Fixup `SMCCC_ARCH_FEATURES` semantics
When querying `SMCCC_ARCH_WORKAROUND_1` through `SMCCC_ARCH_FEATURES`,
return either:
* -1 to indicate the PE on which `SMCCC_ARCH_FEATURES` is called
requires firmware mitigation for CVE-2017-5715 but the mitigation
is not compiled in.
* 0 to indicate that firmware mitigation is required, or
* 1 to indicate that no firmware mitigation is required.
This patch complies with v1.2 of the firmware interfaces
specification (ARM DEN 0070A).
Change-Id: Ibc32d6620efdac6c340758ec502d95554a55f02a
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
diff --git a/bl31/bl31.mk b/bl31/bl31.mk
index 886d301..0e47ddf 100644
--- a/bl31/bl31.mk
+++ b/bl31/bl31.mk
@@ -61,8 +61,8 @@
endif
ifeq (${WORKAROUND_CVE_2017_5715},1)
-BL31_SOURCES += lib/cpus/aarch64/workaround_cve_2017_5715_mmu.S \
- lib/cpus/aarch64/workaround_cve_2017_5715_bpiall.S
+BL31_SOURCES += lib/cpus/aarch64/workaround_cve_2017_5715_bpiall.S \
+ lib/cpus/aarch64/workaround_cve_2017_5715_mmu.S
endif
BL31_LINKERFILE := bl31/bl31.ld.S