november 2020 updates

Docs/AcpiSamples/SSDT-EC-USBX.dsl

@@ -10,9 +10,13 @@
  *
  * Try NOT to rename EC0, H_EC, etc. to EC.
  * These devices are incompatible with macOS and may break
- * at any time. AppleACPIEC kext must NOT load.
+ * at any time. AppleACPIEC kext must NOT load on desktops.
  * See the disable code below.
  *
+ * While on some laptops, this kext is essential to access EC
+ * region for battery status etc. Please ignore EC related
+ * patches under the circumstance.
+ *
  * Reference USB: https://applelife.ru/posts/550233
  * Reference EC: https://applelife.ru/posts/807985
  */
@@ -60,7 +64,7 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "SsdtEC", 0x00001000)
                 {
                     Return (Buffer (One)
                     {
-                         0x03                                             // .
+                        0x03                                             // .
                     })
                 }
 
@@ -76,6 +80,17 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "SsdtEC", 0x00001000)
                     0x0834
                 })
             }
+            Method (_STA, 0, NotSerialized)  // _STA: Status
+            {
+                If (_OSI ("Darwin"))
+                {
+                    Return (0x0F)
+                }
+                Else
+                {
+                    Return (Zero)
+                }
+            }
         }
     }
 

Docs/AcpiSamples/SSDT-EC.dsl

@@ -9,9 +9,13 @@
  *
  * Try NOT to rename EC0, H_EC, etc. to EC.
  * These devices are incompatible with macOS and may break
- * at any time. AppleACPIEC kext must NOT load.
+ * at any time. AppleACPIEC kext must NOT load on desktops.
  * See the disable code below.
  *
+ * While on some laptops, this kext is essential to access EC
+ * region for battery status etc. Please ignore EC related
+ * patches under the circumstance.
+ *
  * Reference USB: https://applelife.ru/posts/550233
  * Reference EC: https://applelife.ru/posts/807985
  */

Docs/AcpiSamples/SSDT-IMEI.dsl

@@ -11,6 +11,17 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "IMEI", 0x00000000)
         Device (IMEI)
         {
             Name (_ADR, 0x00160000)  // _ADR: Address
+            Method (_STA, 0, NotSerialized)  // _STA: Status
+            {
+                If (_OSI ("Darwin"))
+                {
+                    Return (0x0F)
+                }
+                Else
+                {
+                    Return (Zero)
+                }
+            }
         }
     }
 }

Docs/AcpiSamples/SSDT-PLUG.dsl

@@ -1,5 +1,5 @@
 /*
- * XCPM power management compatibility table.
+ * XCPM power management compatibility table with Darwin method.
  *
  * Please note that this table is only a sample and may need to be
  * adapted to fit your board's ACPI stack. For instance, both scope
@@ -35,9 +35,11 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "CpuPlug", 0x00003000)
     If (CondRefOf (\_SB.CPU0)) {
         If ((ObjectType (\_SB.CPU0) == 0x0C)) {
             Scope (\_SB.CPU0) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
@@ -46,9 +48,11 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "CpuPlug", 0x00003000)
     If (CondRefOf (\_PR.CPU0)) {
         If ((ObjectType (\_PR.CPU0) == 0x0C)) {
             Scope (\_PR.CPU0) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
@@ -57,9 +61,11 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "CpuPlug", 0x00003000)
     If (CondRefOf (\_SB.PR00)) {
         If ((ObjectType (\_SB.PR00) == 0x0C)) {
             Scope (\_SB.PR00) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
@@ -68,9 +74,11 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "CpuPlug", 0x00003000)
     If (CondRefOf (\_PR.CP00)) {
         If ((ObjectType (\_PR.CP00) == 0x0C)) {
             Scope (\_PR.CP00) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
@@ -79,53 +87,63 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "CpuPlug", 0x00003000)
     If (CondRefOf (\_PR.C000)) {
         If ((ObjectType (\_PR.C000) == 0x0C)) {
             Scope (\_PR.C000) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
     }
 
-   If (CondRefOf (\_PR.P000)) {
+    If (CondRefOf (\_PR.P000)) {
         If ((ObjectType (\_PR.P000) == 0x0C)) {
             Scope (\_PR.P000) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
     }
 
-   If (CondRefOf (\_PR.PR00)) {
+    If (CondRefOf (\_PR.PR00)) {
         If ((ObjectType (\_PR.PR00) == 0x0C)) {
             Scope (\_PR.PR00) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
     }
 
-   If (CondRefOf (\_SB.SCK0.CP00)) {
+    If (CondRefOf (\_SB.SCK0.CP00)) {
         If ((ObjectType (\_SB.SCK0.CP00) == 0x0C)) {
             Scope (\_SB.SCK0.CP00) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }
     }
 
-   If (CondRefOf (\_SB.SCK0.PR00)) {
+    If (CondRefOf (\_SB.SCK0.PR00)) {
         If ((ObjectType (\_SB.SCK0.PR00) == 0x0C)) {
             Scope (\_SB.SCK0.PR00) {
-                Method (_DSM, 4, NotSerialized)  
-                {
-                    Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                If (_OSI ("Darwin")) {
+                    Method (_DSM, 4, NotSerialized)  
+                    {
+                        Return (PMPM (Arg0, Arg1, Arg2, Arg3))
+                    }
                 }
             }
         }

Docs/AcpiSamples/SSDT-SBUS-MCHC.dsl

@@ -11,6 +11,17 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "MCHCSBUS", 0x00000000)
         Device (MCHC)
         {
             Name (_ADR, Zero)  // _ADR: Address
+            Method (_STA, 0, NotSerialized)  // _STA: Status
+            {
+                If (_OSI ("Darwin"))
+                {
+                    Return (0x0F)
+                }
+                Else
+                {
+                    Return (Zero)
+                }
+            }
         }
     }
 
@@ -39,6 +50,17 @@ DefinitionBlock ("", "SSDT", 2, "ACDT", "MCHCSBUS", 0x00000000)
                 })
             }
         }
+        Method (_STA, 0, NotSerialized)  // _STA: Status
+        {
+            If (_OSI ("Darwin"))
+            {
+                Return (0x0F)
+            }
+            Else
+            {
+                Return (Zero)
+            }
+        }
     }
 
     Method (DTGP, 5, NotSerialized)

Docs/AcpiSamples/SSDT-UNC.dsl

@@ -0,0 +1,32 @@
+/*
+ * Discovered on X99-series.
+ * These platforms have uncore PCI bridges for 4 CPU sockets
+ * present in ACPI despite having none physically.
+ *
+ * Under normal conditions these are disabled depending on
+ * CPU presence in the socket via Processor Bit Mask (PRBM),
+ * but on X99 this code is unused or broken as such bridges
+ * simply do not exist. We fix that by writing 0 to PRBM.
+ *
+ * Doing so is important as starting with macOS 11 IOPCIFamily
+ * will crash as soon as it sees non-existent PCI bridges.
+ */
+
+DefinitionBlock ("", "SSDT", 2, "ACDT", "UNC", 0x00000000)
+{
+    External (_SB.UNC0, DeviceObj)
+    External (PRBM, IntObj)
+
+    Scope (_SB.UNC0)
+    {
+        Method (_INI, 0, NotSerialized)
+        {
+            // In most cases this patch does benefit all operating systems,
+            // yet on select pre-Windows 10 it may cause issues.
+            // Remove If (_OSI ("Darwin")) in case you have none.
+            If (_OSI ("Darwin")) {
+                PRBM = 0
+            }
+        }
+    }
+}

Docs/Changelog.md

@@ -1,5 +1,60 @@
 OpenCore Changelog
 ==================
+#### v0.6.3
+- Added support for xml comments in plist files
+- Updated underlying EDK II package to edk2-stable202008
+- Provide fallbacks for NULL memory SMBIOS strings
+- Fixed `BOOTx64.efi` and `BOOTIA32.efi` convention
+- Fixed SMBIOS handling with multiple memory arrays
+- Fixed memory array handle assignment on empty slots
+- Fixed CPUID patching on certain versions of macOS 10.4.10 and 10.4.11
+- Fixed incorrect core/thread counts on Pentium M processors
+- Added `SSDT-UNC.dsl` ACPI sample to resolve X99 issues, thx @RemB
+- Updated builtin firmware versions for SMBIOS and the rest
+- Increased slide allocation reserve to 200 MB for Big Sur beta 10
+- Fixed assert when trying to enable direct renderer on blit-only GOP
+- Added support for custom memory properties
+- Fixed intermittent 32-bit prelinking failures caused by improper Mach-O expansion
+- Fixed failures in cacheless injection dependency resolution
+- Fixed detection issues with older Atom CPUs
+- Fixed `ScanPolicy` NVMe handling on MacPro5,1
+- Fixed I/O issues on platforms incapable of reading over 1MB at once
+- Fixed plist-only kext injection in Big Sur
+- Add `ForceResolution` option for enabling non-default resolutions
+- Fixed Ps2MouseDxe not properly loading under OpenDuetPkg
+- Added workaround for read-only errors on some X299 boards
+- Added support for `x86legacy` Secure Boot model
+- Added missing Secure Boot NVRAM variables required by 11.0
+- Added setting of `system-id` NVRAM variable
+- Added `ForceSecureBootScheme` quirk for virtual machines
+- Fixed kernel and ACPI patches failing to replace last bytes of memory
+
+#### v0.6.2
+- Updated builtin firmware versions for SMBIOS and the rest
+- Added `ProcessorType` option to `Generic` allowing custom CPU names
+- Fixed `UnblockFsConnect` option not working with APFS JumpStart
+- Added IA32 binary variant to the release bundles
+- Fixed improper handling of cacheless kexts without an Info.plist
+- Fixed improper calculation of kext startup address for blocking
+- Added mkext 32-bit kext injection (10.4-10.6)
+- Added cacheless 32-bit kext injection (10.4-10.7)
+- Added 32-bit kernel/kext patching/blocking support
+- Fixed issues loading 10.7 EfiBoot
+- Added `Type` to `ReservedMemory` to fulfil hibernation hack needs
+- Added workaround to displaying `Preboot` instead of `Macintosh HD`
+- Added prelinkedkernel 32-bit kext injection (10.6-10.7)
+- Added `SystemMemoryStatus` to override memory replacement on some models
+- Added older Pentium CPU recognition in SMBIOS
+- Added `ExtendBTFeatureFlags` to properly set `FeatureFlags` for Bluetooth (which substitutes BT4LEContinuityFixup)
+- Added `MinKernel`/`MaxKernel` to CPUID emulation and `DummyPowerManagement`
+- Fixed `-legacy` not being added in `KernelArch` `Auto` mode
+- Fixed `i386-user32` not forcing `i386` on macOS 10.7 on X64 firmware
+- Fixed `i386-user32` being incorrectly enabled in macOS 10.4, 10.5, and 10.7
+- Disabled prelinked boot for macOS 10.4 and 10.5 in `KernelCache` `Auto` mode
+- Fixed `macserial` compatibility with iMac20,x serials and other models from 2020
+- Added `LegacyCommpage` quirk to improve pre-SSSE3 userspace compatibility
+- Fixed legacy SATA HDDs displaying as external drives in the picker
+
 #### v0.6.1
 - Improved recognition of early pressed hotkeys, thx @varahash
 - Made DMG loading support configurable via `DmgLoading`
@@ -115,7 +170,7 @@ OpenCore Changelog
 - Added prebuilt version of `CrScreenshotDxe` driver
 - Fixed Hyper-V frequency detection compatibility
 - Added `SysReport` option for DEBUG builds to dump system info
-- Fixed crashes on some AMD firmwares when performing keyboard input
+- Fixed crashes on some AMD firmware when performing keyboard input
 
 #### v0.5.8
 - Fixed invalid CPU object reference in SSDT-PLUG
@@ -173,8 +228,8 @@ OpenCore Changelog
 
 #### v0.5.6
 - Various improvements to builtin text renderer
-- Fixed locating DMG recovery in APTIO IV firmwares on FAT32
-- Fixed loading DMG recovery in APTIO IV firmwares on FAT32
+- Fixed locating DMG recovery in APTIO IV firmware on FAT32
+- Fixed loading DMG recovery in APTIO IV firmware on FAT32
 - Removed `AvoidHighAlloc` quirk due to removed I/O over 4GB
 - Moved `ConsoleMode`, `Resolution` options to `Output` section
 - Moved console-related UEFI quirks to `Output` section
@@ -192,7 +247,7 @@ OpenCore Changelog
 - Added `HideAuxiliary` and `Auxiliary` options
 - Fixed picker timeout and log timestamps for VMware
 - Fixed NULL parent DeviceHandle for launched tools
-- Added bundled HiiDatabase driver for very old firmwares
+- Added bundled HiiDatabase driver for very old firmware
 - Added SSE2 support in memory intrinsics for better performance
 - Improved ACPI PM timer CPU frequency calculation performance
 - Improved LapicKernelPanic compatibility with newer macOS versions