lxdream 0.9.1| filename | src/sh4/intc.c |
| changeset | 736:a02d1475ccfd |
| prev | 561:533f6b478071 |
| next | 929:fd8cb0c82f5f |
| author | nkeynes |
| date | Thu Dec 11 23:26:03 2008 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Disable the generational translation cache - I've got no evidence that it actually helps performance, and it simplifies things to get rid of it (in particular, translated code doesn't have to worry about being moved now). |
| file | annotate | diff | log | raw |
1.1 --- a/src/sh4/intc.c Tue Jan 01 05:08:38 2008 +00001.2 +++ b/src/sh4/intc.c Thu Dec 11 23:26:03 2008 +00001.3 @@ -26,21 +26,21 @@1.4 char *name;1.5 uint32_t code;1.6 } intc_sources[INT_NUM_SOURCES] = {1.7 - { "IRQ0", 0x200 }, { "IRQ1", 0x220 }, { "IRQ2", 0x240 },1.8 - { "IRQ3", 0x260 }, { "IRQ4", 0x280 }, { "IRQ5", 0x2A0 },1.9 - { "IRQ6", 0x2C0 }, { "IRQ7", 0x2E0 }, { "IRQ8", 0x300 },1.10 - { "IRQ9", 0x320 }, { "IRQ10",0x340 }, { "IRQ11",0x360 },1.11 - { "IRQ12",0x380 }, { "IRQ13",0x3A0 }, { "IRQ14",0x3C0 },1.12 - { "NMI", 0x1C0 }, { "H-UDI",0x600 }, { "GPIOI",0x620 },1.13 - { "DMTE0",0x640 }, { "DMTE1",0x660 }, { "DMTE2",0x680 },1.14 - { "DMTE3",0x6A0 }, { "DMTAE",0x6C0 }, { "TUNI0",0x400 },1.15 - { "TUNI1",0x420 }, { "TUNI2",0x440 }, { "TICPI2",0x460 },1.16 - { "RTC_ATI",0x480 },{ "RTC_PRI",0x4A0 },{ "RTC_CUI",0x4C0 },1.17 - { "SCI_ERI",0x4E0 },{ "SCI_RXI",0x500 },{ "SCI_TXI",0x520 },1.18 - { "SCI_TEI",0x540 },1.19 - { "SCIF_ERI",0x700 },{ "SCIF_RXI",0x720 },{ "SCIF_BRI",0x740 },1.20 - { "SCIF_TXI",0x760 },1.21 - { "WDT_ITI",0x560 },{ "RCMI",0x580 }, { "ROVI",0x5A0 } };1.22 + { "IRQ0", 0x200 }, { "IRQ1", 0x220 }, { "IRQ2", 0x240 },1.23 + { "IRQ3", 0x260 }, { "IRQ4", 0x280 }, { "IRQ5", 0x2A0 },1.24 + { "IRQ6", 0x2C0 }, { "IRQ7", 0x2E0 }, { "IRQ8", 0x300 },1.25 + { "IRQ9", 0x320 }, { "IRQ10",0x340 }, { "IRQ11",0x360 },1.26 + { "IRQ12",0x380 }, { "IRQ13",0x3A0 }, { "IRQ14",0x3C0 },1.27 + { "NMI", 0x1C0 }, { "H-UDI",0x600 }, { "GPIOI",0x620 },1.28 + { "DMTE0",0x640 }, { "DMTE1",0x660 }, { "DMTE2",0x680 },1.29 + { "DMTE3",0x6A0 }, { "DMTAE",0x6C0 }, { "TUNI0",0x400 },1.30 + { "TUNI1",0x420 }, { "TUNI2",0x440 }, { "TICPI2",0x460 },1.31 + { "RTC_ATI",0x480 },{ "RTC_PRI",0x4A0 },{ "RTC_CUI",0x4C0 },1.32 + { "SCI_ERI",0x4E0 },{ "SCI_RXI",0x500 },{ "SCI_TXI",0x520 },1.33 + { "SCI_TEI",0x540 },1.34 + { "SCIF_ERI",0x700 },{ "SCIF_RXI",0x720 },{ "SCIF_BRI",0x740 },1.35 + { "SCIF_TXI",0x760 },1.36 + { "WDT_ITI",0x560 },{ "RCMI",0x580 }, { "ROVI",0x5A0 } };1.38 static int intc_default_priority[INT_NUM_SOURCES] = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 16 };1.40 @@ -57,40 +57,40 @@1.41 {1.42 /* Well it saves having to use an intermediate table... */1.43 switch( reg ) {1.44 - case ICR: /* care about this later */1.45 - break;1.46 - case IPRA:1.47 - PRIORITY(INT_TMU_TUNI0) = (val>>12)&0x000F;1.48 - PRIORITY(INT_TMU_TUNI1) = (val>>8)&0x000F;1.49 - PRIORITY(INT_TMU_TUNI2) =1.50 - PRIORITY(INT_TMU_TICPI2) = (val>>4)&0x000F;1.51 - PRIORITY(INT_RTC_ATI) =1.52 - PRIORITY(INT_RTC_PRI) =1.53 + case ICR: /* care about this later */1.54 + break;1.55 + case IPRA:1.56 + PRIORITY(INT_TMU_TUNI0) = (val>>12)&0x000F;1.57 + PRIORITY(INT_TMU_TUNI1) = (val>>8)&0x000F;1.58 + PRIORITY(INT_TMU_TUNI2) =1.59 + PRIORITY(INT_TMU_TICPI2) = (val>>4)&0x000F;1.60 + PRIORITY(INT_RTC_ATI) =1.61 + PRIORITY(INT_RTC_PRI) =1.62 PRIORITY(INT_RTC_CUI) = val&0x000F;1.63 - break;1.64 - case IPRB:1.65 - PRIORITY(INT_WDT_ITI) = (val>>12)&0x000F;1.66 - PRIORITY(INT_REF_RCMI) =1.67 - PRIORITY(INT_REF_ROVI) = (val>>8)&0x000F;1.68 - PRIORITY(INT_SCI_ERI) =1.69 - PRIORITY(INT_SCI_RXI) =1.70 + break;1.71 + case IPRB:1.72 + PRIORITY(INT_WDT_ITI) = (val>>12)&0x000F;1.73 + PRIORITY(INT_REF_RCMI) =1.74 + PRIORITY(INT_REF_ROVI) = (val>>8)&0x000F;1.75 + PRIORITY(INT_SCI_ERI) =1.76 + PRIORITY(INT_SCI_RXI) =1.77 PRIORITY(INT_SCI_TXI) =1.78 - PRIORITY(INT_SCI_TEI) = (val>>4)&0x000F;1.79 - /* Bits 0-3 reserved */1.80 - break;1.81 - case IPRC:1.82 - PRIORITY(INT_GPIO) = (val>>12)&0x000F;1.83 - PRIORITY(INT_DMA_DMTE0) =1.84 - PRIORITY(INT_DMA_DMTE1) =1.85 + PRIORITY(INT_SCI_TEI) = (val>>4)&0x000F;1.86 + /* Bits 0-3 reserved */1.87 + break;1.88 + case IPRC:1.89 + PRIORITY(INT_GPIO) = (val>>12)&0x000F;1.90 + PRIORITY(INT_DMA_DMTE0) =1.91 + PRIORITY(INT_DMA_DMTE1) =1.92 PRIORITY(INT_DMA_DMTE2) =1.93 - PRIORITY(INT_DMA_DMTE3) =1.94 - PRIORITY(INT_DMA_DMAE) = (val>>8)&0x000F;1.95 - PRIORITY(INT_SCIF_ERI) =1.96 - PRIORITY(INT_SCIF_RXI) =1.97 + PRIORITY(INT_DMA_DMTE3) =1.98 + PRIORITY(INT_DMA_DMAE) = (val>>8)&0x000F;1.99 + PRIORITY(INT_SCIF_ERI) =1.100 + PRIORITY(INT_SCIF_RXI) =1.101 PRIORITY(INT_SCIF_BRI) =1.102 - PRIORITY(INT_SCIF_TXI) = (val>>4)&0x000F;1.103 - PRIORITY(INT_HUDI) = val&0x000F;1.104 - break;1.105 + PRIORITY(INT_SCIF_TXI) = (val>>4)&0x000F;1.106 + PRIORITY(INT_HUDI) = val&0x000F;1.107 + break;1.108 }1.109 MMIO_WRITE( INTC, reg, val );1.110 }1.111 @@ -106,7 +106,7 @@1.113 intc_state.num_pending = 0;1.114 for( i=0; i<INT_NUM_SOURCES; i++ )1.115 - intc_state.priority[i] = intc_default_priority[i];1.116 + intc_state.priority[i] = intc_default_priority[i];1.117 sh4r.event_pending = event_get_next_time();1.118 sh4r.event_types &= (~PENDING_IRQ);1.119 }1.120 @@ -120,7 +120,7 @@1.121 int INTC_load_state( FILE *f )1.122 {1.123 if( fread(&intc_state, sizeof(intc_state), 1, f) != 1 )1.124 - return -1;1.125 + return -1;1.126 return 0;1.127 }1.129 @@ -134,15 +134,15 @@1.130 void intc_raise_interrupt( int which )1.131 {1.132 int i, j, pri;1.133 -1.134 +1.135 pri = PRIORITY(which);1.136 if( pri == 0 ) return; /* masked off */1.137 -1.138 +1.139 for( i=0; i<intc_state.num_pending; i++ ) {1.140 if( intc_state.pending[i] == which ) return; /* Don't queue more than once */1.141 if( PRIORITY(intc_state.pending[i]) > pri ||1.142 - (PRIORITY(intc_state.pending[i]) == pri &&1.143 - intc_state.pending[i] < which))1.144 + (PRIORITY(intc_state.pending[i]) == pri &&1.145 + intc_state.pending[i] < which))1.146 break;1.147 }1.148 /* i == insertion point */1.149 @@ -152,7 +152,7 @@1.151 if( i == intc_state.num_pending && (sh4r.sr&SR_BL)==0 && SH4_INTMASK() < pri ) {1.152 sh4r.event_pending = 0;1.153 - sh4r.event_types |= PENDING_IRQ;1.154 + sh4r.event_types |= PENDING_IRQ;1.155 }1.157 intc_state.num_pending++;1.158 @@ -162,18 +162,18 @@1.159 {1.160 int i;1.161 for( i=intc_state.num_pending-1; i>=0; i-- ) {1.162 - if( intc_state.pending[i] == which ) {1.163 - /* Shift array contents down */1.164 - while( i < intc_state.num_pending-1 ) {1.165 - intc_state.pending[i] = intc_state.pending[i+1];1.166 - i++;1.167 - }1.168 - intc_state.num_pending--;1.169 - intc_mask_changed();1.170 - break;1.171 - }1.172 + if( intc_state.pending[i] == which ) {1.173 + /* Shift array contents down */1.174 + while( i < intc_state.num_pending-1 ) {1.175 + intc_state.pending[i] = intc_state.pending[i+1];1.176 + i++;1.177 + }1.178 + intc_state.num_pending--;1.179 + intc_mask_changed();1.180 + break;1.181 + }1.182 }1.183 -1.184 +1.185 }1.187 uint32_t intc_accept_interrupt( void )1.188 @@ -185,16 +185,16 @@1.189 void intc_mask_changed( void )1.190 {1.191 if( intc_state.num_pending > 0 && (sh4r.sr&SR_BL)==0 &&1.192 - SH4_INTMASK() < PRIORITY(intc_state.pending[intc_state.num_pending-1]) ) {1.193 + SH4_INTMASK() < PRIORITY(intc_state.pending[intc_state.num_pending-1]) ) {1.194 sh4r.event_pending = 0;1.195 - sh4r.event_types |= PENDING_IRQ ;1.196 + sh4r.event_types |= PENDING_IRQ ;1.197 }1.198 else {1.199 - sh4r.event_pending = event_get_next_time();1.200 - sh4r.event_types &= (~PENDING_IRQ);1.201 + sh4r.event_pending = event_get_next_time();1.202 + sh4r.event_types &= (~PENDING_IRQ);1.203 }1.204 }1.205 -1.206 +1.208 char *intc_get_interrupt_name( int code )1.209 {
.