diff options
| author | Kyoung Kim <kyoung.il.kim@intel.com> | 2018-12-18 16:48:09 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-01-10 13:58:47 -0800 |
| commit | cac2bbe86d867ed428c37f1b5b34fcf8594fcc24 (patch) | |
| tree | a794ca621f0795ba00a09dc9c17a6a25187d2d8d /core | |
| parent | 62adbc1bd61124f04405b9ee94b7172171546239 (diff) | |
| download | chrome-ec-cac2bbe86d867ed428c37f1b5b34fcf8594fcc24.tar.gz | |
core/minute-ia: set single precision for FPU
Set FPU single precision to improve trackpad processing
time at default fpu context.
BUG=b:120885570
TEST=check improvment of TP frame processing.
Change-Id: Id78e878b4b38043c9c15b75d90dfd108e7de02a2
Signed-off-by: Kyoung Kim <kyoung.il.kim@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/1383551
Commit-Ready: Jett Rink <jettrink@chromium.org>
Tested-by: Kyoung Il Kim <kyoung.il.kim@intel.com>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Kyoung Il Kim <kyoung.il.kim@intel.com>
Diffstat (limited to 'core')
| -rw-r--r-- | core/minute-ia/task.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/core/minute-ia/task.c b/core/minute-ia/task.c index 77c429c288..adc498830b 100644 --- a/core/minute-ia/task.c +++ b/core/minute-ia/task.c @@ -556,8 +556,12 @@ void task_pre_init(void) #ifdef CONFIG_FPU static uint8_t default_fp_ctx[] = { /* Initial FP state */ - 0x7f, 0x03, 0xff, 0xff, 0x00, 0x00, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + 0x7f, 0x00, /* Control[0-15] */ + 0xff, 0xff, /* unused */ + 0x00, 0x00, /* Status[0-15] */ + 0xff, 0xff, /* unused */ + 0xff, 0xff, /* Tag[0-15] */ + 0xff, 0xff};/* unused */ #endif __asm__ __volatile__ ("movl %%cs, %0":"=r" (cs)); |