Blackfin arch: Extend sram malloc to handle L2 SRAM.
Extend system call to alloc L2 SRAM in application.
Automatically move following sections to L2 SRAM:
1. kernel built-in l2 attribute section
2. kernel module l2 attribute section
3. elf-fdpic application l2 attribute section
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/include/asm-blackfin/elf.h b/include/asm-blackfin/elf.h
index 30303fc..67a03a8 100644
--- a/include/asm-blackfin/elf.h
+++ b/include/asm-blackfin/elf.h
@@ -15,6 +15,8 @@
#define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */
#define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */
#define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */
+#define EF_BFIN_CODE_IN_L2 0x00000040 /* --code-in-l2 */
+#define EF_BFIN_DATA_IN_L2 0x00000080 /* --data-in-l2 */
typedef unsigned long elf_greg_t;