2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2000 Silicon Graphics, Inc.
7 * Copyright (C) 2005 Ralf Baechle <ralf@linux-mips.org>
9 #ifndef __ASM_MACH_IP27_KERNEL_ENTRY_H
10 #define __ASM_MACH_IP27_KERNEL_ENTRY_H
12 #include <asm/sn/addrs.h>
13 #include <asm/sn/sn0/hubni.h>
14 #include <asm/sn/klkernvars.h>
17 * Returns the local nasid into res.
19 .macro GET_NASID_ASM res
20 dli
\res
, LOCAL_HUB_ADDR(NI_STATUS_REV_ID
)
22 and \res
, NSRI_NODEID_MASK
23 dsrl
\res
, NSRI_NODEID_SHFT
26 .macro kernel_entry_setup
28 move t2
, t1
# text and data are here
29 MAPPED_KERNEL_SETUP_TLB
33 * Do SMP slave processor setup necessary before we can savely execute C code.
35 .macro smp_slave_setup
37 dli t0
, KLDIR_OFFSET
+ (KLI_KERN_VARS
* KLDIR_ENT_SIZE
) + \
38 KLDIR_OFF_POINTER
+ CAC_BASE
41 ld t0
, 0(t0
) # t0 points to kern_vars struct
42 lh t1
, KV_RO_NASID_OFFSET(t0
)
43 lh t2
, KV_RW_NASID_OFFSET(t0
)
44 MAPPED_KERNEL_SETUP_TLB
47 * We might not get launched at the address the kernel is linked to,
55 #endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */