps/mach/configure +++ b/sysdeps/mach/configure @@ -168,20 +168,21 @@ for ifc in mach mach4 \ clock clock_priv host_priv host_security ledger lock_set \ processor processor_set task thread_act vm_map \ memory_object memory_object_default default_pager \ + i386/mach_i386 \ ; do ac_safe=`echo "mach/${ifc}.defs" | sed 'y%./+-%__p_%'` echo $ac_n "checking for mach/${ifc}.defs""... $ac_c" 1>&6 -echo "configure:175: checking for mach/${ifc}.defs" >&5 +echo "configure:176: checking for mach/${ifc}.defs" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 180 "configure" +#line 181 "configure" #include "confdefs.h" #include <mach/${ifc}.defs> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:185: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:186: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -208,12 +209,12 @@ if test "x$mach_interface_list" = x; then fi echo $ac_n "checking for host_page_size in mach_host.defs""... $ac_c" 1>&6 -echo "configure:212: checking for host_page_size in mach_host.defs" >&5 +echo "configure:213: checking for host_page_size in mach_host.defs" >&5 if eval "test \"`echo '$''{'libc_cv_mach_host_page_size'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 217 "configure" +#line 218 "configure" #include "confdefs.h" #include <mach/mach_host.defs> EOF @@ -239,17 +240,17 @@ fi ac_safe=`echo "mach/machine/ndr_def.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for mach/machine/ndr_def.h""... $ac_c" 1>&6 -echo "configure:243: checking for mach/machine/ndr_def.h" >&5 +echo "configure:244: checking for mach/machine/ndr_def.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 248 "configure" +#line 249 "configure" #include "confdefs.h" #include <mach/machine/ndr_def.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:253: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -270,17 +271,17 @@ else echo "$ac_t""no" 1>&6 ac_safe=`echo "machine/ndr_def.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for machine/ndr_def.h""... $ac_c" 1>&6 -echo "configure:274: checking for machine/ndr_def.h" >&5 +echo "configure:275: checking for machine/ndr_def.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 279 "configure" +#line 280 "configure" #include "confdefs.h" #include <machine/ndr_def.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:284: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:285: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then rm -rf conftest* @@ -303,3 +304,33 @@ fi fi + +echo $ac_n "checking for i386_io_perm_modify in mach_i386.defs""... $ac_c" 1>&6 +echo "configure:310: checking for i386_io_perm_modify in mach_i386.defs" >&5 +if eval "test \"`echo '$''{'libc_cv_mach_i386_ioports'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 315 "configure" +#include "confdefs.h" +#include <mach/i386/mach_i386.defs> +EOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + egrep "i386_io_perm_modify" >/dev/null 2>&1; then + rm -rf conftest* + libc_cv_mach_i386_ioports=yes +else + rm -rf conftest* + libc_cv_mach_i386_ioports=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$libc_cv_mach_i386_ioports" 1>&6 +if test $libc_cv_mach_i386_ioports = yes; then + cat >> confdefs.h <<\EOF +#define HAVE_I386_IO_PERM_MODIFY 1 +EOF + +fi diff --git a/sysdeps/mach/configure.in b/sysdeps/mach/configure.in index 541fd77..fca2063 100644 --- a/sysdeps/mach/configure.in +++ b/sysdeps/mach/configure.in @@ -52,6 +52,7 @@ for ifc in mach mach4 \ clock clock_priv host_priv host_security ledger lock_set \ processor processor_set task thread_act vm_map \ memory_object memory_object_default default_pager \ + i386/mach_i386 \ ; do AC_CHECK_HEADER(mach/${ifc}.defs, [dnl mach_interface_list="$mach_interface_list $ifc"]) @@ -73,3 +74,12 @@ AC_CHECK_HEADER(mach/machine/ndr_def.h, [dnl DEFINES="$DEFINES -DNDR_DEF_HEADER='<mach/machine/ndr_def.h>'"], [dnl AC_CHECK_HEADER(machine/ndr_def.h, [dnl DEFINES="$DEFINES -DNDR_DEF_HEADER='<machine/ndr_def.h>'"])]) + +AC_CACHE_CHECK(for i386_io_perm_modify in mach_i386.defs, + libc_cv_mach_i386_ioports, [dnl +AC_EGREP_HEADER(i386_io_perm_modify, mach/i386/mach_i386.defs, + libc_cv_mach_i386_ioports=yes, + libc_cv_mach_i386_ioports=no)]) +if test $libc_cv_mach_i386_ioports = yes; then + AC_DEFINE([HAVE_I386_IO_PERM_MODIFY]) +fi diff --git a/sysdeps/mach/hurd/i386/Dist b/sysdeps/mach/hurd/i386/Dist index c581802..82c44df 100644 --- a/sysdeps/mach/hurd/i386/Dist +++ b/sysdeps/mach/hurd/i386/Dist @@ -1 +1,3 @@ static-start.S +sys/io.h +ioperm.c diff --git a/sysdeps/mach/hurd/i386/Versions b/sysdeps/mach/hurd/i386/Versions index 5731d9e..67e6d94 100644 --- a/sysdeps/mach/hurd/i386/Versions +++ b/sysdeps/mach/hurd/i386/Versions @@ -4,4 +4,7 @@ libc { __register_frame; __register_frame_table; __deregister_frame; __frame_state_for; __register_frame_info_table; } + GLIBC_2.2.6 { + ioperm; + } } diff --git a/sysdeps/mach/hurd/i386/ioperm.c b/sysdeps/mach/hurd/i386/ioperm.c new file mode 100644 index 0000000..4a3cd77 --- /dev/null +++ b/sysdeps/mach/hurd/i386/ioperm.c @@ -0,0 +1,51 @@ +/* Access to hardware i/o ports. Hurd/x86 version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/io.h> +#include <hurd.h> +#include <mach/i386/mach_i386.h> + +int +ioperm (unsigned long int from, unsigned long int num, int turn_on) +{ +#if ! HAVE_I386_IO_PERM_MODIFY + return __hurd_fail (ENOSYS); +#else + error_t err; + device_t devmaster; + + /* With the device master port we get a capability that represents + this range of io ports. */ + err = __get_privileged_ports (NULL, &devmaster); + if (! err) + { + io_perm_t perm; + err = __i386_io_perm_create (devmaster, from, from + num, &perm); + __mach_port_deallocate (__mach_task_self (), devmaster); + if (! err) + { + /* Now we add or remove that set from our task's bitmap. */ + err = __i386_io_perm_modify (__mach_task_self (), perm, turn_on); + __mach_port_deallocate (__mach_task_self (), perm); + } + } + + return err ? __hurd_fail (err) : 0; +#endif +} diff --git a/sysdeps/mach/hurd/i386/sys/io.h b/sysdeps/mach/hurd/i386/sys/io.h new file mode 100644 index 0000000..49ac998 --- /dev/null +++ b/sysdeps/mach/hurd/i386/sys/io.h @@ -0,0 +1,178 @@ +/* Access to hardware i/o ports. GNU/x86 version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_IO_H +#define _SYS_IO_H 1 + +#include <features.h> + +__BEGIN_DECLS + +/* If TURN_ON is TRUE, request for permission to do direct i/o on the + port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O + permission off for that range. This call requires root privileges. */ +extern int ioperm (unsigned long int __from, unsigned long int __num, + int __turn_on) __THROW; + +/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to + access any I/O port is granted. This call requires root + privileges. */ +extern int iopl (int __level) __THROW; + +#if defined __GNUC__ && __GNUC__ >= 2 + +static __inline unsigned char +inb (unsigned short int port) +{ + unsigned char _v; + + __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline unsigned char +inb_p (unsigned short int port) +{ + unsigned char _v; + + __asm__ __volatile__ ("inb %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline unsigned short int +inw (unsigned short int port) +{ + unsigned short _v; + + __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline unsigned short int +inw_p (unsigned short int port) +{ + unsigned short int _v; + + __asm__ __volatile__ ("inw %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline unsigned int +inl (unsigned short int port) +{ + unsigned int _v; + + __asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline unsigned int +inl_p (unsigned short int port) +{ + unsigned int _v; + __asm__ __volatile__ ("inl %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); + return _v; +} + +static __inline void +outb (unsigned char value, unsigned short int port) +{ + __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port)); +} + +static __inline void +outb_p (unsigned char value, unsigned short int port) +{ + __asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80": :"a" (value), + "Nd" (port)); +} + +static __inline void +outw (unsigned short int value, unsigned short int port) +{ + __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port)); + +} + +static __inline void +outw_p (unsigned short int value, unsigned short int port) +{ + __asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80": :"a" (value), + "Nd" (port)); +} + +static __inline void +outl (unsigned int value, unsigned short int port) +{ + __asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port)); +} + +static __inline void +outl_p (unsigned int value, unsigned short int port) +{ + __asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80": :"a" (value), + "Nd" (port)); +} + +static __inline void +insb (unsigned short int port, void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; insb":"=D" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +static __inline void +insw (unsigned short int port, void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; insw":"=D" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +static __inline void +insl (unsigned short int port, void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; insl":"=D" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +static __inline void +outsb (unsigned short int port, const void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; outsb":"=S" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +static __inline void +outsw (unsigned short int port, const void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; outsw":"=S" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +static __inline void +outsl (unsigned short int port, const void *addr, unsigned long int count) +{ + __asm__ __volatile__ ("cld ; rep ; outsl":"=S" (addr), + "=c" (count):"d" (port), "0" (addr), "1" (count)); +} + +#endif /* GNU C */ + +__END_DECLS +#endif /* _SYS_IO_H */ |