Numerous miscellaneous features incorporated from Tony Bennett

(tbennett@divnc.com) including the following major additions:

  + variable length messages
  + named devices
  + debug monitor
  + association tables/variables
This commit is contained in:
Joel Sherrill
1995-08-17 19:51:51 +00:00
parent 3b438fa4b0
commit b06e68ef1f
151 changed files with 15476 additions and 1815 deletions

View File

@@ -1,7 +1,7 @@
/* Clock
*
* This routine initializes the interval timer on the
* PA-RISC CPU. The tick frequency is specified by the bsp.
* This routine generates clock ticks using standard POSIX services.
* The tick frequency is specified by the bsp.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
@@ -15,62 +15,44 @@
*/
#include <rtems.h>
#include <rtems/libio.h>
#include <bsp.h>
/*
* In order to get the types and prototypes used in this file under
* Solaris 2.3, it is necessary to pull the following magic.
*/
#if defined(solaris)
#warning "Ignore the undefining __STDC__ warning"
#undef __STDC__
#define __STDC__ 0
#undef _POSIX_C_SOURCE
#endif
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
extern rtems_configuration_table Configuration;
extern sigset_t UNIX_SIGNAL_MASK;
/*
* Function prototypes
*/
void Install_clock();
void Clock_isr();
void Clock_exit();
/*
* CPU_HPPA_CLICKS_PER_TICK is either a #define or an rtems_unsigned32
* allocated and set by bsp_start()
*/
#ifndef CPU_HPPA_CLICKS_PER_TICK
extern rtems_unsigned32 CPU_HPPA_CLICKS_PER_TICK;
#endif
void Clock_exit(void);
volatile rtems_unsigned32 Clock_driver_ticks;
struct itimerval new;
/*
* These are set by clock driver during its init
*/
rtems_device_driver
Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp,
rtems_id tid,
rtems_unsigned32 *rval
)
{
Install_clock(Clock_isr);
}
void
ReInstall_clock(rtems_isr_entry new_clock_isr)
{
rtems_unsigned32 isrlevel = 0;
rtems_interrupt_disable(isrlevel);
(void)set_vector(new_clock_isr, SIGALRM, 1);
rtems_interrupt_enable(isrlevel);
}
rtems_device_major_number rtems_clock_major = ~0;
rtems_device_minor_number rtems_clock_minor;
void
Install_clock(rtems_isr_entry clock_isr)
{
struct itimerval new;
Clock_driver_ticks = 0;
new.it_value.tv_sec = 0;
@@ -85,11 +67,20 @@ Install_clock(rtems_isr_entry clock_isr)
atexit(Clock_exit);
}
void
ReInstall_clock(rtems_isr_entry new_clock_isr)
{
rtems_unsigned32 isrlevel = 0;
rtems_interrupt_disable(isrlevel);
(void)set_vector(new_clock_isr, SIGALRM, 1);
rtems_interrupt_enable(isrlevel);
}
void
Clock_isr(int vector)
{
Clock_driver_ticks++;
rtems_clock_tick();
}
@@ -101,6 +92,7 @@ Clock_isr(int vector)
void
Clock_exit(void)
{
struct itimerval new;
struct sigaction act;
/*
@@ -121,3 +113,50 @@ Clock_exit(void)
(void)set_vector(0, SIGALRM, 1);
}
rtems_device_driver
Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
Install_clock((rtems_isr_entry) Clock_isr);
/*
* make major/minor avail to others such as shared memory driver
*/
rtems_clock_major = major;
rtems_clock_minor = minor;
return RTEMS_SUCCESSFUL;
}
rtems_device_driver Clock_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *pargp
)
{
rtems_libio_ioctl_args_t *args = pargp;
if (args == 0)
goto done;
/*
* This is hokey, but until we get a defined interface
* to do this, it will just be this simple...
*/
if (args->command == rtems_build_name('I', 'S', 'R', ' '))
{
Clock_isr(SIGALRM);
}
else if (args->command == rtems_build_name('N', 'E', 'W', ' '))
{
ReInstall_clock(args->buffer);
}
done:
return RTEMS_SUCCESSFUL;
}

View File

@@ -28,10 +28,9 @@
rtems_device_driver
console_initialize(rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg,
rtems_id self,
rtems_unsigned32 * status)
void * arg
)
{
*status = RTEMS_SUCCESSFUL;
return RTEMS_SUCCESSFUL;
}

View File

@@ -78,6 +78,20 @@ extern rtems_configuration_table BSP_Configuration;
*/
/* #define INTERRUPT_EXTERNAL_MPCI SIGUSR1 */
/*
* Console driver init
*/
rtems_device_driver console_initialize(
rtems_device_major_number, rtems_device_minor_number minor, void *);
#define CONSOLE_DRIVER_TABLE_ENTRY \
{ console_initialize, NULL, NULL, NULL, NULL, NULL }
/*
* NOTE: Use the standard Clock driver entry
*/
/* functions */