arm64: Miscellaneous header files

This patch introduces a few AArch64-specific header files together with
Kbuild entries for generic headers.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm64/include/asm/system_misc.h b/arch/arm64/include/asm/system_misc.h
new file mode 100644
index 000000000000..95e407255347
--- /dev/null
+++ b/arch/arm64/include/asm/system_misc.h
@@ -0,0 +1,54 @@
+/*
+ * Based on arch/arm/include/asm/system_misc.h
+ *
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_SYSTEM_MISC_H
+#define __ASM_SYSTEM_MISC_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/irqflags.h>
+
+struct pt_regs;
+
+void die(const char *msg, struct pt_regs *regs, int err);
+
+struct siginfo;
+void arm64_notify_die(const char *str, struct pt_regs *regs,
+                      struct siginfo *info, int err);
+
+void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
+                                             struct pt_regs *),
+                           int sig, int code, const char *name);
+
+struct mm_struct;
+extern void show_pte(struct mm_struct *mm, unsigned long addr);
+extern void __show_regs(struct pt_regs *);
+
+void soft_restart(unsigned long);
+extern void (*pm_restart)(const char *cmd);
+
+#define UDBG_UNDEFINED  (1 << 0)
+#define UDBG_SYSCALL    (1 << 1)
+#define UDBG_BADABORT   (1 << 2)
+#define UDBG_SEGV       (1 << 3)
+#define UDBG_BUS        (1 << 4)
+
+#endif  /* __ASSEMBLY__ */
+
+#endif  /* __ASM_SYSTEM_MISC_H */