Changeset 297fda2c in mainline

Timestamp:

2013-01-20T17:46:12Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

a202dbb

Parents:

33d394a

Message:

arm32: Implement smc_coherence_block.

File:

• kernel/arch/arm32/include/barrier.h (modified) (1 diff)

kernel/arch/arm32/include/barrier.h

@@ -113 +113 @@
         inst_barrier();              /* Wait for Inst refetch */\
 } while (0)
-// TODO: Implement blocks
-#define smc_coherence_block(a, l) smc_coherence(a)
+//TODO would be better to use cacheline size here
+#define smc_coherence_block(a, l) \
+do { \
+        for (uintptr_t addr = (uintptr_t)a; addr < (uintptr_t)a + l; addr += 4)\
+                smc_coherence(addr); \
+} while (0)
 #else
 #define smc_coherence(a)
-#define smc_coherence_block(a, l) smc_coherence(a)
+#define smc_coherence_block(a, l)
 #endif