zephyr/arch/xtensa
Lucas Tamborrino 9e289c1b20 arch: xtensa: save FPU register in context switching
Save FP user register and FP register file during context switch.

This change enables shared FP registers mode using CONFIG_FPU_SHARING.

Since there is no lazy stacking, the FPU registers will be saved regardless
of whether floating point calculations are performed in the threads when
CONFIG_FPU_SHARING is enabled. This require 72 additional bytes in the
stack memory.

Signed-off-by: Lucas Tamborrino <lucas.tamborrino@espressif.com>
2022-12-27 13:23:17 +01:00
..
core arch: xtensa: save FPU register in context switching 2022-12-27 13:23:17 +01:00
include arch: xtensa: save FPU register in context switching 2022-12-27 13:23:17 +01:00
CMakeLists.txt license: cleanup: add SPDX Apache-2.0 license identifier 2019-04-07 08:45:22 -04:00
Kconfig xtensa: make xtensa cache/uncache operations optional 2022-08-26 13:17:02 -04:00