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With the recent change to enable CPU brands from the VIA chips, the

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code to add padlock features to the CPU model on VIA CPUs was no longer
effective.  Change the code to instead output a separate printf during
dmesg for VIA Padlock features similar to other cpuid feature bitmasks.

MFC after:	1 week
This commit is contained in:
jhb 2008-02-29 19:18:09 +00:00
parent 01c9bfaf1f
commit af9b407d79
1 changed files with 41 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
sys/i386/i386/identcpu.c
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@ -86,6 +86,7 @@ static void print_INTEL_info(void);
static void print_INTEL_TLB(u_int data);
static void print_AMD_assoc(int i);
static void print_transmeta_info(void);
static void print_via_padlock_info(void);
int cpu_class;
u_int cpu_exthigh; /* Highest arg to extended CPUID */
@ -581,31 +582,10 @@ printcpuinfo(void)
break;
case 0x690:
strcpy(cpu_model, "VIA C3 Nehemiah");
if ((cpu_id & 0xf) < 3)
break;
goto via_common;
break;
case 0x6a0:
case 0x6d0:
strcpy(cpu_model, "VIA C7 Esther");
goto via_common;
via_common:
do_cpuid(0xc0000000, regs);
i = regs[0];
if (i >= 0xC0000001) {
do_cpuid(0xc0000001, regs);
i = regs[3];
} else
i = 0;
if (i & VIA_CPUID_HAS_RNG)
strcat(cpu_model, "+RNG");
if (i & VIA_CPUID_HAS_ACE)
strcat(cpu_model, "+AES");
if (i & VIA_CPUID_HAS_ACE2)
strcat(cpu_model, "+AES-CTR");
if (i & VIA_CPUID_HAS_PHE)
strcat(cpu_model, "+SHA1+SHA256");
if (i & VIA_CPUID_HAS_PMM)
strcat(cpu_model, "+RSA");
break;
default:
strcpy(cpu_model, "VIA/IDT Unknown");
@ -892,6 +872,9 @@ printcpuinfo(void)
printf("\n CPU cache: write-through mode");
#endif
}
if (strcmp(cpu_vendor, "CentaurHauls") == 0)
print_via_padlock_info();
/* Avoid ugly blank lines: only print newline when we have to. */
if (*cpu_vendor || cpu_id)
printf("\n");
@ -1476,7 +1459,8 @@ print_INTEL_TLB(u_int data)
static void
setPQL2_AMD(int *const size, int *const ways) {
setPQL2_AMD(int *const size, int *const ways)
{
if (cpu_exthigh >= 0x80000006) {
u_int regs[4];
@ -1768,7 +1752,7 @@ setPQL2(int *const size, int *const ways)
}
static void
print_transmeta_info()
print_transmeta_info(void)
{
u_int regs[4], nreg = 0;
@ -1801,3 +1785,36 @@ print_transmeta_info()
printf(" %s\n", info);
}
}
static void
print_via_padlock_info(void)
{
u_int regs[4];
/* Check for supported models. */
switch (cpu_id & 0xff0) {
case 0x690:
if ((cpu_id & 0xf) < 3)
return;
case 0x6a0:
case 0x6d0:
break;
default:
return;
}
do_cpuid(0xc0000000, regs);
if (regs[0] >= 0xc0000001)
do_cpuid(0xc0000001, regs);
else
return;
printf("\n VIA Padlock Features=0x%b", regs[3],
"\020"
"\003RNG" /* RNG */
"\007AES" /* ACE */
"\011AES-CTR" /* ACE2 */
"\013SHA1,SHA256" /* PHE */
"\015RSA" /* PMM */
);
}