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+/* $XConsortium: AsmMacros.h /main/13 1996/10/25 11:33:12 kaleb $ */
+/*
+ * (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of David Wexelblat shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from David Wexelblat.
+ *
+ */
+/*
+ * Copyright 1997
+ * Digital Equipment Corporation. All rights reserved.
+ * This software is furnished under license and may be used and copied only in
+ * accordance with the following terms and conditions. Subject to these
+ * conditions, you may download, copy, install, use, modify and distribute
+ * this software in source and/or binary form. No title or ownership is
+ * transferred hereby.
+ *
+ * 1) Any source code used, modified or distributed must reproduce and retain
+ * this copyright notice and list of conditions as they appear in the source
+ * file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of Digital
+ * Equipment Corporation. Neither the "Digital Equipment Corporation" name
+ * nor any trademark or logo of Digital Equipment Corporation may be used
+ * to endorse or promote products derived from this software without the
+ * prior written permission of Digital Equipment Corporation.
+ *
+ * 3) This software is provided "AS-IS" and any express or implied warranties,
+ * including but not limited to, any implied warranties of merchantability,
+ * fitness for a particular purpose, or non-infringement are disclaimed. In
+ * no event shall DIGITAL be liable for any damages whatsoever, and in
+ * particular, DIGITAL shall not be liable for special, indirect,
+ * consequential, or incidental damages or damages for
+ * lost profits, loss of revenue or loss of use, whether such damages arise
+ * in contract,
+ * negligence, tort, under statute, in equity, at law or otherwise, even if
+ * advised of the possibility of such damage.
+ *
+ */
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/AsmMacros.h,v 3.14 1999/09/25 14:36:58 dawes Exp $ */
+
+
+#if defined(__GNUC__)
+
+#if defined(linux) && (defined(__alpha__) || defined(__ia64__))
+
+#include <sys/io.h>
+
+#undef inb
+#undef inw
+#undef inl
+#undef outb
+#undef outw
+#undef outl
+
+static __inline__ unsigned int inb(unsigned long int p) { return _inb(p); };
+static __inline__ unsigned int inw(unsigned long int p) { return _inw(p); };
+static __inline__ unsigned int inl(unsigned long int p) { return _inl(p); };
+static __inline__ void outb(unsigned long int p, unsigned char v) { _outb(v,p); };
+static __inline__ void outw(unsigned long int p, unsigned short v) { _outw(v,p); };
+static __inline__ void outl(unsigned long int p, unsigned int v) { _outl(v,p); };
+
+#else
+
+#if defined(__sparc__)
+#ifndef ASI_PL
+#define ASI_PL 0x88
+#endif
+
+static __inline__ void
+outb(port, val)
+unsigned long port;
+char val;
+{
+ __asm__ __volatile__("stba %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
+}
+
+static __inline__ void
+outw(port, val)
+unsigned long port;
+char val;
+{
+ __asm__ __volatile__("stha %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
+}
+
+static __inline__ void
+outl(port, val)
+unsigned long port;
+char val;
+{
+ __asm__ __volatile__("sta %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
+}
+
+static __inline__ unsigned int
+inb(port)
+unsigned long port;
+{
+ unsigned char ret;
+ __asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
+ return ret;
+}
+
+static __inline__ unsigned int
+inw(port)
+unsigned long port;
+{
+ unsigned char ret;
+ __asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
+ return ret;
+}
+
+static __inline__ unsigned int
+inl(port)
+unsigned long port;
+{
+ unsigned char ret;
+ __asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
+ return ret;
+}
+#else
+#ifdef __arm32__
+unsigned int IOPortBase; /* Memory mapped I/O port area */
+
+static __inline__ void
+outb(port, val)
+ short port;
+ char val;
+{
+ if ((unsigned short)port >= 0x400) return;
+
+ *(volatile unsigned char*)(((unsigned short)(port))+IOPortBase) = val;
+}
+
+static __inline__ void
+outw(port, val)
+ short port;
+ short val;
+{
+ if ((unsigned short)port >= 0x400) return;
+
+ *(volatile unsigned short*)(((unsigned short)(port))+IOPortBase) = val;
+}
+
+static __inline__ void
+outl(port, val)
+ short port;
+ int val;
+{
+ if ((unsigned short)port >= 0x400) return;
+
+ *(volatile unsigned long*)(((unsigned short)(port))+IOPortBase) = val;
+}
+
+static __inline__ unsigned int
+inb(port)
+ short port;
+{
+ if ((unsigned short)port >= 0x400) return((unsigned int)-1);
+
+ return(*(volatile unsigned char*)(((unsigned short)(port))+IOPortBase));
+}
+
+static __inline__ unsigned int
+inw(port)
+ short port;
+{
+ if ((unsigned short)port >= 0x400) return((unsigned int)-1);
+
+ return(*(volatile unsigned short*)(((unsigned short)(port))+IOPortBase));
+}
+
+static __inline__ unsigned int
+inl(port)
+ short port;
+{
+ if ((unsigned short)port >= 0x400) return((unsigned int)-1);
+
+ return(*(volatile unsigned long*)(((unsigned short)(port))+IOPortBase));
+}
+#else /* __arm32__ */
+#if defined(Lynx) && defined(__powerpc__)
+extern unsigned char *ioBase;
+
+static volatile void
+eieio()
+{
+ __asm__ __volatile__ ("eieio");
+}
+
+static void
+outb(port, value)
+short port;
+unsigned char value;
+{
+ *(uchar *)(ioBase + port) = value; eieio();
+}
+
+static void
+outw(port, value)
+short port;
+unsigned short value;
+{
+ *(unsigned short *)(ioBase + port) = value; eieio();
+}
+
+static void
+outl(port, value)
+short port;
+unsigned long value;
+{
+ *(unsigned long *)(ioBase + port) = value; eieio();
+}
+
+static unsigned char
+inb(port)
+short port;
+{
+ unsigned char val;
+
+ val = *((unsigned char *)(ioBase + port)); eieio();
+ return(val);
+}
+
+static unsigned short
+inw(port)
+short port;
+{
+ unsigned short val;
+
+ val = *((unsigned short *)(ioBase + port)); eieio();
+ return(val);
+}
+
+static unsigned long
+inl(port)
+short port;
+{
+ unsigned long val;
+
+ val = *((unsigned long *)(ioBase + port)); eieio();
+ return(val);
+}
+
+#else
+#if defined(__FreeBSD__) && defined(__alpha__)
+
+#include <sys/types.h>
+
+extern void outb(u_int32_t port, u_int8_t val);
+extern void outw(u_int32_t port, u_int16_t val);
+extern void outl(u_int32_t port, u_int32_t val);
+extern u_int8_t inb(u_int32_t port);
+extern u_int16_t inw(u_int32_t port);
+extern u_int32_t inl(u_int32_t port);
+
+#else
+#ifdef GCCUSESGAS
+static __inline__ void
+outb(port, val)
+short port;
+char val;
+{
+ __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ void
+outw(port, val)
+short port;
+short val;
+{
+ __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ void
+outl(port, val)
+short port;
+unsigned int val;
+{
+ __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
+}
+
+static __inline__ unsigned int
+inb(port)
+short port;
+{
+ unsigned char ret;
+ __asm__ __volatile__("inb %1,%0" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+static __inline__ unsigned int
+inw(port)
+short port;
+{
+ unsigned short ret;
+ __asm__ __volatile__("inw %1,%0" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+static __inline__ unsigned int
+inl(port)
+short port;
+{
+ unsigned int ret;
+ __asm__ __volatile__("inl %1,%0" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+#else /* GCCUSESGAS */
+
+static __inline__ void
+outb(port, val)
+ short port;
+ char val;
+{
+ __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
+}
+
+static __inline__ void
+outw(port, val)
+ short port;
+ short val;
+{
+ __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
+}
+
+static __inline__ void
+outl(port, val)
+ short port;
+ unsigned int val;
+{
+ __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
+}
+
+static __inline__ unsigned int
+inb(port)
+ short port;
+{
+ unsigned int ret;
+ __asm__ __volatile__("in%B0 (%1)" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+static __inline__ unsigned int
+inw(port)
+ short port;
+{
+ unsigned int ret;
+ __asm__ __volatile__("in%W0 (%1)" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+static __inline__ unsigned int
+inl(port)
+ short port;
+{
+ unsigned int ret;
+ __asm__ __volatile__("in%L0 (%1)" :
+ "=a" (ret) :
+ "d" (port));
+ return ret;
+}
+
+#endif /* GCCUSESGAS */
+#endif /* Lynx && __powerpc__ */
+#endif /* arm32 */
+#endif /* linux && __sparc__ */
+#endif /* linux && __alpha__ */
+#endif /* __FreeBSD__ && __alpha__ */
+
+#if defined(linux) || defined(__arm32__) || (defined(Lynx) && defined(__powerpc__))
+
+#define intr_disable()
+#define intr_enable()
+
+#else
+
+static __inline__ void
+intr_disable()
+{
+ __asm__ __volatile__("cli");
+}
+
+static __inline__ void
+intr_enable()
+{
+ __asm__ __volatile__("sti");
+}
+
+#endif /* else !linux && !__arm32__ */
+
+#else /* __GNUC__ */
+
+#if defined(_MINIX) && defined(_ACK)
+
+/* inb, outb, inw and outw are defined in the library */
+/* ... but I've no idea if the same is true for inl & outl */
+
+u8_t inb(U16_t);
+void outb(U16_t, U8_t);
+u16_t inw(U16_t);
+void outw(U16_t, U16_t);
+u32_t inl(U16_t);
+void outl(U16_t, U32_t);
+
+#else /* not _MINIX and _ACK */
+
+# if defined(__STDC__) && (__STDC__ == 1)
+# ifndef NCR
+# define asm __asm
+# endif
+# endif
+# ifdef SVR4
+# include <sys/types.h>
+# ifndef __USLC__
+# define __USLC__
+# endif
+# endif
+#ifndef SCO325
+# include <sys/inline.h>
+#else
+# include "../common/scoasm.h"
+#endif
+#define intr_disable() asm("cli")
+#define intr_enable() asm("sti")
+
+#endif /* _MINIX and _ACK */
+#endif /* __GNUC__ */