lxdream 0.9.1| filename | src/sh4/sh4core.c |
| changeset | 378:f10fbdd4e24b |
| prev | 374:8f80a795513e |
| next | 384:c9d5c194984b |
| author | nkeynes |
| date | Wed Sep 12 11:31:16 2007 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Fix load_spreg/store_spreg Fix PREF Add jump target debug checking |
| file | annotate | diff | log | raw |
1.1 --- a/src/sh4/sh4core.c Tue Sep 11 02:14:46 2007 +00001.2 +++ b/src/sh4/sh4core.c Wed Sep 12 11:31:16 2007 +00001.3 @@ -1,5 +1,5 @@1.4 /**1.5 - * $Id: sh4core.c,v 1.44 2007-09-11 02:14:46 nkeynes Exp $1.6 + * $Id: sh4core.c,v 1.45 2007-09-12 09:20:38 nkeynes Exp $1.7 *1.8 * SH4 emulation core, and parent module for all the SH4 peripheral1.9 * modules.1.10 @@ -40,94 +40,11 @@1.12 /********************** SH4 Module Definition ****************************/1.14 -void sh4_init( void );1.15 -void sh4_reset( void );1.16 uint32_t sh4_run_slice( uint32_t );1.17 -void sh4_start( void );1.18 -void sh4_stop( void );1.19 -void sh4_save_state( FILE *f );1.20 -int sh4_load_state( FILE *f );1.21 -void sh4_accept_interrupt( void );1.23 -struct dreamcast_module sh4_module = { "SH4", sh4_init, sh4_reset,1.24 - NULL, sh4_run_slice, sh4_stop,1.25 - sh4_save_state, sh4_load_state };1.26 -1.27 -struct sh4_registers sh4r;1.28 -1.29 -void sh4_init(void)1.30 -{1.31 - register_io_regions( mmio_list_sh4mmio );1.32 - MMU_init();1.33 - sh4_reset();1.34 -}1.35 -1.36 -void sh4_reset(void)1.37 -{1.38 - /* zero everything out, for the sake of having a consistent state. */1.39 - memset( &sh4r, 0, sizeof(sh4r) );1.40 -1.41 - /* Resume running if we were halted */1.42 - sh4r.sh4_state = SH4_STATE_RUNNING;1.43 -1.44 - sh4r.pc = 0xA0000000;1.45 - sh4r.new_pc= 0xA0000002;1.46 - sh4r.vbr = 0x00000000;1.47 - sh4r.fpscr = 0x00040001;1.48 - sh4r.sr = 0x700000F0;1.49 - sh4r.fr_bank = &sh4r.fr[0][0];1.50 -1.51 - /* Mem reset will do this, but if we want to reset _just_ the SH4... */1.52 - MMIO_WRITE( MMU, EXPEVT, EXC_POWER_RESET );1.53 -1.54 - /* Peripheral modules */1.55 - CPG_reset();1.56 - INTC_reset();1.57 - MMU_reset();1.58 - TMU_reset();1.59 - SCIF_reset();1.60 -}1.61 -1.62 -static struct breakpoint_struct sh4_breakpoints[MAX_BREAKPOINTS];1.63 -static int sh4_breakpoint_count = 0;1.64 static uint16_t *sh4_icache = NULL;1.65 static uint32_t sh4_icache_addr = 0;1.67 -void sh4_set_breakpoint( uint32_t pc, int type )1.68 -{1.69 - sh4_breakpoints[sh4_breakpoint_count].address = pc;1.70 - sh4_breakpoints[sh4_breakpoint_count].type = type;1.71 - sh4_breakpoint_count++;1.72 -}1.73 -1.74 -gboolean sh4_clear_breakpoint( uint32_t pc, int type )1.75 -{1.76 - int i;1.77 -1.78 - for( i=0; i<sh4_breakpoint_count; i++ ) {1.79 - if( sh4_breakpoints[i].address == pc &&1.80 - sh4_breakpoints[i].type == type ) {1.81 - while( ++i < sh4_breakpoint_count ) {1.82 - sh4_breakpoints[i-1].address = sh4_breakpoints[i].address;1.83 - sh4_breakpoints[i-1].type = sh4_breakpoints[i].type;1.84 - }1.85 - sh4_breakpoint_count--;1.86 - return TRUE;1.87 - }1.88 - }1.89 - return FALSE;1.90 -}1.91 -1.92 -int sh4_get_breakpoint( uint32_t pc )1.93 -{1.94 - int i;1.95 - for( i=0; i<sh4_breakpoint_count; i++ ) {1.96 - if( sh4_breakpoints[i].address == pc )1.97 - return sh4_breakpoints[i].type;1.98 - }1.99 - return 0;1.100 -}1.101 -1.102 uint32_t sh4_run_slice( uint32_t nanosecs )1.103 {1.104 int i;1.105 @@ -199,29 +116,6 @@1.106 return nanosecs;1.107 }1.109 -void sh4_stop(void)1.110 -{1.111 -1.112 -}1.113 -1.114 -void sh4_save_state( FILE *f )1.115 -{1.116 - fwrite( &sh4r, sizeof(sh4r), 1, f );1.117 - MMU_save_state( f );1.118 - INTC_save_state( f );1.119 - TMU_save_state( f );1.120 - SCIF_save_state( f );1.121 -}1.122 -1.123 -int sh4_load_state( FILE * f )1.124 -{1.125 - fread( &sh4r, sizeof(sh4r), 1, f );1.126 - MMU_load_state( f );1.127 - INTC_load_state( f );1.128 - TMU_load_state( f );1.129 - return SCIF_load_state( f );1.130 -}1.131 -1.132 /********************** SH4 emulation core ****************************/1.134 void sh4_set_pc( int pc )
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