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Kernel: Usespace threads now have an interrupt stack

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Bananymous
2023-04-25 14:48:58 +03:00
parent f1a0625b61
commit dc0f8b383f
2 changed files with 34 additions and 14 deletions
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28
kernel/include/kernel/Thread.h
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@@ -46,6 +46,9 @@ namespace Kernel
uintptr_t stack_base() const { return (uintptr_t)m_stack_base; }
size_t stack_size() const { return m_stack_size; }
uintptr_t interrupt_stack_base() const { return (uintptr_t)m_interrupt_stack; }
uintptr_t interrupt_stack_size() const { return m_interrupt_stack_size; }
static Thread& current() ;
Process& process();
bool has_process() const { return m_process; }
@@ -55,25 +58,22 @@ namespace Kernel
private:
Thread(pid_t tid, Process*);
void validate_stack() const
{
if (!m_in_syscall)
if (!(stack_base() <= m_rsp && m_rsp <= stack_base() + stack_size()))
Kernel::panic("rsp {8H}, stack {8H}->{8H}", m_rsp, stack_base(), stack_base() + stack_size());
}
void validate_stack() const;
BAN::ErrorOr<void> initialize(entry_t, void*);
void on_exit();
private:
static constexpr size_t m_stack_size = 4096 * 1;
void* m_stack_base { nullptr };
uintptr_t m_rip { 0 };
uintptr_t m_rsp { 0 };
const pid_t m_tid { 0 };
State m_state { State::NotStarted };
Process* m_process { nullptr };
bool m_in_syscall { false };
static constexpr size_t m_stack_size = 4096 * 1;
static constexpr size_t m_interrupt_stack_size = 4096;
void* m_interrupt_stack { nullptr };
void* m_stack_base { nullptr };
uintptr_t m_rip { 0 };
uintptr_t m_rsp { 0 };
const pid_t m_tid { 0 };
State m_state { State::NotStarted };
Process* m_process { nullptr };
bool m_in_syscall { false };
friend class Scheduler;
};