src/target/mips64_pracc.h

   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              0xffffffffFF200000ull
  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 */