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diff --git a/share/mk/bsd.cpu.mk b/share/mk/bsd.cpu.mk
--- a/share/mk/bsd.cpu.mk
+++ b/share/mk/bsd.cpu.mk
@@ -6,7 +6,7 @@
.if !defined(CPUTYPE) || empty(CPUTYPE)
_CPUCFLAGS =
. if ${MACHINE_CPUARCH} == "aarch64"
-MACHINE_CPU = arm64
+MACHINE_CPU = arm64 cortexa53
. elif ${MACHINE_CPUARCH} == "amd64"
MACHINE_CPU = amd64 sse2 sse mmx
. elif ${MACHINE_CPUARCH} == "arm"
@@ -124,6 +124,14 @@
. elif ${MACHINE_ARCH:Mpowerpc64*} != ""
_CPUCFLAGS = -mcpu=${CPUTYPE}
. elif ${MACHINE_CPUARCH} == "aarch64"
+MACHINE_CPU = arm64
+. if ${CPUTYPE} == "generic"
+MACHINE_CPU += cortexa53
+. elif ${CPUTYPE} == "armv8-a"
+MACHINE_CPU += cortexa53
+. elif ${CPUTYPE:M*cortex-a53*} != ""
+MACHINE_CPU += cortexa53
+. endif
. if ${CPUTYPE:Marmv*} != ""
# Use -march when the CPU type is an architecture value, e.g. armv8.1-a
_CPUCFLAGS = -march=${CPUTYPE}
@@ -302,6 +310,14 @@
. endif
.endif
+########## arm64/aarch64
+.if ${MACHINE_CPUARCH} == "aarch64"
+# Add the Cortex-A53 erratum 843419 workaround if we are targeting it.
+. if ${MACHINE_CPU:Mcortexa53} != ""
+LDFLAGS += -Wl,--fix-cortex-a53-843419
+. endif
+.endif
+
########## arm
.if ${MACHINE_CPUARCH} == "arm"
MACHINE_CPU += arm

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