/* sched-i386.h -- i386 specific support routines for the scheduler
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/* sched-i386.h -- i386 specific support routines for the scheduler
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Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
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Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Sets the cycle counter to a specific value */
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/* Sets the cycle counter to a specific value */
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static void set_sched_cycle(int32_t job_time)
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static void set_sched_cycle(int32_t job_time)
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{
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{
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union {
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union {
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uint64_t val64;
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uint64_t val64;
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union {
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union {
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uint32_t low32;
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uint32_t low32;
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uint32_t high32;
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uint32_t high32;
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} val3232;
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} val3232;
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} time_pc;
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} time_pc;
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asm("movq %%mm0, %0\n"
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asm("movq %%mm0, %0\n"
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"\tmovl %2, %1\n"
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"\tmovl %2, %1\n"
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"\tmovq %3, %%mm0\n"
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"\tmovq %3, %%mm0\n"
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: "=m" (time_pc.val64),
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: "=m" (time_pc.val64),
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"=m" (time_pc.val3232.low32)
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"=m" (time_pc.val3232.low32)
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: "r" (job_time),
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: "r" (job_time),
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"m" (time_pc.val64));
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"m" (time_pc.val64));
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}
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}
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