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-rw-r--r--src/arch/ppc/lib/c_start.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/arch/ppc/lib/c_start.S b/src/arch/ppc/lib/c_start.S
index 3fcf840615..d0d2a8f3d7 100644
--- a/src/arch/ppc/lib/c_start.S
+++ b/src/arch/ppc/lib/c_start.S
@@ -17,6 +17,8 @@
_start:
/*
* init stack pointer to real ram now that memory is on
+ * Note: We use the last 8 bytes on the stack to hold struct cpu_info,
+ * Which are initialized to zero as we clear the stack.
*/
li r0, 0
lis r1, _estack@ha