Clover - Bootloader for macOS, Windows and Linux in UEFI and in legacy mode

[MaLd0n]

10 minutes ago, Slice said:

But this log is not latest

Starting Clover revision: 5160 (master, commit 788654cdc)

And did you set UseARTFrequncy=true?

let me check. ill back soon

[Slice]

Check also

AppleXcpmForceBoost

ProvideCurrentCpuInfo

I am not sure if they means something but you may test switch them back.

[MaLd0n]

@Slice Work with UseARTFrequncy=true. Thx!

AppleXcpmForceBoost <--- need this quirk to fix perfomance for now

ProvideCurrentCpuInfo <---don't need this

preboot.5161.UseARTFrequncy=true.zip

[MaLd0n]

[Slice]

I look XNU sources of Ventura and see

	switch (cpuid_cpufamily()) {
	case CPUFAMILY_INTEL_KABYLAKE:
	case CPUFAMILY_INTEL_ICELAKE:
	case CPUFAMILY_INTEL_SKYLAKE: {
		/*
		 * SkyLake and later has an Always Running Timer (ART) providing
		 * the reference frequency. CPUID leaf 0x15 determines the
		 * rationship between this and the TSC frequency expressed as
		 *   -	multiplier (numerator, N), and
		 *   -	divisor (denominator, M).
		 * So that TSC = ART * N / M.
		 */

If so may be better to fake processor to Kabylake 0x090fe2?

 

EDITED:: Yes, Sequoia has CometLake definition 0xA5

[MaLd0n]

@Slice for normal perfomance on Arrow Lake we need to use quirk AppleXcpmForceBoost but is not good solution

Do u can check correct fix for that case?

Log with quirk disable preboot NO QUIRK.log.zip

Log with quirk enable preboot with QUIRK.log.zip

Dmesg dmesg.txt.zip

 

For example: GeekBench is 22k but with Quirk disable...

Quirk enable

[Slice]

I don't know how it works but may be replace VirtualSMC(+SMCProcessor) to FakeSMC(+IntelCPUMonitor) which has a revision adopted to this processor. 

https://github.com/CloverHackyColor/FakeSMC3_with_plugins/releases/tag/251

And new Clover has generating SSDT with P-State for such processor.

               <key>Generate</key>
                <dict>
                    <key>APLF?</key>
                    <false/>
                    <key>APSN?</key>
                    <false/>
                    <key>PluginType?</key>
                    <false/>
                    <key>CStates</key>
                    <true/>
                    <key>PStates</key>
                    <true/>
                </dict>

 

[MaLd0n]

5 hours ago, Slice said:

I don't know how it works but may be replace VirtualSMC(+SMCProcessor) to FakeSMC(+IntelCPUMonitor) which has a revision adopted to this processor. And new Clover has generating SSDT with P-State for such processor.

 

Tested. Same perfomance with no quirk. Problem is about Turbo boost like on x99.

[Slice]

May be wait for Intel datasheet on such CPU?

[MaLd0n]

I remember that almost every update caused the patch to stop working. The solution was to always set it to the maximum.

AppleXcpmForceBoost

Description: Forces maximum performance in XCPM mode.

This patch writes 0xFF00 to MSR_IA32_PERF_CONTROL (0x199), effectively setting maximum multiplier for all the time.

Maybe using SSDTPRGEN will work

https://github.com/Piker-Alpha/ssdtPRGen.sh

[Slice]

Piker Alpha never saw Intel Ultra. 

I have 

Intel® 64 and IA-32 Architectures

Software Developer’s Manual

but dated 2021. I expected new manual with Intel Ultra processor to know what is the difference.

[MaLd0n]

@Slice M4 max vs 285k in perfomance Cinebench

M4 MAX

 

 

285K