CRIS: Add architecture dependent bug.h for CRIS v10 and CRIS v32

1 files changed, 33 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v32/bug.h b/include/asm-cris/arch-v32/bug.h
new file mode 100644
index 00000000000..0f211e13524
--- /dev/null
+++ b/include/asm-cris/arch-v32/bug.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_CRISv32_ARCH_BUG_H
+#define __ASM_CRISv32_ARCH_BUG_H
+
+#include <linux/stringify.h>
+
+#ifdef CONFIG_BUG
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+/*
+ * The penalty for the in-band code path will be the size of break 14.
+ * All other stuff is done out-of-band with exception handlers.
+ */
+#define BUG()                                                           \
+        __asm__ __volatile__ ("0: break 14\n\t"                         \
+                              ".section .fixup,\"ax\"\n"                \
+                              "1:\n\t"                                  \
+                              "move.d %0, $r10\n\t"                     \
+                              "move.d %1, $r11\n\t"                     \
+                              "jump do_BUG\n\t"                         \
+                              "nop\n\t"                                 \
+                              ".previous\n\t"                           \
+                              ".section __ex_table,\"a\"\n\t"           \
+                              ".dword 0b, 1b\n\t"                       \
+                              ".previous\n\t"                           \
+                              : : "ri" (__FILE__), "i" (__LINE__))
+#else
+#define BUG() __asm__ __volatile__ ("break 14\n\t")
+#endif
+
+#define HAVE_ARCH_BUG
+#endif
+
+#include <asm-generic/bug.h>
+#endif