From 629d04f53045e5fa104dde4746996e4e974b97e9 Mon Sep 17 00:00:00 2001 From: John Tsichritzis Date: Mon, 3 Jun 2019 13:54:30 +0100 Subject: Apply compile-time check for AArch64-only cores Some cores support only AArch64 mode. In those cores, only a limited subset of the AArch32 system registers are implemented. Hence, if TF-A is supposed to run on AArch64-only cores, it must be compiled with CTX_INCLUDE_AARCH32_REGS=0. Currently, the default settings for compiling TF-A are with the AArch32 system registers included. So, if we compile TF-A the default way and attempt to run it on an AArch64-only core, we only get a runtime panic. Now a compile-time check has been added to ensure that this flag has the appropriate value when AArch64-only cores are included in the build. Change-Id: I298ec550037fafc9347baafb056926d149197d4c Signed-off-by: John Tsichritzis --- plat/arm/board/fvp/platform.mk | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) (limited to 'plat/arm') diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk index dbc5c21b..3cbdfbc4 100644 --- a/plat/arm/board/fvp/platform.mk +++ b/plat/arm/board/fvp/platform.mk @@ -96,8 +96,8 @@ FVP_CPU_LIBS := lib/cpus/${ARCH}/aem_generic.S ifeq (${ARCH}, aarch64) -# select a different set of CPU files, depending on whether we compile with -# hardware assisted coherency configurations or not +# select a different set of CPU files, depending on whether we compile for +# hardware assisted coherency cores or not ifeq (${HW_ASSISTED_COHERENCY}, 0) FVP_CPU_LIBS += lib/cpus/aarch64/cortex_a35.S \ lib/cpus/aarch64/cortex_a53.S \ @@ -105,14 +105,19 @@ ifeq (${HW_ASSISTED_COHERENCY}, 0) lib/cpus/aarch64/cortex_a72.S \ lib/cpus/aarch64/cortex_a73.S else - FVP_CPU_LIBS += lib/cpus/aarch64/cortex_a55.S \ - lib/cpus/aarch64/cortex_a75.S \ - lib/cpus/aarch64/cortex_a76.S \ - lib/cpus/aarch64/cortex_a76ae.S \ - lib/cpus/aarch64/neoverse_n1.S \ - lib/cpus/aarch64/neoverse_e1.S \ - lib/cpus/aarch64/cortex_deimos.S \ - lib/cpus/aarch64/neoverse_zeus.S + # AArch64-only cores + ifeq (${CTX_INCLUDE_AARCH32_REGS}, 0) + FVP_CPU_LIBS += lib/cpus/aarch64/cortex_a76.S \ + lib/cpus/aarch64/cortex_a76ae.S \ + lib/cpus/aarch64/neoverse_n1.S \ + lib/cpus/aarch64/neoverse_e1.S \ + lib/cpus/aarch64/cortex_deimos.S \ + lib/cpus/aarch64/neoverse_zeus.S + # AArch64/AArch32 + else + FVP_CPU_LIBS += lib/cpus/aarch64/cortex_a55.S \ + lib/cpus/aarch64/cortex_a75.S + endif endif else -- cgit v1.2.3