Date: Wed, 9 Apr 2003 00:03:02 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 28623 for review Message-ID: <200304090703.h39732Rr052689@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=28623 Change 28623 by peter@peter_daintree on 2003/04/09 00:02:43 tidy up some more loose ends Affected files ... .. //depot/projects/hammer/sys/x86_64/x86_64/identcpu.c#6 edit Differences ... ==== //depot/projects/hammer/sys/x86_64/x86_64/identcpu.c#6 (text+ko) ==== @@ -100,9 +100,7 @@ /* Check for extended CPUID information and a processor name. */ if (cpu_high > 0 && (strcmp(cpu_vendor, "GenuineIntel") == 0 || - strcmp(cpu_vendor, "AuthenticAMD") == 0 || - strcmp(cpu_vendor, "GenuineTMx86") == 0 || - strcmp(cpu_vendor, "TransmetaCPU") == 0)) { + strcmp(cpu_vendor, "AuthenticAMD") == 0)) { do_cpuid(0x80000000, regs); if (regs[0] >= 0x80000000) { cpu_exthigh = regs[0]; @@ -322,35 +320,6 @@ print_AMD_assoc((regs[2] >> 12) & 0x0f); } } - if (((cpu_id & 0xf00) == 0x500) - && (((cpu_id & 0x0f0) > 0x80) - || (((cpu_id & 0x0f0) == 0x80) - && (cpu_id & 0x00f) > 0x07))) { - /* K6-2(new core [Stepping 8-F]), K6-III or later */ - amd_whcr = rdmsr(0xc0000082); - if (!(amd_whcr & (0x3ff << 22))) { - printf("Write Allocate Disable\n"); - } else { - printf("Write Allocate Enable Limit: %dM bytes\n", - (u_int32_t)((amd_whcr & (0x3ff << 22)) >> 22) * 4); - printf("Write Allocate 15-16M bytes: %s\n", - (amd_whcr & (1 << 16)) ? "Enable" : "Disable"); - } - } else if (((cpu_id & 0xf00) == 0x500) - && ((cpu_id & 0x0f0) > 0x50)) { - /* K6, K6-2(old core) */ - amd_whcr = rdmsr(0xc0000082); - if (!(amd_whcr & (0x7f << 1))) { - printf("Write Allocate Disable\n"); - } else { - printf("Write Allocate Enable Limit: %dM bytes\n", - (u_int32_t)((amd_whcr & (0x7f << 1)) >> 1) * 4); - printf("Write Allocate 15-16M bytes: %s\n", - (amd_whcr & 0x0001) ? "Enable" : "Disable"); - printf("Hardware Write Allocate Control: %s\n", - (amd_whcr & 0x0100) ? "Enable" : "Disable"); - } - } } static void
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