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view x86_backend.h @ 343:467bfa17004a
Mostly working runtime generation of memory map read/write functions
author | Mike Pavone <pavone@retrodev.com> |
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date | Sat, 18 May 2013 11:44:42 -0700 |
parents | 7b8a49220e3b |
children | 2f264d2a60c2 |
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#ifndef X86_BACKEND_H_ #define X86_BACKEND_H_ #include <stdint.h> #define INVALID_OFFSET 0xFFFFFFFF #define EXTENSION_WORD 0xFFFFFFFE typedef struct { int32_t disp; uint8_t mode; uint8_t base; uint8_t index; uint8_t cycles; } x86_ea; typedef struct { uint8_t *base; int32_t *offsets; } native_map_slot; typedef struct deferred_addr { struct deferred_addr *next; uint8_t *dest; uint32_t address; } deferred_addr; #define MMAP_READ 0x1 #define MMAP_WRITE 0x2 #define MMAP_CODE 0x4 #define MMAP_PTR_IDX 0x8 typedef uint16_t (*read_16_fun)(uint32_t address, void * context); typedef uint8_t (*read_8_fun)(uint32_t address, void * context); typedef void * (*write_16_fun)(uint32_t address, void * context, uint16_t value); typedef void * (*write_8_fun)(uint32_t address, void * context, uint8_t value); typedef struct { uint32_t start; uint32_t end; uint32_t mask; uint16_t ptr_index; uint16_t flags; void * buffer; read_16_fun read_16; write_16_fun write_16; read_8_fun read_8; write_8_fun write_8; } memmap_chunk; typedef uint8_t * (*native_addr_func)(void * context, uint32_t address); deferred_addr * defer_address(deferred_addr * old_head, uint32_t address, uint8_t *dest); void remove_deferred_until(deferred_addr **head_ptr, deferred_addr * remove_to); void process_deferred(deferred_addr ** head_ptr, void * context, native_addr_func get_native); #endif //X86_BACKEND_H_