84ac04d2df
Added emulation of i430LX and i430FX chipsets. Added support for PCI configuration type 2, used by i430LX. Added AT disable keyboard command, and fixed enable keyboard command. Added emulation of Intel 28F001BXT flash ROM, used by Advanced/EV. Fixed a bug in REP when using multiple 66/67 prefixes.
100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
typedef struct mem_mapping_t
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{
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struct mem_mapping_t *prev, *next;
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int enable;
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uint32_t base;
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uint32_t size;
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uint8_t (*read_b)(uint32_t addr, void *priv);
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uint16_t (*read_w)(uint32_t addr, void *priv);
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uint32_t (*read_l)(uint32_t addr, void *priv);
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void (*write_b)(uint32_t addr, uint8_t val, void *priv);
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void (*write_w)(uint32_t addr, uint16_t val, void *priv);
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void (*write_l)(uint32_t addr, uint32_t val, void *priv);
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uint8_t *exec;
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uint32_t flags;
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void *p;
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} mem_mapping_t;
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/*Only present on external bus (ISA/PCI)*/
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#define MEM_MAPPING_EXTERNAL 1
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/*Only present on internal bus (RAM)*/
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#define MEM_MAPPING_INTERNAL 2
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extern uint8_t *ram,*rom;
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extern uint8_t romext[32768];
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extern int readlnum,writelnum;
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extern int memspeed[11];
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extern int nopageerrors;
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extern int cache;
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extern int memwaitstate;
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void mem_mapping_add(mem_mapping_t *mapping,
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uint32_t base,
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uint32_t size,
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uint8_t (*read_b)(uint32_t addr, void *p),
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uint16_t (*read_w)(uint32_t addr, void *p),
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uint32_t (*read_l)(uint32_t addr, void *p),
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void (*write_b)(uint32_t addr, uint8_t val, void *p),
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void (*write_w)(uint32_t addr, uint16_t val, void *p),
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void (*write_l)(uint32_t addr, uint32_t val, void *p),
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uint8_t *exec,
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uint32_t flags,
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void *p);
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void mem_mapping_set_handler(mem_mapping_t *mapping,
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uint8_t (*read_b)(uint32_t addr, void *p),
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uint16_t (*read_w)(uint32_t addr, void *p),
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uint32_t (*read_l)(uint32_t addr, void *p),
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void (*write_b)(uint32_t addr, uint8_t val, void *p),
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void (*write_w)(uint32_t addr, uint16_t val, void *p),
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void (*write_l)(uint32_t addr, uint32_t val, void *p));
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void mem_mapping_set_p(mem_mapping_t *mapping, void *p);
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void mem_mapping_set_addr(mem_mapping_t *mapping, uint32_t base, uint32_t size);
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void mem_mapping_set_exec(mem_mapping_t *mapping, uint8_t *exec);
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void mem_mapping_disable(mem_mapping_t *mapping);
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void mem_mapping_enable(mem_mapping_t *mapping);
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void mem_set_mem_state(uint32_t base, uint32_t size, int state);
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#define MEM_READ_ANY 0x00
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#define MEM_READ_INTERNAL 0x10
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#define MEM_READ_EXTERNAL 0x20
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#define MEM_READ_MASK 0xf0
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#define MEM_WRITE_ANY 0x00
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#define MEM_WRITE_INTERNAL 0x01
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#define MEM_WRITE_EXTERNAL 0x02
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#define MEM_WRITE_DISABLED 0x03
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#define MEM_WRITE_MASK 0x0f
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extern int mem_a20_alt;
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extern int mem_a20_key;
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void mem_a20_recalc();
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uint8_t mem_readb_phys(uint32_t addr);
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void mem_writeb_phys(uint32_t addr, uint8_t val);
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uint8_t mem_read_ram(uint32_t addr, void *priv);
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uint16_t mem_read_ramw(uint32_t addr, void *priv);
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uint32_t mem_read_raml(uint32_t addr, void *priv);
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void mem_write_ram(uint32_t addr, uint8_t val, void *priv);
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void mem_write_ramw(uint32_t addr, uint16_t val, void *priv);
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void mem_write_raml(uint32_t addr, uint32_t val, void *priv);
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uint8_t mem_read_bios(uint32_t addr, void *priv);
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uint16_t mem_read_biosw(uint32_t addr, void *priv);
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uint32_t mem_read_biosl(uint32_t addr, void *priv);
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void mem_write_null(uint32_t addr, uint8_t val, void *p);
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void mem_write_nullw(uint32_t addr, uint16_t val, void *p);
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void mem_write_nulll(uint32_t addr, uint32_t val, void *p);
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FILE *romfopen(char *fn, char *mode);
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mem_mapping_t bios_mapping[8];
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