mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
293 lines
11 KiB
C
293 lines
11 KiB
C
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/**
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Methods for finding, checking and fixing boot args
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by dmazar
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**/
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#include <Library/UefiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include "BootArgs.h"
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#include "Lib.h"
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#include "NVRAMDebug.h"
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// DBG_TO: 0=no debug, 1=serial, 2=console
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// serial requires
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// [PcdsFixedAtBuild]
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// gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask|0x07
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// gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0xFFFFFFFF
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// in package DSC file
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#define DBG_TO 0
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#if DBG_TO == 2
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#define DBG(...) AsciiPrint(__VA_ARGS__);
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#elif DBG_TO == 1
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#define DBG(...) DebugPrint(1, __VA_ARGS__);
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#else
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#define DBG(...)
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#endif
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VOID
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EFIAPI
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BootArgsPrint(VOID *bootArgs)
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{
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#if (DBG_TO > 0) || (DEBUG_TO_NVRAM > 0)
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BootArgs1 *BA1 = bootArgs;
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BootArgs2 *BA2 = bootArgs;
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if (BA1->Version == kBootArgsVersion1) {
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// pre Lion
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DBG("BootArgs at 0x%p\n", BA1);
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DBGnvr("BootArgs at 0x%p\n", BA1);
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DBG(" Revision: 0x%x, Version: 0x%x, efiMode: 0x%x (%d), res10: %x, res11: %x, res12: %x, res20: %x\n",
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BA1->Revision, BA1->Version, BA1->efiMode, BA1->efiMode,
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BA1->__reserved1[0], BA1->__reserved1[1], BA1->__reserved1[2],
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BA1->__reserved2[0]
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);
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DBGnvr(" Revision: 0x%x, Version: 0x%x, efiMode: 0x%x (%d), res10: %x, res11: %x, res12: %x, res20: %x\n",
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BA1->Revision, BA1->Version, BA1->efiMode, BA1->efiMode,
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BA1->__reserved1[0], BA1->__reserved1[1], BA1->__reserved1[2],
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BA1->__reserved2[0]
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);
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DBG(" CommandLine: %a\n", BA1->CommandLine);
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DBGnvr(" CommandLine: %a\n", BA1->CommandLine);
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DBG(" MemoryMap: 0x%x, MMSize: 0x%x, MMDescSize: 0x%x, MMDescVersion: 0x%x\n",
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BA1->MemoryMap, BA1->MemoryMapSize, BA1->MemoryMapDescriptorSize, BA1->MemoryMapDescriptorVersion
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);
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DBGnvr(" MemoryMap: 0x%x, MMSize: 0x%x, MMDescSize: 0x%x, MMDescVersion: 0x%x\n",
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BA1->MemoryMap, BA1->MemoryMapSize, BA1->MemoryMapDescriptorSize, BA1->MemoryMapDescriptorVersion
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);
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DBG(" Boot_Video v_baseAddr: 0x%x, v_display: 0x%x, v_rowBytes: 0x%x, v_width: %d, v_height: %d, v_depth: %d\n",
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BA1->Video.v_baseAddr, BA1->Video.v_display,
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BA1->Video.v_rowBytes, BA1->Video.v_width, BA1->Video.v_height, BA1->Video.v_depth
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);
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DBGnvr(" Boot_Video v_baseAddr: 0x%x, v_display: 0x%x, v_rowBytes: 0x%x, v_width: %d, v_height: %d, v_depth: %d\n",
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BA1->Video.v_baseAddr, BA1->Video.v_display,
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BA1->Video.v_rowBytes, BA1->Video.v_width, BA1->Video.v_height, BA1->Video.v_depth
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);
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DBG(" deviceTreeP: 0x%x, deviceTreeLength: 0x%x, kaddr: 0x%x, ksize: 0x%x\n",
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BA1->deviceTreeP, BA1->deviceTreeLength, BA1->kaddr, BA1->ksize
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);
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DBGnvr(" deviceTreeP: 0x%x, deviceTreeLength: 0x%x, kaddr: 0x%x, ksize: 0x%x\n",
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BA1->deviceTreeP, BA1->deviceTreeLength, BA1->kaddr, BA1->ksize
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);
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DBG(" efiRTServPgStart: 0x%x, efiRTServPgCount: 0x%x, efiRTServVPgStart: 0x%lx\n",
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BA1->efiRuntimeServicesPageStart, BA1->efiRuntimeServicesPageCount, BA1->efiRuntimeServicesVirtualPageStart
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);
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DBGnvr(" efiRTServPgStart: 0x%x, efiRTServPgCount: 0x%x, efiRTServVPgStart: 0x%lx\n",
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BA1->efiRuntimeServicesPageStart, BA1->efiRuntimeServicesPageCount, BA1->efiRuntimeServicesVirtualPageStart
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);
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DBG(" efiSystemTable: 0x%x, res2: 0x%x, perfDataStart: 0x%x, perfDataSize: 0x%x\n",
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BA1->efiSystemTable, BA1->__reserved2, BA1->performanceDataStart, BA1->performanceDataSize
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);
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DBGnvr(" efiSystemTable: 0x%x, res2: 0x%x, perfDataStart: 0x%x, perfDataSize: 0x%x\n",
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BA1->efiSystemTable, BA1->__reserved2, BA1->performanceDataStart, BA1->performanceDataSize
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);
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DBG(" res30: %x, res31: %x\n", BA1->__reserved3[0], BA1->__reserved3[1]);
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DBGnvr(" res30: %x, res31: %x\n", BA1->__reserved3[0], BA1->__reserved3[1]);
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} else {
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// Lion and up
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DBG("BootArgs at 0x%p\n", BA2);
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DBGnvr("BootArgs at 0x%p\n", BA2);
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DBG(" Revision: 0x%x, Version: 0x%x, efiMode: 0x%x (%d), debugMode: 0x%x, flags: 0x%x\n",
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BA2->Revision, BA2->Version, BA2->efiMode, BA2->efiMode, BA2->debugMode, BA2->flags
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);
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DBGnvr(" Revision: 0x%x, Version: 0x%x, efiMode: 0x%x (%d), debugMode: 0x%x, flags: 0x%x\n",
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BA2->Revision, BA2->Version, BA2->efiMode, BA2->efiMode, BA2->debugMode, BA2->flags
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);
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DBG(" CommandLine: %a\n", BA2->CommandLine);
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DBGnvr(" CommandLine: %a\n", BA2->CommandLine);
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DBG(" MemoryMap: 0x%x, MMSize: 0x%x, MMDescSize: 0x%x, MMDescVersion: 0x%x\n",
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BA2->MemoryMap, BA2->MemoryMapSize, BA2->MemoryMapDescriptorSize, BA2->MemoryMapDescriptorVersion
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);
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DBGnvr(" MemoryMap: 0x%x, MMSize: 0x%x, MMDescSize: 0x%x, MMDescVersion: 0x%x\n",
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BA2->MemoryMap, BA2->MemoryMapSize, BA2->MemoryMapDescriptorSize, BA2->MemoryMapDescriptorVersion
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);
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DBG(" Boot_Video v_baseAddr: 0x%x, v_display: 0x%x, v_rowBytes: 0x%x, v_width: %d, v_height: %d, v_depth: %d\n",
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BA2->Video.v_baseAddr, BA2->Video.v_display,
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BA2->Video.v_rowBytes, BA2->Video.v_width, BA2->Video.v_height, BA2->Video.v_depth
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);
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DBGnvr(" Boot_Video v_baseAddr: 0x%x, v_display: 0x%x, v_rowBytes: 0x%x, v_width: %d, v_height: %d, v_depth: %d\n",
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BA2->Video.v_baseAddr, BA2->Video.v_display,
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BA2->Video.v_rowBytes, BA2->Video.v_width, BA2->Video.v_height, BA2->Video.v_depth
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);
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DBG(" deviceTreeP: 0x%x, deviceTreeLength: 0x%x, kaddr: 0x%x, ksize: 0x%x\n",
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BA2->deviceTreeP, BA2->deviceTreeLength, BA2->kaddr, BA2->ksize
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);
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DBGnvr(" deviceTreeP: 0x%x, deviceTreeLength: 0x%x, kaddr: 0x%x, ksize: 0x%x\n",
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BA2->deviceTreeP, BA2->deviceTreeLength, BA2->kaddr, BA2->ksize
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);
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DBG(" efiRTServPgStart: 0x%x, efiRTServPgCount: 0x%x, efiRTServVPgStart: 0x%lx\n",
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BA2->efiRuntimeServicesPageStart, BA2->efiRuntimeServicesPageCount, BA2->efiRuntimeServicesVirtualPageStart
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);
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DBGnvr(" efiRTServPgStart: 0x%x, efiRTServPgCount: 0x%x, efiRTServVPgStart: 0x%lx\n",
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BA2->efiRuntimeServicesPageStart, BA2->efiRuntimeServicesPageCount, BA2->efiRuntimeServicesVirtualPageStart
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);
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DBG(" efiSystemTable: 0x%x, kslide: 0x%x, perfDataStart: 0x%x, perfDataSize: 0x%x\n",
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BA2->efiSystemTable, BA2->kslide, BA2->performanceDataStart, BA2->performanceDataSize
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);
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DBGnvr(" efiSystemTable: 0x%x, kslide: 0x%x, perfDataStart: 0x%x, perfDataSize: 0x%x\n",
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BA2->efiSystemTable, BA2->kslide, BA2->performanceDataStart, BA2->performanceDataSize
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);
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DBG(" keyStDtStart: 0x%x, keyStDtSize: 0x%x, bootMemStart: 0x%lx, bootMemSize: 0x%lx\n",
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BA2->keyStoreDataStart, BA2->keyStoreDataSize, BA2->bootMemStart, BA2->bootMemSize
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);
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DBGnvr(" keyStDtStart: 0x%x, keyStDtSize: 0x%x, bootMemStart: 0x%lx, bootMemSize: 0x%lx\n",
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BA2->keyStoreDataStart, BA2->keyStoreDataSize, BA2->bootMemStart, BA2->bootMemSize
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);
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DBG(" PhysicalMemorySize: 0x%lx (%d GB), FSBFrequency: 0x%lx (%d MHz)\n",
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BA2->PhysicalMemorySize, BA2->PhysicalMemorySize / (1024 * 1024 * 1024),
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BA2->FSBFrequency, BA2->FSBFrequency / 1000000
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);
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DBGnvr(" PhysicalMemorySize: 0x%lx (%d GB), FSBFrequency: 0x%lx (%d MHz)\n",
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BA2->PhysicalMemorySize, BA2->PhysicalMemorySize / (1024 * 1024 * 1024),
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BA2->FSBFrequency, BA2->FSBFrequency / 1000000
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);
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DBG(" pciConfigSpaceBaseAddress: 0x%lx, pciConfigSpaceStartBusNumber: 0x%x, pciConfigSpaceEndBusNumber: 0x%x\n",
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BA2->pciConfigSpaceBaseAddress, BA2->pciConfigSpaceStartBusNumber, BA2->pciConfigSpaceEndBusNumber
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);
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DBGnvr(" pciConfigSpaceBaseAddress: 0x%lx, pciConfigSpaceStartBusNumber: 0x%x, pciConfigSpaceEndBusNumber: 0x%x\n",
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BA2->pciConfigSpaceBaseAddress, BA2->pciConfigSpaceStartBusNumber, BA2->pciConfigSpaceEndBusNumber
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);
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}
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#endif
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}
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BootArgs gBootArgs;
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BootArgs*
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EFIAPI
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GetBootArgs(VOID *bootArgs)
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{
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BootArgs1 *BA1 = bootArgs;
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BootArgs2 *BA2 = bootArgs;
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ZeroMem(&gBootArgs, sizeof(gBootArgs));
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if (BA1->Version == kBootArgsVersion1) {
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// pre Lion
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gBootArgs.MemoryMap = &BA1->MemoryMap;
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gBootArgs.MemoryMapSize = &BA1->MemoryMapSize;
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gBootArgs.MemoryMapDescriptorSize = &BA1->MemoryMapDescriptorSize;
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gBootArgs.MemoryMapDescriptorVersion = &BA1->MemoryMapDescriptorVersion;
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gBootArgs.deviceTreeP = &BA1->deviceTreeP;
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gBootArgs.deviceTreeLength = &BA1->deviceTreeLength;
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gBootArgs.kaddr = &BA1->kaddr;
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gBootArgs.ksize = &BA1->ksize;
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gBootArgs.efiRuntimeServicesPageStart = &BA1->efiRuntimeServicesPageStart;
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gBootArgs.efiRuntimeServicesPageCount = &BA1->efiRuntimeServicesPageCount;
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gBootArgs.efiRuntimeServicesVirtualPageStart = &BA1->efiRuntimeServicesVirtualPageStart;
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gBootArgs.efiSystemTable = &BA1->efiSystemTable;
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} else {
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// Lion and up
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gBootArgs.MemoryMap = &BA2->MemoryMap;
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gBootArgs.MemoryMapSize = &BA2->MemoryMapSize;
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gBootArgs.MemoryMapDescriptorSize = &BA2->MemoryMapDescriptorSize;
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gBootArgs.MemoryMapDescriptorVersion = &BA2->MemoryMapDescriptorVersion;
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gBootArgs.deviceTreeP = &BA2->deviceTreeP;
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gBootArgs.deviceTreeLength = &BA2->deviceTreeLength;
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gBootArgs.kaddr = &BA2->kaddr;
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gBootArgs.ksize = &BA2->ksize;
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gBootArgs.efiRuntimeServicesPageStart = &BA2->efiRuntimeServicesPageStart;
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gBootArgs.efiRuntimeServicesPageCount = &BA2->efiRuntimeServicesPageCount;
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gBootArgs.efiRuntimeServicesVirtualPageStart = &BA2->efiRuntimeServicesVirtualPageStart;
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gBootArgs.efiSystemTable = &BA2->efiSystemTable;
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}
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return &gBootArgs;
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}
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VOID
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EFIAPI
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BootArgsFix(BootArgs *BA, EFI_PHYSICAL_ADDRESS gRellocBase)
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{
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*BA->MemoryMap = *BA->MemoryMap - (UINT32)gRellocBase;
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*BA->deviceTreeP = *BA->deviceTreeP - (UINT32)gRellocBase;
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*BA->kaddr = *BA->kaddr - (UINT32)gRellocBase;
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}
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/** Searches for bootArgs from Start and returns pointer to bootArgs or ... does not return if can not be found. **/
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VOID *
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EFIAPI
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BootArgsFind(IN EFI_PHYSICAL_ADDRESS Start)
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{
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UINT8 *ptr;
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UINT8 archMode = sizeof(UINTN) * 8;
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BootArgs1 *BA1;
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BootArgs2 *BA2;
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// start searching from 0x200000.
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ptr = (UINT8*)(UINTN)Start;
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while(TRUE) {
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// check bootargs for 10.7 and up
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BA2 = (BootArgs2*)ptr;
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if (BA2->Version==2 && BA2->Revision==0
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// plus additional checks - some values are not inited by boot.efi yet
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&& BA2->efiMode == archMode
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&& BA2->kaddr == 0 && BA2->ksize == 0
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&& BA2->efiSystemTable == 0
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)
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{
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break;
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}
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// check bootargs for 10.4 - 10.6.x
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BA1 = (BootArgs1*)ptr;
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if (BA1->Version==1
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&& (BA1->Revision==6 || BA1->Revision==5 || BA1->Revision==4)
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// plus additional checks - some values are not inited by boot.efi yet
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&& BA1->efiMode == archMode
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&& BA1->kaddr == 0 && BA1->ksize == 0
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&& BA1->efiSystemTable == 0
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)
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{
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break;
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}
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ptr += 0x1000;
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}
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DBG("Found bootArgs2 at %p\n", ptr);
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return ptr;
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}
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