#include <asm/sclp.h>
#include <asm/facility.h>
#include <asm/boot_data.h>
+#include <asm/switch_to.h>
#include "entry.h"
static void __init reset_tod_clock(void)
__ctl_load(reg, 0, 0);
}
+static inline void setup_access_registers(void)
+{
+ unsigned int acrs[NUM_ACRS] = { 0 };
+
+ restore_access_regs(acrs);
+}
+
static int __init disable_vector_extension(char *str)
{
S390_lowcore.machine_flags &= ~MACHINE_FLAG_VX;
setup_topology();
sclp_early_detect();
setup_control_registers();
+ setup_access_registers();
lockdep_on();
}
#ifdef CONFIG_KASAN
brasl %r14,kasan_early_init
#endif
-#
-# Early machine initialization and detection functions.
-#
- brasl %r14,startup_init
-
- lam 0,15,.Laregs-.LPG1(%r13) # load acrs needed by uaccess
- brasl %r14,start_kernel # go to C code
+ brasl %r14,startup_init # s390 specific early init
+ brasl %r14,start_kernel # common init code
#
# We returned from start_kernel ?!? PANIK
#
.align 16
.LPG1:
.Ldw: .quad 0x0002000180000000,0x0000000000000000
-.Laregs:.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0