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93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
#pragma once
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/*
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* This file is part of open_agb_firm
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* Copyright (C) 2021 derrek, profi200
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*
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* This program 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 <http://www.gnu.org/licenses/>.
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*/
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#include "types.h"
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#define IPC_MAX_PARAMS (15)
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#define IPC_CMD_RESP_FLAG (1u<<15)
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#define IPC_CMD_ID_MASK(cmd) ((cmd)>>8) // Max 127
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#define IPC_CMD_SEND_BUFS_MASK(cmd) ((cmd)>>6 & 3u) // Max 3
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#define IPC_CMD_RECV_BUFS_MASK(cmd) ((cmd)>>4 & 3u) // Max 3
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#define IPC_CMD_PARAMS_MASK(cmd) ((cmd) & 15u) // Max 15
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// https://stackoverflow.com/a/52770279
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// Note: __COUNTER__ is non standard.
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#define MAKE_CMD9(sendBufs, recvBufs, params) ((__COUNTER__ - _CMD9_C_BASE)<<8 | (sendBufs)<<6 | (recvBufs)<<4 | params)
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#define MAKE_CMD11(sendBufs, recvBufs, params) ((__COUNTER__ - _CMD11_C_BASE)<<8 | (sendBufs)<<6 | (recvBufs)<<4 | params)
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enum {_CMD9_C_BASE = __COUNTER__ + 1}; // Start at 0.
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typedef enum
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{
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// Filesystem API.
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IPC_CMD9_FMOUNT = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FUNMOUNT = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FGETFREE = MAKE_CMD9(0, 1, 1),
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IPC_CMD9_FOPEN = MAKE_CMD9(1, 1, 1),
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IPC_CMD9_FREAD = MAKE_CMD9(0, 2, 1),
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IPC_CMD9_FWRITE = MAKE_CMD9(1, 1, 1),
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IPC_CMD9_FSYNC = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FLSEEK = MAKE_CMD9(0, 0, 2),
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IPC_CMD9_FTELL = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FSIZE = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FCLOSE = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FSTAT = MAKE_CMD9(1, 1, 0),
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IPC_CMD9_FCHDIR = MAKE_CMD9(1, 0, 0),
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IPC_CMD9_FOPEN_DIR = MAKE_CMD9(1, 1, 0),
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IPC_CMD9_FREAD_DIR = MAKE_CMD9(0, 2, 2),
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IPC_CMD9_FCLOSE_DIR = MAKE_CMD9(0, 0, 1),
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IPC_CMD9_FMKDIR = MAKE_CMD9(1, 0, 0),
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IPC_CMD9_FRENAME = MAKE_CMD9(2, 0, 0),
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IPC_CMD9_FUNLINK = MAKE_CMD9(1, 0, 0),
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// open_agb_firm specific API.
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IPC_CMD9_PREPARE_GBA = MAKE_CMD9(1, 0, 2),
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IPC_CMD9_SET_GBA_RTC = MAKE_CMD9(0, 0, 2),
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IPC_CMD9_GET_GBA_RTC = MAKE_CMD9(0, 1, 0),
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IPC_CMD9_BACKUP_GBA_SAVE = MAKE_CMD9(0, 0, 0),
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// Miscellaneous API.
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IPC_CMD9_PREPARE_POWER = MAKE_CMD9(0, 0, 0) // Also used for panic() and guruMeditation().
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} IpcCmd9;
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enum {_CMD11_C_BASE = __COUNTER__ + 1}; // Start at 0.
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typedef enum
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{
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// Miscellaneous API.
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IPC_CMD11_PRINT_MSG = MAKE_CMD11(0, 0, 0), // Invalid on purpose. Will be decided later.
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IPC_CMD11_PANIC = MAKE_CMD11(0, 0, 0),
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IPC_CMD11_EXCEPTION = MAKE_CMD11(0, 0, 0)
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} IpcCmd11;
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#undef MAKE_CMD9
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#undef MAKE_CMD11
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typedef struct
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{
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void *ptr;
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u32 size;
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} IpcBuffer;
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u32 IPC_handleCmd(u8 cmdId, u32 sendBufs, u32 recvBufs, const u32 *const buf);
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