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, 78 insertions, 0 deletions

diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
new file mode 100644
index 00000000000..af8e70e2a0c
--- /dev/null
+++ b/arch/tile/lib/exports.c
@@ -0,0 +1,78 @@
+/*
+ * 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.
+ *
+ * Exports from assembler code and from libtile-cc.
+ */
+
+#include <linux/module.h>
+
+/* arch/tile/lib/usercopy.S */
+#include <linux/uaccess.h>
+EXPORT_SYMBOL(__get_user_1);
+EXPORT_SYMBOL(__get_user_2);
+EXPORT_SYMBOL(__get_user_4);
+EXPORT_SYMBOL(__put_user_1);
+EXPORT_SYMBOL(__put_user_2);
+EXPORT_SYMBOL(__put_user_4);
+EXPORT_SYMBOL(__put_user_8);
+EXPORT_SYMBOL(strnlen_user_asm);
+EXPORT_SYMBOL(strncpy_from_user_asm);
+EXPORT_SYMBOL(clear_user_asm);
+
+/* arch/tile/kernel/entry.S */
+#include <linux/kernel.h>
+#include <asm/processor.h>
+EXPORT_SYMBOL(current_text_addr);
+EXPORT_SYMBOL(dump_stack);
+
+/* arch/tile/lib/__memcpy.S */
+/* NOTE: on TILE64, these symbols appear in arch/tile/lib/memcpy_tile64.c */
+EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(__copy_to_user_inatomic);
+EXPORT_SYMBOL(__copy_from_user_inatomic);
+EXPORT_SYMBOL(__copy_from_user_zeroing);
+
+/* hypervisor glue */
+#include <hv/hypervisor.h>
+EXPORT_SYMBOL(hv_dev_open);
+EXPORT_SYMBOL(hv_dev_pread);
+EXPORT_SYMBOL(hv_dev_pwrite);
+EXPORT_SYMBOL(hv_dev_close);
+
+/* -ltile-cc */
+uint32_t __udivsi3(uint32_t dividend, uint32_t divisor);
+EXPORT_SYMBOL(__udivsi3);
+int32_t __divsi3(int32_t dividend, int32_t divisor);
+EXPORT_SYMBOL(__divsi3);
+uint64_t __udivdi3(uint64_t dividend, uint64_t divisor);
+EXPORT_SYMBOL(__udivdi3);
+int64_t __divdi3(int64_t dividend, int64_t divisor);
+EXPORT_SYMBOL(__divdi3);
+uint32_t __umodsi3(uint32_t dividend, uint32_t divisor);
+EXPORT_SYMBOL(__umodsi3);
+int32_t __modsi3(int32_t dividend, int32_t divisor);
+EXPORT_SYMBOL(__modsi3);
+uint64_t __umoddi3(uint64_t dividend, uint64_t divisor);
+EXPORT_SYMBOL(__umoddi3);
+int64_t __moddi3(int64_t dividend, int64_t divisor);
+EXPORT_SYMBOL(__moddi3);
+#ifndef __tilegx__
+uint64_t __ll_mul(uint64_t n0, uint64_t n1);
+EXPORT_SYMBOL(__ll_mul);
+#endif
+#ifndef __tilegx__
+int64_t __muldi3(int64_t, int64_t);
+EXPORT_SYMBOL(__muldi3);
+uint64_t __lshrdi3(uint64_t, unsigned int);
+EXPORT_SYMBOL(__lshrdi3);
+#endif