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Antonio Nino Diaz 9d93fc2f89 BL2: Enable pointer authentication support 
The size increase after enabling options related to ARMv8.3-PAuth is:

+----------------------------+-------+-------+-------+--------+
|                            |  text |  bss  |  data | rodata |
+----------------------------+-------+-------+-------+--------+
| CTX_INCLUDE_PAUTH_REGS = 1 |   +40 |   +0  |   +0  |   +0   |
|                            |  0.2% |       |       |        |
+----------------------------+-------+-------+-------+--------+
| ENABLE_PAUTH = 1           |  +664 |   +0  |  +16  |   +0   |
|                            |  3.1% |       |  0.9% |        |
+----------------------------+-------+-------+-------+--------+

Results calculated with the following build configuration:

    make PLAT=fvp SPD=tspd DEBUG=1 \
    SDEI_SUPPORT=1                 \
    EL3_EXCEPTION_HANDLING=1       \
    TSP_NS_INTR_ASYNC_PREEMPT=1    \
    CTX_INCLUDE_PAUTH_REGS=1       \
    ENABLE_PAUTH=1

The changes for BL2_AT_EL3 aren't done in this commit.

Change-Id: I8c803b40c7160525a06173bc6cdca21c4505837d
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
 		2019-02-27 11:58:09 +00:00
..
bl2_arch_setup.c Fix MISRA rule 8.4 in common code 2018-02-28 17:18:46 +00:00
bl2_el3_entrypoint.S Sanitise includes across codebase 2019-01-04 10:43:17 +00:00
bl2_el3_exceptions.S Sanitise includes across codebase 2019-01-04 10:43:17 +00:00
bl2_entrypoint.S BL2: Enable pointer authentication support 2019-02-27 11:58:09 +00:00