refactor

targets/stm32l442/src/memory_layout.h

@@ -0,0 +1,33 @@
+#ifndef _MEMORY_LAYOUT_H_
+#define _MEMORY_LAYOUT_H_
+
+#define PAGE_SIZE		2048
+#define PAGES			128
+
+// Pages 119-127 are data
+// Location of counter page and it's backup page
+// The flash is wear leveled and counter should be fault tolerant
+#define	COUNTER2_PAGE	(PAGES - 4)
+#define	COUNTER1_PAGE	(PAGES - 3)
+
+// State of FIDO2 application
+#define	STATE2_PAGE		(PAGES - 2)
+#define	STATE1_PAGE		(PAGES - 1)
+
+// Storage of FIDO2 resident keys
+#define RK_NUM_PAGES    10
+#define RK_START_PAGE   (PAGES - 14)
+#define RK_END_PAGE     (PAGES - 14 + RK_NUM_PAGES)
+
+// Start of application code
+#define APPLICATION_START_PAGE	(16)
+#define APPLICATION_START_ADDR	flash_addr(APPLICATION_START_PAGE)
+
+// End of application code.  Leave some extra room for future data storage.
+#define APPLICATION_END_PAGE	((PAGES - 19))					         // 119 is NOT included in application
+#define APPLICATION_END_ADDR	(flash_addr(APPLICATION_END_PAGE)-8)     // NOT included in application
+
+// Bootloader state.
+#define AUTH_WORD_ADDR          (flash_addr(APPLICATION_END_PAGE)-8)
+
+#endif