diff options
Diffstat (limited to 'user/fftw/clock-sgi-cycle.patch')
| -rw-r--r-- | user/fftw/clock-sgi-cycle.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/user/fftw/clock-sgi-cycle.patch b/user/fftw/clock-sgi-cycle.patch new file mode 100644 index 000000000..2fd37c837 --- /dev/null +++ b/user/fftw/clock-sgi-cycle.patch @@ -0,0 +1,70 @@ +From 8fdc7b71354fbbbbc68fa8b2b810610ee41e052f Mon Sep 17 00:00:00 2001 +From: Frank Hartmann <frank.hartmann@dreamchip.de> +Date: Fri, 5 Jan 2018 21:27:23 +0100 +Subject: [PATCH 1/2] linux: avoid using CLOCK_SGI_CYCLE + +The call clock_gettime(CLOCK_SGI_CYCLE, &t) from function getticks() fails with EINVAL. +See : http://elixir.free-electrons.com/linux/latest/source/include/uapi/linux/time.h#L62 - "The driver implementing this got removed. The clock ID is kept as a place holder. Do not reuse!" +--- + kernel/cycle.h | 14 ++++++++++++-- + 1 file changed, 12 insertions(+), 2 deletions(-) + +diff --git a/kernel/cycle.h b/kernel/cycle.h +index fe3dd50d6..21d206e35 100644 +--- a/kernel/cycle.h ++++ b/kernel/cycle.h +@@ -437,8 +437,18 @@ INLINE_ELAPSED(__inline) + #define HAVE_TICK_COUNTER + #endif + /*----------------------------------------------------------------*/ +-/* SGI/Irix */ +-#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_SGI_CYCLE) && !defined(HAVE_TICK_COUNTER) && !defined(__ANDROID__) ++/* SGI/Irix/Linux but not android */ ++#if !defined(__ANDROID__) ++#if defined(HAVE_CLOCK_GETTIME) && !defined(HAVE_TICK_COUNTER) ++#if defined(CLOCK_MONOTONIC) ++#define METHOD CLOCK_MONOTONIC ++#elif defined(CLOCK_REALTIME) ++#define METHOD CLOCK_REALTIME ++#elif defined(CLOCK_SGI_CYCLE) ++#define METHOD CLOCK_SGI_CYCLE ++#endif ++#endif ++ + typedef struct timespec ticks; + + static inline ticks getticks(void) + +From c68b27dedad182b0b222502d98cc9795787c2607 Mon Sep 17 00:00:00 2001 +From: Frank Hartmann <frank.hartmann@dreamchip.de> +Date: Sun, 14 Jan 2018 16:52:30 +0100 +Subject: [PATCH 2/2] linux: avoid using CLOCK_SGI_CYCLE, use METHOD + +--- + kernel/cycle.h | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/kernel/cycle.h b/kernel/cycle.h +index 21d206e35..777d1cda5 100644 +--- a/kernel/cycle.h ++++ b/kernel/cycle.h +@@ -438,8 +438,8 @@ INLINE_ELAPSED(__inline) + #endif + /*----------------------------------------------------------------*/ + /* SGI/Irix/Linux but not android */ +-#if !defined(__ANDROID__) +-#if defined(HAVE_CLOCK_GETTIME) && !defined(HAVE_TICK_COUNTER) ++#if !defined(__ANDROID__) && !defined(HAVE_TICK_COUNTER) ++#if defined(HAVE_CLOCK_GETTIME) + #if defined(CLOCK_MONOTONIC) + #define METHOD CLOCK_MONOTONIC + #elif defined(CLOCK_REALTIME) +@@ -454,7 +454,7 @@ typedef struct timespec ticks; + static inline ticks getticks(void) + { + struct timespec t; +- clock_gettime(CLOCK_SGI_CYCLE, &t); ++ clock_gettime(METHOD, &t); + return t; + } + |