Introduce framework for CPU specific operations
This patch introduces a framework which will allow CPUs to perform
implementation defined actions after a CPU reset, during a CPU or cluster power
down, and when a crash occurs. CPU specific reset handlers have been implemented
in this patch. Other handlers will be implemented in subsequent patches.
Also moved cpu_helpers.S to the new directory lib/cpus/aarch64/.
Change-Id: I1ca1bade4d101d11a898fb30fea2669f9b37b956
diff --git a/bl1/bl1.ld.S b/bl1/bl1.ld.S
index 0ca4a63..8092396 100644
--- a/bl1/bl1.ld.S
+++ b/bl1/bl1.ld.S
@@ -50,10 +50,23 @@
*bl1_entrypoint.o(.text*)
*(.text*)
*(.rodata*)
+
+ /*
+ * Ensure 8-byte alignment for cpu_ops so that its fields are also
+ * aligned. Also ensure cpu_ops inclusion.
+ */
+ . = ALIGN(8);
+ __CPU_OPS_START__ = .;
+ KEEP(*(cpu_ops))
+ __CPU_OPS_END__ = .;
+
*(.vectors)
__RO_END__ = .;
} >ROM
+ ASSERT(__CPU_OPS_END__ > __CPU_OPS_START__,
+ "cpu_ops not defined for this platform.")
+
/*
* The .data section gets copied from ROM to RAM at runtime.
* Its LMA must be 16-byte aligned.