| #include "platform.h"␊ |
| #include "modules.h"␊ |
| ␊ |
| long gBootMode; /* defaults to 0 == kBootModeNormal */␊ |
| bool gOverrideKernel;␊ |
| static char gBootKernelCacheFile[512];␊ |
| static char gCacheNameAdler[64 + 256];␊ |
| char *gPlatformName = gCacheNameAdler;␊ |
| char gRootDevice[512];␊ |
| char gMKextName[512];␊ |
| char gMacOSVersion[8];␊ |
| bool gEnableCDROMRescan;␊ |
| bool gScanSingleDrive;␊ |
| ␊ |
| int␉␉bvCount = 0;␊ |
| //int␉␉menucount = 0;␊ |
| int␉␉gDeviceCount = 0; ␊ |
| ␊ |
| BVRef␉bvr;␊ |
| BVRef␉menuBVR;␊ |
| BVRef␉bvChain;␊ |
| bool␉useGUI;␊ |
| ␊ |
| //static void selectBiosDevice(void);␊ |
| static unsigned long Adler32(unsigned char *buffer, long length);␊ |
| static bool checkOSVersion(const char * version);␊ |
| static bool getOSVersion();␊ |
| ␊ |
| static bool gUnloadPXEOnExit = false;␊ |
| ␊ |
| /*␊ |
| * How long to wait (in seconds) to load the␊ |
| * kernel after displaying the "boot:" prompt.␊ |
| */␊ |
| #define kBootErrorTimeout 5␊ |
| ␊ |
| bool␉␉gOverrideKernel, gEnableCDROMRescan, gScanSingleDrive, useGUI;␊ |
| static bool␉gUnloadPXEOnExit = false;␊ |
| ␊ |
| static char␉gCacheNameAdler[64 + 256];␊ |
| char␉␉*gPlatformName = gCacheNameAdler;␊ |
| ␊ |
| char␉␉gRootDevice[512];␊ |
| char␉␉gMKextName[512];␊ |
| char␉␉gMacOSVersion[8];␊ |
| static char␉gBootKernelCacheFile[512];␊ |
| int␉␉␉bvCount = 0, gDeviceCount = 0;␊ |
| //int␉␉menucount = 0;␊ |
| long␉␉gBootMode; /* defaults to 0 == kBootModeNormal */␊ |
| BVRef␉␉bvr, menuBVR, bvChain;␊ |
| ␊ |
| static bool␉␉␉␉checkOSVersion(const char * version);␊ |
| static bool␉␉␉␉getOSVersion();␊ |
| static unsigned long␉Adler32(unsigned char *buffer, long length);␊ |
| //static void␉␉␉selectBiosDevice(void);␊ |
| ␊ |
| ␊ |
| //==========================================================================␊ |
| // Zero the BSS.␊ |
| ␊ |
|
| ␊ |
| static void malloc_error(char *addr, size_t size, const char *file, int line)␊ |
| {␊ |
| ␉stop("\nMemory allocation error! Addr=0x%x, Size=0x%x, File=%s, Line=%d\n",␊ |
| ␉stop("\nMemory allocation error! Addr: 0x%x, Size: 0x%x, File: %s, Line: %d\n",␊ |
| ␉␉␉␉␉␉␉␉␉ (unsigned)addr, (unsigned)size, file, line);␊ |
| }␊ |
| ␊ |
|
| ␊ |
| static int ExecKernel(void *binary)␊ |
| {␊ |
| ␉entry_t␉␉␉␉␉ kernelEntry;␊ |
| ␉int␉␉␉␉␉␉ ret;␊ |
| ␉int␉␉␉ret;␊ |
| ␉entry_t␉␉kernelEntry;␊ |
| ␉␊ |
| ␉bootArgs->kaddr = bootArgs->ksize = 0;␊ |
| ␉execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);␊ |
|
| // next boot device on its list.␊ |
| void common_boot(int biosdev)␊ |
| {␊ |
| ␉int␉␉␉␉status;␊ |
| ␉char␉ ␉␉*bootFile;␊ |
| ␉unsigned long␉adler32;␊ |
| ␉bool␉ ␉␉quiet;␊ |
| ␉bool␉ ␉␉firstRun = true;␊ |
| ␉bool␉ ␉␉instantMenu;␊ |
| ␉bool␉ ␉␉rescanPrompt;␊ |
| ␉char␉ ␉␉*bootFile;␊ |
| ␉int␉␉␉␉status;␊ |
| ␉unsigned int␉allowBVFlags = kBVFlagSystemVolume | kBVFlagForeignBoot;␊ |
| ␉unsigned int␉denyBVFlags = kBVFlagEFISystem;␊ |
| ␉unsigned long␉adler32;␊ |
| ␉␊ |
| ␉// Set reminder to unload the PXE base code. Neglect to unload␊ |
| ␉// the base code will result in a hang or kernel panic.␊ |
|
| ␉setBootGlobals(bvChain);␊ |
| ␉␊ |
| ␉// Parse args, load and start kernel.␊ |
| ␉while (1) {␊ |
| ␉␉const char *val;␊ |
| ␉␉int len;␊ |
| ␉␉int trycache;␊ |
| ␉␉long flags, cachetime, kerneltime, exttime, sleeptime, time;␊ |
| ␉␉int ret = -1;␊ |
| ␉␉void *binary = (void *)kLoadAddr;␊ |
| ␉␉bool tryresume;␊ |
| ␉␉bool tryresumedefault;␊ |
| ␉␉bool forceresume;␊ |
| ␉␉bool usecache = false;//true;␊ |
| ␉while (1)␊ |
| ␉{␊ |
| ␉␉bool␉␉tryresume, tryresumedefault, forceresume;␊ |
| ␉␉bool␉␉usecache = false;//true;␊ |
| ␉␉const char␉*val;␊ |
| ␉␉int␉␉␉len, trycache, ret = -1;␊ |
| ␉␉long␉␉flags, cachetime, kerneltime, exttime, sleeptime, time;␊ |
| ␉␉void␉␉*binary = (void *)kLoadAddr;␊ |
| ␉␉␊ |
| ␉␉// additional variable for testing alternate kernel image locations on boot helper partitions.␊ |
| ␉␉char␉ bootFileSpec[512];␊ |
| ␉␉char␉␉bootFileSpec[512];␊ |
| ␉␉␊ |
| ␉␉// Initialize globals.␊ |
| ␉␉␊ |
| ␉␉sysConfigValid = false;␊ |
| ␉␉gErrors␉␉ = false;␊ |
| ␉␉␊ |
|
| ␉␉if (status == -1) continue;␊ |
| ␉␉ ␊ |
| ␉␉status = processBootOptions();␊ |
| ␉␉// Status==1 means to chainboot␊ |
| ␉␉// Status == 1 means to chainboot␊ |
| ␉␉if ( status ==␉1 ) break;␊ |
| ␉␉// Status==-1 means that the config file couldn't be loaded or that gBootVolume is NULL␊ |
| ␉␉// Status == -1 means that the config file couldn't be loaded or that gBootVolume is NULL␊ |
| ␉␉if ( status == -1 )␊ |
| ␉␉{␊ |
| ␉␉␉// gBootVolume == NULL usually means the user hit escape.␊ |
|
| ␉␉␉const char *tmp;␊ |
| ␉␉␉BVRef bvr;␊ |
| ␉␉␉if (!getValueForKey(kWakeImage, &val, &len, &bootInfo->chameleonConfig))␊ |
| ␉␉␉␉val="/private/var/vm/sleepimage";␊ |
| ␉␉␉␉val = "/private/var/vm/sleepimage";␊ |
| ␉␉␉␊ |
| ␉␉␉// Do this first to be sure that root volume is mounted␊ |
| ␉␉␉ret = GetFileInfo(0, val, &flags, &sleeptime);␊ |
|
| ␉␉␉␉␉len--;␊ |
| ␉␉␉␉␉val++;␊ |
| ␉␉␉␉}␊ |
| ␉␉␉␉strlcpy(gBootKernelCacheFile, val, len+1);␊ |
| ␉␉␉␉strlcpy(gBootKernelCacheFile, val, len + 1);␊ |
| ␉␉␉}␊ |
| ␉␉␉else {␊ |
| ␉␉␉␉//Lion␊ |
|
| ␉}␊ |
| ␉␊ |
| ␉// chainboot␊ |
| ␉if (status==1) {␊ |
| ␉if (status == 1) {␊ |
| ␉␉// if we are already in graphics-mode,␊ |
| ␉␉if (getVideoMode() == GRAPHICS_MODE) {␊ |
| ␉␉␉setVideoMode(VGA_TEXT_MODE, 0); // switch back to text mode.␊ |
|
| ␊ |
| bool getOSVersion()␊ |
| {␊ |
| ␉bool valid = false;␊ |
| ␉config_file_t systemVersion;␊ |
| ␉const char *val;␊ |
| ␉int len;␊ |
| ␉bool␉␉␉valid = false;␊ |
| ␉const char␉␉*val;␊ |
| ␉int␉␉␉␉len;␊ |
| ␉config_file_t␉systemVersion;␊ |
| ␉␊ |
| ␉if (!loadConfigFile("System/Library/CoreServices/SystemVersion.plist", &systemVersion))␊ |
| ␉{␊ |
|
| #define NMAX 5000␊ |
| // NMAX (was 5521) the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1␊ |
| ␊ |
| #define DO1(buf,i)␉{s1 += buf[i]; s2 += s1;}␊ |
| #define DO2(buf,i)␉DO1(buf,i); DO1(buf,i+1);␊ |
| #define DO4(buf,i)␉DO2(buf,i); DO2(buf,i+2);␊ |
| #define DO8(buf,i)␉DO4(buf,i); DO4(buf,i+4);␊ |
| #define DO16(buf)␉DO8(buf,0); DO8(buf,8);␊ |
| #define DO1(buf, i)␉{s1 += buf[i]; s2 += s1;}␊ |
| #define DO2(buf, i)␉DO1(buf, i); DO1(buf, i + 1);␊ |
| #define DO4(buf, i)␉DO2(buf, i); DO2(buf, i + 2);␊ |
| #define DO8(buf, i)␉DO4(buf, i); DO4(buf, i + 4);␊ |
| #define DO16(buf)␉DO8(buf, 0); DO8(buf, 8);␊ |
| ␊ |
| unsigned long Adler32(unsigned char *buf, long len)␊ |
| {␊ |
