Update buidlroot to version 2016.08.1
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@@ -0,0 +1,56 @@
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From 2e3dd0040e676530f7e735fab335ff449b9b3f4d Mon Sep 17 00:00:00 2001
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From: Lauren Post <lauren.post@freescale.com>
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Date: Tue, 22 Mar 2016 22:08:25 +0100
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Subject: [PATCH] Add ARM support into xf86drm.h
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This provides support for Xorg interface. Without this the vivante
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samples will hang during close requiring a reboot
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[Adapted from yocto project]
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Upstream-Status: Pending
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Signed-off-by: Lauren Post <lauren.post@freescale.com>
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Signed-off-by: Evan Kotara <evan.kotara@freescale.com>
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[Thomas: change CAS code to only be used on ARMv6/ARMv7, and not
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ARMv4/ARMv5, which don't support ldrex/strex. If no CAS implementation
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is provided libdrm falls back to a system call for locking/unlocking.]
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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xf86drm.h | 22 ++++++++++++++++++++++
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1 file changed, 22 insertions(+)
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diff --git a/xf86drm.h b/xf86drm.h
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index 481d882..72341f6 100644
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--- a/xf86drm.h
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+++ b/xf86drm.h
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@@ -469,6 +469,28 @@ do { register unsigned int __old __asm("o0"); \
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: "cr0", "memory"); \
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} while (0)
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+# elif defined (__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
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+ || defined (__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \
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+ || defined (__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) \
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+ || defined (__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
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+ || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
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+ || defined(__ARM_ARCH_7EM__)
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+ #undef DRM_DEV_MODE
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+ #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
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+
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+ #define DRM_CAS(lock,old,new,__ret) \
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+ do { \
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+ __asm__ __volatile__ ( \
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+ "1: ldrex %0, [%1]\n" \
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+ " teq %0, %2\n" \
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+ " ite eq\n" \
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+ " strexeq %0, %3, [%1]\n" \
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+ " movne %0, #1\n" \
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+ : "=&r" (__ret) \
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+ : "r" (lock), "r" (old), "r" (new) \
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+ : "cc","memory"); \
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+ } while (0)
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+
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#endif /* architecture */
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#endif /* __GNUC__ >= 2 */
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--
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2.6.4
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