86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
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/*-
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* Copyright (c) 2014 SRI International
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* All rights reserved.
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249)
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* ("MRC2"), as part of the DARPA MRC research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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static inline int
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beri_get_core(void)
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{
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uint32_t cinfo;
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cinfo = mips_rd_cinfo();
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return (cinfo & 0xffff);
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}
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static inline int
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beri_get_ncores(void)
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{
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uint32_t cinfo;
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cinfo = mips_rd_cinfo();
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return ((cinfo >> 16) + 1);
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}
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static inline int
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beri_get_thread(void)
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{
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uint32_t tinfo;
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tinfo = mips_rd_tinfo();
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return (tinfo & 0xffff);
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}
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static inline int
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beri_get_nthreads(void)
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{
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uint32_t tinfo;
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tinfo = mips_rd_tinfo();
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return ((tinfo >> 16) + 1);
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}
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static inline int
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beri_get_cpu(void)
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{
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return ((beri_get_core() * beri_get_nthreads()) + beri_get_thread());
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}
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static inline int
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beri_get_ncpus(void)
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{
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return(beri_get_ncores() * beri_get_nthreads());
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}
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void beripic_setup_ipi(device_t dev, u_int tid, u_int ipi_irq);
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void beripic_send_ipi(device_t dev, u_int tid);
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void beripic_clear_ipi(device_t dev, u_int tid);
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