X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fmips32_pracc.h;h=cc11540b8dc930e4365564440c0a4a277c7c9ff6;hp=da0274b8fa8b97199a314f2140cff91ce325d2c4;hb=2b66816a4d88f1c15468b3d307b59f1242a6a4be;hpb=86173cdbddde781b19ac630602f2d450a59b32b5 diff --git a/src/target/mips32_pracc.h b/src/target/mips32_pracc.h index da0274b8fa..cc11540b8d 100644 --- a/src/target/mips32_pracc.h +++ b/src/target/mips32_pracc.h @@ -4,6 +4,9 @@ * * * Copyright (C) 2008 by David T.L. Wong * * * + * Copyright (C) 2011 by Drasko DRASKOVIC * + * drasko.draskovic@gmail.com * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -15,44 +18,107 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * along with this program. If not, see . * ***************************************************************************/ -#ifndef MIPS32_PRACC_H -#define MIPS32_PRACC_H -#include "mips_ejtag.h" +#ifndef OPENOCD_TARGET_MIPS32_PRACC_H +#define OPENOCD_TARGET_MIPS32_PRACC_H + +#include +#include + +#define MIPS32_PRACC_FASTDATA_AREA 0xFF200000 +#define MIPS32_PRACC_FASTDATA_SIZE 16 +#define MIPS32_PRACC_BASE_ADDR 0xFF200000 +#define MIPS32_PRACC_TEXT 0xFF200200 +#define MIPS32_PRACC_PARAM_OUT 0xFF202000 + +#define PRACC_UPPER_BASE_ADDR (MIPS32_PRACC_BASE_ADDR >> 16) +#define PRACC_MAX_CODE (MIPS32_PRACC_PARAM_OUT - MIPS32_PRACC_TEXT) +#define PRACC_MAX_INSTRUCTIONS (PRACC_MAX_CODE / 4) +#define PRACC_OUT_OFFSET (MIPS32_PRACC_PARAM_OUT - MIPS32_PRACC_BASE_ADDR) + +#define MIPS32_FASTDATA_HANDLER_SIZE 0x80 +#define UPPER16(addr) ((addr) >> 16) +#define LOWER16(addr) ((addr) & 0xFFFF) +#define NEG16(v) (((~(v)) + 1) & 0xFFFF) +#define SWAP16(v) ((LOWER16(v) << 16) | (UPPER16(v))) +/*#define NEG18(v) (((~(v)) + 1) & 0x3FFFF)*/ + +#define PRACC_BLOCK 128 /* 1 Kbyte */ + +typedef struct { + uint32_t instr; + uint32_t addr; +} pa_list; + +struct pracc_queue_info { + struct mips_ejtag *ejtag_info; + unsigned isa; + int retval; + int code_count; + int store_count; + int max_code; /* max intstructions with currently allocated memory */ + pa_list *pracc_list; /* Code and store addresses at dmseg */ +}; -#define MIPS32_PRACC_TEXT 0xFF200200 -//#define MIPS32_PRACC_STACK 0xFF2FFFFC -#define MIPS32_PRACC_STACK 0xFF204000 -#define MIPS32_PRACC_PARAM_IN 0xFF201000 -#define MIPS32_PRACC_PARAM_IN_SIZE 0x1000 -#define MIPS32_PRACC_PARAM_OUT (MIPS32_PRACC_PARAM_IN + MIPS32_PRACC_PARAM_IN_SIZE) -#define MIPS32_PRACC_PARAM_OUT_SIZE 0x1000 +void pracc_queue_init(struct pracc_queue_info *ctx); +void pracc_add(struct pracc_queue_info *ctx, uint32_t addr, uint32_t instr); +void pracc_add_li32(struct pracc_queue_info *ctx, uint32_t reg_num, uint32_t data, bool optimize); +void pracc_queue_free(struct pracc_queue_info *ctx); +int mips32_pracc_queue_exec(struct mips_ejtag *ejtag_info, + struct pracc_queue_info *ctx, uint32_t *buf, bool check_last); -#define UPPER16(u32) (u32 >> 16) -#define LOWER16(u32) (u32 & 0xFFFF) -#define NEG16(v) (((~(v)) + 1) & 0xFFFF) -/*#define NEG18(v) ( ((~(v)) + 1) & 0x3FFFF )*/ +int mips32_pracc_read_mem(struct mips_ejtag *ejtag_info, + uint32_t addr, int size, int count, void *buf); +int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, + uint32_t addr, int size, int count, const void *buf); +int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_area *source, + int write_t, uint32_t addr, int count, uint32_t *buf); -extern int mips32_pracc_read_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf); -extern int mips32_pracc_write_mem(mips_ejtag_t *ejtag_info, u32 addr, int size, int count, void *buf); +int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs); +int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs); -extern int mips32_pracc_read_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, uint8_t *buf); -extern int mips32_pracc_read_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf); -extern int mips32_pracc_read_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf); -extern int mips32_pracc_read_u32(mips_ejtag_t *ejtag_info, u32 addr, u32 *buf); +int mips32_pracc_exec(struct mips_ejtag *ejtag_info, struct pracc_queue_info *ctx, + uint32_t *param_out, bool check_last); -extern int mips32_pracc_write_mem8(mips_ejtag_t *ejtag_info, u32 addr, int count, uint8_t *buf); -extern int mips32_pracc_write_mem16(mips_ejtag_t *ejtag_info, u32 addr, int count, u16 *buf); -extern int mips32_pracc_write_mem32(mips_ejtag_t *ejtag_info, u32 addr, int count, u32 *buf); -extern int mips32_pracc_write_u32(mips_ejtag_t *ejtag_info, u32 addr, u32 *buf); +/** + * \b mips32_cp0_read + * + * Simulates mfc0 ASM instruction (Move From C0), + * i.e. implements copro C0 Register read. + * + * @param[in] ejtag_info + * @param[in] val Storage to hold read value + * @param[in] cp0_reg Number of copro C0 register we want to read + * @param[in] cp0_sel Select for the given C0 register + * + * @return ERROR_OK on Sucess, ERROR_FAIL otherwise + */ +int mips32_cp0_read(struct mips_ejtag *ejtag_info, + uint32_t *val, uint32_t cp0_reg, uint32_t cp0_sel); -extern int mips32_pracc_read_regs(mips_ejtag_t *ejtag_info, u32 *regs); -extern int mips32_pracc_write_regs(mips_ejtag_t *ejtag_info, u32 *regs); +/** + * \b mips32_cp0_write + * + * Simulates mtc0 ASM instruction (Move To C0), + * i.e. implements copro C0 Register read. + * + * @param[in] ejtag_info + * @param[in] val Value to be written + * @param[in] cp0_reg Number of copro C0 register we want to write to + * @param[in] cp0_sel Select for the given C0 register + * + * @return ERROR_OK on Sucess, ERROR_FAIL otherwise + */ +int mips32_cp0_write(struct mips_ejtag *ejtag_info, + uint32_t val, uint32_t cp0_reg, uint32_t cp0_sel); -extern int mips32_pracc_exec( mips_ejtag_t *ejtag_info, int code_len, u32 *code, int num_param_in, u32 *param_in, int num_param_out, u32 *param_out, int cycle); +static inline void pracc_swap16_array(struct mips_ejtag *ejtag_info, uint32_t *buf, int count) +{ + if (ejtag_info->isa && ejtag_info->endianness) + for (int i = 0; i != count; i++) + buf[i] = SWAP16(buf[i]); +} -#endif +#endif /* OPENOCD_TARGET_MIPS32_PRACC_H */