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Show First 20 Lines • Show All 406 Lines • ▼ Show 20 Lines	spinlock_exit(void)
if (td->td_md.md_spinlock_count == 0)		if (td->td_md.md_spinlock_count == 0)
restore_interrupts(cspr);		restore_interrupts(cspr);
}		}

/*		/*
* Clear registers on exec		* Clear registers on exec
*/		*/
void		void
exec_setregs(struct thread td, struct image_params imgp, u_long stack)		exec_setregs(struct thread td, struct image_params imgp, uintptr_t stack)
{		{
struct trapframe *tf = td->td_frame;		struct trapframe *tf = td->td_frame;

memset(tf, 0, sizeof(*tf));		memset(tf, 0, sizeof(*tf));
tf->tf_usr_sp = stack;		tf->tf_usr_sp = stack;
tf->tf_usr_lr = imgp->entry_addr;		tf->tf_usr_lr = imgp->entry_addr;
tf->tf_svc_lr = 0x77777777;		tf->tf_svc_lr = 0x77777777;
tf->tf_pc = imgp->entry_addr;		tf->tf_pc = imgp->entry_addr;
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