1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Support for processors implementing MIPS64 instruction set
4  *
5  * Copyright (C) 2014 by Andrey Sidorov <anysidorov@gmail.com>
6  * Copyright (C) 2014 by Aleksey Kuleshov <rndfax@yandex.ru>
7  * Copyright (C) 2014-2019 by Peter Mamonov <pmamonov@gmail.com>
8  *
9  * Based on the work of:
10  *     Copyright (C) 2008 by Spencer Oliver
11  *     Copyright (C) 2008 by David T.L. Wong
12  *     Copyright (C) 2010 by Konstantin Kostyukhin, Nikolay Shmyrev
13  */
14 
15 #ifndef OPENOCD_TARGET_MIPS64_PRACC_H
16 #define OPENOCD_TARGET_MIPS64_PRACC_H
17 
18 #include "mips_ejtag.h"
19 
20 #define MIPS64_PRACC_TEXT		0xffffffffFF200200ull
21 
22 #define MIPS64_PRACC_STACK		0xffffffffFF204000ull
23 #define MIPS64_PRACC_PARAM_IN		0xffffffffFF201000ull
24 #define MIPS64_PRACC_PARAM_IN_SIZE	0x1000
25 #define MIPS64_PRACC_PARAM_OUT		(MIPS64_PRACC_PARAM_IN + MIPS64_PRACC_PARAM_IN_SIZE)
26 #define MIPS64_PRACC_PARAM_OUT_SIZE	0x1000
27 
28 #undef UPPER16
29 #undef LOWER16
30 #define UPPER16(v) ((uint32_t)((v >> 16) & 0xFFFF))
31 #define LOWER16(v) ((uint32_t)(v & 0xFFFF))
32 #define MIPS64_PRACC_FASTDATA_AREA		0xffffffffFF200000
33 #define MIPS64_PRACC_FASTDATA_SIZE		16
34 #define MIPS64_FASTDATA_HANDLER_SIZE	0x80
35 
36 /* FIXME: 16-bit NEG */
37 #undef NEG16
38 #define NEG16(v) ((uint32_t)(((~(v)) + 1) & 0xFFFF))
39 
40 #define MIPS64_PRACC_ADDR_STEP 4
41 #define MIPS64_PRACC_DATA_STEP 8
42 
43 int mips64_pracc_read_mem(struct mips_ejtag *ejtag_info, uint64_t addr, unsigned size, unsigned count, void *buf);
44 int mips64_pracc_write_mem(struct mips_ejtag *ejtag_info, uint64_t addr, unsigned size, unsigned count, void *buf);
45 
46 int mips64_pracc_read_regs(struct mips_ejtag *ejtag_info, uint64_t *regs);
47 int mips64_pracc_write_regs(struct mips_ejtag *ejtag_info, uint64_t *regs);
48 
49 int mips64_pracc_exec(struct mips_ejtag *ejtag_info,
50 		      unsigned code_len, const uint32_t *code,
51 		      unsigned num_param_in, uint64_t *param_in,
52 		      unsigned num_param_out, uint64_t *param_out);
53 
54 int mips64_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info,
55 			       struct working_area *source,
56 			       bool write_t, uint64_t addr,
57 			       unsigned count, uint64_t *buf);
58 
59 #endif /* OPENOCD_TARGET_MIPS64_PRACC_H */
60