Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* ITLB ** ICACHE line 1: Context 0 check and TSB load	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	ldxa	[%g0] ASI_IMMU_TSB_8KB_PTR, %g1	! Get TSB 8K pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 	ldxa	[%g0] ASI_IMMU, %g6		! Get TAG TARGET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 	srlx	%g6, 48, %g5			! Get context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	sllx	%g6, 22, %g6			! Zero out context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	brz,pn	%g5, kvmap_itlb			! Context 0 processing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	 srlx	%g6, 22, %g6			! Delay slot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	TSB_LOAD_QUAD(%g1, %g4)			! Load TSB entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	cmp	%g4, %g6			! Compare TAG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* ITLB ** ICACHE line 2: TSB compare and TLB load	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	bne,pn	%xcc, tsb_miss_itlb		! Miss
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	 mov	FAULT_CODE_ITLB, %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	sethi	%hi(_PAGE_EXEC_4U), %g4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	andcc	%g5, %g4, %g0			! Executable?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	be,pn	%xcc, tsb_do_fault
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	 nop					! Delay slot, fill me
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	stxa	%g5, [%g0] ASI_ITLB_DATA_IN	! Load TLB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	retry					! Trap done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* ITLB ** ICACHE line 3: 				*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* ITLB ** ICACHE line 4: 				*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	nop