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Syscalls working as expected

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This commit is contained in:
Alex
2022-11-15 15:09:52 +02:00
parent 5dd496a73f
commit c2628019b7
10 changed files with 61 additions and 53 deletions
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20
Tasking/Task.cpp
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@ -362,9 +362,12 @@ namespace Tasking
schedbg("================================================================");
schedbg("Status: 0-ukn | 1-rdy | 2-run | 3-wait | 4-term");
schedbg("Technical Informations on regs %#lx", Frame->InterruptNumber);
uint64_t ds;
asmv("mov %%ds, %0"
: "=r"(ds));
schedbg("FS=%#lx GS=%#lx SS=%#lx CS=%#lx DS=%#lx",
CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
Frame->ss, Frame->cs, Frame->ds);
Frame->ss, Frame->cs, ds);
schedbg("R8=%#lx R9=%#lx R10=%#lx R11=%#lx",
Frame->r8, Frame->r9, Frame->r10, Frame->r11);
schedbg("R12=%#lx R13=%#lx R14=%#lx R15=%#lx",
@ -486,8 +489,8 @@ namespace Tasking
CurrentCPU->CurrentThread->Registers.ss != GDT_USER_DATA)
{
warn("Wrong CS or SS for user process! (Code:%#lx, Data:%#lx != Code:%#lx, Data:%#lx)",
CurrentCPU->CurrentThread->Registers.cs, CurrentCPU->CurrentThread->Registers.ss,
GDT_USER_CODE, GDT_USER_DATA);
CurrentCPU->CurrentThread->Registers.cs, CurrentCPU->CurrentThread->Registers.ss,
GDT_USER_CODE, GDT_USER_DATA);
CurrentCPU->CurrentThread->Registers.cs = GDT_USER_CODE;
CurrentCPU->CurrentThread->Registers.ss = GDT_USER_DATA;
}
@ -498,8 +501,8 @@ namespace Tasking
CurrentCPU->CurrentThread->Registers.ss != GDT_KERNEL_DATA)
{
warn("Wrong CS or SS for kernel process! (Code:%#lx, Data:%#lx != Code:%#lx, Data:%#lx",
CurrentCPU->CurrentThread->Registers.cs, CurrentCPU->CurrentThread->Registers.ss,
GDT_KERNEL_CODE, GDT_KERNEL_DATA);
CurrentCPU->CurrentThread->Registers.cs, CurrentCPU->CurrentThread->Registers.ss,
GDT_KERNEL_CODE, GDT_KERNEL_DATA);
CurrentCPU->CurrentThread->Registers.cs = GDT_KERNEL_CODE;
CurrentCPU->CurrentThread->Registers.ss = GDT_KERNEL_DATA;
}
@ -553,9 +556,12 @@ namespace Tasking
{
schedbg("================================================================");
schedbg("Technical Informations on Thread %s[%ld]:", CurrentCPU->CurrentThread->Name, CurrentCPU->CurrentThread->ID);
uint64_t ds;
asmv("mov %%ds, %0"
: "=r"(ds));
schedbg("FS=%#lx GS=%#lx SS=%#lx CS=%#lx DS=%#lx",
CPU::x64::rdmsr(CPU::x64::MSR_FS_BASE), CPU::x64::rdmsr(CPU::x64::MSR_GS_BASE),
Frame->ss, Frame->cs, Frame->ds);
Frame->ss, Frame->cs, ds);
schedbg("R8=%#lx R9=%#lx R10=%#lx R11=%#lx",
Frame->r8, Frame->r9, Frame->r10, Frame->r11);
schedbg("R12=%#lx R13=%#lx R14=%#lx R15=%#lx",
@ -725,7 +731,6 @@ namespace Tasking
Thread->GSBase = CPU::x64::rdmsr(CPU::x64::MSRID::MSR_GS_BASE);
Thread->FSBase = CPU::x64::rdmsr(CPU::x64::MSRID::MSR_FS_BASE);
Thread->Registers.cs = GDT_KERNEL_CODE;
Thread->Registers.ds = GDT_KERNEL_DATA;
Thread->Registers.ss = GDT_KERNEL_DATA;
Thread->Registers.rflags.AlwaysOne = 1;
Thread->Registers.rflags.IF = 1;
@ -744,7 +749,6 @@ namespace Tasking
Thread->GSBase = 0;
Thread->FSBase = 0;
Thread->Registers.cs = GDT_USER_CODE;
Thread->Registers.ds = GDT_USER_DATA;
Thread->Registers.ss = GDT_USER_DATA;
Thread->Registers.rflags.AlwaysOne = 1;
// Thread->Registers.rflags.PF = 1;