source: trunk/kernel/devices/dev_pic.c @ 483

Last change on this file since 483 was 483, checked in by viala@…, 3 years ago

[devices] Add void type to function prototypes with no parameter

File size: 7.7 KB
Line 
1/*
2 * dev_pic.c - PIC (External Interrupt Controler) generic device API implementation.
3 *
4 * Authors   Alain Greiner  (2016,2017,2018)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
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 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
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
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#include <hal_kernel_types.h>
25#include <hal_special.h>
26#include <chdev.h>
27#include <printk.h>
28#include <string.h>
29#include <thread.h>
30#include <hal_drivers.h>
31#include <dev_pic.h>
32#include <cluster.h>
33
34/////////////////////////////////////////////////////////////////////////////////////////
35// Extern global variables
36/////////////////////////////////////////////////////////////////////////////////////////
37
38extern chdev_directory_t  chdev_dir;         // allocated in kernel_init.c
39extern iopic_input_t      iopic_input;       // allocated in kernel_init.c
40
41///////////////////////////////////
42void dev_pic_init( chdev_t  * pic )
43{
44    // get implementation
45    uint32_t impl = pic->impl;
46
47    // set chdev name
48    strcpy( pic->name , "pic" );
49
50    // call the implementation-specific PIC driver
51    hal_drivers_pic_init(pic, impl);
52}
53
54/////////////////////////////////////////////////
55void dev_pic_extend_init( uint32_t * lapic_base )
56{
57    // get pointer on PIC chdev
58    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
59    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
60
61    // get pointer on extend_init function
62    extend_init_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.extend_init ) ); 
63
64    // call relevant driver function
65    f( lapic_base );
66}
67
68/////////////////////////////////////
69void dev_pic_bind_irq( lid_t     lid,
70                       chdev_t * src_chdev )
71{
72    // get pointer on PIC chdev
73    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
74    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
75
76    // get pointer on bind_irq function
77    bind_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.bind_irq ) );
78
79    // call relevant driver function
80    f( lid , src_chdev );
81}
82
83/////////////////////////////////////
84void dev_pic_enable_irq( lid_t   lid,
85                         xptr_t  src_chdev_xp )
86{
87
88#if DEBUG_DEV_PIC
89uint32_t cycle = (uint32_t)hal_get_cycles();
90if( DEBUG_DEV_PIC < cycle )
91printk("\n[DBG] %s : core[%x,%d] / src_chdev_cxy %x / src_chdev_ptr %x / cycle %d\n",
92__FUNCTION__, local_cxy, lid, GET_CXY(src_chdev_xp), GET_PTR(src_chdev_xp), cycle );
93#endif
94
95    // get pointer on PIC chdev
96    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
97    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
98
99    // get pointer on enable_irq function
100    enable_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.enable_irq ) );
101
102    // call relevant driver function
103    f( lid , src_chdev_xp );
104}
105
106//////////////////////////////////////
107void dev_pic_disable_irq( lid_t   lid,
108                          xptr_t  src_chdev_xp )
109{
110
111#if DEBUG_DEV_PIC
112uint32_t cycle = (uint32_t)hal_get_cycles();
113if( DEBUG_DEV_PIC < cycle )
114printk("\n[DBG] %s : core[%x,%d] / src_chdev_cxy %x / src_chdev_ptr %x / cycle %d\n",
115__FUNCTION__, local_cxy, lid, GET_CXY(src_chdev_xp), GET_PTR(src_chdev_xp), cycle );
116#endif
117
118    // get pointer on PIC chdev
119    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
120    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
121
122    // get pointer on disable_irq function
123    disable_irq_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.disable_irq ) );
124
125    // call relevant driver function
126    f( lid , src_chdev_xp );
127}
128
129////////////////////////////////////////////
130void dev_pic_enable_timer( uint32_t period )
131{
132
133#if DEBUG_DEV_PIC
134uint32_t cycle = (uint32_t)hal_get_cycles();
135if( DEBUG_DEV_PIC < cycle )
136printk("\n[DBG] %s : core[%x,%d] / period %d / cycle %d\n",
137__FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , period, cycle );
138#endif
139
140    // get pointer on PIC chdev
141    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
142    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
143
144    // get pointer on enable_timer function
145    enable_timer_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.enable_timer ) );
146
147    // call relevant driver function
148    f( period );
149}
150
151/////////////////////////
152void dev_pic_enable_ipi( void )
153{
154
155#if DEBUG_DEV_PIC
156uint32_t cycle = (uint32_t)hal_get_cycles();
157if( DEBUG_DEV_PIC < cycle )
158printk("\n[DBG] %s : core[%x,%d] / cycle %d\n",
159__FUNCTION__ , local_cxy , CURRENT_THREAD->core->lid , cycle );
160#endif
161
162    // get pointer on PIC chdev
163    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
164    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
165
166    // get pointer on enable_timer function
167    enable_ipi_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.enable_ipi ) );
168
169    // call relevant driver function
170    f();
171}
172
173//////////////////////////////////
174void dev_pic_send_ipi( cxy_t  cxy,
175                       lid_t  lid )
176{
177
178#if DEBUG_DEV_PIC
179uint32_t cycle = (uint32_t)hal_get_cycles();
180if( DEBUG_DEV_PIC < cycle )
181printk("\n[DBG] %s : thread %x in process %x / tgt_core[%x,%d] / cycle %d\n",
182__FUNCTION__, CURRENT_THREAD->trdid, CURRENT_THREAD->process->pid, cxy, lid, cycle );
183#endif
184
185    // get pointer on PIC chdev
186    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
187    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
188
189    // get pointer on send_ipi function
190    send_ipi_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.send_ipi ) );
191
192    // call relevant driver function
193    f( cxy , lid );
194}
195
196//////////////////////
197void dev_pic_ack_ipi( void )
198{
199
200#if DEBUG_DEV_PIC
201uint32_t cycle = (uint32_t)hal_get_cycles();
202if( DEBUG_DEV_PIC < cycle )
203printk("\n[DBG] %s : core[%x,%d] / cycle %d\n",
204__FUNCTION__, local_cxy, CURRENT_THREAD->core->lid, cycle );
205#endif
206
207    // get pointer on PIC chdev
208    chdev_t * pic_ptr = (chdev_t *)GET_PTR( chdev_dir.pic );
209    cxy_t     pic_cxy = GET_CXY( chdev_dir.pic );
210
211    // get pointer on ack_ipi function
212    ack_ipi_t * f = hal_remote_lpt( XPTR( pic_cxy , &pic_ptr->ext.pic.ack_ipi ) );
213
214    // call relevant driver function
215    f();
216}
217
218/////////////////////////////
219void dev_pic_inputs_display( void )
220{
221    uint32_t k;
222    uint32_t save_sr;
223
224    // get pointers on TXT0 chdev
225    xptr_t    txt0_xp  = chdev_dir.txt_tx[0];
226    cxy_t     txt0_cxy = GET_CXY( txt0_xp );
227    chdev_t * txt0_ptr = GET_PTR( txt0_xp );
228
229    // get extended pointer on remote TXT0 chdev lock
230    xptr_t  lock_xp = XPTR( txt0_cxy , &txt0_ptr->wait_lock );
231
232    // get TXT0 lock in busy waiting mode
233    remote_spinlock_lock_busy( lock_xp , &save_sr );
234
235    nolock_printk("\n***** iopic_inputs\n");
236
237    for( k = 0 ; k < CONFIG_MAX_IOC_CHANNELS ; k++ )
238    {
239        nolock_printk(" - IOC[%d]    hwi_id = %d\n", k , iopic_input.ioc[k] );
240    }
241
242    for( k = 0 ; k < CONFIG_MAX_TXT_CHANNELS ; k++ )
243    {
244        nolock_printk(" - TXT_TX[%d] hwi_id = %d\n", k , iopic_input.txt_tx[k] );
245        nolock_printk(" - TXT_RX[%d] hwi_id = %d\n", k , iopic_input.txt_rx[k] );
246    }
247
248    for( k = 0 ; k < CONFIG_MAX_NIC_CHANNELS ; k++ )
249    {
250        nolock_printk(" - NIC_TX[%d] hwi_id = %d\n", k , iopic_input.nic_tx[k] );
251        nolock_printk(" - NIC_RX[%d] hwi_id = %d\n", k , iopic_input.nic_rx[k] );
252    }
253
254    // release TXT0 lock
255    remote_spinlock_unlock_busy( lock_xp , save_sr );
256}
257
258
Note: See TracBrowser for help on using the repository browser.