cca8e8b3ad
First pass at passing module data to drivers in init. Also fix some remaining __handle_self references.
66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
// The kernel depends on libj6 for some shared code,
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// but should not include the user-specific code.
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#ifndef __j6kernel
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#include <string.h>
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#include <j6/errors.h>
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#include <j6/flags.h>
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#include <j6/syscalls.h>
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#include <j6/thread.hh>
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namespace j6 {
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static constexpr size_t stack_size = 0x10000;
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static constexpr size_t zeros_size = 0x10;
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thread::thread(thread::proc p, uintptr_t stack_top) :
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m_stack {j6_handle_invalid},
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m_thread {j6_handle_invalid},
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m_stack_top {stack_top},
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m_proc {p}
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{
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uintptr_t stack_base = stack_top - stack_size;
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m_status = j6_vma_create_map(&m_stack, stack_size, stack_base, j6_vm_flag_write);
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if (m_status != j6_status_ok)
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return;
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m_stack_top -= zeros_size;
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memset(reinterpret_cast<void*>(m_stack_top), 0, zeros_size);
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}
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j6_status_t
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thread::start(void *user)
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{
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if (m_status != j6_status_ok)
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return m_status;
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if (m_thread != j6_handle_invalid)
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return j6_err_invalid_arg;
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uint64_t arg0 = reinterpret_cast<uint64_t>(this);
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uint64_t arg1 = reinterpret_cast<uint64_t>(user);
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m_status = j6_thread_create(&m_thread, 0,
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m_stack_top, reinterpret_cast<uintptr_t>(init_proc),
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arg0, arg1);
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return m_status;
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}
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void
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thread::join()
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{
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j6_thread_join(m_thread);
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}
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void
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thread::init_proc(thread *t, void *user)
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{
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t->m_proc(user);
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j6_thread_exit();
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}
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} // namespace j6
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#endif // __j6kernel
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