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banan-os/kernel/arch/i386/Thread.S

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Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
# uint32_t read_rip()
.global read_rip
read_rip:
popl %eax
jmp *%eax
exit_thread_trampoline:
Kernel: Threads cannot take arguments anymore
2023-03-02 01:56:09 +02:00
addl $4, %esp
pushl (%esp)
Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
ret
Kernel: Thread creation now takes void(*)() as entry and void* as data This simplifies threading for the future and gets rid of (undefined?) cast of member function pointer to address
2023-03-09 15:25:39 +02:00
# void start_thread(uint32_t esp, uint32_t eip)
Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
.global start_thread
start_thread:
Kernel: Thread creation now takes void(*)() as entry and void* as data This simplifies threading for the future and gets rid of (undefined?) cast of member function pointer to address
2023-03-09 15:25:39 +02:00
movl 8(%esp), %ecx
movl 4(%esp), %esp
Kernel: Sleep now actually sleeps and allows idling
2023-02-19 17:53:29 +02:00
movl $0, %ebp
Kernel: Thread creation now takes void(*)() as entry and void* as data This simplifies threading for the future and gets rid of (undefined?) cast of member function pointer to address
2023-03-09 15:25:39 +02:00
pushl $exit_thread_trampoline
Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
sti
jmp *%ecx
Kernel: Sleep now actually sleeps and allows idling
2023-02-19 17:53:29 +02:00
# void continue_thread(uint32_t rsp, uint32_t rip)
Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
.global continue_thread
continue_thread:
Kernel: Sleep now actually sleeps and allows idling
2023-02-19 17:53:29 +02:00
movl 8(%esp), %ecx
Kernel: Improve multithreading support We can now use arbitary BAN::function<void(...)> as the Thread. I also implemented multithreading for i386 since it was not done on the initial multithreading commit.
2023-02-02 23:24:12 +02:00
movl 4(%esp), %esp
movl $0, %eax
Kernel: We can create basic userspace processes These are still allocated on the kernel memory
2023-04-12 17:51:36 +03:00
jmp *%ecx
# void thread_jump_userspace(uint32_t rsp, uint32_t rip)
.global thread_jump_userspace
thread_jump_userspace:
movl $0x23, %eax
movw %ax, %ds
movw %ax, %es
movw %ax, %fs
movw %ax, %gs
movl 8(%esp), %ecx
movl 4(%esp), %esp
pushl $0x23
pushl %esp
pushfl
pushl $0x1B
pushl %ecx
iret