struct movsl_mask movsl_mask;
#endif
+void __init early_intel_workaround(struct cpuinfo_x86 *c)
+{
+ if (c->x86_vendor != X86_VENDOR_INTEL)
+ return;
+ /* Netburst reports 64 bytes clflush size, but does IO in 128 bytes */
+ if (c->x86 == 15 && c->x86_cache_alignment == 64)
+ c->x86_cache_alignment = 128;
+}
+
/*
* Early probe support logic for ppro memory erratum #50
*
int __init ppro_with_ram_bug(void)
{
- char vendor_id[16];
- int ident;
-
- /* Must have CPUID */
- if(!have_cpuid_p())
- return 0;
- if(cpuid_eax(0)<1)
- return 0;
-
- /* Must be Intel */
- cpuid(0, &ident,
- (int *)&vendor_id[0],
- (int *)&vendor_id[8],
- (int *)&vendor_id[4]);
-
- if(memcmp(vendor_id, "IntelInside", 12))
- return 0;
-
- ident = cpuid_eax(1);
-
- /* Model 6 */
-
- if(((ident>>8)&15)!=6)
- return 0;
-
- /* Pentium Pro */
-
- if(((ident>>4)&15)!=1)
- return 0;
-
- if((ident&15) < 8)
- {
+ /* Uses data from early_cpu_detect now */
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+ boot_cpu_data.x86 == 6 &&
+ boot_cpu_data.x86_model == 1 &&
+ boot_cpu_data.x86_mask < 8) {
printk(KERN_INFO "Pentium Pro with Errata#50 detected. Taking evasive action.\n");
return 1;
}
- printk(KERN_INFO "Your Pentium Pro seems ok.\n");
return 0;
}
/* all the cache descriptor types we care about (no TLB or trace cache entries) */
static struct _cache_table cache_table[] __initdata =
{
- { 0x06, LVL_1_INST, 8 },
- { 0x08, LVL_1_INST, 16 },
- { 0x0a, LVL_1_DATA, 8 },
- { 0x0c, LVL_1_DATA, 16 },
- { 0x22, LVL_3, 512 },
- { 0x23, LVL_3, 1024 },
- { 0x25, LVL_3, 2048 },
- { 0x29, LVL_3, 4096 },
- { 0x2c, LVL_1_DATA, 32 },
- { 0x30, LVL_1_INST, 32 },
- { 0x39, LVL_2, 128 },
- { 0x3b, LVL_2, 128 },
- { 0x3c, LVL_2, 256 },
- { 0x41, LVL_2, 128 },
- { 0x42, LVL_2, 256 },
- { 0x43, LVL_2, 512 },
- { 0x44, LVL_2, 1024 },
- { 0x45, LVL_2, 2048 },
- { 0x66, LVL_1_DATA, 8 },
- { 0x67, LVL_1_DATA, 16 },
- { 0x68, LVL_1_DATA, 32 },
- { 0x70, LVL_TRACE, 12 },
- { 0x71, LVL_TRACE, 16 },
- { 0x72, LVL_TRACE, 32 },
- { 0x79, LVL_2, 128 },
- { 0x7a, LVL_2, 256 },
- { 0x7b, LVL_2, 512 },
- { 0x7c, LVL_2, 1024 },
- { 0x82, LVL_2, 256 },
- { 0x83, LVL_2, 512 },
- { 0x84, LVL_2, 1024 },
- { 0x85, LVL_2, 2048 },
- { 0x86, LVL_2, 512 },
- { 0x87, LVL_2, 1024 },
+ { 0x06, LVL_1_INST, 8 }, /* 4-way set assoc, 32 byte line size */
+ { 0x08, LVL_1_INST, 16 }, /* 4-way set assoc, 32 byte line size */
+ { 0x0a, LVL_1_DATA, 8 }, /* 2 way set assoc, 32 byte line size */
+ { 0x0c, LVL_1_DATA, 16 }, /* 4-way set assoc, 32 byte line size */
+ { 0x22, LVL_3, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x23, LVL_3, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x25, LVL_3, 2048 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x29, LVL_3, 4096 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x2c, LVL_1_DATA, 32 }, /* 8-way set assoc, 64 byte line size */
+ { 0x30, LVL_1_INST, 32 }, /* 8-way set assoc, 64 byte line size */
+ { 0x39, LVL_2, 128 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x3b, LVL_2, 128 }, /* 2-way set assoc, sectored cache, 64 byte line size */
+ { 0x3c, LVL_2, 256 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x41, LVL_2, 128 }, /* 4-way set assoc, 32 byte line size */
+ { 0x42, LVL_2, 256 }, /* 4-way set assoc, 32 byte line size */
+ { 0x43, LVL_2, 512 }, /* 4-way set assoc, 32 byte line size */
+ { 0x44, LVL_2, 1024 }, /* 4-way set assoc, 32 byte line size */
+ { 0x45, LVL_2, 2048 }, /* 4-way set assoc, 32 byte line size */
+ { 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x68, LVL_1_DATA, 32 }, /* 4-way set assoc, sectored cache, 64 byte line size */
+ { 0x70, LVL_TRACE, 12 }, /* 8-way set assoc */
+ { 0x71, LVL_TRACE, 16 }, /* 8-way set assoc */
+ { 0x72, LVL_TRACE, 32 }, /* 8-way set assoc */
+ { 0x78, LVL_2, 1024 }, /* 4-way set assoc, 64 byte line size */
+ { 0x79, LVL_2, 128 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7a, LVL_2, 256 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7b, LVL_2, 512 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7c, LVL_2, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */
+ { 0x7d, LVL_2, 2048 }, /* 8-way set assoc, 64 byte line size */
+ { 0x7f, LVL_2, 512 }, /* 2-way set assoc, 64 byte line size */
+ { 0x82, LVL_2, 256 }, /* 8-way set assoc, 32 byte line size */
+ { 0x83, LVL_2, 512 }, /* 8-way set assoc, 32 byte line size */
+ { 0x84, LVL_2, 1024 }, /* 8-way set assoc, 32 byte line size */
+ { 0x85, LVL_2, 2048 }, /* 8-way set assoc, 32 byte line size */
+ { 0x86, LVL_2, 512 }, /* 4-way set assoc, 64 byte line size */
+ { 0x87, LVL_2, 1024 }, /* 8-way set assoc, 64 byte line size */
{ 0x00, 0, 0}
};