sparc/kernel/trampoline_64.S

1 /* SPDX-License-Identifier: GPL-2.0 */
27 	.asciz	"call-method"
30 	.asciz	"SUNW,itlb-load"
33 	.asciz	"SUNW,dtlb-load"
85 	sethi		%hi(0x80000000), %g5
101 	sethi		%hi(0x80000000), %g2
103 	wr		%g2, 0, %tick_cmpr
125 	 * %l5: Loop iterator, iterates from 0 to 'num_kernel_image_mappings'
143 	/* Lock into I-MMU */
146 	stx		%g2, [%sp + 2047 + 128 + 0x00]
148 	stx		%g2, [%sp + 2047 + 128 + 0x08]
150 	stx		%g2, [%sp + 2047 + 128 + 0x10]
153 	stx		%g2, [%sp + 2047 + 128 + 0x18]
156 	stx		%g2, [%sp + 2047 + 128 + 0x20]
162 	stx		%g2, [%sp + 2047 + 128 + 0x28]	! VADDR
164 	stx		%g2, [%sp + 2047 + 128 + 0x30]	! TTE
168 	stx		%g2, [%sp + 2047 + 128 + 0x38]
172 	ldx		[%g2 + 0x08], %o1
174 	 add		%sp, (2047 + 128), %o0
176 	/* Lock into D-MMU */
179 	stx		%g2, [%sp + 2047 + 128 + 0x00]
181 	stx		%g2, [%sp + 2047 + 128 + 0x08]
183 	stx		%g2, [%sp + 2047 + 128 + 0x10]
186 	stx		%g2, [%sp + 2047 + 128 + 0x18]
189 	stx		%g2, [%sp + 2047 + 128 + 0x20]
195 	stx		%g2, [%sp + 2047 + 128 + 0x28]	! VADDR
197 	stx		%g2, [%sp + 2047 + 128 + 0x30]	! TTE
201 	stx		%g2, [%sp + 2047 + 128 + 0x38]
205 	ldx		[%g2 + 0x08], %o1
207 	 add		%sp, (2047 + 128), %o0
252 	wr		%g0, 0, %fprs
279 	 * per-cpu area) until we properly take over the trap table
288 	mov		0, %fp
291 	set		0xdeadbeef, %g4
292 	set		0xdeadbeef, %g5
293 	set		0xdeadbeef, %g6
326 	wrpr		%g0, 0, %wstate
351 	 * paddr = kern_base + (mmfsa_vaddr - KERNBASE)
361 	stx		%g2, [%sp + 2047 + 128 + 0x00]
363 	stx		%g2, [%sp + 2047 + 128 + 0x08]
364 	mov		0, %g2
365 	stx		%g2, [%sp + 2047 + 128 + 0x10]
366 	stx		%o0, [%sp + 2047 + 128 + 0x18]
367 	stx		%o1, [%sp + 2047 + 128 + 0x20]
370 	ldx		[%g2 + 0x08], %o1
372 	 add		%sp, (2047 + 128), %o0
379 	stx		%g2, [%sp + 2047 + 128 + 0x00]
381 	stx		%g2, [%sp + 2047 + 128 + 0x08]
382 	mov		0, %g2
383 	stx		%g2, [%sp + 2047 + 128 + 0x10]
384 	stx		%o0, [%sp + 2047 + 128 + 0x18]
387 	ldx		[%g2 + 0x08], %o1
389 	 add		%sp, (2047 + 128), %o0
404 	wrpr		%o1, 0, %pstate