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Diffstat (limited to 'gcell/src/include/gc_spu_args.h')
-rw-r--r-- | gcell/src/include/gc_spu_args.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gcell/src/include/gc_spu_args.h b/gcell/src/include/gc_spu_args.h new file mode 100644 index 000000000..f5a21227c --- /dev/null +++ b/gcell/src/include/gc_spu_args.h @@ -0,0 +1,60 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef INCLUDED_GC_SPU_ARGS_H +#define INCLUDED_GC_SPU_ARGS_H + +#include <gc_types.h> +#include <gc_logging.h> + +// args passed to SPE at initialization time + +typedef struct gc_spu_args { + gc_eaddr_t queue; // address of job queue (gc_jd_queue_t *) + gc_eaddr_t comp_info[2]; // completion info (gc_comp_info_t *) + uint32_t spu_idx; // which spu we are: [0,nspus-1] + uint32_t nspus; // number of spus we're using + uint32_t proc_def_ls_addr; // LS addr of proc_def table + uint32_t nproc_defs; // number of proc_defs in table + gc_log_t log; // logging info +} _AL16 gc_spu_args_t; + + +#define GC_CI_NJOBS 62 // makes gc_comp_info 1 cache line long + +/*! + * \brief Used to return info to PPE on which jobs are completed. + * + * When each SPE is initalized, it is passed EA pointers to two of + * these structures. The SPE uses these to communicate which jobs + * that it has worked on are complete. The SPE notifies the PPE by + * sending an OP_JOBS_DONE message (see gc_mbox.h) with an argument of + * 0 or 1, indicating which of the two comp_info's to examine. The + * SPE sets the in_use flag to 1 before DMA'ing to the PPE. When the + * PPE is done with the structure, it must clear the in_use field to + * let the SPE know it can begin using it again. + */ +typedef struct gc_comp_info { + uint16_t in_use; // set by SPE, cleared by PPE when it's finished + uint16_t ncomplete; // number of valid job_id's + uint16_t job_id[GC_CI_NJOBS]; // job_id's of completed jobs +} _AL128 gc_comp_info_t; + +#endif /* INCLUDED_GC_SPU_ARGS_H */ |