diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-03-04 14:07:06 +0000 |
---|---|---|
committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-03-04 14:07:06 +0000 |
commit | 631a092239d5b78dbf2832ba094c7c74b5c3c958 (patch) | |
tree | 2b1f7acd43a62cf973ccf5cd51f44c52d882fe6e /c | |
parent | 5180f7cb36c1f5483772d39847bd29f6369d978c (diff) |
2011-03-04 Joel Sherrill <joel.sherrilL@OARcorp.com>
PR 1748/bsps
* clock/ckinit.c: When the clock tick generates an interrupt WHILE we
have interrupts disabled doing a get TOD or uptime, the get
nanoseconds handler was returning a bogusly large number.
Diffstat (limited to 'c')
-rw-r--r-- | c/src/lib/libbsp/sparc/erc32/ChangeLog | 7 | ||||
-rw-r--r-- | c/src/lib/libbsp/sparc/erc32/clock/ckinit.c | 10 | ||||
-rw-r--r-- | c/src/lib/libbsp/sparc/leon2/ChangeLog | 7 | ||||
-rw-r--r-- | c/src/lib/libbsp/sparc/leon2/clock/ckinit.c | 13 |
4 files changed, 30 insertions, 7 deletions
diff --git a/c/src/lib/libbsp/sparc/erc32/ChangeLog b/c/src/lib/libbsp/sparc/erc32/ChangeLog index 80665d1088..ff483ac0c2 100644 --- a/c/src/lib/libbsp/sparc/erc32/ChangeLog +++ b/c/src/lib/libbsp/sparc/erc32/ChangeLog @@ -1,3 +1,10 @@ +2011-03-04 Joel Sherrill <joel.sherrilL@OARcorp.com> + + PR 1748/bsps + * clock/ckinit.c: When the clock tick generates an interrupt WHILE we + have interrupts disabled doing a get TOD or uptime, the get + nanoseconds handler was returning a bogusly large number. + 2011-03-03 Joel Sherrill <joel.sherrilL@OARcorp.com> PR 1750/bsps diff --git a/c/src/lib/libbsp/sparc/erc32/clock/ckinit.c b/c/src/lib/libbsp/sparc/erc32/clock/ckinit.c index e1175909f8..9987de285b 100644 --- a/c/src/lib/libbsp/sparc/erc32/clock/ckinit.c +++ b/c/src/lib/libbsp/sparc/erc32/clock/ckinit.c @@ -49,11 +49,17 @@ extern int CLOCK_SPEED; uint32_t bsp_clock_nanoseconds_since_last_tick(void) { uint32_t clicks; + uint32_t usecs; clicks = ERC32_MEC.Real_Time_Clock_Counter; - return (uint32_t) - (rtems_configuration_get_microseconds_per_tick() - clicks) * 1000; + if ( ERC32_Is_interrupt_pending( ERC32_INTERRUPT_REAL_TIME_CLOCK ) ) { + clicks = ERC32_MEC.Real_Time_Clock_Counter; + usecs = (2*rtems_configuration_get_microseconds_per_tick() - clicks); + } else { + usecs = (rtems_configuration_get_microseconds_per_tick() - clicks); + } + return usecs * 1000; } #define Clock_driver_nanoseconds_since_last_tick \ diff --git a/c/src/lib/libbsp/sparc/leon2/ChangeLog b/c/src/lib/libbsp/sparc/leon2/ChangeLog index a63380d634..a5e3e66f65 100644 --- a/c/src/lib/libbsp/sparc/leon2/ChangeLog +++ b/c/src/lib/libbsp/sparc/leon2/ChangeLog @@ -1,3 +1,10 @@ +2011-03-04 Joel Sherrill <joel.sherrilL@OARcorp.com> + + PR 1748/bsps + * clock/ckinit.c: When the clock tick generates an interrupt WHILE we + have interrupts disabled doing a get TOD or uptime, the get + nanoseconds handler was returning a bogusly large number. + 2011-02-02 Ralf Corsépius <ralf.corsepius@rtems.org> * configure.ac: Require autoconf-2.68, automake-1.11.1. diff --git a/c/src/lib/libbsp/sparc/leon2/clock/ckinit.c b/c/src/lib/libbsp/sparc/leon2/clock/ckinit.c index 90a17cbb92..0648b89d62 100644 --- a/c/src/lib/libbsp/sparc/leon2/clock/ckinit.c +++ b/c/src/lib/libbsp/sparc/leon2/clock/ckinit.c @@ -62,12 +62,15 @@ extern int CLOCK_SPEED; uint32_t bsp_clock_nanoseconds_since_last_tick(void) { uint32_t clicks; + uint32_t usecs; - clicks = LEON_REG.Timer_Counter_1; - - /* Down counter */ - return (uint32_t) - (rtems_configuration_get_microseconds_per_tick() - clicks) * 1000; + if ( LEON_Is_interrupt_pending( LEON_INTERRUPT_TIMER1 ) ) { + clicks = LEON_REG.Timer_Counter_1; + usecs = (2*rtems_configuration_get_microseconds_per_tick() - clicks); + } else { + usecs = (rtems_configuration_get_microseconds_per_tick() - clicks); + } + return usecs * 1000; } #define Clock_driver_nanoseconds_since_last_tick bsp_clock_nanoseconds_since_last_tick |