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arm-trusted-firmware/bl31
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Dimitris Papastamos 3a1b0676c7 Implement support for SMCCC v1.1 
SMCCC v1.1 comes with a relaxed calling convention for AArch64
callers.  The caller only needs to save x0-x3 before doing an SMC
call.

This patch adds support for SMCCC_VERSION and SMCCC_ARCH_FEATURES.

Refer to "Firmware Interfaces for mitigating CVE_2017_5715 System
Software on Arm Systems"[0] for more information.

[0] https://developer.arm.com/-/media/developer/pdf/ARM%20DEN%200070A%20Firmware%20interfaces%20for%20mitigating%20CVE-2017-5715_V1.0.pdf

Change-Id: If5b1c55c17d6c5c7cb9c2c3ed355d3a91cdad0a9
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
2018-01-29 09:58:57 +00:00
..
aarch64 runtime_exceptions: Save x4-x29 unconditionally 2018-01-29 09:58:57 +00:00
bl31.ld.S Replace magic numbers in linkerscripts by PAGE_SIZE 2017-11-29 12:09:52 +00:00
bl31.mk Implement support for SMCCC v1.1 2018-01-29 09:58:57 +00:00
bl31_context_mgmt.c Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
bl31_main.c BL31: Introduce Exception Handling Framework 2017-11-13 07:49:30 +00:00
ehf.c BL31: Program Priority Mask for SMC handling 2017-11-13 07:49:30 +00:00
interrupt_mgmt.c Use SPDX license identifiers 2017-05-03 09:39:28 +01:00