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Annotation of sys/arch/m68k/060sp/ReadMe.NetBSD, Revision 1.1

1.1     ! nbrk        1: $OpenBSD: ReadMe.NetBSD,v 1.2 1996/05/30 22:13:57 niklas Exp $
        !             2: $NetBSD: ReadMe.NetBSD,v 1.1 1996/05/15 21:06:20 is Exp $
        !             3:
        !             4: Copyright (c) 1996 Ignatios Souvatzis.  All rights reserved.
        !             5:
        !             6: Redistribution and use in source and binary forms, with or without
        !             7: modification, are permitted provided that the following conditions
        !             8: are met:
        !             9: 1. Redistributions of source code must retain the above copyright
        !            10:    notice, this list of conditions and the following disclaimer.
        !            11: 2. Redistributions in binary form must reproduce the above copyright
        !            12:    notice, this list of conditions and the following disclaimer in the
        !            13:    documentation and/or other materials provided with the distribution.
        !            14: 3. All advertising materials mentioning features or use of this software
        !            15:    must display the following acknowledgement:
        !            16:        This product includes software developed by Ignatios Souvatzis.
        !            17: 4. The name of the author may not be used to endorse or promote products
        !            18:    derived from this software without specific prior written permission.
        !            19:
        !            20: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            21: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            22: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            23: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            24: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            25: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            26: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            27: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            28: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            29: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            30:
        !            31:
        !            32: Notes about the NetBSD integration
        !            33: ----------------------------------
        !            34:
        !            35: Preface and Acknowledgements:
        !            36:
        !            37: A first try at integrating the M68060 Software Package was done by
        !            38: Yasushi Yamasaki of the NetBSD/x68k group, but only available as a
        !            39: patch file to their source tree (which wasn't integrated into the
        !            40: NetBSD master tree at that time).
        !            41:
        !            42: I started with their glue code version from the patch file, and
        !            43: changed the following things up to now:
        !            44:
        !            45: - collapse a few identical glue routines (fetch code/data words/longs
        !            46: from user space) into a multi-labeled one
        !            47:
        !            48: - make the gas syntax files of the glue code the Master files
        !            49:
        !            50: - I call the access error handler (label _buserr) directly, instead of
        !            51: through an RTE as in the example file
        !            52:
        !            53: Other changes are only in the method this was integrated into the
        !            54: Amiga vs. X68k port, which is machine dependend anyway.
        !            55:
        !            56: Thanks for the initial effort!
        !            57:
        !            58:
        !            59:
        !            60: I. File suffix convention
        !            61:
        !            62: I cvs imported all of the Motorola files (with lowercase names).
        !            63:
        !            64: These are:
        !            65:
        !            66: *.s:   Assembler files "unsupported by Motorola, provided as a reference only"
        !            67: *.sa:  Pseudo assembler hex dump files, which is Motorolas supported version.
        !            68: *.doc: docs by Motorola
        !            69:
        !            70: errata, changes, files, readme: by Motorola.
        !            71:
        !            72:
        !            73: I choose .S as the file suffix which is feeded to our assembler
        !            74: directly or indirectly.
        !            75:
        !            76: We use:                To create:
        !            77:
        !            78: isp.sa         isp.S
        !            79: fpsp.sa                fpsp.S
        !            80:
        !            81: In addition, inetbsd.S and fnetbsd.S are our part specific glue files,
        !            82: netbsd.S is our general glue file, and copyright.S ensures we have a
        !            83: copy of the copyright notice in the kernel if using the 060SP.
        !            84:
        !            85: To enforce the right relative positions of isp/its glue code inetbsd.S
        !            86: includes isp.S at the end, and fnetbsd.S includes fpsp.S.
        !            87:
        !            88: Ia: Don't Change Files
        !            89:
        !            90: - all Motorola doc files, all .sa (hex) files.
        !            91:
        !            92: Ib: Nearly Don't Change Files
        !            93:
        !            94: - for now, the .s files by Motorola. We might use the fpsp.s file
        !            95: later to create an optimized version, once we a) verified its
        !            96: identical to the supported .s and b) write a conversion (to .S format)
        !            97: script.
        !            98:
        !            99: II. Interface to the arch/$machine/$machine files:
        !           100:
        !           101: [to be continued]
        !           102: