From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/s390/kernel/earlypgm.S | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/s390/kernel/earlypgm.S (limited to 'arch/s390/kernel/earlypgm.S') diff --git a/arch/s390/kernel/earlypgm.S b/arch/s390/kernel/earlypgm.S new file mode 100644 index 000000000..f521c6da3 --- /dev/null +++ b/arch/s390/kernel/earlypgm.S @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 2006, 2007 + * Author(s): Michael Holzheu + */ + +#include +#include + +ENTRY(early_pgm_check_handler) + stmg %r8,%r15,__LC_SAVE_AREA_SYNC + aghi %r15,-(STACK_FRAME_OVERHEAD+__PT_SIZE) + la %r11,STACK_FRAME_OVERHEAD(%r15) + xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) + stmg %r0,%r7,__PT_R0(%r11) + mvc __PT_PSW(16,%r11),__LC_PGM_OLD_PSW + mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC + lgr %r2,%r11 + brasl %r14,__do_early_pgm_check + mvc __LC_RETURN_PSW(16),STACK_FRAME_OVERHEAD+__PT_PSW(%r15) + lmg %r0,%r15,STACK_FRAME_OVERHEAD+__PT_R0(%r15) + lpswe __LC_RETURN_PSW +ENDPROC(early_pgm_check_handler) -- cgit v1.2.3