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# Copyright (c) 2005 Martin Decky
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# - The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.global __entry_driver
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## User-space task entry point
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# $a0 ($4) contains the PCB pointer
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# Mips o32 may store its arguments on stack, make space (16 bytes),
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# so that it could work with -O0
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# Make space additional 16 bytes for the stack frame
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.cprestore 16 # Allow PIC code
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# Pass pcb_ptr to __main() as the first argument. pcb_ptr is already
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# in $a0. As the first argument is passed in $a0, no operation
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# Alignment of output section data to 0x4000