source: mainline/uspace/lib/c/arch/riscv64/include/libarch/fibril_context.ag@ cf13b17

#
# Copyright (c) 2016 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

{
        name : context,

        includes : [
                {
                        include : <stddef.h>
                },
                {
                        include : <stdint.h>
                }
        ],

        members : [
                #
                # There is a room for optimization (we can store just those
                # registers that must be preserved during ABI function call).
                #

                {
                        name : sp,
                        type : uint64_t
                },
                {
                        name : pc,
                        type : uint64_t
                },

                {
                        name : zero,
                        type : uint64_t
                },
                {
                        name : ra,
                        type : uint64_t
                },

                {
                        name : x3,
                        type : uint64_t
                },
                {
                        name : x4,
                        type : uint64_t
                },
                {
                        name : x5,
                        type : uint64_t
                },
                {
                        name : x6,
                        type : uint64_t
                },
                {
                        name : x7,
                        type : uint64_t
                },
                {
                        name : x8,
                        type : uint64_t
                },
                {
                        name : x9,
                        type : uint64_t
                },
                {
                        name : x10,
                        type : uint64_t
                },
                {
                        name : x11,
                        type : uint64_t
                },
                {
                        name : x12,
                        type : uint64_t
                },
                {
                        name : x13,
                        type : uint64_t
                },
                {
                        name : x14,
                        type : uint64_t
                },
                {
                        name : x15,
                        type : uint64_t
                },
                {
                        name : x16,
                        type : uint64_t
                },
                {
                        name : x17,
                        type : uint64_t
                },
                {
                        name : x18,
                        type : uint64_t
                },
                {
                        name : x19,
                        type : uint64_t
                },
                {
                        name : x20,
                        type : uint64_t
                },
                {
                        name : x21,
                        type : uint64_t
                },
                {
                        name : x22,
                        type : uint64_t
                },
                {
                        name : x23,
                        type : uint64_t
                },
                {
                        name : x24,
                        type : uint64_t
                },
                {
                        name : x25,
                        type : uint64_t
                },
                {
                        name : x26,
                        type : uint64_t
                },
                {
                        name : x27,
                        type : uint64_t
                },
                {
                        name : x28,
                        type : uint64_t
                },
                {
                        name : x29,
                        type : uint64_t
                },
                {
                        name : x30,
                        type : uint64_t
                },
                {
                        name : x31,
                        type : uint64_t
                }
        ]
}