lxdream 0.9.1| filename | src/mmio.h |
| changeset | 10:c898b37506e0 |
| next | 31:495e480360d7 |
| author | nkeynes |
| date | Sun Dec 11 05:15:36 2005 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Add CPU disasembly options to mode dropdown Split sh4/mem.c into core mem.c and sh4/mem.c Start adding copyright comments to file headers |
| file | annotate | diff | log | raw |
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +00001.2 +++ b/src/mmio.h Sun Dec 11 05:15:36 2005 +00001.3 @@ -0,0 +1,152 @@1.4 +#ifndef dream_mmio_H1.5 +#define dream_mmio_H 11.6 +1.7 +#ifdef __cplusplus1.8 +extern "C" {1.9 +#if 01.10 +}1.11 +#endif1.12 +#endif1.13 +1.14 +#include <stdint.h>1.15 +#include <stdlib.h>1.16 +#include "sh4core.h"1.17 +1.18 +#define PAGE_TABLE_ENTRIES 128*10241.19 +#define PAGE_SIZE 40961.20 +#define PAGE_BITS 121.21 +1.22 +#define PORT_R 11.23 +#define PORT_W 21.24 +#define PORT_MEM 4 /* store written value */1.25 +#define PORT_RW 31.26 +#define PORT_MR 51.27 +#define PORT_MRW 71.28 +#define UNDEFINED 0xDEADBEEF /* This has to be a value that nothing inits to */1.29 +1.30 +struct mmio_region {1.31 + char *id, *desc;1.32 + uint32_t base;1.33 + int32_t (*io_read)(uint32_t addr);1.34 + void (*io_write)(uint32_t addr, uint32_t val);1.35 + char *mem;1.36 + char *save_mem; /* Used to compare for gui updates */1.37 + struct mmio_port {1.38 + char *id, *desc;1.39 + int width;1.40 + uint32_t offset;1.41 + uint32_t def_val;1.42 + int flags;1.43 + uint32_t *val;1.44 + } ports[80];1.45 + struct mmio_port **index; /* reverse lookup by address */1.46 + int trace_flag; /* set to 1 to enable transfer traces */1.47 +};1.48 +1.49 +void register_io_region( struct mmio_region *mmio );1.50 +void register_io_regions( struct mmio_region **mmiolist );1.51 +1.52 +extern struct mmio_region *io_rgn[];1.53 +extern int num_io_rgns;1.54 +1.55 +#define MMIO_READ( id, r ) *((int32_t *)(mmio_region_##id.mem + (r)))1.56 +#define MMIO_WRITE( id, r, v ) *((int32_t *)(mmio_region_##id.mem + (r))) = (v)1.57 +#define MMIO_REG( id, r ) ((int32_t *)(mmio_region_##id.mem + (r)))1.58 +#define MMIO_REGID( mid, r ) (mmio_region_##mid.index[(r)>>2] != NULL ? \1.59 + mmio_region_##mid.index[(r)>>2]->id : "<UNDEF>" )1.60 +#define MMIO_REGDESC( mid, r) (mmio_region_##mid.index[(r)>>2] != NULL ? \1.61 + mmio_region_##mid.index[(r)>>2]->desc : "Undefined register" )1.62 +#define MMIO_TRACE( mid ) mmio_region_##mid.trace_flag = 11.63 +#define MMIO_NOTRACE( mid ) mmio_region_##mid.trace_flag = 01.64 +1.65 +#define MMIO_REGID_BYNUM( mid, r ) (io_rgn[mid]->index[(r)>>2] != NULL ? \1.66 + io_rgn[mid]->index[(r)>>2]->id : "<UNDEF>" )1.67 +#define MMIO_REGDESC_BYNUM( mid, r ) (io_rgn[mid]->index[(r)>>2] != NULL ? \1.68 + io_rgn[mid]->index[(r)>>2]->desc : "Undefined register" )1.69 +#define MMIO_NAME_BYNUM( mid ) (io_rgn[mid]->id)1.70 +1.71 +#ifdef __cplusplus1.72 +}1.73 +#endif1.74 +1.75 +#endif1.76 +1.77 +#ifdef MMIO_IMPL1.78 +1.79 +#ifndef MMIO_IMPL_INCLUDED1.80 +#define MMIO_IMPL_INCLUDED1.81 +#undef MMIO_REGION_BEGIN1.82 +#undef LONG_PORT1.83 +#undef WORD_PORT1.84 +#undef BYTE_PORT1.85 +#undef MMIO_REGION_END1.86 +#undef MMIO_REGION_LIST_BEGIN1.87 +#undef MMIO_REGION1.88 +#undef MMIO_REGION_LIST_END1.89 +#define MMIO_REGION_BEGIN(b,id,d) struct mmio_region mmio_region_##id = { #id, d, b, mmio_region_##id##_read, mmio_region_##id##_write, 0, 0, {1.90 +#define LONG_PORT( o,id,f,def,d ) { #id, d, 32, o, def, f },1.91 +#define WORD_PORT( o,id,f,def,d ) { #id, d, 16, o, def, f },1.92 +#define BYTE_PORT( o,id,f,def,d ) { #id, d, 8, o, def, f },1.93 +#define MMIO_REGION_END {NULL, NULL, 0, 0, 0, 0} } };1.94 +#define MMIO_REGION_LIST_BEGIN(id) struct mmio_region *mmio_list_##id[] = {1.95 +#define MMIO_REGION( id ) &mmio_region_##id,1.96 +#define MMIO_REGION_LIST_END NULL};1.97 +1.98 +/* Stub defines for modules we haven't got to yet, or ones which don't1.99 + * actually need any direct code on read and/or write1.100 + */1.101 +#define MMIO_REGION_READ_STUBFN( id ) \1.102 +int32_t mmio_region_##id##_read( uint32_t reg ) { \1.103 + int32_t val = MMIO_READ( id, reg ); \1.104 + WARN( "Read from unimplemented module %s (%03X => %08X) [%s: %s]",\1.105 + #id, reg, val, MMIO_REGID(id,reg), MMIO_REGDESC(id,reg) ); \1.106 + return val; \1.107 +}1.108 +#define MMIO_REGION_WRITE_STUBFN( id ) \1.109 +void mmio_region_##id##_write( uint32_t reg, uint32_t val ) { \1.110 + WARN( "Write to unimplemented module %s (%03X <= %08X) [%s: %s]", \1.111 + #id, reg, val, MMIO_REGID(id,reg), MMIO_REGDESC(id,reg) ); \1.112 + MMIO_WRITE( id, reg, val ); \1.113 +}1.114 +#define MMIO_REGION_STUBFNS( id ) \1.115 + MMIO_REGION_READ_STUBFN( id ) \1.116 + MMIO_REGION_WRITE_STUBFN( id )1.117 +#define MMIO_REGION_READ_DEFFN( id ) \1.118 +int32_t mmio_region_##id##_read( uint32_t reg ) { \1.119 + return MMIO_READ( id, reg ); \1.120 +}1.121 +#define MMIO_REGION_WRITE_DEFFN( id ) \1.122 +void mmio_region_##id##_write( uint32_t reg, uint32_t val ) { \1.123 + MMIO_WRITE( id, reg, val ); \1.124 +}1.125 +#define MMIO_REGION_DEFFNS( id ) \1.126 + MMIO_REGION_READ_DEFFN( id ) \1.127 + MMIO_REGION_WRITE_DEFFN( id )1.128 +#endif1.129 +1.130 +#define MMIO_REGION_WRITE_FN( id, reg, val ) \1.131 +void mmio_region_##id##_write( uint32_t reg, uint32_t val )1.132 +1.133 +#define MMIO_REGION_READ_FN( id, reg ) \1.134 +int32_t mmio_region_##id##_read( uint32_t reg )1.135 +1.136 +#else1.137 +1.138 +#ifndef MMIO_IFACE_INCLUDED1.139 +#define MMIO_IFACE_INCLUDED1.140 +#define MMIO_REGION_BEGIN(b,id,d) \1.141 +extern struct mmio_region mmio_region_##id; \1.142 +int32_t mmio_region_##id##_read(uint32_t); \1.143 +void mmio_region_##id##_write(uint32_t, uint32_t); \1.144 +enum mmio_region_##id##_port_t {1.145 +#define LONG_PORT( o,id,f,def,d ) id = o,1.146 +#define WORD_PORT( o,id,f,def,d ) id = o,1.147 +#define BYTE_PORT( o,id,f,def,d ) id = o,1.148 +#define MMIO_REGION_END };1.149 +#define MMIO_REGION_LIST_BEGIN(id) extern struct mmio_region *mmio_list_##id[];1.150 +#define MMIO_REGION( id )1.151 +#define MMIO_REGION_LIST_END1.152 +#endif1.153 +1.154 +#endif1.155 +
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