From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/arch/s390/kernel/base.S |   90 +--------------------------------------------
 1 files changed, 2 insertions(+), 88 deletions(-)

diff --git a/kernel/arch/s390/kernel/base.S b/kernel/arch/s390/kernel/base.S
index b65874b..b79e0fd 100644
--- a/kernel/arch/s390/kernel/base.S
+++ b/kernel/arch/s390/kernel/base.S
@@ -16,26 +16,6 @@
 	GEN_BR_THUNK %r9
 	GEN_BR_THUNK %r14
 
-ENTRY(s390_base_mcck_handler)
-	basr	%r13,0
-0:	lg	%r15,__LC_PANIC_STACK	# load panic stack
-	aghi	%r15,-STACK_FRAME_OVERHEAD
-	larl	%r1,s390_base_mcck_handler_fn
-	lg	%r9,0(%r1)
-	ltgr	%r9,%r9
-	jz	1f
-	BASR_EX	%r14,%r9
-1:	la	%r1,4095
-	lmg	%r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1)
-	lpswe	__LC_MCK_OLD_PSW
-
-	.section .bss
-	.align 8
-	.globl	s390_base_mcck_handler_fn
-s390_base_mcck_handler_fn:
-	.quad	0
-	.previous
-
 ENTRY(s390_base_ext_handler)
 	stmg	%r0,%r15,__LC_SAVE_AREA_ASYNC
 	basr	%r13,0
@@ -48,6 +28,7 @@
 1:	lmg	%r0,%r15,__LC_SAVE_AREA_ASYNC
 	ni	__LC_EXT_OLD_PSW+1,0xfd	# clear wait state bit
 	lpswe	__LC_EXT_OLD_PSW
+ENDPROC(s390_base_ext_handler)
 
 	.section .bss
 	.align 8
@@ -68,6 +49,7 @@
 	lmg	%r0,%r15,__LC_SAVE_AREA_SYNC
 	lpswe	__LC_PGM_OLD_PSW
 1:	lpswe	disabled_wait_psw-0b(%r13)
+ENDPROC(s390_base_pgm_handler)
 
 	.align	8
 disabled_wait_psw:
@@ -78,72 +60,4 @@
 	.globl s390_base_pgm_handler_fn
 s390_base_pgm_handler_fn:
 	.quad	0
-	.previous
-
-#
-# Calls diag 308 subcode 1 and continues execution
-#
-ENTRY(diag308_reset)
-	larl	%r4,.Lctlregs		# Save control registers
-	stctg	%c0,%c15,0(%r4)
-	lg	%r2,0(%r4)		# Disable lowcore protection
-	nilh	%r2,0xefff
-	larl	%r4,.Lctlreg0
-	stg	%r2,0(%r4)
-	lctlg	%c0,%c0,0(%r4)
-	larl	%r4,.Lfpctl		# Floating point control register
-	stfpc	0(%r4)
-	larl	%r4,.Lprefix		# Save prefix register
-	stpx	0(%r4)
-	larl	%r4,.Lprefix_zero	# Set prefix register to 0
-	spx	0(%r4)
-	larl	%r4,.Lcontinue_psw	# Save PSW flags
-	epsw	%r2,%r3
-	stm	%r2,%r3,0(%r4)
-	larl	%r4,.Lrestart_psw	# Setup restart PSW at absolute 0
-	lghi	%r3,0
-	lg	%r4,0(%r4)		# Save PSW
-	sturg	%r4,%r3			# Use sturg, because of large pages
-	lghi	%r1,1
-	lghi	%r0,0
-	diag	%r0,%r1,0x308
-.Lrestart_part2:
-	lhi	%r0,0			# Load r0 with zero
-	lhi	%r1,2			# Use mode 2 = ESAME (dump)
-	sigp	%r1,%r0,SIGP_SET_ARCHITECTURE	# Switch to ESAME mode
-	sam64				# Switch to 64 bit addressing mode
-	larl	%r4,.Lctlregs		# Restore control registers
-	lctlg	%c0,%c15,0(%r4)
-	larl	%r4,.Lfpctl		# Restore floating point ctl register
-	lfpc	0(%r4)
-	larl	%r4,.Lprefix		# Restore prefix register
-	spx	0(%r4)
-	larl	%r4,.Lcontinue_psw	# Restore PSW flags
-	lpswe	0(%r4)
-.Lcontinue:
-	BR_EX	%r14
-.align 16
-.Lrestart_psw:
-	.long	0x00080000,0x80000000 + .Lrestart_part2
-
-	.section .data..nosave,"aw",@progbits
-.align 8
-.Lcontinue_psw:
-	.quad	0,.Lcontinue
-	.previous
-
-	.section .bss
-.align 8
-.Lctlreg0:
-	.quad	0
-.Lctlregs:
-	.rept	16
-	.quad	0
-	.endr
-.Lfpctl:
-	.long	0
-.Lprefix:
-	.long	0
-.Lprefix_zero:
-	.long	0
 	.previous

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