Secondary cpus are put in WFE state. We do not support SMP at this time.
Signed-off-by: Ayan Kumar Halder <[email protected]>
---
xen/arch/arm/arm64/mpu/head.S | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/xen/arch/arm/arm64/mpu/head.S b/xen/arch/arm/arm64/mpu/head.S
index 2b023c346a..1579ac0408 100644
--- a/xen/arch/arm/arm64/mpu/head.S
+++ b/xen/arch/arm/arm64/mpu/head.S
@@ -68,3 +68,12 @@ ENTRY(enable_boot_cpu_mm)
ret
ENDPROC(enable_boot_cpu_mm)
+
+/*
+ * Secondary cpu has not yet been supported on MPU systems. We will block the
+ * secondary cpu bringup at this stage.
+ */
+ENTRY(enable_secondary_cpu_mm)
+1: wfe
+ b 1b
+ENDPROC(enable_secondary_cpu_mm)
--
2.25.1
