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![Chris Zankel](/assets/img/avatar_default.png)
The Xtensa processor architecture is a configurable, extensible, and synthesizable 32-bit RISC processor core provided by Tensilica, inc. This is the second part of the basic architecture port, adding the 'arch/xtensa' directory and a readme file. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
/*
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* Copyright (C) 1997 Tensilica Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _XTENSA_TYPES_H
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#define _XTENSA_TYPES_H
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typedef unsigned short umode_t;
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/*
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* __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
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* header files exported to user space
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*/
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typedef __signed__ char __s8;
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typedef unsigned char __u8;
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typedef __signed__ short __s16;
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typedef unsigned short __u16;
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typedef __signed__ int __s32;
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typedef unsigned int __u32;
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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typedef __signed__ long long __s64;
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typedef unsigned long long __u64;
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#endif
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/*
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* These aren't exported outside the kernel to avoid name space clashes
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*/
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#ifdef __KERNEL__
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typedef signed char s8;
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typedef unsigned char u8;
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typedef signed short s16;
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typedef unsigned short u16;
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typedef signed int s32;
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typedef unsigned int u32;
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typedef signed long long s64;
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typedef unsigned long long u64;
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#define BITS_PER_LONG 32
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/* Dma addresses are 32-bits wide */
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typedef u32 dma_addr_t;
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typedef unsigned long phys_addr_t;
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typedef unsigned long phys_size_t;
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#endif /* __KERNEL__ */
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#endif /* _XTENSA_TYPES_H */
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