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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-03-06 13:17:04 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-03-10 08:03:46 +0100 |
commit | 6b115b3008a15bc9b7ad1f194830c7ea399b51fe (patch) | |
tree | 48edf2902f11d2998f6634cc930c28c5dbd29f37 /c/src/lib/libbsp/sparc/leon3/include/leon.h | |
parent | bsps/sparc: Add missing IRQMP registers (diff) | |
download | rtems-6b115b3008a15bc9b7ad1f194830c7ea399b51fe.tar.bz2 |
bsp/leon3: Use interrupt timestamping counter
Use the interrupt controller timestamping counter for the CPU counter if
available since it runs with a high frequency.
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon3/include/leon.h')
-rw-r--r-- | c/src/lib/libbsp/sparc/leon3/include/leon.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/leon3/include/leon.h b/c/src/lib/libbsp/sparc/leon3/include/leon.h index 476ed5c848..00f158f0c3 100644 --- a/c/src/lib/libbsp/sparc/leon3/include/leon.h +++ b/c/src/lib/libbsp/sparc/leon3/include/leon.h @@ -399,6 +399,13 @@ static inline uint32_t leon3_get_data_cache_config_register(void) return leon3_get_system_register(0xc); } +static inline bool leon3_irqmp_has_timestamp( + volatile struct irqmp_timestamp_regs *irqmp_ts +) +{ + return (irqmp_ts->control >> 27) > 0; +} + #endif /* !ASM */ #ifdef __cplusplus |