| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #include "cr_spu.h"
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| 8 | #include "cr_environment.h"
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| 9 | #include "cr_string.h"
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| 10 | #include "cr_error.h"
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| 11 | #include "cr_mem.h"
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| 12 | #include "cr_server.h"
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| 13 | #include "feedbackspu.h"
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| 14 | #include <fcntl.h>
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| 15 | #ifndef WINDOWS
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| 16 | #include <unistd.h>
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| 17 | #endif
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| 18 |
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| 19 | feedbackSPU feedback_spu;
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| 20 |
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| 21 | static SPUFunctions feedback_functions = {
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| 22 | NULL, /* CHILD COPY */
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| 23 | NULL, /* DATA */
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| 24 | _cr_feedback_table /* THE ACTUAL FUNCTIONS */
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| 25 | };
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| 26 |
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| 27 | static SPUFunctions *feedbackSPUInit( int id, SPU *child, SPU *self,
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| 28 | unsigned int context_id,
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| 29 | unsigned int num_contexts )
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| 30 | {
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| 31 | CRContext *ctx;
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| 32 | (void) context_id;
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| 33 | (void) num_contexts;
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| 34 |
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| 35 | feedback_spu.id = id;
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| 36 | feedback_spu.has_child = 0;
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| 37 | if (child)
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| 38 | {
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| 39 | crSPUInitDispatchTable( &(feedback_spu.child) );
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| 40 | crSPUCopyDispatchTable( &(feedback_spu.child), &(child->dispatch_table) );
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| 41 | feedback_spu.has_child = 1;
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| 42 | }
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| 43 | crSPUInitDispatchTable( &(feedback_spu.super) );
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| 44 | crSPUCopyDispatchTable( &(feedback_spu.super), &(self->superSPU->dispatch_table) );
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| 45 | feedbackspuGatherConfiguration();
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| 46 |
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| 47 | /* create/init default state tracker */
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| 48 | crStateInit();
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| 49 | ctx = crStateGetCurrent();
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| 50 | CRASSERT(ctx);
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| 51 | crStateSetCurrentPointers(ctx, &feedback_spu.current);
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| 52 |
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| 53 | return &feedback_functions;
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| 54 | }
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| 55 |
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| 56 | static void feedbackSPUSelfDispatch(SPUDispatchTable *self)
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| 57 | {
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| 58 | crSPUInitDispatchTable( &(feedback_spu.self) );
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| 59 | crSPUCopyDispatchTable( &(feedback_spu.self), self );
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| 60 | }
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| 61 |
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| 62 | static int feedbackSPUCleanup(void)
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| 63 | {
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| 64 | return 1;
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| 65 | }
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| 66 |
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| 67 | int SPULoad( char **name, char **super, SPUInitFuncPtr *init,
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| 68 | SPUSelfDispatchFuncPtr *self, SPUCleanupFuncPtr *cleanup,
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| 69 | SPUOptionsPtr *options, int *flags )
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| 70 | {
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| 71 | *name = "feedback";
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| 72 | *super = "passthrough";
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| 73 | *init = feedbackSPUInit;
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| 74 | *self = feedbackSPUSelfDispatch;
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| 75 | *cleanup = feedbackSPUCleanup;
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| 76 | *options = feedbackSPUOptions;
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| 77 | *flags = (SPU_NO_PACKER|SPU_NOT_TERMINAL|SPU_MAX_SERVERS_ZERO);
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| 78 |
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| 79 | return 1;
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| 80 | }
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