Differential D44535 Diff 136585 sys/arm64/arm64/vm_machdep.c

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sys/arm64/arm64/vm_machdep.c

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#ifdef VFP		#ifdef VFP
#include <machine/vfp.h>		#include <machine/vfp.h>
#endif		#endif

#include <dev/psci/psci.h>		#include <dev/psci/psci.h>

/*		/*
		* psci.c is "default" in ARM64 kernel config files
		* psci_reset will do nothing until/unless the psci device probes/attaches.
		* Therefore, it is safe to default the cpu_reset_hook to psci_reset.
		*/
		cpu_reset_hook_t cpu_reset_hook = psci_reset;

		/*
* Finish a fork operation, with process p2 nearly set up.		* Finish a fork operation, with process p2 nearly set up.
* Copy and update the pcb, set up the stack so that the child		* Copy and update the pcb, set up the stack so that the child
* ready to run and return to user mode.		* ready to run and return to user mode.
*/		*/
void		void
cpu_fork(struct thread td1, struct proc p2, struct thread *td2, int flags)		cpu_fork(struct thread td1, struct proc p2, struct thread *td2, int flags)
{		{
struct pcb *pcb2;		struct pcb *pcb2;
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines	#if defined(PERTHREAD_SSP)
arc4random_buf(&td2->td_md.md_canary, sizeof(td2->td_md.md_canary));		arc4random_buf(&td2->td_md.md_canary, sizeof(td2->td_md.md_canary));
#endif		#endif
}		}

void		void
cpu_reset(void)		cpu_reset(void)
{		{

psci_reset();		cpu_reset_hook();

printf("cpu_reset failed");		printf("cpu_reset failed");
while(1)		while(1)
__asm volatile("wfi" ::: "memory");		__asm volatile("wfi" ::: "memory");
}		}

void		void
cpu_thread_swapin(struct thread *td)		cpu_thread_swapin(struct thread *td)
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