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authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /sim/ucsim/stm8.src/flashcl.h
downloadsdcc-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')
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diff --git a/sim/ucsim/stm8.src/flashcl.h b/sim/ucsim/stm8.src/flashcl.h
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+/*
+ * 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 */