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Hopefully I won't get flamed for this: insert a few more #if defined(I486_CPU)

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and #if defined (I586_CPU) thingies into identifycpu() so that we only
compile in what's actually needed for a given CPU. So far as I can tell,
none of my 386 machines generate a cpu_vendor code, so I made the extra vendor
and feature line conditional on I486_CPU and I586_CPU. (Otherwise we
print out a blank line which looks silly.)
This commit is contained in:
Bill Paul 1995-04-14 02:06:00 +00:00
parent 8a03631b28
commit 09a901eb60
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=7814
2 changed files with 28 additions and 8 deletions
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18
sys/amd64/amd64/machdep.c
View File

@ -422,12 +422,13 @@ identifycpu()
panic("startup: bad cpu id");
}
#ifdef I586_CPU
#if defined(I586_CPU)
if(cpu_class == CPUCLASS_586) {
calibrate_cyclecounter();
printf("%d-MHz ", pentium_mhz);
}
#endif
#if defined(I486_CPU) || defined(I586_CPU)
if (!strcmp(cpu_vendor,"GenuineIntel")) {
if ((cpu_id & 0xf00) > 3) {
cpu_model[0] = '\0';
@ -442,8 +443,10 @@ identifycpu()
}
if ((cpu_id & 0xf00) == 0x400) {
strcat(cpu_model, "i486 ");
#if defined(I586_CPU)
} else if ((cpu_id & 0xf00) == 0x500) {
strcat(cpu_model, "Pentium ");
#endif
} else {
strcat(cpu_model, "unknown ");
}
@ -466,7 +469,7 @@ identifycpu()
break;
case 0x480:
strcat(cpu_model, "DX4"); break;
#ifdef I586_CPU
#if defined(I586_CPU)
case 0x510:
if (pentium_mhz == 60) {
strcat(cpu_model, "510\\60");
@ -489,25 +492,32 @@ identifycpu()
}
}
}
#endif
printf("%s (", cpu_model);
switch(cpu_class) {
case CPUCLASS_286:
printf("286");
break;
#if defined(I386_CPU)
case CPUCLASS_386:
printf("386");
break;
#endif
#if defined(I486_CPU)
case CPUCLASS_486:
printf("486");
break;
#endif
#if defined(I586_CPU)
case CPUCLASS_586:
printf("Pentium");
break;
#endif
default:
printf("unknown"); /* will panic below... */
}
printf("-class CPU)\n");
#if defined(I486_CPU) || defined(I586_CPU)
if(*cpu_vendor)
printf(" Origin = \"%s\"",cpu_vendor);
if(cpu_id)
@ -521,7 +531,7 @@ identifycpu()
}
}
printf("\n");
#endif
/*
* Now that we have told the user what they have,
* let them know if that machine type isn't configured.

18
sys/i386/i386/machdep.c
View File

@ -422,12 +422,13 @@ identifycpu()
panic("startup: bad cpu id");
}
#ifdef I586_CPU
#if defined(I586_CPU)
if(cpu_class == CPUCLASS_586) {
calibrate_cyclecounter();
printf("%d-MHz ", pentium_mhz);
}
#endif
#if defined(I486_CPU) || defined(I586_CPU)
if (!strcmp(cpu_vendor,"GenuineIntel")) {
if ((cpu_id & 0xf00) > 3) {
cpu_model[0] = '\0';
@ -442,8 +443,10 @@ identifycpu()
}
if ((cpu_id & 0xf00) == 0x400) {
strcat(cpu_model, "i486 ");
#if defined(I586_CPU)
} else if ((cpu_id & 0xf00) == 0x500) {
strcat(cpu_model, "Pentium ");
#endif
} else {
strcat(cpu_model, "unknown ");
}
@ -466,7 +469,7 @@ identifycpu()
break;
case 0x480:
strcat(cpu_model, "DX4"); break;
#ifdef I586_CPU
#if defined(I586_CPU)
case 0x510:
if (pentium_mhz == 60) {
strcat(cpu_model, "510\\60");
@ -489,25 +492,32 @@ identifycpu()
}
}
}
#endif
printf("%s (", cpu_model);
switch(cpu_class) {
case CPUCLASS_286:
printf("286");
break;
#if defined(I386_CPU)
case CPUCLASS_386:
printf("386");
break;
#endif
#if defined(I486_CPU)
case CPUCLASS_486:
printf("486");
break;
#endif
#if defined(I586_CPU)
case CPUCLASS_586:
printf("Pentium");
break;
#endif
default:
printf("unknown"); /* will panic below... */
}
printf("-class CPU)\n");
#if defined(I486_CPU) || defined(I586_CPU)
if(*cpu_vendor)
printf(" Origin = \"%s\"",cpu_vendor);
if(cpu_id)
@ -521,7 +531,7 @@ identifycpu()
}
}
printf("\n");
#endif
/*
* Now that we have told the user what they have,
* let them know if that machine type isn't configured.