[PING] Re: [RFC][PATCH, ARM 5/8] ARMv8-M Security Extension's cmse_nonsecure_entry: clear registers

On 26/12/15 01:54, Thomas Preud'homme wrote: [Sending on behalf of Andre Vieira] Hello, This patch extends support for the ARMv8-M Security Extensions 'cmse_nonsecure_entry' attribute to safeguard against leak of information through unbanked registers. When returning from a nonsecure entry

[RFC][PATCH, ARM 5/8] ARMv8-M Security Extension's cmse_nonsecure_entry: clear registers

[Sending on behalf of Andre Vieira] Hello, This patch extends support for the ARMv8-M Security Extensions 'cmse_nonsecure_entry' attribute to safeguard against leak of information through unbanked registers. When returning from a nonsecure entry function we clear all caller-saved registers