diff options
Diffstat (limited to 'src/arch/x86/smbios.c')
| -rw-r--r-- | src/arch/x86/smbios.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index 8c7f92c842..6c92d03c72 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -449,10 +449,27 @@ static int get_socket_type(void) return 0x13; if (CONFIG(CPU_INTEL_SOCKET_LGA775)) return 0x15; + if (CONFIG(XEON_SP_COMMON_BASE)) + return 0x36; return 0x02; /* Unknown */ } +unsigned int __weak smbios_processor_external_clock(void) +{ + return 0; /* Unknown */ +} + +unsigned int __weak smbios_processor_characteristics(void) +{ + return 0; +} + +unsigned int __weak smbios_processor_family(struct cpuid_result res) +{ + return (res.eax > 0) ? 0x0c : 0x6; +} + static int smbios_write_type1(unsigned long *current, int handle) { struct smbios_type1 *t = (struct smbios_type1 *)*current; @@ -528,6 +545,7 @@ static int smbios_write_type4(unsigned long *current, int handle) struct cpuid_result res; struct smbios_type4 *t = (struct smbios_type4 *)*current; int len = sizeof(struct smbios_type4); + uint16_t characteristics = 0; /* Provide sane defaults even for CPU without CPUID */ res.eax = res.edx = 0; @@ -544,7 +562,7 @@ static int smbios_write_type4(unsigned long *current, int handle) t->processor_id[1] = res.edx; t->processor_manufacturer = smbios_cpu_vendor(t->eos); t->processor_version = smbios_processor_name(t->eos); - t->processor_family = (res.eax > 0) ? 0x0c : 0x6; + t->processor_family = smbios_processor_family(res); t->processor_type = 3; /* System Processor */ /* * If CPUID leaf 11 is available, calculate "core count" by dividing @@ -583,10 +601,31 @@ static int smbios_write_type4(unsigned long *current, int handle) if (cpu_have_cpuid() && cpuid_get_max_func() >= 0x16) { t->max_speed = cpuid_ebx(0x16); t->current_speed = cpuid_eax(0x16); /* base frequency */ + t->external_clock = cpuid_ecx(0x16); } else { t->max_speed = smbios_cpu_get_max_speed_mhz(); t->current_speed = smbios_cpu_get_current_speed_mhz(); + t->external_clock = smbios_processor_external_clock(); } + + if (cpu_have_cpuid()) { + res = cpuid(1); + + if ((res.ecx) & BIT(5)) + characteristics |= BIT(6); /* BIT6: Enhanced Virtualization */ + + if ((res.edx) & BIT(28)) + characteristics |= BIT(4); /* BIT4: Hardware Thread */ + + if (((cpuid_eax(0x80000000) - 0x80000000) + 1) > 2) { + res = cpuid(0x80000001); + + if ((res.edx) & BIT(20)) + characteristics |= BIT(5); /* BIT5: Execute Protection */ + } + } + t->processor_characteristics = characteristics | smbios_processor_characteristics(); + *current += len; return len; } |