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Commit f52c74fe authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

s390: remove SALIPL loader 



There is no known user, therefore remove the code.

Acked-by: default avatarRob Van Der Heij <robvdheij@nl.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 932f6081

arch/s390/kernel/head.S

+8 −79
Original line number Diff line number Diff line
@@ -60,19 +60,6 @@ __HEAD 
	.long	0x020006e0,0x20000050



	.org	0x200

#

# subroutine to set architecture mode

#

.Lsetmode:

	mvi	__LC_AR_MODE_ID,1	# set esame flag

	slr	%r0,%r0 		# set cpuid to zero

	lhi	%r1,2			# mode 2 = esame (dump)

	sigp	%r1,%r0,0x12		# switch to esame mode

	bras	%r13,0f

	.fill	16,4,0x0

0:	lmh	%r0,%r15,0(%r13)	# clear high-order half of gprs

	sam31				# switch to 31 bit addressing mode

	br	%r14



#

# subroutine to wait for end I/O
@@ -160,7 +147,14 @@ __HEAD 
	.long	0x02200050,0x00000000



iplstart:

	bas	%r14,.Lsetmode		# Immediately switch to 64 bit mode

	mvi	__LC_AR_MODE_ID,1	# set esame flag

	slr	%r0,%r0			# set cpuid to zero

	lhi	%r1,2			# mode 2 = esame (dump)

	sigp	%r1,%r0,0x12		# switch to esame mode

	bras	%r13,0f

	.fill	16,4,0x0

0:	lmh	%r0,%r15,0(%r13)	# clear high-order half of gprs

	sam31				# switch to 31 bit addressing mode

	lh	%r1,0xb8		# test if subchannel number

	bct	%r1,.Lnoload		#  is valid

	l	%r1,0xb8		# load ipl subchannel number
@@ -269,71 +263,6 @@ iplstart: 
	.align	8

.Lcpuid:.fill	8,1,0



#

# SALIPL loader support. Based on a patch by Rob van der Heij.

# This entry point is called directly from the SALIPL loader and

# doesn't need a builtin ipl record.

#

	.org	0x800

ENTRY(start)

	stm	%r0,%r15,0x07b0		# store registers

	bas	%r14,.Lsetmode		# Immediately switch to 64 bit mode

	basr	%r12,%r0

.base:

	l	%r11,.parm

	l	%r8,.cmd		# pointer to command buffer



	ltr	%r9,%r9			# do we have SALIPL parameters?

	bp	.sk8x8



	mvc	0(64,%r8),0x00b0	# copy saved registers

	xc	64(240-64,%r8),0(%r8)	# remainder of buffer

	tr	0(64,%r8),.lowcase

	b	.gotr

.sk8x8:

	mvc	0(240,%r8),0(%r9)	# copy iplparms into buffer

.gotr:

	slr	%r0,%r0

	st	%r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11)

	st	%r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11)

	j	startup 		# continue with startup

.cmd:	.long	COMMAND_LINE		# address of command line buffer

.parm:	.long	PARMAREA

.lowcase:

	.byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07

	.byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f

	.byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17

	.byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f

	.byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27

	.byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f

	.byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37

	.byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f

	.byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47

	.byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f

	.byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57

	.byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f

	.byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67

	.byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f

	.byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77

	.byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f



	.byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87

	.byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f

	.byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97

	.byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f

	.byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7

	.byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf

	.byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7

	.byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf

	.byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87	# .abcdefg

	.byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf	# hi

	.byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97	# .jklmnop

	.byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf	# qr

	.byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7	# ..stuvwx

	.byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef	# yz

	.byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7

	.byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff



#

# startup-code at 0x10000, running in absolute addressing mode

# this is called either by the ipl loader or directly by PSW restart