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The method call format as interpreted last time had some limitations. First, input words could not appear after the input buffers, making it impossible to represent the apps_std_mkdir method accurately. Second, it was assumed that the lengths in the primary input buffer represent the number of bytes. In reality, the lengths represent the number of elements, which just happened to be octets in the majority of remote methods found, and the adsp_perf_get_usecs remote method could not be represented. Update the format for the third time to remove these limitations. This format allows the mixing of words and lengths of other buffers in the primary buffer by using 0 to denote words in an array of arguments. It also allows a greater size of elements, denoted by any non-zero value.
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
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* FastRPC interface method definition macros
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*
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* Copyright (C) 2023 The Sensor Shell Contributors
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*
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* This file is part of sensh.
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*
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* Sensh is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef LIBHEXAGONRPC_INTERFACE_H
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#define LIBHEXAGONRPC_INTERFACE_H
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#include <libhexagonrpc/fastrpc.h>
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/*
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* We want to declare method definitions as external by default so we only need
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* special flags when compiling the interfaces. Otherwise, everything that uses
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* the interfaces would need to define a macro.
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*/
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#if !HEXAGONRPC_BUILD_METHOD_DEFINITIONS
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD(mid, name, \
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innums, inbufs, \
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outnums, outbufs) \
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extern const struct fastrpc_function_def_interp2 name##_def;
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD3_EMPTY(mid, name) \
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extern const struct hrpc_method_def_interp3 name##_def;
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD3(mid, name, has_oprim, ...) \
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HEXAGONRPC_DEFINE_REMOTE_METHOD3_EMPTY(mid, name)
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#else /* HEXAGONRPC_BUILD_METHOD_DEFINITIONS */
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD(mid, name, \
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innums, inbufs, \
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outnums, outbufs) \
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const struct fastrpc_function_def_interp2 name##_def = { \
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.msg_id = mid, \
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.in_nums = innums, \
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.in_bufs = inbufs, \
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.out_nums = outnums, \
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.out_bufs = outbufs, \
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};
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD3_EMPTY(mid, name) \
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const struct hrpc_method_def_interp3 name##_def = { \
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.msg_id = mid, \
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.has_prim_out = false, \
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.n_args = 0, \
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.args = NULL, \
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};
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#define HEXAGONRPC_DEFINE_REMOTE_METHOD3(mid, name, has_oprim, ...) \
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static const uint32_t name##_args[] = { __VA_ARGS__ }; \
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const struct hrpc_method_def_interp3 name##_def = { \
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.msg_id = mid, \
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.has_prim_out = has_oprim, \
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.n_args = sizeof(name##_args) / sizeof(*name##_args), \
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.args = name##_args, \
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};
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#endif /* HEXAGONRPC_BUILD_METHOD_DEFINITIONS */
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#endif /* LIBHEXAGONRPC_INTERFACE_H */
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