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Add Regions concept to Task.

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This commit is contained in:
Andreas Kling 2018-10-18 14:53:00 +02:00
parent 5b10846bed
commit 3649638259
7 changed files with 131 additions and 41 deletions
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26
Kernel/i386.cpp
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@ -73,12 +73,22 @@ EH_ENTRY(13);
void exception_13_handler()
{
auto& regs = *reinterpret_cast<RegisterDump*>(exception_state_dump);
kprintf("Process crash: %u(%s)\n", current->pid(), current->name().characters());
kprintf("%s crash: %u(%s)\n", current->isRing0() ? "Kernel" : "Process", current->pid(), current->name().characters());
word ss;
dword esp;
if (current->isRing0()) {
ss = regs.ds;
esp = regs.esp;
} else {
ss = regs.ss_if_crossRing;
esp = regs.esp_if_crossRing;
}
kprintf("exception code: %w\n", exception_code);
kprintf("pc=%w:%x ds=%w es=%w fs=%w gs=%w\n", regs.cs, regs.eip, regs.ds, regs.es, regs.fs, regs.gs);
kprintf("eax=%x ebx=%x ecx=%x edx=%x\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
kprintf("ebp=%x esp=%x esi=%x edi=%x\n", regs.ebp, regs.esp, regs.esi, regs.edi);
kprintf("ebp=%x esp=%x esi=%x edi=%x\n", regs.ebp, esp, regs.esi, regs.edi);
if (current->isRing0()) {
kprintf("Oh shit, we've crashed in ring 0 :(\n");
@ -104,10 +114,20 @@ void exception_14_handler()
exception_code & 2 ? "write" : "read",
faultAddress);
word ss;
dword esp;
if (current->isRing0()) {
ss = regs.ds;
esp = regs.esp;
} else {
ss = regs.ss_if_crossRing;
esp = regs.esp_if_crossRing;
}
kprintf("exception code: %w\n", exception_code);
kprintf("pc=%w:%x ds=%w es=%w fs=%w gs=%w\n", regs.cs, regs.eip, regs.ds, regs.es, regs.fs, regs.gs);
kprintf("eax=%x ebx=%x ecx=%x edx=%x\n", regs.eax, regs.ebx, regs.ecx, regs.edx);
kprintf("ebp=%x esp=%x esi=%x edi=%x\n", regs.ebp, regs.esp, regs.esi, regs.edi);
kprintf("ebp=%x esp=%x esi=%x edi=%x\n", regs.ebp, esp, regs.esi, regs.edi);
if (current->isRing0())
HANG;