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Add a cpuid_cpuinfo variable to hold the results of %ebx from cpuid with

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%eax of 1 and set it in identify_cpu().
This commit is contained in:
John Baldwin 2003-01-08 01:20:05 +00:00
parent caaaa8bb36
commit fa896b7280
7 changed files with 7 additions and 0 deletions
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1
sys/amd64/amd64/initcpu.c
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@ -82,6 +82,7 @@ int cpu = 0; /* Are we 386, 386sx, 486, etc? */
u_int cpu_id = 0; /* Stepping ID */
u_int cpu_feature = 0; /* Feature flags */
u_int cpu_high = 0; /* Highest arg to CPUID */
u_int cpuid_cpuinfo = 0; /* HyperThreading Info / Brand Index / CLFUSH */
#ifdef CPU_ENABLE_SSE
u_int cpu_fxsr = 0; /* SSE enabled */
#endif

1
sys/amd64/amd64/locore.S
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@ -720,6 +720,7 @@ trycpuid: /* Use the `cpuid' instruction. */
movl $1,%eax
cpuid # cpuid 1
movl %eax,R(cpu_id) # store cpu_id
movl %ebx,R(cpuid_cpuinfo) # store cpuid_cpuinfo
movl %edx,R(cpu_feature) # store cpu_feature
rorl $8,%eax # extract family type
andl $15,%eax

1
sys/amd64/amd64/locore.s
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@ -720,6 +720,7 @@ trycpuid: /* Use the `cpuid' instruction. */
movl $1,%eax
cpuid # cpuid 1
movl %eax,R(cpu_id) # store cpu_id
movl %ebx,R(cpuid_cpuinfo) # store cpuid_cpuinfo
movl %edx,R(cpu_feature) # store cpu_feature
rorl $8,%eax # extract family type
andl $15,%eax

1
sys/amd64/include/md_var.h
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@ -44,6 +44,7 @@ extern int (*copyin_vector)(const void *udaddr, void *kaddr, size_t len);
extern int (*copyout_vector)(const void *kaddr, void *udaddr, size_t len);
extern u_int cpu_feature;
extern u_int cpu_high;
extern u_int cpuid_cpuinfo;
extern u_int cpu_id;
extern u_int cpu_fxsr;
extern char cpu_vendor[];

1
sys/i386/i386/initcpu.c
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@ -82,6 +82,7 @@ int cpu = 0; /* Are we 386, 386sx, 486, etc? */
u_int cpu_id = 0; /* Stepping ID */
u_int cpu_feature = 0; /* Feature flags */
u_int cpu_high = 0; /* Highest arg to CPUID */
u_int cpuid_cpuinfo = 0; /* HyperThreading Info / Brand Index / CLFUSH */
#ifdef CPU_ENABLE_SSE
u_int cpu_fxsr = 0; /* SSE enabled */
#endif

1
sys/i386/i386/locore.s
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@ -720,6 +720,7 @@ trycpuid: /* Use the `cpuid' instruction. */
movl $1,%eax
cpuid # cpuid 1
movl %eax,R(cpu_id) # store cpu_id
movl %ebx,R(cpuid_cpuinfo) # store cpuid_cpuinfo
movl %edx,R(cpu_feature) # store cpu_feature
rorl $8,%eax # extract family type
andl $15,%eax

1
sys/i386/include/md_var.h
View File

@ -44,6 +44,7 @@ extern int (*copyin_vector)(const void *udaddr, void *kaddr, size_t len);
extern int (*copyout_vector)(const void *kaddr, void *udaddr, size_t len);
extern u_int cpu_feature;
extern u_int cpu_high;
extern u_int cpuid_cpuinfo;
extern u_int cpu_id;
extern u_int cpu_fxsr;
extern char cpu_vendor[];