diff options
Diffstat (limited to 'arch/s390/boot/compressed/head.S')
| -rw-r--r-- | arch/s390/boot/compressed/head.S | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/s390/boot/compressed/head.S b/arch/s390/boot/compressed/head.S deleted file mode 100644 index df8dbbc17bcc..000000000000 --- a/arch/s390/boot/compressed/head.S +++ /dev/null @@ -1,52 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Startup glue code to uncompress the kernel - * - * Copyright IBM Corp. 2010 - * - * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page.h> -#include "sizes.h" - -__HEAD -ENTRY(startup_decompressor) - basr %r13,0 # get base -.LPG1: - # setup stack - lg %r15,.Lstack-.LPG1(%r13) - aghi %r15,-160 - brasl %r14,decompress_kernel - # Set up registers for memory mover. We move the decompressed image to - # 0x100000, where startup_continue of the decompressed image is supposed - # to be. - lgr %r4,%r2 - lg %r2,.Loffset-.LPG1(%r13) - lg %r3,.Lmvsize-.LPG1(%r13) - lgr %r5,%r3 - # Move the memory mover someplace safe so it doesn't overwrite itself. - la %r1,0x200 - mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13) - # When the memory mover is done we pass control to - # arch/s390/kernel/head64.S:startup_continue which lives at 0x100000 in - # the decompressed image. - lgr %r6,%r2 - br %r1 -mover: - mvcle %r2,%r4,0 - jo mover - br %r6 -mover_end: - - .align 8 -.Lstack: - .quad 0x8000 + (1<<(PAGE_SHIFT+THREAD_SIZE_ORDER)) -.Loffset: - .quad 0x100000 -.Lmvsize: - .quad SZ__bss_start |