Initial revision

[karo-tx-redboot.git] / tools / src / infra / infra.h

diff --git a/tools/src/infra/infra.h b/tools/src/infra/infra.h
new file mode 100644 (file)
index 0000000..9ebe2b8
--- /dev/null
+++ b/tools/src/infra/infra.h
@@ -0,0 +1,116 @@
+#ifndef CYGONCE_PKGCONF_INFRA_H
+# define CYGONCE_PKGCONF_INFRA_H
+
+//======================================================================
+//
+//      infra.h
+//
+//      Host side implementation of the infrastructure configuration
+//      header.
+//
+//======================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// ----------------------------------------------------------------------------
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
+//
+// This file is part of the eCos host tools.
+//
+// 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.
+//
+// ----------------------------------------------------------------------------
+//                                                                          
+//####COPYRIGHTEND####
+//======================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   bartv
+// Contact(s):  bartv   
+// Date:        1998/07/13
+// Version:     0.01
+//
+//####DESCRIPTIONEND####
+//======================================================================
+
+// The purpose of this header file is to replicate appropriate
+// functionality from the target-side header file <pkgconf/infra.h>.
+// This header file is intended to contain configuration options
+// related to the implementation of the infrastructure, as opposed
+// to how that infrastructure gets used by other packages. A good
+// example would be a configuration option to control the size
+// of the circular trace buffer.
+//
+// On the host side these things are handled by autoconf, and in
+// particular the configure.in script will offer command-line
+// arguments allowing the relevant options to be controlled.
+// The relevant information will end up in <cyg/pkgconf/hostinfra.h>
+# include <pkgconf/hostinfra.h>
+
+// Some options should always be enabled in this header file.
+#define CYGDBG_INFRA_DIAG_PRINTF_USE_VARARG
+#define CYGDBG_INFRA_DEBUG_ASSERT_MESSAGE
+#define CYGDBG_INFRA_DEBUG_TRACE_MESSAGE
+
+// Other options should be decided on a package by package basis,
+// e.g. whether or not assertions are used. On the host side it is
+// not appropriate to control these globally, instead the infrastructure
+// always provides the necessary functionality and it is up to the
+// other parts of the system to decide whether or not the facilities
+// get used.
+
+// A third set of options deal with the environment, e.g. the sizes
+// of various data types. autoconf macros take care of most of the
+// work, but some translation is needed into eCos-style names to
+// avoid namespace pollution.
+
+// Process the definitions of SIZEOF_INT_P and SIZEOF_LONG to work
+// out a sensible data type for CYG_ADDRESS and CYG_ADDRWORD.
+
+#if (!defined(SIZEOF_INT_P) || !defined(SIZEOF_LONG))
+# error "Configure problem: data type sizes not set"
+#endif
+
+#if (SIZEOF_INT_P == 4)
+    // The default, nothing needs to be done
+#elif (SIZEOF_INT_P == 8)
+# define cyg_haladdress cyg_halint64
+#else
+# error "Only 32 and 64 bit pointers are supported"
+#endif
+
+#if ((SIZEOF_INT_P == 4) && (SIZEOF_LONG == 4))
+    // The default, nothing needs to be done
+#elif ((SIZEOF_INT_P <= 8) && (SIZEOF_LONG <= 8))
+    // cyg_halint64 will have been defined appropriately.
+# define cyg_haladdrword cyg_halint64
+#else
+# error "Only 32 and 64 bit machine word sizes are supported"
+#endif
+
+// Any symbols defined in <pkgconf/hostconf.h> which have been processed
+// here should no longer be of any interest, and in the interests of
+// reducing name space pollution they get undef'ed here.
+
+// In addition there are two #define's in the config.h header file
+// which are always present and which have names that are rather too
+// generic. These get removed here as well. The version is worth
+// preserving under a different name.
+#undef SIZEOF_INT_P
+#undef SIZEOF_LONG
+#undef PACKAGE
+#undef VERSION
+
+#endif  // CYGONCE_PKGCONF_INFRA_H
+// End of infra.h