Remove unnecessary ldr from boot wrapper

We currently do an ldr from GICC_CTLR to w0, then immediately overwrite
w0 with a mov. Reading the GICC_CTLR has no effect on the state of the
GIC, so there's no reason to do the ldr. It's also inconsistent with the
way we set the GICD_CTLR.

Fix this.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>

diff --git a/boot.S b/boot.S
index a1f25e2b5f4108fc41b654e767a5b5ef3209b01e..7c28e84b265ba5e0d60b1ec41be05750b79b0231 100644 (file)
--- a/boot.S
+++ b/boot.S
@@ -49,7 +49,6 @@ _start:
        str     w0, [x1], #4
 
 2:     ldr     x1, =GIC_CPU_BASE               // GICC_CTLR
-       ldr     w0, [x1]
        mov     w0, #3                          // EnableGrp0 | EnableGrp1
        str     w0, [x1]