arch/tile: core support for Tilera 32-bit chips.

This change is the core kernel support for TILEPro and TILE64 chips.
No driver support (except the console driver) is included yet.

This includes the relevant Linux headers in asm/; the low-level
low-level "Tile architecture" headers in arch/, which are
shared with the hypervisor, etc., and are build-system agnostic;
and the relevant hypervisor headers in hv/.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h
new file mode 100644
index 0000000..e1be54d
--- /dev/null
+++ b/arch/tile/include/asm/syscalls.h
@@ -0,0 +1,60 @@
+/*
+ * syscalls.h - Linux syscall interfaces (arch-specific)
+ *
+ * Copyright (c) 2008 Jaswinder Singh Rajput
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   as published by the Free Software Foundation, version 2.
+ *
+ *   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, GOOD TITLE or
+ *   NON INFRINGEMENT.  See the GNU General Public License for
+ *   more details.
+ */
+
+#ifndef _ASM_TILE_SYSCALLS_H
+#define _ASM_TILE_SYSCALLS_H
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/signal.h>
+#include <linux/types.h>
+
+/* kernel/process.c */
+int sys_fork(struct pt_regs *);
+int sys_vfork(struct pt_regs *);
+int sys_clone(unsigned long clone_flags, unsigned long newsp,
+	      int __user *parent_tidptr, int __user *child_tidptr,
+	      struct pt_regs *);
+int sys_execve(char __user *path, char __user *__user *argv,
+	       char __user *__user *envp, struct pt_regs *);
+
+/* kernel/signal.c */
+int sys_sigaltstack(const stack_t __user *, stack_t __user *,
+		    struct pt_regs *);
+long sys_rt_sigreturn(struct pt_regs *);
+int sys_raise_fpe(int code, unsigned long addr, struct pt_regs*);
+
+/* kernel/sys.c */
+ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count);
+long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
+		     u32 len, int advice);
+int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
+		       u32 len_lo, u32 len_hi, int advice);
+long sys_flush_cache(void);
+long sys_mmap(unsigned long addr, unsigned long len,
+	      unsigned long prot, unsigned long flags,
+	      unsigned long fd, unsigned long offset);
+long sys_mmap2(unsigned long addr, unsigned long len,
+	       unsigned long prot, unsigned long flags,
+	       unsigned long fd, unsigned long offset);
+
+#ifndef __tilegx__
+/* mm/fault.c */
+int sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
+#endif
+
+#endif /* _ASM_TILE_SYSCALLS_H */