Changeset a03b609 in mainline for kernel/arch/arm32/src/exception.c

Timestamp:

2013-01-19T18:17:27Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

26e3db2

Parents:

827aae5

Message:

arm32: Convert sctlr use to cp15 helpers.

File:

• kernel/arch/arm32/src/exception.c (modified) (2 diffs)

kernel/arch/arm32/src/exception.c

@@ -39 +39 @@
 #include <interrupt.h>
 #include <arch/mm/page_fault.h>
+#include <arch/cp15.h>
 #include <arch/barrier.h>
 #include <print.h>
@@ -136 +137 @@
 static void high_vectors(void)
 {
-        uint32_t control_reg = 0;
-        asm volatile (
-                "mrc p15, 0, %[control_reg], c1, c0"
-                : [control_reg] "=r" (control_reg)
-        );
+        uint32_t control_reg = SCTLR_read();
         
         /* switch on the high vectors bit */
-        control_reg |= CP15_R1_HIGH_VECTORS_EN;
-        
-        asm volatile (
-                "mcr p15, 0, %[control_reg], c1, c0"
-                :: [control_reg] "r" (control_reg)
-        );
+        control_reg |= SCTLR_HIGH_VECTORS_EN_FLAG;
+        
+        SCTLR_write(control_reg);
 }
 #endif