Hugues de Valon ce9818f2b7 Add a new ABI to support cmse_nonsecure_call ... This commit adds a new ABI to be selected via `extern "C-cmse-nonsecure-call"` on function pointers in order for the compiler to apply the corresponding cmse_nonsecure_call callsite attribute. For Armv8-M targets supporting TrustZone-M, this will perform a non-secure function call by saving, clearing and calling a non-secure function pointer using the BLXNS instruction. See the page on the unstable book for details. Signed-off-by: Hugues de Valon <hugues.devalon@arm.com>		2021-02-02 13:04:31 +00:00
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cmse-nonsecure-call	Add a new ABI to support cmse_nonsecure_call	2021-02-02 13:04:31 +00:00
cmse-nonsecure-entry	Add a new ABI to support cmse_nonsecure_call	2021-02-02 13:04:31 +00:00