Merge pull request #1510 from robertovargas-arm/romlib

Add support for moving libraries to ROM

include/plat/arm/board/common/board_arm_def.h

@@ -71,9 +71,12 @@
 #elif defined(IMAGE_BL32)
 # define PLAT_ARM_MMAP_ENTRIES		8
 # define MAX_XLAT_TABLES		5
-#else
+#elif !USE_ROMLIB
 # define PLAT_ARM_MMAP_ENTRIES		11
 # define MAX_XLAT_TABLES		5
+#else
+# define PLAT_ARM_MMAP_ENTRIES		12
+# define MAX_XLAT_TABLES		6
 #endif
 
 /*
@@ -82,6 +85,18 @@
  */
 #define PLAT_ARM_MAX_BL1_RW_SIZE	0xB000
 
+/*
+ * PLAT_ARM_MAX_ROMLIB_RW_SIZE is define to use a full page
+ */
+
+#if USE_ROMLIB
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE	0x1000
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE	0xe000
+#else
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE	0
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE	0
+#endif
+
 /*
  * PLAT_ARM_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a
  * little space for growth.

include/plat/arm/common/arm_def.h

@@ -268,6 +268,17 @@
 							- BL_COHERENT_RAM_BASE, \
 						MT_DEVICE | MT_RW | MT_SECURE)
 #endif
+#if USE_ROMLIB
+#define ARM_MAP_ROMLIB_CODE		MAP_REGION_FLAT(			\
+						ROMLIB_RO_BASE,			\
+						ROMLIB_RO_LIMIT	- ROMLIB_RO_BASE,\
+						MT_CODE | MT_SECURE)
+
+#define ARM_MAP_ROMLIB_DATA		MAP_REGION_FLAT(			\
+						ROMLIB_RW_BASE,			\
+						ROMLIB_RW_END	- ROMLIB_RW_BASE,\
+						MT_MEMORY | MT_RW | MT_SECURE)
+#endif
 
 /*
  * The max number of regions like RO(code), coherent and data required by
@@ -346,14 +357,23 @@
  ******************************************************************************/
 #define BL1_RO_BASE			PLAT_ARM_TRUSTED_ROM_BASE
 #define BL1_RO_LIMIT			(PLAT_ARM_TRUSTED_ROM_BASE	\
-					 + PLAT_ARM_TRUSTED_ROM_SIZE)
+					 + (PLAT_ARM_TRUSTED_ROM_SIZE - \
+					    PLAT_ARM_MAX_ROMLIB_RO_SIZE))
 /*
  * Put BL1 RW at the top of the Trusted SRAM.
  */
 #define BL1_RW_BASE			(ARM_BL_RAM_BASE +		\
 						ARM_BL_RAM_SIZE -	\
-						PLAT_ARM_MAX_BL1_RW_SIZE)
-#define BL1_RW_LIMIT			(ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
+						(PLAT_ARM_MAX_BL1_RW_SIZE +\
+						 PLAT_ARM_MAX_ROMLIB_RW_SIZE))
+#define BL1_RW_LIMIT			(ARM_BL_RAM_BASE + 		\
+					    (ARM_BL_RAM_SIZE - PLAT_ARM_MAX_ROMLIB_RW_SIZE))
+
+#define ROMLIB_RO_BASE			BL1_RO_LIMIT
+#define ROMLIB_RO_LIMIT			(PLAT_ARM_TRUSTED_ROM_BASE + PLAT_ARM_TRUSTED_ROM_SIZE)
+
+#define ROMLIB_RW_BASE			(BL1_RW_BASE + PLAT_ARM_MAX_BL1_RW_SIZE)
+#define ROMLIB_RW_END			(ROMLIB_RW_BASE + PLAT_ARM_MAX_ROMLIB_RW_SIZE)
 
 /*******************************************************************************
  * BL2 specific defines.