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

38 lines
699 B
ArmAsm

# uint32_t read_rip()
.global read_rip
read_rip:
popl %eax
jmp *%eax
exit_thread_trampoline:
addl $16, %esp
popl %eax
pushl $0x696969
pushl %eax
ret
# void start_thread(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint32_t arg3, uint32_t rsp, uint32_t rbp, uint32_t rip)
.global start_thread
start_thread:
movl %esp, %eax
movl 28(%eax), %ecx
movl 24(%eax), %ebp
movl 20(%eax), %esp
pushl 16(%eax)
pushl 12(%eax)
pushl 8(%eax)
pushl 4(%eax)
pushl $exit_thread_trampoline
sti
jmp *%ecx
# void continue_thread(uint32_t rsp, uint32_t rbp, uint32_t rip)
.global continue_thread
continue_thread:
movl 12(%esp), %ecx
movl 8(%esp), %ebp
movl 4(%esp), %esp
movl $0, %eax
jmp *%ecx