54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
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/*
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* EmbedVM - Embedded Virtual Machine for uC Applications
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*
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* Copyright (C) 2011 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef EMBEDVM_H
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#define EMBEDVM_H
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct embedvm_s
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{
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uint16_t ip, sp, sfp;
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void *user_ctx;
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int16_t (*mem_read)(uint16_t addr, bool is16bit, void *ctx);
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void (*mem_write)(uint16_t addr, int16_t value, bool is16bit, void *ctx);
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int16_t (*call_user)(uint8_t funcid, uint8_t argc, int16_t *argv, void *ctx);
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};
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extern void embedvm_exec(struct embedvm_s *vm);
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extern void embedvm_interrupt(struct embedvm_s *vm, uint16_t addr);
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int16_t embedvm_pop(struct embedvm_s *vm);
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void embedvm_push(struct embedvm_s *vm, int16_t value);
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int16_t embedvm_local_read(struct embedvm_s *vm, int8_t sfa);
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void embedvm_local_write(struct embedvm_s *vm, int8_t sfa, int16_t value);
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#ifdef __cplusplus
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}
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#endif
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#endif
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