Fennix/Kernel
1
0
Fork 0
mirror of https://github.com/Fennix-Project/Kernel.git synced 2025-07-05 20:39:19 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed wrong stack pointer & new tss command for crash screen

Browse Source
This commit is contained in:
Alex
2022-12-07 04:15:20 +02:00
parent b9f8e976f6
commit eab80c215c
6 changed files with 44 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
Architecture/amd64/cpu/GlobalDescriptorTable.cpp
View File

@ -75,7 +75,7 @@ namespace GlobalDescriptorTable
// tss
{}};
static GlobalDescriptorTableEntries GDTEntries[MAX_CPU];
GlobalDescriptorTableEntries GDTEntries[MAX_CPU];
GlobalDescriptorTableDescriptor gdt[MAX_CPU];
TaskStateSegment tss[MAX_CPU] = {
@ -145,9 +145,14 @@ namespace GlobalDescriptorTable
SafeFunction void SetKernelStack(void *Stack)
{
if (Stack)
tss[GetCurrentCPU()->ID].StackPointer[0] = (uint64_t)Stack;
long CPUID = GetCurrentCPU()->ID;
if (Stack != nullptr)
tss[CPUID].StackPointer[0] = (uint64_t)Stack;
else
tss[GetCurrentCPU()->ID].StackPointer[0] = (uint64_t)CPUStackPointer[GetCurrentCPU()->ID] + STACK_SIZE;
tss[CPUID].StackPointer[0] = (uint64_t)CPUStackPointer[CPUID] + STACK_SIZE;
// TODO: This may cause problems in the future I guess? This should be checked later
asmv("mov %%rsp, %0"
: "=r"(tss[CPUID].StackPointer[0]));
}
}