Mercurial > ecos
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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new file mode 100644 --- /dev/null +++ b/packages/hal/i386/pc/current/include/plf_misc.h @@ -0,0 +1,148 @@ +//========================================================================== +// +// 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 */
