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| author | Sven Schnelle <svens@linux.ibm.com> | 2024-07-22 16:41:15 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2024-07-23 17:02:32 +0300 |
| commit | 39e8c5d6a4ce6512af5178f70c0c5d735141fc10 (patch) | |
| tree | 4931db579241c264121e993f02f94bc235ca6306 /arch/s390 | |
| parent | 5ade5be4edf855245955108860d2016af3065a37 (diff) | |
| download | linux-39e8c5d6a4ce6512af5178f70c0c5d735141fc10.tar.xz | |
s390/head64: Make startup code ready for lowcore relocation
In preparation of having lowcore at different address than zero,
add the base register to all lowcore accesses in startup_continue().
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/head64.S | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 45413b04efc5..396034b2fe67 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -10,6 +10,7 @@ #include <linux/init.h> #include <linux/linkage.h> +#include <asm/lowcore.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/page.h> @@ -18,14 +19,15 @@ __HEAD SYM_CODE_START(startup_continue) larl %r1,tod_clock_base - mvc 0(16,%r1),__LC_BOOT_CLOCK + GET_LC %r2 + mvc 0(16,%r1),__LC_BOOT_CLOCK(%r2) # # Setup stack # larl %r14,init_task - stg %r14,__LC_CURRENT + stg %r14,__LC_CURRENT(%r2) larl %r15,init_thread_union+STACK_INIT_OFFSET - stg %r15,__LC_KERNEL_STACK + stg %r15,__LC_KERNEL_STACK(%r2) brasl %r14,sclp_early_adjust_va # allow sclp_early_printk brasl %r14,startup_init # s390 specific early init brasl %r14,start_kernel # common init code |