5ec3344e22
not work on any real hardware (or fully work on any simulator). Much more needs to happen before this is actually functional but its nice to see the FreeBSD copyright message appear in the ia64 simulator.
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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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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#ifndef _MACHINE_FPU_H_
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#define _MACHINE_FPU_H_
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/*
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* Floating point status register bits.
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*/
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#define IA64_FPSR_TRAP_VD 0x0000000000000001L
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#define IA64_FPSR_TRAP_DD 0x0000000000000002L
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#define IA64_FPSR_TRAP_ZD 0x0000000000000004L
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#define IA64_FPSR_TRAP_OD 0x0000000000000008L
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#define IA64_FPSR_TRAP_UD 0x0000000000000010L
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#define IA64_FPSR_TRAP_ID 0x0000000000000020L
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#define IA64_FPSR_SF(i,v) ((v) << ((i)*13+6))
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#define IA64_SF_FTZ 0x0001L
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#define IA64_SF_WRE 0x0002L
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#define IA64_SF_PC 0x000cL
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#define IA64_SF_PC_0 0x0000L
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#define IA64_SF_PC_1 0x0004L
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#define IA64_SF_PC_2 0x0008L
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#define IA64_SF_PC_3 0x000cL
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#define IA64_SF_RC 0x0030L
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#define IA64_SF_RC_NEAREST 0x0000L
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#define IA64_SF_RC_NEGINF 0x0010L
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#define IA64_SF_RC_POSINF 0x0020L
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#define IA64_SF_RC_TRUNC 0x0030L
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#define IA64_SF_TD 0x0040L
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#define IA64_SF_V 0x0080L
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#define IA64_SF_D 0x0100L
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#define IA64_SF_Z 0x0200L
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#define IA64_SF_O 0x0400L
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#define IA64_SF_U 0x0800L
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#define IA64_SF_I 0x1000L
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#define IA64_SF_DEFAULT (IA64_SF_PC_3 | IA64_SF_RC_NEAREST)
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#define IA64_FPSR_DEFAULT (IA64_FPSR_TRAP_VD \
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| IA64_FPSR_TRAP_DD \
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| IA64_FPSR_TRAP_ZD \
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| IA64_FPSR_TRAP_OD \
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| IA64_FPSR_TRAP_UD \
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| IA64_FPSR_TRAP_ID \
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| IA64_FPSR_SF(0, IA64_SF_DEFAULT) \
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| IA64_FPSR_SF(1, (IA64_SF_DEFAULT \
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| IA64_SF_TD \
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| IA64_SF_WRE)) \
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| IA64_FPSR_SF(2, (IA64_SF_DEFAULT \
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| IA64_SF_TD)) \
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| IA64_FPSR_SF(3, (IA64_SF_DEFAULT \
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| IA64_SF_TD)))
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#endif /* ! _MACHINE_FPU_H_ */
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