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dp-arm d832aee900 aarch64: Enable Statistical Profiling Extensions for lower ELs 
SPE is only supported in non-secure state.  Accesses to SPE specific
registers from SEL1 will trap to EL3.  During a world switch, before
`TTBR` is modified the SPE profiling buffers are drained.  This is to
avoid a potential invalid memory access in SEL1.

SPE is architecturally specified only for AArch64.

Change-Id: I04a96427d9f9d586c331913d815fdc726855f6b0
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
 		2017-06-22 10:33:19 +01:00
..
aarch32 Fully initialise essential control registers 2017-06-21 17:57:54 +01:00
aarch64 aarch64: Enable Statistical Profiling Extensions for lower ELs 2017-06-22 10:33:19 +01:00
cpus include: add U()/ULL() macros for constants 2017-06-14 17:00:30 -07:00
el3_runtime aarch64: Enable Statistical Profiling Extensions for lower ELs 2017-06-22 10:33:19 +01:00
libfdt libfdt: Replace v1.4.1 by v1.4.2 2017-01-16 17:26:04 +00:00
pmf Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
psci include: add U()/ULL() macros for constants 2017-06-14 17:00:30 -07:00
stdlib Fix stdlib defines for AArch32 2017-06-09 14:47:52 +01:00
xlat_tables include: add U()/ULL() macros for constants 2017-06-14 17:00:30 -07:00
bakery_lock.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
cassert.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
mmio.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
runtime_instr.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
semihosting.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
smcc.h include: add U()/ULL() macros for constants 2017-06-14 17:00:30 -07:00
spinlock.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
utils.h Use SPDX license identifiers 2017-05-03 09:39:28 +01:00
utils_def.h Add U() macro to share constants between C and other sources 2017-06-14 16:58:46 -07:00