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| author | Gregory Nutt <gnutt@nuttx.org> | 2013-07-23 17:52:06 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2013-07-23 17:52:06 -0600 |
| commit | 0d5c6f5ba0e21048316e15c63ae4c7eeca269ba0 (patch) | |
| tree | d58f3643565c971c233e6e9d12718570b18a8500 /nuttx/ChangeLog | |
| parent | 01282438eedb355172c734726723549d6f767bc1 (diff) | |
| download | nuttx-0d5c6f5ba0e21048316e15c63ae4c7eeca269ba0.tar.gz nuttx-0d5c6f5ba0e21048316e15c63ae4c7eeca269ba0.tar.bz2 nuttx-0d5c6f5ba0e21048316e15c63ae4c7eeca269ba0.zip | |
Improve some ARMv7-A/M floating point register save time; Add floating point register save logic for ARMv7-A
Diffstat (limited to 'nuttx/ChangeLog')
| -rw-r--r-- | nuttx/ChangeLog | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 16b409c7b..1a1c0fbd1 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -5168,4 +5168,12 @@ * arch/arm/src/armv7-a/arm_vectors.S: Force 8-byte stack alignment in interrupt handlers before calling C code. Other ARM architectures need to do this as well (2013-7-23). + * arm/src/armv7-m/up_copyarmstate.c and armv7-a/up_copyarmstate.c: + Added a new form of the register copy function that should save quit a + bit of time for armv7-m (without common vectors) and with armv7-a + (2013-7-23). + * arch/arm/src/armv7-a/arm_restorefpu.S, arm_savefpu.S, arm_doirq.c, + arm_fullcontextrestore.S, arm_saveusercontext.S: Add hardware + floating point register save/restore logic for the Cortex-A5\ + (2013-7-23). |