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32x: new SH2 memory handling, hopefully faster

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@817 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-15 20:03:23 +00:00
parent 6add7875b5
commit bcf65fd674
7 changed files with 377 additions and 221 deletions
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30
cpu/sh2/sh2.h
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@ -1,16 +1,6 @@
#ifndef __SH2_H__
#define __SH2_H__
// pico memhandlers
// XXX: move somewhere else
unsigned int p32x_sh2_read8(unsigned int a, int id);
unsigned int p32x_sh2_read16(unsigned int a, int id);
unsigned int p32x_sh2_read32(unsigned int a, int id);
void p32x_sh2_write8(unsigned int a, unsigned int d, int id);
void p32x_sh2_write16(unsigned int a, unsigned int d, int id);
void p32x_sh2_write32(unsigned int a, unsigned int d, int id);
typedef struct
{
unsigned int r[16]; // 00
@ -27,10 +17,15 @@ typedef struct
unsigned int delay;
unsigned int test_irq;
// drc stuff
void **pc_hashtab; // 70
// common
void *read8_map; // 70
void *read16_map;
void *write8_map;
void *write16_map;
// drc stuff
void **pc_hashtab; // 80
int pending_level; // MAX(pending_irl, pending_int_irq)
int pending_irl;
int pending_int_irq; // internal irq
@ -53,4 +48,13 @@ void sh2_do_irq(SH2 *sh2, int level, int vector);
void sh2_execute(SH2 *sh2, int cycles);
// pico memhandlers
// XXX: move somewhere else
unsigned int p32x_sh2_read8(unsigned int a, SH2 *sh2);
unsigned int p32x_sh2_read16(unsigned int a, SH2 *sh2);
unsigned int p32x_sh2_read32(unsigned int a, SH2 *sh2);
void p32x_sh2_write8(unsigned int a, unsigned int d, SH2 *sh2);
void p32x_sh2_write16(unsigned int a, unsigned int d, SH2 *sh2);
void p32x_sh2_write32(unsigned int a, unsigned int d, SH2 *sh2);
#endif /* __SH2_H__ */