1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
new file mode 100644
index 000000000000..624d66c7f290
--- /dev/null
+++ b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
@@ -0,0 +1,59 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2005 Ralf Baechle <ralf@linux-mips.org>
+ */
+#ifndef __ASM_MACH_IP27_KERNEL_ENTRY_H
+#define __ASM_MACH_IP27_KERNEL_ENTRY_H
+#include <asm/sn/addrs.h>
+#include <asm/sn/sn0/hubni.h>
+#include <asm/sn/klkernvars.h>
+/*
+ * Returns the local nasid into res.
+ */
+        .macro GET_NASID_ASM res
+        dli     \res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
+        ld      \res, (\res)
+        and     \res, NSRI_NODEID_MASK
+        dsrl    \res, NSRI_NODEID_SHFT
+        .endm
+/*
+ * Intentionally empty macro, used in head.S. Override in
+ * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
+ */
+        .macro  kernel_entry_setup
+        GET_NASID_ASM   t1
+        move            t2, t1                  # text and data are here
+        MAPPED_KERNEL_SETUP_TLB
+        .endm
+/*
+ * Do SMP slave processor setup necessary before we can savely execute C code.
+ */
+        .macro  smp_slave_setup
+        GET_NASID_ASM   t1
+        dli     t0, KLDIR_OFFSET + (KLI_KERN_VARS * KLDIR_ENT_SIZE) + \
+                    KLDIR_OFF_POINTER + CAC_BASE
+        dsll    t1, NASID_SHFT
+        or      t0, t0, t1
+        ld      t0, 0(t0)                       # t0 points to kern_vars struct
+        lh      t1, KV_RO_NASID_OFFSET(t0)
+        lh      t2, KV_RW_NASID_OFFSET(t0)
+        MAPPED_KERNEL_SETUP_TLB
+        /*
+         * We might not get launched at the address the kernel is linked to,
+         * so we jump there.
+         */
+        PTR_LA  t0, 0f
+        jr      t0
+0:
+        .endm
+#endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */

diff --git a/arch/mips/include/asm/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h new file mode 100644 index 000000000000..624d66c7f290 --- /dev/null +++ b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h
@@ -0,0 +1,59 @@
	1	/*
	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
	4	* for more details.
	5	*
	6	* Copyright (C) 2000 Silicon Graphics, Inc.
	7	* Copyright (C) 2005 Ralf Baechle <ralf@linux-mips.org>
	8	*/
	9	#ifndef __ASM_MACH_IP27_KERNEL_ENTRY_H
	10	#define __ASM_MACH_IP27_KERNEL_ENTRY_H
	11
	12	#include <asm/sn/addrs.h>
	13	#include <asm/sn/sn0/hubni.h>
	14	#include <asm/sn/klkernvars.h>
	15
	16	/*
	17	* Returns the local nasid into res.
	18	*/
	19	.macro GET_NASID_ASM res
	20	dli \res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
	21	ld \res, (\res)
	22	and \res, NSRI_NODEID_MASK
	23	dsrl \res, NSRI_NODEID_SHFT
	24	.endm
	25
	26	/*
	27	* Intentionally empty macro, used in head.S. Override in
	28	* arch/mips/mach-xxx/kernel-entry-init.h when necessary.
	29	*/
	30	.macro kernel_entry_setup
	31	GET_NASID_ASM t1
	32	move t2, t1 # text and data are here
	33	MAPPED_KERNEL_SETUP_TLB
	34	.endm
	35
	36	/*
	37	* Do SMP slave processor setup necessary before we can savely execute C code.
	38	*/
	39	.macro smp_slave_setup
	40	GET_NASID_ASM t1
	41	dli t0, KLDIR_OFFSET + (KLI_KERN_VARS * KLDIR_ENT_SIZE) + \
	42	KLDIR_OFF_POINTER + CAC_BASE
	43	dsll t1, NASID_SHFT
	44	or t0, t0, t1
	45	ld t0, 0(t0) # t0 points to kern_vars struct
	46	lh t1, KV_RO_NASID_OFFSET(t0)
	47	lh t2, KV_RW_NASID_OFFSET(t0)
	48	MAPPED_KERNEL_SETUP_TLB
	49
	50	/*
	51	* We might not get launched at the address the kernel is linked to,
	52	* so we jump there.
	53	*/
	54	PTR_LA t0, 0f
	55	jr t0
	56	0:
	57	.endm
	58
	59	#endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */