public static void Setup()
{
KernelMessage.WriteLine("Setup ELF Headers");
//KernelMessage.WriteLine("Image Header:");
//KernelMemory.DumpToConsoleLine(Address.KernelElfSection, 124);
Main = FromAddress(Address.KernelElfSection);
Native = FromSectionName("native");
}
static void SetupOriginalKernelElf()
{
uint kernelElfHeaderAddr = Address.OriginalKernelElfSection;
var kernelElfHeader = (ElfHeader *)kernelElfHeaderAddr;
OriginalKernelElf = new ElfHelper
{
PhyOffset = kernelElfHeaderAddr,
SectionHeaderArray = (ElfSectionHeader *)(kernelElfHeaderAddr + kernelElfHeader->ShOff),
SectionHeaderCount = kernelElfHeader->ShNum,
StringTableSectionHeaderIndex = kernelElfHeader->ShStrNdx
};
OriginalKernelElf.Init();
}
/// <summary>
/// Currently unused, because Kernel is loaded via from kernel.loader
/// </summary>
/*unsafe static ElfHelper FromMultiBootInfo(MultiBootInfo* multiBootInfo)
* {
* var helper = new ElfHelper
* {
* SectionHeaderArray = (ElfSectionHeader*)multiBootInfo->ElfSectionHeader->Addr,
* StringTableSectionHeaderIndex = multiBootInfo->ElfSectionHeader->Shndx,
* SectionHeaderCount = multiBootInfo->ElfSectionHeader->Count
* };
* helper.Init();
* return helper;
* }*/
unsafe static ElfHelper FromAddress(Addr elfStart)
{
var elfHeader = (ElfHeader *)elfStart;
if (elfHeader->Ident1 != ElfHeader.Magic1)
{
KernelMessage.WriteLine("No valid ELF found at {0:X8}", elfStart);
// TODO: Throw Excetion
}
var helper = new ElfHelper
{
PhyOffset = elfStart,
SectionHeaderArray = (ElfSectionHeader *)(elfStart + elfHeader->ShOff),
SectionHeaderCount = elfHeader->ShNum,
StringTableSectionHeaderIndex = elfHeader->ShStrNdx
};
helper.Init();
return(helper);
}
