alpha/palcode/platform.S

290     and   r16, MAXPROC, r14	// mask the top stuff: MAXPROC+1 CPUs supported
291     bis   r31, 0x1, r16		// get a one
292     sll   r16, r14, r14		// shift the bit to the right place
302     lda   r16,0xf01(r31)
303     sll   r16,32,r16
306     bis   r16,r13,r16
307     lda   r16,IPIQ_addr(r16)
317     stq_p r14, 0(r16)		// Tsunami MISC Register
339 //      #sll	r16, <page_offset_size_bits>+<63-20>>, r12
340         sll	r16, page_offset_size_bits+(63-20),r12
399 //	arguments in r16....
409 //	r16 = detination PA to dump tb's to.
461         ldq	r16, 0(r17)		// restore r16
486         stq_p	r12, 0(r16)		// store out PTE
487         addq	r16, 8 ,r16		// increment pointer
502         stq_p	r12, 0(r16)		// store out PTE
503         addq	r16, 8 ,r16		// increment pointer
520 //		r16, r17, r18 - available
566 //		a0/r16 - signals IO device interrupt
575         or      r31,0,r16                        // IPI interrupt A0 = 0
594         or      r31,1,r16                       // a0 means it is a clock interrupt
631 1:	lda	r16, osfint_c_passrel(r31)	// passive release
670     lda     r16,0x900(r31)                  // load offset for normal into r13
673     lda     r16,0x800(r31)                  // replace with offset for pic
693     addq    r17,r16,r17
695     or      r31,3,r16                       // a0 means it is a I/O interrupt
714 1:	lda	r16, osfint_c_passrel(r31)	// passive release
744 1:	lda	r16, osfint_c_passrel(r31)	// passive release
768 1:	lda	r16, osfint_c_passrel(r31)	// passive release
796 1:	lda	r16, osfint_c_passrel(r31)	// passive release
811         lda	r16, osfint_c_clk(r31)		// passive release
820         lda	r16, osfint_c_ip(r31)		// passive release
897 //	lda	r16, osfint_c_passrel(r31)	// passive release
919 1:	lda	r16, osfint_c_passrel(r31)	// passive release
926         or	r31, osfint_c_dev, r16		// a0 signals IO device interrupt
983         lda	r16, osfint_c_dev(r31)	// a0 to device code
1021 //		r16, r17, r18 - available
1176         lda	r16, osfint_c_mchk(r31)	// flag as mchk/crd in a0
1334         lda	r16, osfint_c_perf(r31)	// a0 to perf counter code
2051         stq	r16, osfsf_a0(sp)	// a0
2052         lda	r16, osfint_c_mchk(r31)	// flag as mchk in a0
2082         lda	r16, osfint_c_mchk(r31)	// flag as mchk/crd in a0
2144 //	r16 = exc_sum
2184         stq     r16, osfsf_a0(sp)       // save regs
2186         bis	r13, r31, r16		// move exc_sum to r16