97 lines
4.1 KiB
C
97 lines
4.1 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the ROM image handler.
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*
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*
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*
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* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2018-2019 Fred N. van Kempen.
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*/
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#ifndef EMU_ROM_H
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#define EMU_ROM_H
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#define FLAG_INT 1
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#define FLAG_INV 2
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#define FLAG_AUX 4
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#define FLAG_REP 8
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#define bios_load_linear(a, b, c, d) bios_load(a, NULL, b, c, d, 0)
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#define bios_load_linearr(a, b, c, d) bios_load(a, NULL, b, c, d, FLAG_REP)
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#define bios_load_aux_linear(a, b, c, d) bios_load(a, NULL, b, c, d, FLAG_AUX)
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#define bios_load_linear_inverted(a, b, c, d) bios_load(a, NULL, b, c, d, FLAG_INV)
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#define bios_load_aux_linear_inverted(a, b, c, d) bios_load(a, NULL, b, c, d, FLAG_INV | FLAG_AUX)
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#define bios_load_interleaved(a, b, c, d, e) bios_load(a, b, c, d, e, FLAG_INT)
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#define bios_load_interleavedr(a, b, c, d, e) bios_load(a, b, c, d, e, FLAG_INT | FLAG_REP)
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#define bios_load_aux_interleaved(a, b, c, d, e) bios_load(a, b, c, d, e, FLAG_INT | FLAG_AUX)
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typedef struct rom_t {
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uint8_t *rom;
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int sz;
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uint32_t mask;
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mem_mapping_t mapping;
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} rom_t;
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typedef struct rom_path_t {
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char path[1024];
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struct rom_path_t *next;
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} rom_path_t;
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extern rom_path_t rom_paths;
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extern void rom_add_path(const char *path);
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extern uint8_t rom_read(uint32_t addr, void *priv);
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extern uint16_t rom_readw(uint32_t addr, void *priv);
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extern uint32_t rom_readl(uint32_t addr, void *priv);
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extern void rom_write(uint32_t addr, uint8_t val, void *priv);
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extern void rom_writew(uint32_t addr, uint16_t val, void *priv);
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extern void rom_writel(uint32_t addr, uint32_t val, void *priv);
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extern void rom_get_full_path(char *dest, const char *fn);
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extern FILE *rom_fopen(const char *fn, char *mode);
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extern int rom_getfile(char *fn, char *s, int size);
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extern int rom_present(const char *fn);
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extern int rom_load_linear_oddeven(const char *fn, uint32_t addr, int sz,
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int off, uint8_t *ptr);
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extern int rom_load_linear(const char *fn, uint32_t addr, int sz,
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int off, uint8_t *ptr);
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extern int rom_load_interleaved(const char *fnl, const char *fnh, uint32_t addr,
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int sz, int off, uint8_t *ptr);
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extern uint8_t bios_read(uint32_t addr, void *priv);
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extern uint16_t bios_readw(uint32_t addr, void *priv);
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extern uint32_t bios_readl(uint32_t addr, void *priv);
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extern int bios_load(const char *fn1, const char *fn2, uint32_t addr, int sz,
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int off, int flags);
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extern int bios_load_linear_combined(const char *fn1, const char *fn2,
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int sz, int off);
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extern int bios_load_linear_combined2(const char *fn1, const char *fn2,
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const char *fn3, const char *fn4, const char *fn5,
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int sz, int off);
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extern int bios_load_linear_combined2_ex(const char *fn1, const char *fn2,
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const char *fn3, const char *fn4, const char *fn5,
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int sz, int off);
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extern int rom_init(rom_t *rom, const char *fn, uint32_t address, int size,
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int mask, int file_offset, uint32_t flags);
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extern int rom_init_oddeven(rom_t *rom, const char *fn, uint32_t address, int size,
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int mask, int file_offset, uint32_t flags);
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extern int rom_init_interleaved(rom_t *rom, const char *fn_low,
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const char *fn_high, uint32_t address,
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int size, int mask, int file_offset,
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uint32_t flags);
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#endif /*EMU_ROM_H*/
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