コード例 #1
0
ファイル: Main.cpp プロジェクト: Alexis97/FreeNOS
extern C int kernel_main(u32 r0, u32 r1, u32 r2)
{
    // Invalidate all caches now
    Arch::Cache cache;
    cache.invalidate(Cache::Unified);

#ifdef ARMV7
    // Raise the SMP bit for ARMv7
    ARMControl ctrl;
    ctrl.set(ARMControl::SMPBit);
#endif

    // Retrieve boot image from ATAGS
    Arch::MemoryMap mem;
    BroadcomInterrupt irq;
    ARMTags tags(r2);
    Memory::Range initrd = tags.getInitRd2();

    // Fill coreInfo
    MemoryBlock::set(&coreInfo, 0, sizeof(CoreInfo));
    coreInfo.bootImageAddress = initrd.phys;
    coreInfo.bootImageSize    = initrd.size;
    coreInfo.kernel.phys      = 0;
    coreInfo.kernel.size      = MegaByte(4);
    coreInfo.memory.phys      = 0;
    coreInfo.memory.size      = MegaByte(512);

    // Initialize heap
    Kernel::heap( MegaByte(3), MegaByte(1) );

    // TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
    constructors();

    // Open the serial console as default Log
    RaspiSerial console;
    console.setMinimumLogLevel(Log::Notice);

    // Create the kernel
    ARMKernel kernel(&irq, &coreInfo);

    // Run the kernel
    return kernel.run();
}
コード例 #2
0
ファイル: Main.cpp プロジェクト: nikiie007/FreeNOS
extern C int kernel_main(void)
{
    // Initialize heap
    Memory::initialize(0x00300000);

    RaspiSerial console;

    // TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
    constructors();

    // TODO: this should be done from the support library too.
    // Later, a user-process should monitor the kernel console buffer and write
    // it to the selected console for the kernel.
#define BANNER \
    "FreeNOS " RELEASE " [" ARCH "/" SYSTEM "] (" BUILDUSER "@" BUILDHOST ") (" COMPILER_VERSION ") " DATETIME "\r\n"

    console.setMinimumLogLevel(Log::Debug);
    console.write(BANNER);
    console.write(COPYRIGHT "\r\n");
    NOTICE("Initializing subsystems");

    ARMMemory mem(128 * 1024 * 1024);
    ARMFactory fac;
    ProcessScheduler sched;
    ProcessManager procs(&fac, &sched);
    ARMKernel kernel(&mem, &procs);

    while (true)
	console.put(console.get());

    return 0;
}
コード例 #3
0
ファイル: Main.cpp プロジェクト: 0xbda2d2f8/FreeNOS
extern C int kernel_main(u32 r0, u32 r1, u32 r2)
{
    Arch::MemoryMap mem;
    BroadcomInterrupt irq;
    ARMTags tags(r2);
    Memory::Range initrd = tags.getInitRd2();

    // Fill coreInfo
    MemoryBlock::set(&coreInfo, 0, sizeof(CoreInfo));
    coreInfo.bootImageAddress = initrd.phys;
    coreInfo.bootImageSize    = initrd.size;
    coreInfo.kernel.phys      = 0;
    coreInfo.kernel.size      = MegaByte(4);
    coreInfo.memory.phys      = 0;
    coreInfo.memory.size      = MegaByte(512);

    // Initialize heap
    Kernel::heap( MegaByte(3), MegaByte(1) );

    // TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
    constructors();

    // Open the serial console as default Log
    RaspiSerial console;
    console.setMinimumLogLevel(Log::Notice);

    // Create the kernel
    ARMKernel kernel(&irq, &coreInfo);

    // Print some info
    DEBUG("ATAGS = " << r2);
    ARMControl ctrl;
    DEBUG("MainID = " << ctrl.read(ARMControl::MainID));
    ctrl.write(ARMControl::UserProcID, 11223344);
    DEBUG("UserProcID = " << ctrl.read(ARMControl::UserProcID));

    // Run the kernel
    return kernel.run();
}
コード例 #4
0
ファイル: Main.cpp プロジェクト: poluo/FreeNOS
extern C int kernel_main(u32 r0, u32 r1, u32 r2)
{
    Arch::MemoryMap mem;
    BCM2835Interrupt irq;

    // Initialize heap
    Kernel::heap( MegaByte(3), MegaByte(1) );

    // TODO: put this in the boot.S, or maybe hide it in the support library? maybe a _run_main() or something.
    constructors();

    // Open the serial console as default Log
    RaspiSerial console;
    console.setMinimumLogLevel(Log::Notice);

    // Kernel memory range
    Memory::Range kernelRange;
    kernelRange.phys = 0;
    kernelRange.size = MegaByte(4);

    // RAM physical range
    Memory::Range ramRange;
    ramRange.phys = 0;
    ramRange.size = MegaByte(512);

    // Create the kernel
    ARMKernel kernel(kernelRange, ramRange, &irq, r2);

    // Print some info
    DEBUG("ATAGS = " << r2);
    ARMControl ctrl;
    DEBUG("MainID = " << ctrl.read(ARMControl::MainID));
    ctrl.write(ARMControl::UserProcID, 11223344);
    DEBUG("UserProcID = " << ctrl.read(ARMControl::UserProcID));

    // Run the kernel
    return kernel.run();
}