* *
* 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 *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
#ifndef MIPS32_PRACC_H
#define MIPS32_PRACC_H
-#include "mips_ejtag.h"
+#include <target/mips32.h>
+#include <target/mips_ejtag.h>
+
+#define MIPS32_PRACC_FASTDATA_AREA 0xFF200000
+#define MIPS32_PRACC_BASE_ADDR 0xFF200000
+#define MIPS32_PRACC_FASTDATA_SIZE 16
+#define MIPS32_PRACC_TEXT 0xFF200200
+#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
-#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
+#define PRACC_UPPER_BASE_ADDR (MIPS32_PRACC_BASE_ADDR >> 16)
+#define PRACC_TEXT_OFFSET (MIPS32_PRACC_TEXT - MIPS32_PRACC_BASE_ADDR)
+#define PRACC_IN_OFFSET (MIPS32_PRACC_PARAM_IN - MIPS32_PRACC_BASE_ADDR)
+#define PRACC_OUT_OFFSET (MIPS32_PRACC_PARAM_OUT - MIPS32_PRACC_BASE_ADDR)
+#define PRACC_STACK_OFFSET (MIPS32_PRACC_STACK - MIPS32_PRACC_BASE_ADDR)
-#define UPPER16(uint32_t) (uint32_t >> 16)
-#define LOWER16(uint32_t) (uint32_t & 0xFFFF)
-#define NEG16(v) (((~(v)) + 1) & 0xFFFF)
-/*#define NEG18(v) (((~(v)) + 1) & 0x3FFFF )*/
+#define MIPS32_FASTDATA_HANDLER_SIZE 0x80
+#define UPPER16(uint32_t) (uint32_t >> 16)
+#define LOWER16(uint32_t) (uint32_t & 0xFFFF)
+#define NEG16(v) (((~(v)) + 1) & 0xFFFF)
+/*#define NEG18(v) (((~(v)) + 1) & 0x3FFFF)*/
-extern int mips32_pracc_read_mem(mips_ejtag_t *ejtag_info, uint32_t addr, int size, int count, void *buf);
-extern int mips32_pracc_write_mem(mips_ejtag_t *ejtag_info, uint32_t addr, int size, int count, void *buf);
+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, 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_mem8(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint8_t *buf);
-extern int mips32_pracc_read_mem16(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint16_t *buf);
-extern int mips32_pracc_read_mem32(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint32_t *buf);
-extern int mips32_pracc_read_u32(mips_ejtag_t *ejtag_info, uint32_t addr, uint32_t *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_write_mem8(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint8_t *buf);
-extern int mips32_pracc_write_mem16(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint16_t *buf);
-extern int mips32_pracc_write_mem32(mips_ejtag_t *ejtag_info, uint32_t addr, int count, uint32_t *buf);
-extern int mips32_pracc_write_u32(mips_ejtag_t *ejtag_info, uint32_t addr, uint32_t *buf);
+int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_t *code,
+ int num_param_in, uint32_t *param_in,
+ int num_param_out, uint32_t *param_out, int cycle);
-extern int mips32_pracc_read_regs(mips_ejtag_t *ejtag_info, uint32_t *regs);
-extern int mips32_pracc_write_regs(mips_ejtag_t *ejtag_info, uint32_t *regs);
+/**
+ * \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_exec(mips_ejtag_t *ejtag_info, int code_len, uint32_t *code, int num_param_in, uint32_t *param_in, int num_param_out, uint32_t *param_out, int cycle);
+/**
+ * \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);
#endif
projects / fw / openocd / blobdiff