138 lines
3.4 KiB
C++
138 lines
3.4 KiB
C++
/*
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* Simulator of microcontrollers (stm8.src/flashcl.h)
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*
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* Copyright (C) 2017,17 Drotos Daniel, Talker Bt.
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*
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* To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
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*
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*/
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/* This file is part of microcontroller simulator: ucsim.
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UCSIM 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; either version 2 of the License, or
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(at your option) any later version.
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UCSIM 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 UCSIM; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/*@1@*/
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#ifndef FLASHCL_HEADER
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#define FLASHCL_HEADER
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#include "hwcl.h"
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#include "memcl.h"
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/* Special memory/address space to handle flash ops */
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class cl_flash_cell: public cl_cell8
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{
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public:
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cl_flash_cell(uchar awidth): cl_cell8(awidth) {}
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virtual t_mem write(t_mem val);
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};
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class cl_flash_as: public cl_address_space
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{
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public:
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cl_flash_as(const char *id, t_addr astart, t_addr asize);
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virtual int init(void);
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};
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enum stm8_flash_cfg {
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stm8_flash_on= 0,
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stm8_flash_nuof_cfg= 1
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};
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enum stm8_mass {
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PMASS1= 0x56,
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PMASS2= 0xae,
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DMASS1= 0xae,
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DMASS2= 0x56
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};
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enum stm8_flash_state {
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fs_wait_mode= 0x00,
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fs_wait_data= 0x01,
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fs_pre_erase= 0x02,
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fs_program= 0x04,
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fs_busy= fs_pre_erase|fs_program
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};
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enum stm8_flash_mode {
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fm_unknown= 0,
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fm_byte= 1,
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fm_word= 2,
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fm_fast_word= 3,
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fm_block= 4,
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fm_fast_block= 5,
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fm_erase= 6
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};
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class cl_flash: public cl_hw
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{
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protected:
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t_addr base;
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cl_memory_cell *cr1r, *cr2r, *ncr2r, *pukr, *dukr, *iapsr;
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bool puk1st, duk1st;
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bool p_unlocked, d_unlocked;
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bool p_failed, d_failed;
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u8_t wbuf[256]; /* buffer of block */
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bool wbuf_started; /* any writes happened to block */
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int wbuf_size; /* block size */
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int wbuf_writes; /* nr of writes to block */
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t_addr wbuf_start; /* start address of block */
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bool rww;
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enum stm8_flash_state state;
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enum stm8_flash_mode mode;
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double tprog; /* programing time in usec */
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double start_time;
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public:
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cl_flash(class cl_uc *auc, t_addr abase, const char *aname);
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virtual int init(void);
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virtual void registration(void) {}
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virtual int tick(int cycles);
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virtual void reset(void);
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virtual t_mem read(class cl_memory_cell *cell);
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virtual void write(class cl_memory_cell *cell, t_mem *val);
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virtual t_mem conf_op(cl_memory_cell *cell, t_addr addr, t_mem *val);
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virtual char *cfg_help(t_addr addr);
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virtual void flash_write(t_addr a, t_mem val);
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virtual void set_flash_mode(t_mem cr2val);
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virtual void start_wbuf(t_addr addr);
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virtual void start_program(enum stm8_flash_state start_state);
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virtual void finish_program(bool ok);
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virtual const char *state_name(enum stm8_flash_state s);
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virtual void print_info(class cl_console_base *con);
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};
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class cl_saf_flash: public cl_flash
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{
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public:
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cl_saf_flash(class cl_uc *auc, t_addr abase);
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virtual void registration(void);
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};
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class cl_l_flash: public cl_flash
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{
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public:
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cl_l_flash(class cl_uc *auc, t_addr abase);
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virtual void registration(void);
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};
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#endif
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/* End of stm8.src/flashcl.h */
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