source: trunk/kernel/devices/dev_pic.c @ 259

Last change on this file since 259 was 252, checked in by max@…, 7 years ago

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[1]1/*
2 * dev_pic.c - PIC (External Interrupt Controler) generic device API implementation.
3 *
4 * Authors   Alain Greiner  (2016)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
[201]10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
[1]11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
[201]14 * ALMOS-MKH is distributed in the hope that it will be useful, but
[1]15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTPICLAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
[201]20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
[1]21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#include <hal_types.h>
25#include <hal_special.h>
[3]26#include <chdev.h>
[1]27#include <printk.h>
[206]28#include <hal_drivers.h>
[1]29#include <dev_pic.h>
[188]30#include <cluster.h>
[1]31
32/////////////////////////////////////////////////////////////////////////////////////////
33// Extern global variables
34/////////////////////////////////////////////////////////////////////////////////////////
35
[3]36extern chdev_directory_t  chdev_dir;         // allocated in kernel_init.c
[1]37
38///////////////////////////////////
[188]39void dev_pic_init( chdev_t  * pic )
[1]40{
[201]41    // get implementation
[188]42    uint32_t impl = pic->impl;
[1]43
[23]44    // set chdev name
[188]45    strcpy( pic->name , "pic" );
46
[252]47    // call the implementation-specific PIC driver
48    hal_drivers_pic_init(pic, impl);
49}
[1]50
[188]51/////////////////////////////////////////////////
52void dev_pic_extend_init( uint32_t * lapic_base )
[1]53{
[188]54    // get pointer on PIC chdev
[200]55    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
56    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]57
[200]58    // get pointer on extend_init function
[205]59    extend_init_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.extend_init ) ); 
[200]60
[188]61    // call relevant driver function
[200]62    f( lapic_base );
[188]63}
[1]64
[188]65/////////////////////////////////////
66void dev_pic_bind_irq( lid_t     lid,
67                       chdev_t * src_chdev )
68{
69    // get pointer on PIC chdev
[201]70    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
71    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]72
[201]73    // get pointer on bind_irq function
[205]74    bind_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.bind_irq ) );
[201]75
[188]76    // call relevant driver function
[201]77    f( lid , src_chdev );
78}
[1]79
[205]80/////////////////////////////////////
81void dev_pic_enable_irq( lid_t   lid,
82                         xptr_t  src_chdev_xp )
[188]83{
84    // get pointer on PIC chdev
[201]85    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
86    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]87
[201]88    // get pointer on enable_irq function
[205]89    enable_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.enable_irq ) );
[201]90
[188]91    // call relevant driver function
[205]92    f( lid , src_chdev_xp );
[188]93}
94
[205]95//////////////////////////////////////
96void dev_pic_disable_irq( lid_t   lid,
97                          xptr_t  src_chdev_xp )
[1]98{
[188]99    // get pointer on PIC chdev
[201]100    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
101    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]102
[201]103    // get pointer on disable_irq function
[205]104    disable_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.disable_irq ) );
[201]105
[188]106    // call relevant driver function
[205]107    f( lid , src_chdev_xp );
[188]108}
[1]109
[188]110////////////////////////////////////////////
111void dev_pic_enable_timer( uint32_t period )
112{
113    // get pointer on PIC chdev
[201]114    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
115    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]116
[201]117    // get pointer on enable_timer function
[205]118    enable_timer_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.enable_timer ) );
[201]119
[188]120    // call relevant driver function
[201]121    f( period );
[188]122}
[1]123
[188]124//////////////////////////////////
125void dev_pic_send_ipi( cxy_t  cxy,
126                       lid_t  lid )
127{
128    // get pointer on PIC chdev
[201]129    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
130    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
[1]131
[201]132    // get pointer on send_ipi function
[205]133    send_ipi_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.send_ipi ) );
[201]134
[188]135    // call relevant driver function
[201]136    f( cxy , lid );
[188]137}
138
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