Date: Sat, 25 May 2002 00:04:20 +0200 (CEST) From: Riccardo Torrini <riccardo@torrini.org> To: John Baldwin <jhb@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: RE: Please test PAUSE on non-Intel processors Message-ID: <XFMail.20020525000420.riccardo@torrini.org> In-Reply-To: <XFMail.20020524102553.jhb@FreeBSD.org>
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On 24-May-2002 (14:25:53/GMT) John Baldwin wrote:
> Please compile the attached test program and run it...
FreeBSD 5.0-CURRENT #34: Wed May 8 02:31:46 CEST 2002
CPU: Pentium III/Pentium III Xeon/Celeron (501.14-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x672 Stepping = 2
Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,
PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE>
[...]
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
# ./pausetest
Testing PAUSE instruction:
Register esp changed: 0xbfbff7dc -> 0xbfbff7a0
FreeBSD 4.5-STABLE #9: Mon Apr 22 16:54:08 CEST 2002
CPU: IDT WinChip 2 (199.90-MHz 586-class CPU)
Origin = "CentaurHauls" Id = 0x585 Stepping = 5
Features=0x8000b5<FPU,DE,TSC,MSR,MCE,MMX>
# ./pausetest
Testing PAUSE instruction:
Register esp changed: 0xbfbffb98 -> 0xbfbffb5c
FreeBSD 4.5-STABLE #4: Mon Apr 22 17:39:58 GMT 2002
CPU: IDT WinChip C6 (199.74-MHz 586-class CPU)
Origin = "CentaurHauls" Id = 0x541 Stepping = 1
Features=0x8000b5<FPU,DE,TSC,MSR,MCE,MMX>
# ./pausetest
Testing PAUSE instruction:
Register esp changed: 0xbfbffb9c -> 0xbfbffb60
FreeBSD 4.4-STABLE #3: Sun Sep 25 11:26:23 GMT 2001
CPU: i486 SX2 (486-class CPU)
Origin = "GenuineIntel" Id = 0x45b Stepping = 11
Features=0x2<VME>
# ./pausetest
Testing PAUSE instruction:
Register esp changed: 0xbfbffba0 -> 0xbfbffb64
FreeBSD 4.5-STABLE #3: Mon Apr 22 14:54:18 GMT 2002
CPU: Cyrix 6x86MX (200.46-MHz 686-class CPU)
Origin = "CyrixInstead" Id = 0x600 Stepping = 0 DIR=0x0753
Features=0x80a135<FPU,DE,TSC,MSR,CX8,PGE,CMOV,MMX>
# ./pausetest
Testing PAUSE instruction:
Register esp changed: 0xbfbffbb8 -> 0xbfbffb7c
Riccardo.
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