Arm64 fix a bug of vbar_el3 initialization

Signed-off-by: David Feng <fenghua@phytium.com.cn>

diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index 33d3f3688ae83bc45f13a79e12c84a0848d20d05..4b11aa4f22272cfa1766b0482ff8b1797e15db6e 100644 (file)
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -50,10 +50,10 @@ reset:
         */
        adr     x0, vectors
        switch_el x1, 3f, 2f, 1f
-3:     mrs     x0, scr_el3
+3:     msr     vbar_el3, x0
+       mrs     x0, scr_el3
        orr     x0, x0, #0xf                    /* SCR_EL3.NS|IRQ|FIQ|EA */
        msr     scr_el3, x0
-       msr     vbar_el3, x0
        msr     cptr_el3, xzr                   /* Enable FP/SIMD */
        ldr     x0, =COUNTER_FREQUENCY
        msr     cntfrq_el0, x0                  /* Initialize CNTFRQ */