summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/glue-pf.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/include/asm/glue-pf.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/glue-pf.h')
-rw-r--r--arch/arm/include/asm/glue-pf.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-pf.h b/arch/arm/include/asm/glue-pf.h
new file mode 100644
index 000000000..a033929fa
--- /dev/null
+++ b/arch/arm/include/asm/glue-pf.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/include/asm/glue-pf.h
+ *
+ * Copyright (C) 1997-1999 Russell King
+ * Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
+ */
+#ifndef ASM_GLUE_PF_H
+#define ASM_GLUE_PF_H
+
+#include <asm/glue.h>
+
+/*
+ * 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_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 v6_pabort
+# endif
+#endif
+
+#ifdef CONFIG_CPU_PABRT_V7
+# ifdef CPU_PABORT_HANDLER
+# define MULTI_PABORT 1
+# else
+# define CPU_PABORT_HANDLER v7_pabort
+# endif
+#endif
+
+#ifndef CPU_PABORT_HANDLER
+#error Unknown prefetch abort handler type
+#endif
+
+#endif