1 
2 /*
3 #    Sfront, a SAOL to C translator
4 #    This file: Main loop for runtime: active driver, shorts
5 #
6 # Copyright (c) 1999-2006, Regents of the University of California
7 # All rights reserved.
8 #
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions are
11 # met:
12 #
13 #  Redistributions of source code must retain the above copyright
14 #  notice, this list of conditions and the following disclaimer.
15 #
16 #  Redistributions in binary form must reproduce the above copyright
17 #  notice, this list of conditions and the following disclaimer in the
18 #  documentation and/or other materials provided with the distribution.
19 #
20 #  Neither the name of the University of California, Berkeley nor the
21 #  names of its contributors may be used to endorse or promote products
22 #  derived from this software without specific prior written permission.
23 #
24 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #
36 #    Maintainer: John Lazzaro, lazzaro@cs.berkeley.edu
37 */
38 
39 
40 
41 #if defined(ASYS_ACTIVE_O)
42 
asys_orun(ASYS_OTYPE obuf[],int * osize)43 int asys_orun(ASYS_OTYPE obuf[], int * osize)
44 
45 {
46   int obusidx = 0;
47   int busidx;
48 
49   if (EV(asys_exit_status) == ASYS_EXIT)
50     return ASYS_EXIT;
51 
52   while (obusidx < *osize)
53     if (EV(acycleidx) < EV(ACYCLE))
54       {
55 	memset(&(TB(0)), 0, sizeof(TB(0))*ENDBUS);
56 	main_apass(ENGINE_PTR);
57 	for (busidx=BUS_output_bus; busidx<ENDBUS_output_bus;busidx++)
58 	  {
59 	    TB(busidx) = (TB(busidx) >  1.0F) ?  1.0F : TB(busidx);
60 
61 #if (ASYS_OTYPENAME == ASYS_SHORT)
62 	    TB(busidx) = (TB(busidx) < -1.0F) ? -1.0F : TB(busidx);
63 	    obuf[obusidx++] = (short) (32767.0F * TB(busidx));
64 #endif
65 
66 #if (ASYS_OTYPENAME == ASYS_FLOAT)
67 	    obuf[obusidx++] = (TB(busidx) < -1.0F) ? -1.0F : TB(busidx);
68 #endif
69 
70 	  }
71 	EV(acycleidx)++;
72       }
73     else
74       {
75 	EV(acycleidx) = 0;
76 	if (EV(pass) == APASS)
77 	  {
78 	    EV(cpuload) = ksync();
79 	    EV(kcycleidx)++;
80 	  }
81 	if (EV(kcycleidx) > EV(endkcycle))
82 	  {
83 	    *osize = obusidx;
84 	    return (EV(asys_exit_status) = ASYS_EXIT);
85 	  }
86 	EV(pass) = IPASS;
87 	EV(scorebeats) = EV(scoremult)*(EV(kcycleidx) - EV(kbase)) + EV(scorebase);
88 	EV(absolutetime) = (EV(kcycleidx) - 1)*EV(KTIME);
89 	main_ipass(ENGINE_PTR);
90 	EV(pass) = KPASS;
91 	main_control(ENGINE_PTR);
92 	if (main_kpass(ENGINE_PTR))
93 	  {
94 	    *osize = obusidx;
95 	    return (EV(asys_exit_status) = ASYS_EXIT);
96 	  }
97 	EV(pass) = APASS;
98       }
99 
100   return ASYS_DONE;
101 }
102 
103 #endif  /* ASYS_ACTIVE_O */
104 
105 
106 #if defined(ASYS_ACTIVE_IO)
107 
asys_iorun(ASYS_ITYPE ibuf[],int * isize,ASYS_OTYPE obuf[],int * osize)108 int asys_iorun(ASYS_ITYPE ibuf[], int * isize,ASYS_OTYPE obuf[], int * osize)
109 
110 {
111   int ibusidx = 0;
112   int obusidx = 0;
113   int busidx;
114 
115   if (EV(asys_exit_status) == ASYS_EXIT)
116     return ASYS_EXIT;
117 
118   while ((obusidx < *osize) && (ibusidx < *isize))
119     if (EV(acycleidx) < EV(ACYCLE))
120       {
121 	memset(&(TB(0)), 0, sizeof(TB(0))*ENDBUS);
122 
123 #if (ASYS_ITYPENAME == ASYS_SHORT)
124 	for(busidx=BUS_input_bus;busidx<ENDBUS_input_bus;busidx++)
125 	  TB(busidx) = 3.051851e-5F*ibuf[ibusidx++];
126 #endif
127 
128 #if (ASYS_ITYPENAME == ASYS_FLOAT)
129 	for(busidx=BUS_input_bus;busidx<ENDBUS_input_bus;busidx++)
130 	  TB(busidx) = ibuf[ibusidx++];
131 #endif
132 
133 	main_apass(ENGINE_PTR);
134 	for (busidx=BUS_output_bus; busidx<ENDBUS_output_bus;busidx++)
135 	  {
136 	    TB(busidx) = (TB(busidx) >  1.0F) ?  1.0F : TB(busidx);
137 
138 #if (ASYS_OTYPENAME == ASYS_SHORT)
139 	    TB(busidx) = (TB(busidx) < -1.0F) ? -1.0F : TB(busidx);
140 	    obuf[obusidx++] = (short) (32767.0F * TB(busidx));
141 #endif
142 
143 #if (ASYS_OTYPENAME == ASYS_FLOAT)
144 	    obuf[obusidx++] = (TB(busidx) < -1.0F) ? -1.0F : TB(busidx);
145 #endif
146 	  }
147 	EV(acycleidx)++;
148       }
149     else
150       {
151 	EV(acycleidx) = 0;
152 	if (EV(pass) == APASS)
153 	  {
154 	    EV(cpuload) = ksync();
155 	    EV(kcycleidx)++;
156 	  }
157 	if (EV(kcycleidx) > EV(endkcycle))
158 	  {
159 	    *osize = obusidx;
160 	    *isize = ibusidx;
161 	    return (EV(asys_exit_status) = ASYS_EXIT);
162 	  }
163 	EV(pass) = IPASS;
164 	EV(scorebeats) = EV(scoremult)*(EV(kcycleidx) - EV(kbase)) + EV(scorebase);
165 	EV(absolutetime) = (EV(kcycleidx) - 1)*EV(KTIME);
166 	main_ipass(ENGINE_PTR);
167 	EV(pass) = KPASS;
168 	main_control(ENGINE_PTR);
169 	if (main_kpass(ENGINE_PTR))
170 	  {
171 	    *osize = obusidx;
172 	    *isize = ibusidx;
173 	    return (EV(asys_exit_status) = ASYS_EXIT);
174 	  }
175 	EV(pass) = APASS;
176       }
177 
178   if (obusidx < *osize)
179     *osize = obusidx;
180   if (ibusidx < *isize)
181     *isize = ibusidx;
182   return ASYS_DONE;
183 }
184 
185 #endif /* ASYS_ACTIVE_IO */
186 
187 
main(int argc,char * argv[])188 int main(int argc, char *argv[])
189 
190 {
191   system_init(argc, argv, SAOL_SRATE);
192   effects_init(ENGINE_PTR);
193   main_initpass(ENGINE_PTR);
194 
195   EV(kcycleidx) = EV(kbase);
196   EV(acycleidx) = EV(ACYCLE);
197   EV(pass) = IPASS;
198 
199   asys_main();
200   shut_down(ENGINE_PTR);
201   return 0;
202 }
203 
204 
205 
206 
207 
208