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Kernel: start work on higher half kernel

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Bananymous
2023-05-30 08:00:17 +03:00
parent 79315d318c
commit 0907965dc5
5 changed files with 65 additions and 28 deletions
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7
kernel/arch/x86_64/IDT.cpp
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@@ -101,6 +101,9 @@ namespace IDT
extern "C" void cpp_isr_handler(uint64_t isr, uint64_t error, const Registers* regs)
{
pid_t tid = Kernel::Scheduler::current_tid();
pid_t pid = tid ? Kernel::Process::current().pid() : 0;
dwarnln(
"{} (error code: 0x{16H}), pid {}, tid {}\r\n"
"Register dump\r\n"
@@ -108,14 +111,14 @@ namespace IDT
"rsp=0x{16H}, rbp=0x{16H}, rdi=0x{16H}, rsi=0x{16H}\r\n"
"rip=0x{16H}, rflags=0x{16H}\r\n"
"cr0=0x{16H}, cr2=0x{16H}, cr3=0x{16H}, cr4=0x{16H}",
isr_exceptions[isr], error, Kernel::Process::current().pid(), Kernel::Thread::current().tid(),
isr_exceptions[isr], error, pid, tid,
regs->rax, regs->rbx, regs->rcx, regs->rdx,
regs->rsp, regs->rbp, regs->rdi, regs->rsi,
regs->rip, regs->rflags,
regs->cr0, regs->cr2, regs->cr3, regs->cr4
);
if (Kernel::Thread::current().is_userspace() && !Kernel::Thread::current().is_in_syscall())
if (tid && Kernel::Thread::current().is_userspace() && !Kernel::Thread::current().is_in_syscall())
{
auto message = BAN::String::formatted("{}, aborting\n", isr_exceptions[isr]);
(void)Kernel::Process::current().write(STDERR_FILENO, message.data(), message.size());