mirror of
https://github.com/t-crest/rtems.git
synced 2025-11-16 12:34:47 +00:00
Added new autoconf test for i386 code16/code32 support. The guts of the
test were suggested by Ian Taylor <ian@airs.com> and Joel did the hard part of putting it in aclocal and editting all the offending Makefiles and source code which could use this feature.
This commit is contained in:
Joel Sherrill
47
aclocal.m4
vendored
47
aclocal.m4
vendored
@@ -1,6 +1,8 @@
|
||||
dnl aclocal.m4 generated automatically by aclocal 1.2
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl macro to detect mkdir
|
||||
AC_DEFUN(RTEMS_PATH_MKDIR,
|
||||
@@ -40,7 +42,9 @@ AC_MSG_RESULT($rtems_cv_prog_MKDIR_M)
|
||||
])
|
||||
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl canonicalize target name
|
||||
dnl NOTE: Most rtems targets do not fullfil autoconf's
|
||||
@@ -56,6 +60,9 @@ changequote([, ])dnl
|
||||
AC_MSG_RESULT($target_cpu)
|
||||
])
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
dnl Set program_prefix
|
||||
dnl
|
||||
dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
|
||||
@@ -259,6 +266,7 @@ unset ac_cv_prog_cxx_works
|
||||
unset ac_cv_prog_cxx_cross
|
||||
])
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
dnl Set target tools
|
||||
@@ -355,6 +363,10 @@ dnl NOTE: These may not be available if not using gnutools
|
||||
RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no)
|
||||
])
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
AC_DEFUN(RTEMS_AR_FOR_TARGET_S,
|
||||
[
|
||||
AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works,
|
||||
@@ -377,6 +389,33 @@ fi
|
||||
])
|
||||
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl check for i386 gas supporting 16 bit mode
|
||||
|
||||
AC_DEFUN(RTEMS_I386_GAS_CODE16,
|
||||
if test "${target_cpu}" = "i386"; then
|
||||
AC_CACHE_CHECK([for 16 bit mode assembler support],
|
||||
rtems_cv_prog_gas_code16,
|
||||
[cat > conftest.s << EOF
|
||||
.code16
|
||||
data32 addr32 lgdt 0
|
||||
EOF
|
||||
if AC_TRY_COMMAND($AS_FOR_TARGET -o conftest.o conftest.s); then
|
||||
rtems_cv_prog_gas_code16=yes
|
||||
else
|
||||
rtems_cv_prog_gas_code16=no
|
||||
fi])
|
||||
RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
|
||||
fi
|
||||
)
|
||||
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
dnl Detect the Cygwin32 environment (unix under Win32)
|
||||
dnl
|
||||
dnl 98/06/16 David Fiddes (D.J.Fiddes@hw.ac.uk)
|
||||
@@ -396,6 +435,9 @@ CYGWIN32=
|
||||
test "$rtems_cv_cygwin32" = yes && CYGWIN32=yes])
|
||||
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
dnl Set the EXE extension
|
||||
dnl
|
||||
dnl 98/06/16 David Fiddes (D.J.Fiddes@hw.ac.uk)
|
||||
@@ -529,7 +571,9 @@ rtems_cv_sysv_msg="yes", rtems_cv_sysv_msg="no", :)
|
||||
])
|
||||
])
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl RTEMS_CHECK_MAKEFILE(path)
|
||||
dnl Search for Makefile.in's within the directory starting
|
||||
@@ -540,12 +584,15 @@ AC_DEFUN(RTEMS_CHECK_MAKEFILE,
|
||||
[RTEMS_CHECK_FILES_IN($1,Makefile,makefiles)
|
||||
])
|
||||
|
||||
dnl
|
||||
dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl RTEMS_CHECK_FILES_IN(path,file,var)
|
||||
dnl path .. path relative to srcdir, where to start searching for files
|
||||
dnl file .. name of the files to search for
|
||||
dnl var .. shell variable to append files found
|
||||
|
||||
AC_DEFUN(RTEMS_CHECK_FILES_IN,
|
||||
[
|
||||
AC_MSG_CHECKING(for $2.in in $1)
|
||||
|
||||
@@ -3,6 +3,7 @@ dnl $Id$
|
||||
dnl
|
||||
|
||||
dnl check for i386 gas supporting 16 bit mode
|
||||
dnl - binutils 2.9.1.0.7 and higher
|
||||
|
||||
AC_DEFUN(RTEMS_I386_GAS_CODE16,
|
||||
if test "${target_cpu}" = "i386"; then
|
||||
@@ -17,9 +18,7 @@ EOF
|
||||
else
|
||||
rtems_cv_prog_gas_code16=no
|
||||
fi])
|
||||
if test "$rtems_cv_prog_gas_code16" = "yes"; then
|
||||
AC_DEFINE(RTEMS_PROG_GAS_CODE16)
|
||||
fi
|
||||
RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
|
||||
fi
|
||||
)
|
||||
|
||||
|
||||
@@ -7,6 +7,7 @@ srcdir = @srcdir@
|
||||
VPATH = @srcdir@
|
||||
RTEMS_ROOT = @top_srcdir@
|
||||
PROJECT_ROOT = @PROJECT_ROOT@
|
||||
RTEMS_GAS_CODE16 = @RTEMS_GAS_CODE16@
|
||||
|
||||
PGMS=${ARCH}/start.o
|
||||
|
||||
@@ -32,7 +33,9 @@ include $(RTEMS_ROOT)/make/leaf.cfg
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
DEFINES +=
|
||||
ifeq ($(RTEMS_GAS_CODE16),yes)
|
||||
DEFINES += -DNEXT_GAS
|
||||
endif
|
||||
CPPFLAGS +=
|
||||
CFLAGS +=
|
||||
|
||||
|
||||
@@ -40,12 +40,9 @@ changes:
|
||||
#include "80386ex.inc"
|
||||
|
||||
/*
|
||||
* Needed for binutils 2.9.1.0.7 and higher
|
||||
* #define NEXT_GAS
|
||||
* NEXT_GAS Needed for binutils 2.9.1.0.7 and higher
|
||||
*/
|
||||
|
||||
#define NEXT_GAS
|
||||
|
||||
EXTERN (boot_card) /* exits to bspstart */
|
||||
EXTERN (stack_start) /* defined in startup/linkcmds */
|
||||
EXTERN (Clock_exit)
|
||||
|
||||
@@ -7,6 +7,7 @@ srcdir = @srcdir@
|
||||
VPATH = @srcdir@
|
||||
RTEMS_ROOT = @top_srcdir@
|
||||
PROJECT_ROOT = @PROJECT_ROOT@
|
||||
RTEMS_GAS_CODE16 = @RTEMS_GAS_CODE16@
|
||||
|
||||
PGMS=${ARCH}/start.o ${ARCH}/start16.bin
|
||||
|
||||
@@ -32,7 +33,9 @@ include $(RTEMS_ROOT)/make/leaf.cfg
|
||||
# (OPTIONAL) Add local stuff here using +=
|
||||
#
|
||||
|
||||
DEFINES +=
|
||||
ifeq ($(RTEMS_GAS_CODE16),yes)
|
||||
DEFINES += -DNEXT_GAS
|
||||
endif
|
||||
CPPFLAGS +=
|
||||
CFLAGS +=
|
||||
|
||||
|
||||
@@ -227,6 +227,9 @@ fi
|
||||
|
||||
RTEMS_CANONICALIZE_TOOLS
|
||||
|
||||
dnl if this is an i386, does gas have good code16 support?
|
||||
RTEMS_I386_GAS_CODE16
|
||||
|
||||
dnl check host cc
|
||||
AC_PROG_CC
|
||||
|
||||
@@ -439,6 +442,7 @@ AC_ARG_ENABLE(hwapi, \
|
||||
AC_MSG_RESULT(no)
|
||||
)
|
||||
|
||||
AC_SUBST(RTEMS_GAS_CODE16)
|
||||
AC_SUBST(rtems_cv_prog_cc_cross)
|
||||
AC_SUBST(RTEMS_BSP_LIST)
|
||||
AC_SUBST(RTEMS_HOST)
|
||||
|
||||
Reference in New Issue
Block a user