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-rw-r--r--firmware/target/arm/crt0-pp.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/firmware/target/arm/crt0-pp.S b/firmware/target/arm/crt0-pp.S
index b2e09fd690..85dd7f8b24 100644
--- a/firmware/target/arm/crt0-pp.S
+++ b/firmware/target/arm/crt0-pp.S
@@ -202,6 +202,7 @@ cpu_init:
ldr sp, =irq_stack
msr cpsr_c, #0xdb /* IRQ/FIQ disabled */
ldr sp, =irq_stack
+
/* Switch to supervisor mode */
msr cpsr_c, #0xd3
ldr sp, =stackend
@@ -246,6 +247,8 @@ cop_init:
msr cpsr_c, #0xdb /* IRQ/FIQ disabled */
ldr sp, =cop_irq_stack
+ /* Switch to supervisor mode */
+ msr cpsr_c, #0xd3
ldr sp, =cop_stackend
/* Run cop_main() in apps/main.c */