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发信人: linuxrat (整理精华区中*请提意见), 信区: Linux
标  题: Porting OS Kernels to the IA-64 Architecture
发信站: BBS 水木清华站 (Sun Dec 26 18:10:36 1999)

From www.linuxtoday.com
==========Begin=============
   Intel Technology Journal: Porting Operating System Kernels to the
   IA-64 Architecture...
   Dec 25, 1999, 16:02 UTC (2 Talkbacks) (Other stories by Kathy Carver,
   Chuck Fleckenstein, Joshua LeVasseur & Stephan Zeisset)

   "To provide additional vehicles for pre-silicon validation and
   post-silicon debug of the Intel Itanium[tm] processor, we ported two
   operating system kernels to the IA-64 architecture. The Mach3*
   microkernel was ported first, followed by the Linux* 2.2.0 kernel, and
   these have helped track the overall health of the Itanium RTL model
   for the last two years. These operating system (OS) kernels also
   helped pre-silicon performance analysis and compiler-generated code
   analysis."

   "The Mach3 kernel (the IA-64 port was called Munster internally) was
   ported because it contained features similar to Microsoft Windows NT*,
   such as tasks, threads, interprocess communication (IPC), and
   symmetric multiprocessing (SMP). Mach3* allowed us to exercise parts
   of the Itanium model in a similar way to Microsoft Windows NT, but at
   a reduced scale and without device support."

   "Linux (the IA-64 port was called IPD-Linux internally) was ported
   because its source is readily available and 64-bit clean, it is highly
   configurable, and it would exercise the model in a different way than
   Mach3. We started with a released 2.2.0 version of the source and
   ported the kernel using a non-GNU C Compiler (GCC). The difficulty of
   porting the Linux kernel without GCC made the task more challenging."

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