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Add a threading syscall API.

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This commit is contained in:
Drew Galbraith 2023-06-06 16:24:03 -07:00
parent e2aad55a8a
commit ef8eb5d993
14 changed files with 235 additions and 30 deletions
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14
zion/scheduler/thread.cpp
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@ -9,7 +9,8 @@
namespace {
extern "C" void jump_user_space(uint64_t rip, uint64_t rsp);
extern "C" void jump_user_space(uint64_t rip, uint64_t rsp, uint64_t arg1,
uint64_t arg2);
extern "C" void thread_init() {
asm("sti");
@ -40,11 +41,20 @@ Thread::Thread(Process& proc, uint64_t tid, uint64_t entry)
uint64_t Thread::pid() const { return process_.id(); }
void Thread::Start(uint64_t entry, uint64_t arg1, uint64_t arg2) {
rip_ = entry;
arg1_ = arg1;
arg2_ = arg2;
state_ = RUNNABLE;
// Get from parent to avoid creating a new shared ptr.
gScheduler->Enqueue(process_.GetThread(id_));
}
void Thread::Init() {
dbgln("Thread start.", pid(), id_);
uint64_t rsp = process_.vmm().AllocateUserStack();
SetRsp0(rsp0_start_);
jump_user_space(rip_, rsp);
jump_user_space(rip_, rsp, arg1_, arg2_);
}
void Thread::Exit() {