annotate gen.h @ 677:687c1dd3bcb9

Fake busack when Z80 is disabled
author Michael Pavone <pavone@retrodev.com>
date Sat, 03 Jan 2015 21:54:41 -0800
parents d0943769353b
children a7774fc2de4b
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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1 #ifndef GEN_H_
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2 #define GEN_H_
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3 #include <stdint.h>
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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5 #if defined(X86_64) || defined(X86_32)
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6 typedef uint8_t code_word;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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7 #define RESERVE_WORDS 5 //opcode + 4-byte displacement
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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8 #else
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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9 typedef uint32_t code_word;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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10 #define RESERVE_WORDS 4 //1 push + 1 ldr + 1bx + 1 constant
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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11 #endif
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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12 typedef code_word * code_ptr;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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13 #define CODE_ALLOC_SIZE (1024*1024)
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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15 typedef struct {
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16 code_ptr cur;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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17 code_ptr last;
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18 } code_info;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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19
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98927f1b005b Fix some issues with 68K instruction retranslation
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20 void check_alloc_code(code_info *code, uint32_t inst_size);
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21
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22 void init_code_info(code_info *code);
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23 void call(code_info *code, code_ptr fun);
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24 void jmp(code_info *code, code_ptr dest);
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25 void jmp_r(code_info *code, uint8_t dst);
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24ccfd70133a Added 2 new functions to gen_x86.c for handling passing args according to the C abi of the host system and adapted the code in m68k_core_x86.c to use that instead of doing everything by hand
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26 //call a function and put the arguments in the appropriate place according to the host ABI
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27 void call_args(code_info *code, code_ptr fun, uint32_t num_args, ...);
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28 //like the above, but follows other aspects of the ABI like stack alignment
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29 void call_args_abi(code_info *code, code_ptr fun, uint32_t num_args, ...);
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d0943769353b Added functions to gen_x86 for saving and restoring callee save registers to better abstract over ABI differences between x86 and x86-64
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30 void save_callee_save_regs(code_info *code);
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31 void restore_callee_save_regs(code_info *code);
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
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33 #endif //GEN_H_