Use subsectors instead of sectors in keystore.

1 files changed, 14 insertions, 0 deletions

diff --git a/hal_internal.h b/hal_internal.h
index ade908f..2318748 100644
--- a/hal_internal.h
+++ b/hal_internal.h
@@ -69,6 +69,20 @@ inline uint32_t htonl(uint32_t w)
 #endif
 
 /*
+ * Static memory allocation on start-up.  Don't use this except where
+ * really necessary.  By design, there's no way to free this, we don't
+ * want to have to manage a heap.  Intent is just to allow allocation
+ * things like the large-ish ks_index arrays used by ks_flash.c from a
+ * memory source external to the executable image file (eg, from the
+ * secondary SDRAM chip on the Cryptech Alpha board).
+ *
+ * We shouldn't need this except on the HSM, so for now we don't bother
+ * with implementing a version of this based on malloc() or sbrk().
+ */
+
+extern void *hal_allocate_static_memory(const size_t size);
+
+/*
  * Longest hash block and digest we support at the moment.
  */