diff options
| -rw-r--r-- | c/src/lib/libcpu/mips/Makefile.am | 12 | ||||
| -rw-r--r-- | c/src/lib/libcpu/mips/clock/ckinit.c | 173 | ||||
| -rw-r--r-- | c/src/lib/libcpu/mips/clock/clock.S | 43 | ||||
| -rw-r--r-- | c/src/lib/libcpu/mips/clock/clock.h | 23 | ||||
| -rw-r--r-- | c/src/lib/libcpu/mips/configure.ac | 5 |
5 files changed, 1 insertions, 255 deletions
diff --git a/c/src/lib/libcpu/mips/Makefile.am b/c/src/lib/libcpu/mips/Makefile.am index e4dd7caf33..be4d2c0df7 100644 --- a/c/src/lib/libcpu/mips/Makefile.am +++ b/c/src/lib/libcpu/mips/Makefile.am @@ -56,18 +56,6 @@ include_libcpu_HEADERS += au1x00/include/au1x00.h endif -if r46xx -noinst_PROGRAMS += r46xx/timer.rel -r46xx_timer_rel_SOURCES = timer/timer.c timer/gettime.S -r46xx_timer_rel_CPPFLAGS = $(AM_CPPFLAGS) -r46xx_timer_rel_LDFLAGS = $(RTEMS_RELLDFLAGS) - -noinst_PROGRAMS += r46xx/clock.rel -r46xx_clock_rel_SOURCES = clock/ckinit.c clock/clock.S clock/clock.h -r46xx_clock_rel_CPPFLAGS = $(AM_CPPFLAGS) -r46xx_clock_rel_LDFLAGS = $(RTEMS_RELLDFLAGS) -endif - if rm52xx include_libcpu_HEADERS += rm52xx/include/rm5231.h diff --git a/c/src/lib/libcpu/mips/clock/ckinit.c b/c/src/lib/libcpu/mips/clock/ckinit.c deleted file mode 100644 index 315226362e..0000000000 --- a/c/src/lib/libcpu/mips/clock/ckinit.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * This file contains the clock driver initialization for the IDT 4650. - */ - -/* - * Author: Craig Lebakken <craigl@transition.com> - * - * COPYRIGHT (c) 1996 by Transition Networks Inc. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Transition Networks not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * Transition Networks makes no representations about the suitability - * of this software for any purpose. - * - * Derived from c/src/lib/libbsp/no_cpu/no_bsp/clock/ckinit.c: - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -/* - * Rather than deleting this, it is commented out to (hopefully) help - * the submitter send updates. - */ - -#include <stdlib.h> - -#include <rtems.h> -#include <rtems/clockdrv.h> - -#define EXT_INT5 0x8000 /* external interrupt 5 */ - -#include "clock.h" - -extern uint32_t bsp_clicks_per_microsecond; - -/* to avoid including the bsp */ -mips_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int ); - -/* - * The interrupt vector number associated with the clock tick device - * driver. - */ -#define CLOCK_VECTOR_MASK EXT_INT5 -#define CLOCK_VECTOR 0x7 - -/* - * Clock_driver_ticks is a monotonically increasing counter of the - * number of clock ticks since the driver was initialized. - */ -volatile uint32_t Clock_driver_ticks; - -/* - * Clock_isrs is the number of clock ISRs until the next invocation of - * the RTEMS clock tick routine. The clock tick device driver - * gets an interrupt once a millisecond and counts down until the - * length of time between the user configured microseconds per tick - * has passed. - */ -uint32_t Clock_isrs; /* ISRs until next tick */ - -/* - * The previous ISR on this clock tick interrupt vector. - */ -rtems_isr_entry Old_ticker; - -static uint32_t mips_timer_rate = 0; - -/* - * Isr Handler - */ -static rtems_isr Clock_isr( - rtems_vector_number vector -) -{ -/* - * bump the number of clock driver ticks since initialization - * - * determine if it is time to announce the passing of tick as configured - * to RTEMS through the rtems_clock_tick directive - * - * perform any timer dependent tasks - */ - - /* refresh the internal CPU timer */ - mips_set_timer( mips_timer_rate ); - - Clock_driver_ticks += 1; - - rtems_clock_tick(); -} - -/* User callback shell (set from Clock_Control) */ -static void (*user_callback)(void); - -rtems_isr User_Clock_isr( - rtems_vector_number vector -) -{ - /* refresh the internal CPU timer */ - mips_set_timer( mips_timer_rate ); - - if (user_callback) - user_callback(); -} - -/* - * Install_clock - * - * Install a clock tick handleR and reprograms the chip. This - * is used to initially establish the clock tick. - */ -static void Install_clock( - rtems_isr_entry clock_isr -) -{ - /* - * Initialize the clock tick device driver variables - */ - - Clock_driver_ticks = 0; - Clock_isrs = rtems_configuration_get_milliseconds_per_tick(); - - Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 ); - - /* - * Hardware specific initialize goes here - */ - mips_timer_rate = rtems_configuration_get_microseconds_per_tick() * - bsp_clicks_per_microsecond; - mips_set_timer( mips_timer_rate ); - mips_enable_in_interrupt_mask(CLOCK_VECTOR_MASK); - - /* - * Schedule the clock cleanup routine to execute if the application exits. - */ - atexit( Clock_exit ); -} - -/* - * Clean up before the application exits - */ -void Clock_exit( void ) -{ - /* mips: turn off the timer interrupts */ - mips_disable_in_interrupt_mask(CLOCK_VECTOR_MASK); -} - -/* - * Clock_initialize - * - * Device driver entry point for clock tick driver initialization. - */ -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - Install_clock( Clock_isr ); - - return RTEMS_SUCCESSFUL; -} diff --git a/c/src/lib/libcpu/mips/clock/clock.S b/c/src/lib/libcpu/mips/clock/clock.S deleted file mode 100644 index 2e9ff1ea26..0000000000 --- a/c/src/lib/libcpu/mips/clock/clock.S +++ /dev/null @@ -1,43 +0,0 @@ -/* clock.s - * - * This file contains the assembly code for the IDT 4650 clock driver. - * - * Author: Craig Lebakken <craigl@transition.com> - * - * COPYRIGHT (c) 1996 by Transition Networks Inc. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Transition Networks not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * Transition Networks makes no representations about the suitability - * of this software for any purpose. - */ -/* @(#)clock.S 08/20/96 1.2 */ - -#include <rtems/mips/iregdef.h> -#include <rtems/mips/idtcpu.h> -#include <rtems/asm.h> - -FRAME(mips_set_timer,sp,0,ra) - .set noreorder - mfc0 t0,C0_COUNT - nop - addu t0,a0,t0 - mtc0 t0,C0_COMPARE - j ra - nop - .set reorder -ENDFRAME(mips_set_timer) - -FRAME(mips_get_timer,sp,0,ra) - .set noreorder - mfc0 v0,C0_COUNT - j ra - nop - .set reorder -ENDFRAME(mips_get_timer) diff --git a/c/src/lib/libcpu/mips/clock/clock.h b/c/src/lib/libcpu/mips/clock/clock.h deleted file mode 100644 index 7b2fc9244f..0000000000 --- a/c/src/lib/libcpu/mips/clock/clock.h +++ /dev/null @@ -1,23 +0,0 @@ -/* clock.s - * - * This file contains the assembly code for the IDT 4650 clock driver. - * - * Author: Craig Lebakken <craigl@transition.com> - * - * COPYRIGHT (c) 1996 by Transition Networks Inc. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of Transition Networks not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * Transition Networks makes no representations about the suitability - * of this software for any purpose. - */ - -/* @(#)clock.h 08/20/96 1.2 */ - -extern void mips_set_timer( uint32_t timer_clock_interval ); diff --git a/c/src/lib/libcpu/mips/configure.ac b/c/src/lib/libcpu/mips/configure.ac index 9bc3ebe7dc..97157fca5c 100644 --- a/c/src/lib/libcpu/mips/configure.ac +++ b/c/src/lib/libcpu/mips/configure.ac @@ -2,7 +2,7 @@ AC_PREREQ([2.69]) AC_INIT([rtems-c-src-lib-libcpu-mips],[_RTEMS_VERSION],[http://www.rtems.org/bugzilla]) -AC_CONFIG_SRCDIR([clock]) +AC_CONFIG_SRCDIR([tx39]) RTEMS_TOP([../../../../..],[../../..]) RTEMS_CANONICAL_TARGET_CPU @@ -19,9 +19,6 @@ AM_PROG_CC_C_O RTEMS_CANONICALIZE_TOOLS RTEMS_PROG_CCAS -AM_CONDITIONAL(r46xx, test "$RTEMS_CPU_MODEL" = "R4600" \ -|| test "$RTEMS_CPU_MODEL" = "R4650" ) - AM_CONDITIONAL(tx39, test "$RTEMS_CPU_MODEL" = "tx3904") AM_CONDITIONAL(tx49, test "$RTEMS_CPU_MODEL" = "tx4925" \ |