diff packages/hal/i386/pc/current/include/plf_misc.h @ 76:435cced73e2f ecos-v1_3_1-release

eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children ac086aa3217e
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+++ b/packages/hal/i386/pc/current/include/plf_misc.h
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+//==========================================================================
+//
+//      plf_misc.h
+//
+//      HAL platform miscellaneous functions
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    nickg
+// Contributors: nickg, jlarmour, pjo
+// Date:         1999-01-21
+// Purpose:      HAL miscellaneous functions
+// Description:  This file contains miscellaneous functions provided by the
+//               HAL.
+//
+//####DESCRIPTIONEND####
+//
+//========================================================================*/
+
+#include <pkgconf/hal.h>
+
+#include <cyg/infra/cyg_type.h>         // Base types
+#include <cyg/infra/cyg_trac.h>         // tracing macros
+#include <cyg/infra/cyg_ass.h>          // assertion macros
+
+#include <cyg/hal/hal_arch.h>           // architectural definitions
+
+#include <cyg/hal/hal_intr.h>           // Interrupt handling
+
+#include <cyg/hal/hal_cache.h>          // Cache handling
+
+/*------------------------------------------------------------------------*/
+
+extern void patch_dbg_syscalls(void * vector);
+
+/*------------------------------------------------------------------------*/
+
+void hal_platform_init(void) ;
+
+#if 0
+static __inline__ int pc_outb(int port, int value)
+{
+	asm("
+		movl %0, %%eax
+		movl %1, %%edx
+		outb %%al, %%dx
+		"
+	:	/* No outputs. */
+	:	"g" (value), "g" (port)
+	:	"eax", "edx"
+	);
+
+	return value ;
+}
+
+
+static __inline__ int pc_inb(int port)
+{	int r ;
+
+	asm("
+		movl %1, %%edx
+		inb %%dx, %%al
+		cbtw
+		cwtl
+		movl %%eax, %0
+		"
+	:	"=g" (r)
+	:	"g" (port)
+	:	"eax", "edx"
+	);
+
+	return r ;
+}
+
+
+static __inline__ int pc_outw(int port, int value)
+{
+	asm("
+		movl %0, %%eax
+		movl %1, %%edx
+		outw %%ax, %%dx
+		"
+	:	/* No outputs. */
+	:	"g" (value), "g" (port)
+	:	"eax", "edx"
+	);
+
+	return value ;
+}
+
+
+static __inline__ int pc_inw(int port)
+{	int r ;
+
+	asm("
+		movl %1, %%edx
+		inw %%dx, %%ax
+		cwtl
+		movl %%eax, %0
+		"
+	:	"=g" (r)
+	:	"g" (port)
+	:	"eax", "edx"
+	);
+
+	return r ;
+}
+
+#else
+
+int pc_outb(int port, int value) ;
+int pc_inb(int port) ;
+int pc_outw(int port, int value) ;
+int pc_inw(int port) ;
+
+#endif
+
+
+void hal_pc_reset(void) ;
+
+
+/*------------------------------------------------------------------------*/
+/* End of plf_misc.h                                                      */