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;
}
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();
}
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();
}
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();
}