1 /* 2 * PROJECT: ReactOS HAL 3 * LICENSE: BSD - See COPYING.ARM in the top level directory 4 * FILE: hal/halarm/generic/halinit.c 5 * PURPOSE: HAL Entrypoint and Initialization 6 * PROGRAMMERS: ReactOS Portable Systems Group 7 */ 8 9 /* INCLUDES *******************************************************************/ 10 11 #include <hal.h> 12 #define NDEBUG 13 #include <debug.h> 14 15 /* GLOBALS ********************************************************************/ 16 17 /* PRIVATE FUNCTIONS **********************************************************/ 18 19 VOID 20 NTAPI 21 HalpGetParameters(IN PLOADER_PARAMETER_BLOCK LoaderBlock) 22 { 23 PCHAR CommandLine; 24 25 /* Make sure we have a loader block and command line */ 26 if ((LoaderBlock) && (LoaderBlock->LoadOptions)) 27 { 28 /* Read the command line */ 29 CommandLine = LoaderBlock->LoadOptions; 30 31 /* Check for initial breakpoint */ 32 if (strstr(CommandLine, "BREAK")) DbgBreakPoint(); 33 } 34 } 35 36 /* FUNCTIONS ******************************************************************/ 37 38 /* 39 * @implemented 40 */ 41 BOOLEAN 42 NTAPI 43 HalInitSystem(IN ULONG BootPhase, 44 IN PLOADER_PARAMETER_BLOCK LoaderBlock) 45 { 46 PKPRCB Prcb = KeGetCurrentPrcb(); 47 48 /* Check the boot phase */ 49 if (!BootPhase) 50 { 51 /* Get command-line parameters */ 52 HalpGetParameters(LoaderBlock); 53 54 /* Checked HAL requires checked kernel */ 55 #if DBG 56 if (!(Prcb->BuildType & PRCB_BUILD_DEBUG)) 57 { 58 /* No match, bugcheck */ 59 KeBugCheckEx(MISMATCHED_HAL, 2, Prcb->BuildType, 1, 0); 60 } 61 #else 62 /* Release build requires release HAL */ 63 if (Prcb->BuildType & PRCB_BUILD_DEBUG) 64 { 65 /* No match, bugcheck */ 66 KeBugCheckEx(MISMATCHED_HAL, 2, Prcb->BuildType, 0, 0); 67 } 68 #endif 69 70 #ifdef CONFIG_SMP 71 /* SMP HAL requires SMP kernel */ 72 if (Prcb->BuildType & PRCB_BUILD_UNIPROCESSOR) 73 { 74 /* No match, bugcheck */ 75 KeBugCheckEx(MISMATCHED_HAL, 2, Prcb->BuildType, 0, 0); 76 } 77 #endif 78 79 /* Validate the PRCB */ 80 if (Prcb->MajorVersion != PRCB_MAJOR_VERSION) 81 { 82 /* Validation failed, bugcheck */ 83 KeBugCheckEx(MISMATCHED_HAL, 1, Prcb->MajorVersion, 1, 0); 84 } 85 86 /* Initialize interrupts */ 87 HalpInitializeInterrupts(); 88 89 /* Force initial PIC state */ 90 KfRaiseIrql(KeGetCurrentIrql()); 91 92 /* Fill out the dispatch tables */ 93 //HalQuerySystemInformation = NULL; // FIXME: TODO; 94 //HalSetSystemInformation = NULL; // FIXME: TODO; 95 //HalInitPnpDriver = NULL; // FIXME: TODO 96 //HalGetDmaAdapter = NULL; // FIXME: TODO; 97 //HalGetInterruptTranslator = NULL; // FIXME: TODO 98 //HalResetDisplay = NULL; // FIXME: TODO; 99 //HalHaltSystem = NULL; // FIXME: TODO; 100 101 /* Setup I/O space */ 102 //HalpDefaultIoSpace.Next = HalpAddressUsageList; 103 //HalpAddressUsageList = &HalpDefaultIoSpace; 104 105 /* Setup busy waiting */ 106 //HalpCalibrateStallExecution(); 107 108 /* Initialize the clock */ 109 HalpInitializeClock(); 110 111 /* Setup time increments to 10ms and 1ms */ 112 HalpCurrentTimeIncrement = 100000; 113 HalpNextTimeIncrement = 100000; 114 HalpNextIntervalCount = 0; 115 KeSetTimeIncrement(100000, 10000); 116 117 /* 118 * We could be rebooting with a pending profile interrupt, 119 * so clear it here before interrupts are enabled 120 */ 121 HalStopProfileInterrupt(ProfileTime); 122 123 /* Do some HAL-specific initialization */ 124 HalpInitPhase0(LoaderBlock); 125 } 126 else if (BootPhase == 1) 127 { 128 /* Enable timer interrupt */ 129 HalpEnableInterruptHandler(IDT_DEVICE, 130 0, 131 PRIMARY_VECTOR_BASE, 132 CLOCK2_LEVEL, 133 HalpClockInterrupt, 134 Latched); 135 #if 0 136 /* Enable IRQ 8 */ 137 HalpEnableInterruptHandler(IDT_DEVICE, 138 0, 139 PRIMARY_VECTOR_BASE + 8, 140 PROFILE_LEVEL, 141 HalpProfileInterrupt, 142 Latched); 143 #endif 144 /* Initialize DMA. NT does this in Phase 0 */ 145 //HalpInitDma(); 146 147 /* Do some HAL-specific initialization */ 148 HalpInitPhase1(); 149 } 150 151 /* All done, return */ 152 return TRUE; 153 } 154 155 #include <internal/kd.h> 156 ULONG 157 DbgPrintEarly(const char *fmt, ...) 158 { 159 va_list args; 160 unsigned int i; 161 char Buffer[1024]; 162 PCHAR String = Buffer; 163 164 va_start(args, fmt); 165 i = vsprintf(Buffer, fmt, args); 166 va_end(args); 167 168 /* Output the message */ 169 while (*String != 0) 170 { 171 if (*String == '\n') 172 { 173 KdPortPutByteEx(NULL, '\r'); 174 } 175 KdPortPutByteEx(NULL, *String); 176 String++; 177 } 178 179 return STATUS_SUCCESS; 180 } 181 182 /* EOF */ 183