#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
#define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */
+
+#ifdef CONFIG_PPC64_ELF_ABI_V2
+#define STACK_FRAME_MIN_SIZE 32
+#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE + 16)
+#define STACK_INT_FRAME_REGS (STACK_FRAME_MIN_SIZE + 16)
+#define STACK_INT_FRAME_MARKER STACK_FRAME_MIN_SIZE
+#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE + 16)
+#define STACK_SWITCH_FRAME_REGS (STACK_FRAME_MIN_SIZE + 16)
+#else
+/*
+ * The ELFv1 ABI specifies 48 bytes plus a minimum 64 byte parameter save
+ * area. This parameter area is not used by calls to C from interrupt entry,
+ * so the second from last one of those is used for the frame marker.
+ */
+#define STACK_FRAME_MIN_SIZE 112
#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD)
#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD
#define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 16)
#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD)
#define STACK_SWITCH_FRAME_REGS STACK_FRAME_OVERHEAD
-
-#ifdef CONFIG_PPC64_ELF_ABI_V2
-#define STACK_FRAME_MIN_SIZE 32
-#else
-#define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD
#endif
/* Size of dummy stack frame allocated when calling signal handler. */