Differential D22501 Diff 65189 head/sys/powerpc/powerpc/exec_machdep.c

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Show First 20 Lines • Show All 533 Lines • ▼ Show 20 Lines	cleanup_power_extras(struct thread *td)
if (pcb_flags & PCB_CDSCR)		if (pcb_flags & PCB_CDSCR)
mtspr(SPR_DSCRP, 0);		mtspr(SPR_DSCRP, 0);
}		}

/*		/*
* Set set up registers on exec.		* Set set up 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;		struct trapframe *tf;
register_t argc;		register_t argc;

tf = trapframe(td);		tf = trapframe(td);
bzero(tf, sizeof *tf);		bzero(tf, sizeof *tf);
#ifdef __powerpc64__		#ifdef __powerpc64__
tf->fixreg[1] = -roundup(-stack + 48, 16);		tf->fixreg[1] = -roundup(-stack + 48, 16);
Show All 29 Lines	exec_setregs(struct thread td, struct image_params imgp, uintptr_t stack)
#endif		#endif
tf->srr1 = psl_userset \| PSL_FE_DFLT;		tf->srr1 = psl_userset \| PSL_FE_DFLT;
cleanup_power_extras(td);		cleanup_power_extras(td);
td->td_pcb->pcb_flags = 0;		td->td_pcb->pcb_flags = 0;
}		}

#ifdef COMPAT_FREEBSD32		#ifdef COMPAT_FREEBSD32
void		void
ppc32_setregs(struct thread td, struct image_params imgp, u_long stack)		ppc32_setregs(struct thread td, struct image_params imgp, uintptr_t stack)
{		{
struct trapframe *tf;		struct trapframe *tf;
uint32_t argc;		uint32_t argc;

tf = trapframe(td);		tf = trapframe(td);
bzero(tf, sizeof *tf);		bzero(tf, sizeof *tf);
tf->fixreg[1] = -roundup(-stack + 8, 16);		tf->fixreg[1] = -roundup(-stack + 8, 16);

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