From 70d8929d63a2cb9ee2a5e97f411858d9450d7c99 Mon Sep 17 00:00:00 2001 From: Alexander von Gluck IV Date: Mon, 11 Jul 2011 18:05:46 +0000 Subject: [PATCH] * Wrap x86 asm in defines git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42410 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- src/add-ons/accelerants/radeon/CP.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/add-ons/accelerants/radeon/CP.c b/src/add-ons/accelerants/radeon/CP.c index 98330c7640..cfe219121d 100644 --- a/src/add-ons/accelerants/radeon/CP.c +++ b/src/add-ons/accelerants/radeon/CP.c @@ -329,7 +329,10 @@ void Radeon_SendIndirectBuffer( accelerator_info *ai, // flush writes to CP buffers // (this code is a bit of a overkill - currently, only some WinChip/Cyrix // CPU's support out-of-order writes, but we are prepared) + // TODO : Other Architectures? PowerPC? + #if defined(__x86__) || defined(__x86_64__) __asm__ __volatile__ ("lock; addl $0,0(%%esp)": : :"memory"); + #endif // make sure the motherboard chipset has flushed its write buffer by // reading some uncached memory //(void)*(volatile int *)si->framebuffer;