diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-09-21 00:23:02 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-09-21 00:23:02 +0000 |
commit | 04bc5d97f10929df9fb0e230334fc92266cea633 (patch) | |
tree | c6b1cbda36928536f2103d471f5b9fd8d2198176 /c/src/lib/libbsp/i386/i386ex/clock | |
parent | Patch from Eric Norum: (diff) | |
download | rtems-04bc5d97f10929df9fb0e230334fc92266cea633.tar.bz2 |
Update from Erik Ivanenko <erik.ivanenko@utoronto.ca> to bring the
i386ex bsp up to date.
1) A 'hlt' instruction is coded in case of a return from boot_card in
start.s.
Diffstat (limited to 'c/src/lib/libbsp/i386/i386ex/clock')
-rw-r--r-- | c/src/lib/libbsp/i386/i386ex/clock/ckinit.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/c/src/lib/libbsp/i386/i386ex/clock/ckinit.c b/c/src/lib/libbsp/i386/i386ex/clock/ckinit.c index 0ede2182b9..10086f618d 100644 --- a/c/src/lib/libbsp/i386/i386ex/clock/ckinit.c +++ b/c/src/lib/libbsp/i386/i386ex/clock/ckinit.c @@ -19,6 +19,11 @@ * * $Id$ */ +#define TMR0 0xF040 +#define TMR1 0xF041 +#define TMR2 0xF042 +#define TMRCON 0xF043 +#define TMRCFG 0xF834 #include <bsp.h> #include <irq.h> @@ -58,21 +63,12 @@ void Clock_isr() void ClockOff(const rtems_irq_connect_data* unused) { - /* should do something here */; + /* should do something here */; + outport_byte ( TMRCFG , 0x80 ); } void ClockOn(const rtems_irq_connect_data* unused) { -/* The following is already set up in interns.s -> - ( This is test code only... production code will move the - TMRCFG stuff here ) -*/ -#define TMR0 0xF040 -#define TMR1 0xF041 -#define TMR2 0xF042 -#define TMRCON 0xF043 -#define TMRCFG 0xF834 - outport_byte ( TMRCFG , 0x80 ); outport_byte ( TMRCON , 0x34 ); @@ -141,6 +137,10 @@ rtems_device_driver Clock_control( printk("Error installing clock interrupt handler!\n"); rtems_fatal_error_occurred(1); } +#ifdef DEBUG + else + printk("Clock installed AGAIN\n"); +#endif } done: @@ -149,5 +149,6 @@ done: void Clock_exit() { + ClockOff(&clockIrqData); pc386_remove_rtems_irq_handler (&clockIrqData); } |