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-rw-r--r--arch/arm/include/asm/glue.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/arm/include/asm/glue.h b/arch/arm/include/asm/glue.h
index a0e39d5d00c..234a3fc1c78 100644
--- a/arch/arm/include/asm/glue.h
+++ b/arch/arm/include/asm/glue.h
@@ -120,25 +120,39 @@
#endif
/*
- * Prefetch abort handler. If the CPU has an IFAR use that, otherwise
- * use the address of the aborted instruction
+ * Prefetch Abort Model
+ * ================
+ *
+ * We have the following to choose from:
+ * legacy - no IFSR, no IFAR
+ * v6 - ARMv6: IFSR, no IFAR
+ * v7 - ARMv7: IFSR and IFAR
*/
+
#undef CPU_PABORT_HANDLER
#undef MULTI_PABORT
-#ifdef CONFIG_CPU_PABRT_IFAR
+#ifdef CONFIG_CPU_PABRT_LEGACY
+# ifdef CPU_PABORT_HANDLER
+# define MULTI_PABORT 1
+# else
+# define CPU_PABORT_HANDLER legacy_pabort
+# endif
+#endif
+
+#ifdef CONFIG_CPU_PABRT_V6
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
-# define CPU_PABORT_HANDLER(reg, insn) mrc p15, 0, reg, cr6, cr0, 2
+# define CPU_PABORT_HANDLER v6_pabort
# endif
#endif
-#ifdef CONFIG_CPU_PABRT_NOIFAR
+#ifdef CONFIG_CPU_PABRT_V7
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
-# define CPU_PABORT_HANDLER(reg, insn) mov reg, insn
+# define CPU_PABORT_HANDLER v7_pabort
# endif
#endif