Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 230 insertions, 0 deletions

diff --git a/kernel/arch/m32r/include/asm/assembler.h b/kernel/arch/m32r/include/asm/assembler.h
new file mode 100644
index 000000000..728799fc7
--- /dev/null
+++ b/kernel/arch/m32r/include/asm/assembler.h
@@ -0,0 +1,230 @@
+#ifndef _ASM_M32R_ASSEMBLER_H
+#define _ASM_M32R_ASSEMBLER_H
+
+/*
+ * linux/asm-m32r/assembler.h
+ *
+ * Copyright (C) 2004  Hirokazu Takata <takata at linux-m32r.org>
+ *
+ * This file contains M32R architecture specific macro definitions.
+ */
+
+#include <linux/stringify.h>
+
+#undef __STR
+
+#ifdef __ASSEMBLY__
+#define __STR(x) x
+#else
+#define __STR(x) __stringify(x)
+#endif
+
+#ifdef CONFIG_SMP
+#define M32R_LOCK	__STR(lock)
+#define M32R_UNLOCK	__STR(unlock)
+#else
+#define M32R_LOCK	__STR(ld)
+#define M32R_UNLOCK	__STR(st)
+#endif
+
+#ifdef __ASSEMBLY__
+#undef ENTRY
+#define ENTRY(name) ENTRY_M name
+	.macro  ENTRY_M name
+	.global \name
+	ALIGN
+\name:
+	.endm
+#endif
+
+
+/**
+ * LDIMM - load immediate value
+ * STI - enable interruption
+ * CLI - disable interruption
+ */
+
+#ifdef __ASSEMBLY__
+
+#define LDIMM(reg,x) LDIMM reg x
+	.macro LDIMM reg x
+	seth	\reg, #high(\x)
+	or3	\reg, \reg, #low(\x)
+	.endm
+
+#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
+#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg
+	.macro ENABLE_INTERRUPTS reg
+	setpsw  #0x40	    ->	nop
+	; WORKAROUND: "-> nop" is a workaround for the M32700(TS1).
+	.endm
+
+#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg
+	.macro DISABLE_INTERRUPTS reg
+	clrpsw  #0x40	    ->	nop
+	; WORKAROUND: "-> nop" is a workaround for the M32700(TS1).
+	.endm
+#else	/* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
+#define ENABLE_INTERRUPTS(reg) ENABLE_INTERRUPTS reg
+	.macro ENABLE_INTERRUPTS reg
+	mvfc	\reg, psw
+	or3	\reg, \reg, #0x0040
+	mvtc	\reg, psw
+	.endm
+
+#define DISABLE_INTERRUPTS(reg) DISABLE_INTERRUPTS reg
+	.macro DISABLE_INTERRUPTS reg
+	mvfc	\reg, psw
+	and3	\reg, \reg, #0xffbf
+	mvtc	\reg, psw
+	.endm
+#endif	/* CONFIG_CHIP_M32102 */
+
+	.macro	SAVE_ALL
+	push	r0		; orig_r0
+	push	sp		; spi (r15)
+	push	lr		; r14
+	push	r13
+	mvfc	r13, cr3	; spu
+	push	r13
+	mvfc	r13, bbpc
+	push	r13
+	mvfc	r13, bbpsw
+	push	r13
+	mvfc	r13, bpc
+	push	r13
+	mvfc	r13, psw
+	push	r13
+#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
+	mvfaclo	r13, a1
+	push	r13
+	mvfachi r13, a1
+	push	r13
+	mvfaclo	r13, a0
+	push	r13
+	mvfachi	r13, a0
+	push	r13
+#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
+	mvfaclo	r13
+	push	r13
+	mvfachi	r13
+	push	r13
+	ldi	r13, #0
+	push	r13		; dummy push acc1h
+	push	r13		; dummy push acc1l
+#else
+#error unknown isa configuration
+#endif
+	ldi	r13, #-1
+	push	r13		; syscall_nr (default: -1)
+	push	r12
+	push	r11
+	push	r10
+	push	r9
+	push	r8
+	push	r7
+	push	r3
+	push	r2
+	push	r1
+	push	r0
+	addi	sp, #-4		; room for implicit pt_regs parameter
+	push	r6
+	push	r5
+	push	r4
+	.endm
+
+	.macro	RESTORE_ALL
+	pop	r4
+	pop	r5
+	pop	r6
+	addi	sp, #4
+	pop	r0
+	pop	r1
+	pop	r2
+	pop	r3
+	pop	r7
+	pop	r8
+	pop	r9
+	pop	r10
+	pop	r11
+	pop	r12
+	addi	r15, #4		; Skip syscall number
+#if defined(CONFIG_ISA_M32R2) && defined(CONFIG_ISA_DSP_LEVEL2)
+	pop	r13
+	mvtachi	r13, a0
+	pop	r13
+	mvtaclo	r13, a0
+	pop	r13
+	mvtachi	r13, a1
+	pop	r13
+	mvtaclo	r13, a1
+#elif defined(CONFIG_ISA_M32R2) || defined(CONFIG_ISA_M32R)
+	pop	r13		; dummy pop acc1h
+	pop	r13		; dummy pop acc1l
+	pop	r13
+	mvtachi	r13
+	pop	r13
+	mvtaclo	r13
+#else
+#error unknown isa configuration
+#endif
+	pop	r14
+	mvtc	r14, psw
+	pop	r14
+	mvtc	r14, bpc
+	addi	sp, #8		; Skip bbpsw, bbpc
+	pop	r14
+	mvtc	r14, cr3	; spu
+	pop	r13
+	pop	lr		; r14
+	pop	sp		; spi (r15)
+	addi	sp, #4		; Skip orig_r0
+	.fillinsn
+1:	rte
+	.section .fixup,"ax"
+2:	bl	do_exit
+	.previous
+	.section __ex_table,"a"
+	ALIGN
+	.long	1b, 2b
+	.previous
+	.endm
+
+#define GET_CURRENT(reg)  get_current reg
+	.macro get_current reg
+	ldi  \reg, #-8192
+	and  \reg, sp
+	.endm
+
+#if !(defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_M32104))
+	.macro	SWITCH_TO_KERNEL_STACK
+	; switch to kernel stack (spi)
+	clrpsw	#0x80	    ->	nop
+	.endm
+#else	/* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
+	.macro	SWITCH_TO_KERNEL_STACK
+	push	r0		; save r0 for working
+	mvfc	r0, psw
+	and3	r0, r0, #0x00ff7f
+	mvtc	r0, psw
+	slli	r0, #16
+	bltz	r0, 1f		; check BSM-bit
+;
+	;; called from kernel context: previous stack = spi
+	pop	r0		; retrieve r0
+	bra	2f
+	.fillinsn
+1:
+	;; called from user context: previous stack = spu
+	mvfc	r0, cr3		; spu
+	addi	r0, #4
+	mvtc	r0, cr3		; spu
+	ld	r0, @(-4,r0)	; retrieve r0
+	.fillinsn
+2:
+	.endm
+#endif	/* CONFIG_CHIP_M32102 || CONFIG_CHIP_M32104 */
+
+#endif	/* __ASSEMBLY__ */
+
+#endif	/* _ASM_M32R_ASSEMBLER_H */