Disable the data alignment check.

2019-04-01 14:21:59 +08:00 · 2019-04-01 14:21:59 +08:00 · b10039f396
parent fbd40fc5b8
commit b10039f396
1 changed files with 5 additions and 0 deletions
--- a/libcpu/arm/cortex-a/start_gcc.S
+++ b/libcpu/arm/cortex-a/start_gcc.S
@ -51,6 +51,11 @@ _reset:
    /* set the cpu to SVC32 mode and disable interrupt */
    cps #Mode_SVC

+    /* disable the data alignment check */
+    mrc p15, 0, r1, c1, c0, 0
+    bic r1, #(1<<1)
+    mcr p15, 0, r1, c1, c0, 0
+
    /* setup stack */
    bl      stack_setup