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-rw-r--r--kernel/sys/kernel.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sys/kernel.S b/kernel/sys/kernel.S
index 71b22a1..df55cc1 100644
--- a/kernel/sys/kernel.S
+++ b/kernel/sys/kernel.S
@@ -19,6 +19,11 @@ kernel_main:
mov r0, #0x80000000
mcr p15, 0, r0, c9, c12, 1
+ // Allow access to CNTKCTL from PL0
+ mrc p15, 0, r0, c14, c1, 0
+ orr r0, #1
+ mcr p15, 0, r0, c14, c1, 0
+
// Intentional undefined instruction
// .word 0xf7f0a000
cpsie ai, #0x10