repos/blastem: m68k_to_x86.h annotate

annotate m68k_to_x86.h @ 478:2e4a4188cfb0

Fix DMA fill so that it does not cause observable changes to the FIFO. Get DMA copy mostly correct from an observable ffect perspective. DMA copy probably does not reflect internal implementation still given that evidence seems to suggest no FIFO usage at all.

author	Mike Pavone <pavone@retrodev.com>
date	Tue, 17 Sep 2013 00:11:45 -0700
parents	140af5509ce7
children	c2716b502a81

rev	line source
467 140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 348 diff changeset	1 /*
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 348 diff changeset	2 Copyright 2013 Michael Pavone
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 348 diff changeset	3 This file is part of BlastEm.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 348 diff changeset	4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING Mike Pavone <pavone@retrodev.com> parents: 348 diff changeset	5 */
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	6 #ifndef M68K_TO_X86_H_
209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	7 #define M68K_TO_X86_H_
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	8 #include <stdint.h>
197 7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	9 #include <stdio.h>
211 464513050c85 Small bit of cleanup Mike Pavone <pavone@retrodev.com> parents: 208 diff changeset	10 #include "x86_backend.h"
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	11 //#include "68kinst.h"
3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	12 struct m68kinst;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	13
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	14 #define NUM_MEM_AREAS 4
86 3d3966c254b2 RTE doesn't crash the emulator anymore Mike Pavone <pavone@retrodev.com> parents: 82 diff changeset	15 #define NATIVE_MAP_CHUNKS (64*1024)
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	16 #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2)
193 c66e4636f991 Implement support for self-modifying code Mike Pavone <pavone@retrodev.com> parents: 192 diff changeset	17 #define MAX_NATIVE_SIZE 255
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	18
155 94a65fb4e1c7 Don't use the native call stack for M68K calls by default Mike Pavone <pavone@retrodev.com> parents: 95 diff changeset	19 #define OPT_NATIVE_CALL_STACK 0x1
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	20
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	21 typedef struct {
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	22 uint32_t flags;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	23 int8_t dregs[8];
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	24 int8_t aregs[8];
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	25 native_map_slot *native_code_map;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	26 deferred_addr *deferred;
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 86 diff changeset	27 uint8_t *cur_code;
dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 86 diff changeset	28 uint8_t *code_end;
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 184 diff changeset	29 uint8_t **ram_inst_sizes;
197 7c227a8ec53d Add instruction address logging to translator and support for reading an address log to the disassembler Mike Pavone <pavone@retrodev.com> parents: 193 diff changeset	30 FILE *address_log;
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	31 uint8_t *read_16;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	32 uint8_t *write_16;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	33 uint8_t *read_8;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	34 uint8_t *write_8;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	35 uint8_t *read_32;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	36 uint8_t *write_32_lowfirst;
467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	37 uint8_t *write_32_highfirst;
347 b24556b45d1e Generate handle_cycle_limit_int at runtime so it can refer to the runtime generated memory map functions Mike Pavone <pavone@retrodev.com> parents: 343 diff changeset	38 uint8_t *handle_cycle_limit_int;
348 3923dbc2dcc4 m68k_trap is now replaced with a generated one so it can call the generated memory acccess functions. The old static memory access functions have been removed from runtime.S Mike Pavone <pavone@retrodev.com> parents: 347 diff changeset	39 uint8_t *trap;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	40 } x86_68k_options;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	41
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	42 typedef struct {
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	43 uint8_t flags[5];
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	44 uint8_t status;
317 e5e8b48ad157 Initial stab at horizontal interrupts and improving accuracy of vertical interrupts. Also added the VINT pending flag to status port. Mike Pavone <pavone@retrodev.com> parents: 288 diff changeset	45 uint16_t int_ack;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	46 uint32_t dregs[8];
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	47 uint32_t aregs[9];
8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	48 uint32_t target_cycle; //cycle at which the next synchronization or interrupt occurs
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	49 uint32_t current_cycle;
73 8da611e69b32 Implement a couple of supervisor instructions Mike Pavone <pavone@retrodev.com> parents: 54 diff changeset	50 uint32_t sync_cycle;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	51 uint32_t int_cycle;
6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	52 uint32_t int_num;
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	53 uint16_t *mem_pointers[NUM_MEM_AREAS];
263 2989ed7b8608 Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K. Mike Pavone <pavone@retrodev.com> parents: 252 diff changeset	54 void *video_context;
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	55 uint16_t reserved;
82 6331ddec228f Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested). Mike Pavone <pavone@retrodev.com> parents: 73 diff changeset	56
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	57 native_map_slot *native_code_map;
3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	58 void *options;
192 1db07e112bf7 Prep work for handling games that modify code in RAM Mike Pavone <pavone@retrodev.com> parents: 184 diff changeset	59 uint8_t ram_code_flags[32/8];
288 a8ee7934a1f8 Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run. Mike Pavone <pavone@retrodev.com> parents: 263 diff changeset	60 void *system;
14 2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	61 } m68k_context;
2bdad0f52f42 x86 code gen, initial work on translator Mike Pavone <pavone@retrodev.com> parents: diff changeset	62
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	63 uint8_t * translate_m68k(uint8_t * dst, struct m68kinst * inst, x86_68k_options * opts);
95 dd3c680c618c Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding Mike Pavone <pavone@retrodev.com> parents: 86 diff changeset	64 uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	65 void start_68k_context(m68k_context * context, uint32_t address);
343 467bfa17004a Mostly working runtime generation of memory map read/write functions Mike Pavone <pavone@retrodev.com> parents: 317 diff changeset	66 void init_x86_68k_opts(x86_68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks);
18 3e7bfde7606e M68K to x86 translation works for a limited subset of instructions and addressing modes Mike Pavone <pavone@retrodev.com> parents: 14 diff changeset	67 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	68 void m68k_reset(m68k_context * context);
184 ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 155 diff changeset	69 void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler);
ebcbdd1c4cc8 Fix a bunch of bugs in the CPU core, add a 68K debugger Mike Pavone <pavone@retrodev.com> parents: 155 diff changeset	70 void remove_breakpoint(m68k_context * context, uint32_t address);
208 3457dc6fd558 Tweaks to make blastem compatible with m68k-tester Mike Pavone <pavone@retrodev.com> parents: 198 diff changeset	71 m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context);
54 3b79cbcf6846 Get Flavio's color bar demo kind of sort of working Mike Pavone <pavone@retrodev.com> parents: 18 diff changeset	72
198 209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	73 #endif //M68K_TO_X86_H_
209a37eed3e7 Add support for breaking into the debugger while game is running Mike Pavone <pavone@retrodev.com> parents: 197 diff changeset	74

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annotate m68k_to_x86.h @ 478:2e4a4188cfb0