mirror of
https://github.com/fail0verflow/mini.git
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2100d84d7c
New function ipc_enqueue_slow() to enqueue to the slow in_queue from within mini's irq context. The SDHC driver and the geckoloader uses this, which in return gets our irq stack size down again to a sane value.
153 lines
4.1 KiB
C
153 lines
4.1 KiB
C
/*
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mini - a Free Software replacement for the Nintendo/BroadOn IOS.
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inter-processor communications
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Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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Copyright (C) 2008, 2009 Haxx Enterprises <bushing@gmail.com>
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Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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Copyright (C) 2009 Andre Heider "dhewg" <dhewg@wiibrew.org>
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Copyright (C) 2009 John Kelley <wiidev@kelley.ca>
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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, version 2.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __IPC_H__
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#define __IPC_H__
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#include "types.h"
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/* For the sake of interface compatibility between mini and powerpc code,
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you should try to commit any enhancements you make back upstream so
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that they can be assigned a standard request number. Otherwise, if
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you are creating a new device, you MUST assign it a device ID >= 0x80.
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Likewise, if you add functionality to any of the existing drivers,
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your must assign it to a request ID >= 0x8000. This will prevent
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problems if a mismatch between ARM and PPC code occurs. Similarly,
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if you add functions, you should always add them to the end, to
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prevent someone from calling the wrong function.
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Even still, you are encouraged to add in sanity checks and version
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checking to prevent strange bugs or even data loss. --bushing */
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#define IPC_FAST 0x01
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#define IPC_SLOW 0x00
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#define IPC_DEV_SYS 0x00
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#define IPC_DEV_NAND 0x01
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#define IPC_DEV_SDHC 0x02
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#define IPC_DEV_KEYS 0x03
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#define IPC_DEV_AES 0x04
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#define IPC_DEV_BOOT2 0x05
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#define IPC_DEV_PPC 0x06
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#define IPC_DEV_SDMMC 0x07
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//#define IPC_DEV_USER0 0x80
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//#define IPC_DEV_USER1 0x81
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#define IPC_SYS_PING 0x0000
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#define IPC_SYS_JUMP 0x0001
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#define IPC_SYS_GETVERS 0x0002
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#define IPC_SYS_WRITE32 0x0100
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#define IPC_SYS_WRITE16 0x0101
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#define IPC_SYS_WRITE8 0x0102
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#define IPC_SYS_READ32 0x0103
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#define IPC_SYS_READ16 0x0104
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#define IPC_SYS_READ8 0x0105
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#define IPC_SYS_SET32 0x0106
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#define IPC_SYS_SET16 0x0107
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#define IPC_SYS_SET8 0x0108
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#define IPC_SYS_CLEAR32 0x0109
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#define IPC_SYS_CLEAR16 0x010a
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#define IPC_SYS_CLEAR8 0x010b
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#define IPC_SYS_MASK32 0x010c
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#define IPC_SYS_MASK16 0x010d
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#define IPC_SYS_MASK8 0x010e
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#define IPC_NAND_RESET 0x0000
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#define IPC_NAND_GETID 0x0001
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#define IPC_NAND_READ 0x0002
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#define IPC_NAND_WRITE 0x0003
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#define IPC_NAND_ERASE 0x0004
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#define IPC_NAND_STATUS 0x0005
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//#define IPC_NAND_USER0 0x8000
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//#define IPC_NAND_USER1 0x8001
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// etc.
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#define IPC_SDHC_DISCOVER 0x0000
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#define IPC_SDMMC_ACK 0x0000
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#define IPC_SDMMC_READ 0x0001
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#define IPC_SDMMC_WRITE 0x0002
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#define IPC_SDMMC_STATE 0x0003
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#define IPC_SDMMC_SIZE 0x0004
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#define IPC_KEYS_GETOTP 0x0000
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#define IPC_KEYS_GETEEP 0x0001
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#define IPC_AES_RESET 0x0000
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#define IPC_AES_SETIV 0x0001
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#define IPC_AES_SETKEY 0x0002
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#define IPC_AES_DECRYPT 0x0003
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#define IPC_BOOT2_RUN 0x0000
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#define IPC_BOOT2_TMD 0x0001
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#define IPC_PPC_BOOT 0x0000
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#define IPC_CODE (f,d,r) (((f)<<24)|((d)<<16)|(r))
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#define IPC_IN_SIZE 32
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#define IPC_OUT_SIZE 32
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#define IPC_SLOW_SIZE 128
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typedef struct {
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union {
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struct {
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u8 flags;
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u8 device;
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u16 req;
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};
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u32 code;
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};
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u32 tag;
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u32 args[6];
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} ipc_request;
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typedef const struct {
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char magic[3];
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char version;
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void *mem2_boundary;
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volatile ipc_request *ipc_in;
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u32 ipc_in_size;
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volatile ipc_request *ipc_out;
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u32 ipc_out_size;
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} ipc_infohdr;
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void ipc_irq(void);
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void ipc_initialize(void);
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void ipc_shutdown(void);
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void ipc_post(u32 code, u32 tag, u32 num_args, ...);
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void ipc_flush(void);
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u32 ipc_process_slow(void);
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// Enqueues a request in the slow in_queue, use this in IRQ context only.
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void ipc_enqueue_slow(u8 device, u16 req, u32 num_args, ...);
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#endif
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