parisc/kernel/entry.S

814 	LDREG	PT_IAOQ0(%r16),%r19
815 	depi	PRIV_USER,31,2,%r19
816 	STREG	%r19,PT_IAOQ0(%r16)
817 	LDREG	PT_IAOQ1(%r16),%r19
818 	depi	PRIV_USER,31,2,%r19
819 	STREG	%r19,PT_IAOQ1(%r16)
820 	LDREG   PT_PSW(%r16),%r19
826 	and     %r19,%r1,%r19 /* Mask out bits that user shouldn't play with */
828 	or      %r19,%r1,%r19 /* Make sure default USER_PSW bits are set */
829 	STREG   %r19,PT_PSW(%r16)
842 	mfsp    %sr3,%r19
843 	STREG   %r19,PT_SR0(%r16)
844 	STREG   %r19,PT_SR1(%r16)
845 	STREG   %r19,PT_SR3(%r16)
846 	STREG   %r19,PT_SR4(%r16)
847 	STREG   %r19,PT_SR5(%r16)
848 	STREG   %r19,PT_SR6(%r16)
849 	STREG   %r19,PT_SR7(%r16)
854 	LDREG   TASK_TI_FLAGS(%r1),%r19	/* sched.h: TIF_NEED_RESCHED */
855 	bb,<,n	%r19,31-TIF_NEED_RESCHED,intr_do_resched /* forward */
861 	LDREG	TASK_TI_FLAGS(%r1),%r19
863 	and,COND(<>)	%r19, %r20, %r0
963 	ldw	TI_PRE_COUNT(%r1), %r19
964 	cmpib,<>	0, %r19, intr_restore	/* if preempt_count > 0 */
1733 	mfctl	%cr30,%r19
1734 	LDREG	TASK_TI_FLAGS(%r19),%r19	/* long */
1735 	bb,<,n	%r19, 31-TIF_NEED_RESCHED, syscall_do_resched /* forward */
1739 	mfctl	%cr30,%r19
1740 	LDREG	TASK_TI_FLAGS(%r19),%r19
1742 	and,COND(<>)	%r19, %r26, %r0
1772 	LDREG	TASK_TI_FLAGS(%r1),%r19
1774 	and,COND(=)	%r19,%r2,%r0
1777 	ldo	TASK_PT_FR31(%r1),%r19		   /* reload fpregs */
1778 	rest_fp	%r19
1780 	LDREG	TASK_PT_SAR(%r1),%r19		   /* restore SAR */
1781 	mtsar	%r19
1784 	LDREG	TASK_PT_GR19(%r1),%r19
1842 	extru,=	%r19,TIF_SINGLESTEP_PA_BIT,1,%r0
1846 	extru,= %r19,TIF_BLOCKSTEP_PA_BIT,1,%r0
1850 	extru,<> %r19,TIF_32BIT_PA_BIT,1,%r0
1909 	load32	schedule,%r19
1910 	bv	%r0(%r19)		/* jumps to schedule() */
1973 	STREG	%r19, 8*REG_SZ(%r3)
1997 	LDREG	8*REG_SZ(%r3), %r19
2042 	STREG	%r19, PT_GR19(%r1)
2087 	LDREG   PT_GR19(%r1),%r19
2253 	copy    %r19,%r1
2328 	copy    %r1,%r19