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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /sim/ucsim/stm8.src/flashcl.h | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'sim/ucsim/stm8.src/flashcl.h')
| -rw-r--r-- | sim/ucsim/stm8.src/flashcl.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/sim/ucsim/stm8.src/flashcl.h b/sim/ucsim/stm8.src/flashcl.h new file mode 100644 index 0000000..3d341ef --- /dev/null +++ b/sim/ucsim/stm8.src/flashcl.h @@ -0,0 +1,137 @@ +/* + * Simulator of microcontrollers (stm8.src/flashcl.h) + * + * Copyright (C) 2017,17 Drotos Daniel, Talker Bt. + * + * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu + * + */ + +/* This file is part of microcontroller simulator: ucsim. + +UCSIM 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 +(at your option) any later version. + +UCSIM is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with UCSIM; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ +/*@1@*/ + +#ifndef FLASHCL_HEADER +#define FLASHCL_HEADER + +#include "hwcl.h" +#include "memcl.h" + + +/* Special memory/address space to handle flash ops */ + +class cl_flash_cell: public cl_cell8 +{ + public: + cl_flash_cell(uchar awidth): cl_cell8(awidth) {} + virtual t_mem write(t_mem val); +}; + +class cl_flash_as: public cl_address_space +{ + public: + cl_flash_as(const char *id, t_addr astart, t_addr asize); + virtual int init(void); +}; + +enum stm8_flash_cfg { + stm8_flash_on= 0, + stm8_flash_nuof_cfg= 1 +}; + +enum stm8_mass { + PMASS1= 0x56, + PMASS2= 0xae, + DMASS1= 0xae, + DMASS2= 0x56 +}; + +enum stm8_flash_state { + fs_wait_mode= 0x00, + fs_wait_data= 0x01, + fs_pre_erase= 0x02, + fs_program= 0x04, + fs_busy= fs_pre_erase|fs_program +}; + +enum stm8_flash_mode { + fm_unknown= 0, + fm_byte= 1, + fm_word= 2, + fm_fast_word= 3, + fm_block= 4, + fm_fast_block= 5, + fm_erase= 6 +}; + +class cl_flash: public cl_hw +{ + protected: + t_addr base; + cl_memory_cell *cr1r, *cr2r, *ncr2r, *pukr, *dukr, *iapsr; + bool puk1st, duk1st; + bool p_unlocked, d_unlocked; + bool p_failed, d_failed; + u8_t wbuf[256]; /* buffer of block */ + bool wbuf_started; /* any writes happened to block */ + int wbuf_size; /* block size */ + int wbuf_writes; /* nr of writes to block */ + t_addr wbuf_start; /* start address of block */ + bool rww; + enum stm8_flash_state state; + enum stm8_flash_mode mode; + double tprog; /* programing time in usec */ + double start_time; + public: + cl_flash(class cl_uc *auc, t_addr abase, const char *aname); + virtual int init(void); + virtual void registration(void) {} + virtual int tick(int cycles); + virtual void reset(void); + + virtual t_mem read(class cl_memory_cell *cell); + virtual void write(class cl_memory_cell *cell, t_mem *val); + virtual t_mem conf_op(cl_memory_cell *cell, t_addr addr, t_mem *val); + virtual char *cfg_help(t_addr addr); + + virtual void flash_write(t_addr a, t_mem val); + virtual void set_flash_mode(t_mem cr2val); + virtual void start_wbuf(t_addr addr); + virtual void start_program(enum stm8_flash_state start_state); + virtual void finish_program(bool ok); + + virtual const char *state_name(enum stm8_flash_state s); + virtual void print_info(class cl_console_base *con); +}; + +class cl_saf_flash: public cl_flash +{ + public: + cl_saf_flash(class cl_uc *auc, t_addr abase); + virtual void registration(void); +}; + +class cl_l_flash: public cl_flash +{ + public: + cl_l_flash(class cl_uc *auc, t_addr abase); + virtual void registration(void); +}; + +#endif + +/* End of stm8.src/flashcl.h */ |
