Move kernel tick initialization and handling to the target tree for ones remaining in kernel.c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18919 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis
parent
3bfc51d894
commit
48544f070b
6 changed files with 237 additions and 144 deletions
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@ -267,6 +267,7 @@ drivers/i2c.c
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target/sh/adc-sh.c
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target/sh/bitswap.S
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target/sh/crt0.S
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target/sh/kernel-sh.c
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target/sh/memcpy-sh.S
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target/sh/memmove-sh.S
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target/sh/memset-sh.S
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@ -291,6 +292,7 @@ target/coldfire/strlen-coldfire.S
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|| defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_PIXELFORMAT == VERTICAL_INTERLEAVED)
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target/coldfire/memset16-coldfire.S
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#endif
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target/coldfire/kernel-coldfire.c
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target/coldfire/system-coldfire.c
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#ifndef BOOTLOADER
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target/coldfire/pcm-coldfire.c
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@ -322,6 +324,7 @@ target/arm/i2c-telechips.c
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#endif
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#if CONFIG_CPU == PNX0101
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target/arm/pnx0101/kernel-pnx0101.c
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target/arm/pnx0101/system-pnx0101.c
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#endif
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@ -330,6 +333,7 @@ target/arm/as3525/system-as3525.c
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#endif
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#if defined(CPU_PP)
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target/arm/kernel-pp.c
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#if CONFIG_CPU == PP5002
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target/arm/system-pp5002.c
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#elif defined CPU_PP502x
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@ -7,7 +7,7 @@
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Björn Stenberg
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* Copyright (C) 2002 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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@ -92,150 +92,9 @@ void kernel_init(void)
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}
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/****************************************************************************
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* Timer tick
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* Timer tick - Timer initialization and interrupt handler is defined at
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* the target level.
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****************************************************************************/
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#if CONFIG_CPU == SH7034
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void tick_start(unsigned int interval_in_ms)
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{
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unsigned long count;
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count = CPU_FREQ * interval_in_ms / 1000 / 8;
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if(count > 0x10000)
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{
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panicf("Error! The tick interval is too long (%d ms)\n",
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interval_in_ms);
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return;
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}
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/* We are using timer 0 */
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TSTR &= ~0x01; /* Stop the timer */
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TSNC &= ~0x01; /* No synchronization */
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TMDR &= ~0x01; /* Operate normally */
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TCNT0 = 0; /* Start counting at 0 */
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GRA0 = (unsigned short)(count - 1);
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TCR0 = 0x23; /* Clear at GRA match, sysclock/8 */
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/* Enable interrupt on level 1 */
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IPRC = (IPRC & ~0x00f0) | 0x0010;
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TSR0 &= ~0x01;
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TIER0 = 0xf9; /* Enable GRA match interrupt */
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TSTR |= 0x01; /* Start timer 1 */
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}
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void IMIA0(void) __attribute__ ((interrupt_handler));
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void IMIA0(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TSR0 &= ~0x01;
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}
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#elif defined(CPU_COLDFIRE)
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void tick_start(unsigned int interval_in_ms)
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{
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unsigned long count;
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int prescale;
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count = CPU_FREQ/2 * interval_in_ms / 1000 / 16;
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if(count > 0x10000)
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{
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panicf("Error! The tick interval is too long (%d ms)\n",
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interval_in_ms);
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return;
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}
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prescale = cpu_frequency / CPU_FREQ;
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/* Note: The prescaler is later adjusted on-the-fly on CPU frequency
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changes within timer.c */
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/* We are using timer 0 */
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TRR0 = (unsigned short)(count - 1); /* The reference count */
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TCN0 = 0; /* reset the timer */
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TMR0 = 0x001d | ((unsigned short)(prescale - 1) << 8);
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/* restart, CLK/16, enabled, prescaler */
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TER0 = 0xff; /* Clear all events */
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ICR1 = 0x8c; /* Interrupt on level 3.0 */
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IMR &= ~0x200;
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}
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void TIMER0(void) __attribute__ ((interrupt_handler));
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void TIMER0(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TER0 = 0xff; /* Clear all events */
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}
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#elif defined(CPU_PP)
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#ifndef BOOTLOADER
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void TIMER1(void)
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{
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/* Run through the list of tick tasks (using main core) */
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TIMER1_VAL; /* Read value to ack IRQ */
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/* Run through the list of tick tasks using main CPU core -
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wake up the COP through its control interface to provide pulse */
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call_tick_tasks();
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#if NUM_CORES > 1
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/* Pulse the COP */
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core_wake(COP);
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#endif /* NUM_CORES */
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}
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#endif
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/* Must be last function called init kernel/thread initialization */
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void tick_start(unsigned int interval_in_ms)
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{
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#ifndef BOOTLOADER
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TIMER1_CFG = 0x0;
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TIMER1_VAL;
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/* enable timer */
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TIMER1_CFG = 0xc0000000 | (interval_in_ms*1000 - 1);
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/* unmask interrupt source */
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CPU_INT_EN = TIMER1_MASK;
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#else
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/* We don't enable interrupts in the bootloader */
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(void)interval_in_ms;
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#endif
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}
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#elif CONFIG_CPU == PNX0101
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void timer_handler(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TIMER0.clr = 0;
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}
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void tick_start(unsigned int interval_in_ms)
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{
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TIMER0.ctrl &= ~0x80; /* Disable the counter */
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TIMER0.ctrl |= 0x40; /* Reload after counting down to zero */
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TIMER0.load = 3000000 * interval_in_ms / 1000;
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TIMER0.ctrl &= ~0xc; /* No prescaler */
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TIMER0.clr = 1; /* Clear the interrupt request */
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irq_set_int_handler(IRQ_TIMER0, timer_handler);
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irq_enable_int(IRQ_TIMER0);
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TIMER0.ctrl |= 0x80; /* Enable the counter */
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}
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#endif
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int tick_add_task(void (*f)(void))
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{
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int oldlevel = disable_irq_save();
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56
firmware/target/arm/kernel-pp.c
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56
firmware/target/arm/kernel-pp.c
Normal file
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@ -0,0 +1,56 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#ifndef BOOTLOADER
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void TIMER1(void)
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{
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/* Run through the list of tick tasks (using main core) */
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TIMER1_VAL; /* Read value to ack IRQ */
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/* Run through the list of tick tasks using main CPU core -
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wake up the COP through its control interface to provide pulse */
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call_tick_tasks();
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#if NUM_CORES > 1
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/* Pulse the COP */
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core_wake(COP);
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#endif /* NUM_CORES */
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}
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#endif
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/* Must be last function called init kernel/thread initialization */
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void tick_start(unsigned int interval_in_ms)
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{
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#ifndef BOOTLOADER
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TIMER1_CFG = 0x0;
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TIMER1_VAL;
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/* enable timer */
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TIMER1_CFG = 0xc0000000 | (interval_in_ms*1000 - 1);
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/* unmask interrupt source */
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CPU_INT_EN = TIMER1_MASK;
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#else
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/* We don't enable interrupts in the bootloader */
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(void)interval_in_ms;
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#endif
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}
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45
firmware/target/arm/pnx0101/kernel-pnx0101.c
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45
firmware/target/arm/pnx0101/kernel-pnx0101.c
Normal file
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@ -0,0 +1,45 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Tomasz Malesinski
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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void timer_handler(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TIMER0.clr = 0;
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}
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void tick_start(unsigned int interval_in_ms)
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{
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TIMER0.ctrl &= ~0x80; /* Disable the counter */
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TIMER0.ctrl |= 0x40; /* Reload after counting down to zero */
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TIMER0.load = 3000000 * interval_in_ms / 1000;
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TIMER0.ctrl &= ~0xc; /* No prescaler */
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TIMER0.clr = 1; /* Clear the interrupt request */
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irq_set_int_handler(IRQ_TIMER0, timer_handler);
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irq_enable_int(IRQ_TIMER0);
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TIMER0.ctrl |= 0x80; /* Enable the counter */
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}
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64
firmware/target/coldfire/kernel-coldfire.c
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64
firmware/target/coldfire/kernel-coldfire.c
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@ -0,0 +1,64 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "panic.h"
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void tick_start(unsigned int interval_in_ms)
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{
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unsigned long count;
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int prescale;
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count = CPU_FREQ/2 * interval_in_ms / 1000 / 16;
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if(count > 0x10000)
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{
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panicf("Error! The tick interval is too long (%d ms)\n",
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interval_in_ms);
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return;
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}
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prescale = cpu_frequency / CPU_FREQ;
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/* Note: The prescaler is later adjusted on-the-fly on CPU frequency
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changes within timer.c */
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/* We are using timer 0 */
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TRR0 = (unsigned short)(count - 1); /* The reference count */
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TCN0 = 0; /* reset the timer */
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TMR0 = 0x001d | ((unsigned short)(prescale - 1) << 8);
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/* restart, CLK/16, enabled, prescaler */
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TER0 = 0xff; /* Clear all events */
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ICR1 = 0x8c; /* Interrupt on level 3.0 */
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IMR &= ~0x200;
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}
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void TIMER0(void) __attribute__ ((interrupt_handler));
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void TIMER0(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TER0 = 0xff; /* Clear all events */
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}
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65
firmware/target/sh/kernel-sh.c
Normal file
65
firmware/target/sh/kernel-sh.c
Normal file
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@ -0,0 +1,65 @@
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Björn Stenberg
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
|
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "panic.h"
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void tick_start(unsigned int interval_in_ms)
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{
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unsigned long count;
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count = CPU_FREQ * interval_in_ms / 1000 / 8;
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if(count > 0x10000)
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{
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panicf("Error! The tick interval is too long (%d ms)\n",
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interval_in_ms);
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return;
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}
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/* We are using timer 0 */
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TSTR &= ~0x01; /* Stop the timer */
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TSNC &= ~0x01; /* No synchronization */
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TMDR &= ~0x01; /* Operate normally */
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TCNT0 = 0; /* Start counting at 0 */
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GRA0 = (unsigned short)(count - 1);
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TCR0 = 0x23; /* Clear at GRA match, sysclock/8 */
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/* Enable interrupt on level 1 */
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IPRC = (IPRC & ~0x00f0) | 0x0010;
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TSR0 &= ~0x01;
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TIER0 = 0xf9; /* Enable GRA match interrupt */
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TSTR |= 0x01; /* Start timer 1 */
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}
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void IMIA0(void) __attribute__ ((interrupt_handler));
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void IMIA0(void)
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{
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/* Run through the list of tick tasks */
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call_tick_tasks();
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TSR0 &= ~0x01;
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}
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