Chameleon

Chameleon Commit Details

Date:2010-10-28 01:56:31 (8 years 9 months ago)
Author:Azimutz
Commit:617
Parents: 616
Message:Trunk it: adding some dirty stuff from rev 609 :P Namely, dirty algo for PSS generation for Core iX processors plus two new keys: EnableC2State and EnableC3State, to enable C2 and C3 C-States generation, respectively.
Changes:
M/branches/azimutz/Chazi/i386/libsaio/acpi_patcher.c
M/branches/azimutz/Chazi/i386/boot2/boot.h

File differences

branches/azimutz/Chazi/i386/libsaio/acpi_patcher.c
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if (acpi_cpu_count > 0)
{
bool c2_enabled = fadt->C2_Latency < 100;
bool c3_enabled = fadt->C3_Latency < 1000;
bool c2_enabled = false;
bool c3_enabled = false;
bool c4_enabled = false;
getBoolForKey(kEnableC2States, &c2_enabled, &bootInfo->bootConfig);
getBoolForKey(kEnableC3States, &c3_enabled, &bootInfo->bootConfig);
getBoolForKey(kEnableC4StatesKey, &c4_enabled, &bootInfo->bootConfig);
c2_enabled = c2_enabled | (fadt->C2_Latency < 100);
c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);
unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);
if (maximum.CID < minimum.CID)
{
DBG("Insane FID values!");
p_states_count = 1;
p_states_count = 0;
}
else
{
p_states_count -= invalid;
}
} break;
break;
}
case CPU_MODEL_FIELDS:
case CPU_MODEL_DALES:
case CPU_MODEL_DALES_32NM:
case CPU_MODEL_NEHALEM_EX:
case CPU_MODEL_WESTMERE:
case CPU_MODEL_WESTMERE_EX:
{
// Is it allways the maximum multiplier?
maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;
// fix me: dirty method to get lowest multiplier... Hardcoded value!
minimum.Control = 0x09;
// Sanity check
if (maximum.Control < minimum.Control)
{
DBG("Insane control values!");
p_states_count = 0;
}
else
{
uint8_t i;
p_states_count = 0;
for (i = maximum.Control; i >= minimum.Control; i--)
{
p_states[p_states_count].Control = i;
p_states[p_states_count].CID = p_states[p_states_count].Control << 1;
p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;
p_states_count++;
}
}
break;
}
default:
verbose ("Unsupported CPU: P-States not generated !!!\n");
break;
branches/azimutz/Chazi/i386/boot2/boot.h
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#define kBootUUIDKey "boot-uuid" // options.cprocessBootArg- kFlag
#define kHelperRootUUIDKey "Root UUID" // options.cgetValFK
#define kArchKey "arch" // boot.cgetValFK- kFlag
#define kKernelNameKey "Kernel" // options.cgetValFK
#define kKernelNameKey "Kernel" // options.cgetValFK- kFlag*** bFlag ?
#define kKernelCacheKey "Kernel Cache" // boot.cgetValFK- kFlag
#define kKernelFlagsKey "Kernel Flags" // options.cgetValFK
#define kKernelFlagsKey "Kernel Flags" // options.cgetValFK- kFlags***
#define kKPatcherKey "PatchKernel" // kernel_patcher.cgetBoolFK
#define kAltExtensionsKey "kext" // drivers.cgetValFK
#define kMKextCacheKey "MKext Cache" // options.cgetValFK- kFlag
#define kDSDTKey "DSDT" // acpi_patcher.cgetValFK
#define kDropSSDTKey "DropSSDT" // acpi_patcher.cgetBoolFK
#define kRestartFixKey "RestartFix" // acpi_patcher.cgetBoolFK- revert to true?
#define kGeneratePStatesKey "GeneratePStates" // acpi_patcher.cgetBoolFK
#define kGenerateCStatesKey "GenerateCStates" // acpi_patcher.cgetBoolFK
#define kEnableC4StatesKey "EnableC4State" // acpi_patcher.cgetBoolFK
#define kGeneratePStatesKey "GeneratePStates" // acpi_patcher.cgetBoolFK- add to BootHelp***
#define kGenerateCStatesKey "GenerateCStates" // acpi_patcher.cgetBoolFK||
#define kEnableC2States "EnableC2State" // acpi_patcher.cgetBoolFK||
#define kEnableC3States "EnableC3State" // acpi_patcher.cgetBoolFK||
#define kEnableC4StatesKey "EnableC4State" // acpi_patcher.cgetBoolFK||
#define kUseMemDetectKey "UseMemDetect" // platform.cgetBoolFK
#define kSMBIOSdefaultsKey "SMBIOSdefaults" // smbios_patcher.cgetBoolFK
#define kSMBIOSKey "SMBIOS" // fake_efi.cgetValFK

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Revision: 617