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Diffstat (limited to 'StdLib/Include/Ipf/machine/_regset.h')
| -rw-r--r-- | StdLib/Include/Ipf/machine/_regset.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/StdLib/Include/Ipf/machine/_regset.h b/StdLib/Include/Ipf/machine/_regset.h new file mode 100644 index 0000000000..82e4b91070 --- /dev/null +++ b/StdLib/Include/Ipf/machine/_regset.h @@ -0,0 +1,277 @@ +/* $NetBSD: _regset.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */
+
+/*-
+ * Copyright (c) 2002, 2003 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_REGSET_H_
+#define _MACHINE_REGSET_H_
+
+/*
+ * Create register sets, based on the runtime specification. This allows
+ * us to better reuse code and to copy sets around more efficiently.
+ * Contexts are defined in terms of these sets. These include trapframe,
+ * sigframe, pcb, mcontext, reg and fpreg. Other candidates are unwind
+ * and coredump related contexts.
+ *
+ * Notes:
+ * o Constant registers (r0, f0 and f1) are not accounted for,
+ * o The stacked registers (r32-r127) are not accounted for,
+ * o Predicates are not split across sets.
+ */
+
+/* A single FP register. */
+union _ia64_fpreg {
+ unsigned char fpr_bits[16];
+ long double fpr_flt;
+};
+
+/*
+ * Special registers.
+ */
+struct _special {
+ unsigned long sp;
+ unsigned long unat; /* NaT before spilling */
+ unsigned long rp;
+ unsigned long pr;
+ unsigned long pfs;
+ unsigned long bspstore;
+ unsigned long rnat;
+ unsigned long __spare;
+ /* Userland context and syscalls */
+ unsigned long tp;
+ unsigned long rsc;
+ unsigned long fpsr;
+ unsigned long psr;
+ /* ASYNC: Interrupt specific */
+ unsigned long gp;
+ unsigned long ndirty;
+ unsigned long cfm;
+ unsigned long iip;
+ unsigned long ifa;
+ unsigned long isr;
+};
+
+struct _high_fp {
+ union _ia64_fpreg fr32;
+ union _ia64_fpreg fr33;
+ union _ia64_fpreg fr34;
+ union _ia64_fpreg fr35;
+ union _ia64_fpreg fr36;
+ union _ia64_fpreg fr37;
+ union _ia64_fpreg fr38;
+ union _ia64_fpreg fr39;
+ union _ia64_fpreg fr40;
+ union _ia64_fpreg fr41;
+ union _ia64_fpreg fr42;
+ union _ia64_fpreg fr43;
+ union _ia64_fpreg fr44;
+ union _ia64_fpreg fr45;
+ union _ia64_fpreg fr46;
+ union _ia64_fpreg fr47;
+ union _ia64_fpreg fr48;
+ union _ia64_fpreg fr49;
+ union _ia64_fpreg fr50;
+ union _ia64_fpreg fr51;
+ union _ia64_fpreg fr52;
+ union _ia64_fpreg fr53;
+ union _ia64_fpreg fr54;
+ union _ia64_fpreg fr55;
+ union _ia64_fpreg fr56;
+ union _ia64_fpreg fr57;
+ union _ia64_fpreg fr58;
+ union _ia64_fpreg fr59;
+ union _ia64_fpreg fr60;
+ union _ia64_fpreg fr61;
+ union _ia64_fpreg fr62;
+ union _ia64_fpreg fr63;
+ union _ia64_fpreg fr64;
+ union _ia64_fpreg fr65;
+ union _ia64_fpreg fr66;
+ union _ia64_fpreg fr67;
+ union _ia64_fpreg fr68;
+ union _ia64_fpreg fr69;
+ union _ia64_fpreg fr70;
+ union _ia64_fpreg fr71;
+ union _ia64_fpreg fr72;
+ union _ia64_fpreg fr73;
+ union _ia64_fpreg fr74;
+ union _ia64_fpreg fr75;
+ union _ia64_fpreg fr76;
+ union _ia64_fpreg fr77;
+ union _ia64_fpreg fr78;
+ union _ia64_fpreg fr79;
+ union _ia64_fpreg fr80;
+ union _ia64_fpreg fr81;
+ union _ia64_fpreg fr82;
+ union _ia64_fpreg fr83;
+ union _ia64_fpreg fr84;
+ union _ia64_fpreg fr85;
+ union _ia64_fpreg fr86;
+ union _ia64_fpreg fr87;
+ union _ia64_fpreg fr88;
+ union _ia64_fpreg fr89;
+ union _ia64_fpreg fr90;
+ union _ia64_fpreg fr91;
+ union _ia64_fpreg fr92;
+ union _ia64_fpreg fr93;
+ union _ia64_fpreg fr94;
+ union _ia64_fpreg fr95;
+ union _ia64_fpreg fr96;
+ union _ia64_fpreg fr97;
+ union _ia64_fpreg fr98;
+ union _ia64_fpreg fr99;
+ union _ia64_fpreg fr100;
+ union _ia64_fpreg fr101;
+ union _ia64_fpreg fr102;
+ union _ia64_fpreg fr103;
+ union _ia64_fpreg fr104;
+ union _ia64_fpreg fr105;
+ union _ia64_fpreg fr106;
+ union _ia64_fpreg fr107;
+ union _ia64_fpreg fr108;
+ union _ia64_fpreg fr109;
+ union _ia64_fpreg fr110;
+ union _ia64_fpreg fr111;
+ union _ia64_fpreg fr112;
+ union _ia64_fpreg fr113;
+ union _ia64_fpreg fr114;
+ union _ia64_fpreg fr115;
+ union _ia64_fpreg fr116;
+ union _ia64_fpreg fr117;
+ union _ia64_fpreg fr118;
+ union _ia64_fpreg fr119;
+ union _ia64_fpreg fr120;
+ union _ia64_fpreg fr121;
+ union _ia64_fpreg fr122;
+ union _ia64_fpreg fr123;
+ union _ia64_fpreg fr124;
+ union _ia64_fpreg fr125;
+ union _ia64_fpreg fr126;
+ union _ia64_fpreg fr127;
+};
+
+/*
+ * Preserved registers.
+ */
+struct _callee_saved {
+ unsigned long unat; /* NaT after spilling. */
+ unsigned long gr4;
+ unsigned long gr5;
+ unsigned long gr6;
+ unsigned long gr7;
+ unsigned long br1;
+ unsigned long br2;
+ unsigned long br3;
+ unsigned long br4;
+ unsigned long br5;
+ unsigned long lc;
+ unsigned long __spare;
+};
+
+struct _callee_saved_fp {
+ union _ia64_fpreg fr2;
+ union _ia64_fpreg fr3;
+ union _ia64_fpreg fr4;
+ union _ia64_fpreg fr5;
+ union _ia64_fpreg fr16;
+ union _ia64_fpreg fr17;
+ union _ia64_fpreg fr18;
+ union _ia64_fpreg fr19;
+ union _ia64_fpreg fr20;
+ union _ia64_fpreg fr21;
+ union _ia64_fpreg fr22;
+ union _ia64_fpreg fr23;
+ union _ia64_fpreg fr24;
+ union _ia64_fpreg fr25;
+ union _ia64_fpreg fr26;
+ union _ia64_fpreg fr27;
+ union _ia64_fpreg fr28;
+ union _ia64_fpreg fr29;
+ union _ia64_fpreg fr30;
+ union _ia64_fpreg fr31;
+};
+
+/*
+ * Scratch registers.
+ */
+struct _caller_saved {
+ unsigned long unat; /* NaT after spilling. */
+ unsigned long gr2;
+ unsigned long gr3;
+ unsigned long gr8;
+ unsigned long gr9;
+ unsigned long gr10;
+ unsigned long gr11;
+ unsigned long gr14;
+ unsigned long gr15;
+ unsigned long gr16;
+ unsigned long gr17;
+ unsigned long gr18;
+ unsigned long gr19;
+ unsigned long gr20;
+ unsigned long gr21;
+ unsigned long gr22;
+ unsigned long gr23;
+ unsigned long gr24;
+ unsigned long gr25;
+ unsigned long gr26;
+ unsigned long gr27;
+ unsigned long gr28;
+ unsigned long gr29;
+ unsigned long gr30;
+ unsigned long gr31;
+ unsigned long br6;
+ unsigned long br7;
+ unsigned long ccv;
+ unsigned long csd;
+ unsigned long ssd;
+};
+
+struct _caller_saved_fp {
+ union _ia64_fpreg fr6;
+ union _ia64_fpreg fr7;
+ union _ia64_fpreg fr8;
+ union _ia64_fpreg fr9;
+ union _ia64_fpreg fr10;
+ union _ia64_fpreg fr11;
+ union _ia64_fpreg fr12;
+ union _ia64_fpreg fr13;
+ union _ia64_fpreg fr14;
+ union _ia64_fpreg fr15;
+};
+
+#ifdef _KERNEL
+void restore_callee_saved(const struct _callee_saved *);
+void restore_callee_saved_fp(const struct _callee_saved_fp *);
+void restore_high_fp(const struct _high_fp *);
+void save_callee_saved(struct _callee_saved *);
+void save_callee_saved_fp(struct _callee_saved_fp *);
+void save_high_fp(struct _high_fp *);
+#endif
+
+#endif /* _MACHINE_REGSET_H_ */
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