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Commit ea0b6b06 authored by Chris Zankel's avatar Chris Zankel
Browse files

[XTENSA] Fix comments regarding the number of frames to save 



Signed-off-by: default avatarMarc Gauthier <marc@tensilica.com>
Signed-off-by: default avatarChris Zankel <chris@zankel.net>
parent 50c0716a

arch/xtensa/kernel/entry.S

+6 −6
Original line number Diff line number Diff line
@@ -1336,11 +1336,11 @@ ENTRY(_spill_registers) 


	wsr	a2, DEPC		# preserve a2

	rsr	a2, WINDOWBASE

	rsr	a3, WINDOWSTART

	rsr	a3, WINDOWSTART		# a3 = xxxwww1yy

	ssr	a2			# holds WB

	slli	a2, a3, WSBITS

	or	a3, a3, a2		# a2 = xxxwww1yyxxxwww1yy

	srl	a3, a3

	or	a3, a3, a2		# a3 = xxxwww1yyxxxwww1yy

	srl	a3, a3			# a3 = 00xxxwww1yyxxxwww1



	/* We are done if there are no more than the current register frame. */
@@ -1395,8 +1395,8 @@ ENTRY(_spill_registers) 
	j	.Lc12c



.Lnospill:

	rsr	a2, DEPC	# restore a2 and 'return'

	jx	a0

	rsr	a2, DEPC

	ret



.Lloop: _bbsi.l	a3, 1, .Lc4

	_bbci.l	a3, 2, .Lc12
@@ -1423,7 +1423,7 @@ ENTRY(_spill_registers) 
	movi	a3, 1

	sll	a3, a3

	wsr	a3, WINDOWSTART

	jx	a0

	ret



.Lc4:	s32e	a4, a9, -16

	s32e	a5, a9, -12