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annotate gen.h @ 620:9d6fed6501ba

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Fix handling of code writes for Z80 core. This seems to get things close to being back to where they were before the big refactor that broke the Z80 core. Some problems remain. Notably the sound driver in Sonic 2 is still quite broken.
author Michael Pavone <pavone@retrodev.com>
date Mon, 29 Dec 2014 23:08:39 -0800
parents 1594525e2157
children 98927f1b005b
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563
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #ifndef GEN_H_
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
Michael Pavone <pavone@retrodev.com>
parents:
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2 #define GEN_H_
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 #include <stdint.h>
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #if defined(X86_64) || defined(X86_32)
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 typedef struct {
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 code_ptr last;
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 void init_code_info(code_info *code);
570
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents: 563
diff changeset
21 void call(code_info *code, code_ptr fun);
76bba9ffe351 Initial stab at separating the generic parts of the 68K core from the host-cpu specific parts.
Michael Pavone <pavone@retrodev.com>
parents: 563
diff changeset
22 void jmp(code_info *code, code_ptr dest);
574
1594525e2157 More 68K core refactoring to both reduce the amount of code and better split the host-cpu specific parts from the generic parts
Michael Pavone <pavone@retrodev.com>
parents: 570
diff changeset
23 void jmp_r(code_info *code, uint8_t dst);
563
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24
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
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 #endif //GEN_H_