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ARC: Add support for ARC architecture

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Xorg server could be built for and run on Synopsys DesignWare ARC cores.
These changes are required for successful building and execution of the server.

Both little-endian and big-endian flavors of ARC cores are supported.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Egbert Eich <eich@freedesktop.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Alexey Brodkin 2014-05-01 15:39:29 +03:00 committed by Keith Packard
parent 01e18af17f
commit c08d2b8ccb
3 changed files with 17 additions and 3 deletions
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4
hw/xfree86/common/compiler.h
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@ -1352,7 +1352,7 @@ stl_u(unsigned long val, unsigned int *p)
#else /* ix86 */
#if !defined(__SUNPRO_C)
#if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__) && !defined(__aarch64__)
#if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__) && !defined(__aarch64__) && !defined(__arc__)
#ifdef GCCUSESGAS
/*
@ -1454,7 +1454,7 @@ inl(unsigned short port)
#endif /* GCCUSESGAS */
#else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) */
#else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) && !defined(__arc__) */
static __inline__ void
outb(unsigned short port, unsigned char val)

3
hw/xfree86/os-support/linux/lnx_video.c
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@ -59,7 +59,8 @@ static Bool ExtendedEnabled = FALSE;
!defined(__mips__) && \
!defined(__nds32__) && \
!defined(__arm__) && \
!defined(__aarch64__)
!defined(__aarch64__) && \
!defined(__arc__)
/*
* Due to conflicts with "compiler.h", don't rely on <sys/io.h> to declare

13
include/servermd.h
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@ -300,6 +300,19 @@ SOFTWARE.
#endif /* __aarch64__ */
#if defined(__arc__)
#if defined(__BIG_ENDIAN__)
#define IMAGE_BYTE_ORDER MSBFirst
#define BITMAP_BIT_ORDER MSBFirst
#else
#define IMAGE_BYTE_ORDER LSBFirst
#define BITMAP_BIT_ORDER LSBFirst
#endif
#define GLYPHPADBYTES 4
#endif /* ARC */
/* size of buffer to use with GetImage, measured in bytes. There's obviously
* a trade-off between the amount of heap used and the number of times the
* ddx routine has to be called.