Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / x86 / include / asm / asm.h

diff --git a/kernel/arch/x86/include/asm/asm.h b/kernel/arch/x86/include/asm/asm.h
new file mode 100644 (file)
index 0000000..7730c1c
--- /dev/null
+++ b/kernel/arch/x86/include/asm/asm.h
@@ -0,0 +1,83 @@
+#ifndef _ASM_X86_ASM_H
+#define _ASM_X86_ASM_H
+
+#ifdef __ASSEMBLY__
+# define __ASM_FORM(x) x
+# define __ASM_FORM_RAW(x)     x
+# define __ASM_FORM_COMMA(x) x,
+#else
+# define __ASM_FORM(x) " " #x " "
+# define __ASM_FORM_RAW(x)     #x
+# define __ASM_FORM_COMMA(x) " " #x ","
+#endif
+
+#ifdef CONFIG_X86_32
+# define __ASM_SEL(a,b) __ASM_FORM(a)
+# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
+#else
+# define __ASM_SEL(a,b) __ASM_FORM(b)
+# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
+#endif
+
+#define __ASM_SIZE(inst, ...)  __ASM_SEL(inst##l##__VA_ARGS__, \
+                                         inst##q##__VA_ARGS__)
+#define __ASM_REG(reg)         __ASM_SEL_RAW(e##reg, r##reg)
+
+#define _ASM_PTR       __ASM_SEL(.long, .quad)
+#define _ASM_ALIGN     __ASM_SEL(.balign 4, .balign 8)
+
+#define _ASM_MOV       __ASM_SIZE(mov)
+#define _ASM_INC       __ASM_SIZE(inc)
+#define _ASM_DEC       __ASM_SIZE(dec)
+#define _ASM_ADD       __ASM_SIZE(add)
+#define _ASM_SUB       __ASM_SIZE(sub)
+#define _ASM_XADD      __ASM_SIZE(xadd)
+
+#define _ASM_AX                __ASM_REG(ax)
+#define _ASM_BX                __ASM_REG(bx)
+#define _ASM_CX                __ASM_REG(cx)
+#define _ASM_DX                __ASM_REG(dx)
+#define _ASM_SP                __ASM_REG(sp)
+#define _ASM_BP                __ASM_REG(bp)
+#define _ASM_SI                __ASM_REG(si)
+#define _ASM_DI                __ASM_REG(di)
+
+/* Exception table entry */
+#ifdef __ASSEMBLY__
+# define _ASM_EXTABLE(from,to)                                 \
+       .pushsection "__ex_table","a" ;                         \
+       .balign 8 ;                                             \
+       .long (from) - . ;                                      \
+       .long (to) - . ;                                        \
+       .popsection
+
+# define _ASM_EXTABLE_EX(from,to)                              \
+       .pushsection "__ex_table","a" ;                         \
+       .balign 8 ;                                             \
+       .long (from) - . ;                                      \
+       .long (to) - . + 0x7ffffff0 ;                           \
+       .popsection
+
+# define _ASM_NOKPROBE(entry)                                  \
+       .pushsection "_kprobe_blacklist","aw" ;                 \
+       _ASM_ALIGN ;                                            \
+       _ASM_PTR (entry);                                       \
+       .popsection
+#else
+# define _ASM_EXTABLE(from,to)                                 \
+       " .pushsection \"__ex_table\",\"a\"\n"                  \
+       " .balign 8\n"                                          \
+       " .long (" #from ") - .\n"                              \
+       " .long (" #to ") - .\n"                                \
+       " .popsection\n"
+
+# define _ASM_EXTABLE_EX(from,to)                              \
+       " .pushsection \"__ex_table\",\"a\"\n"                  \
+       " .balign 8\n"                                          \
+       " .long (" #from ") - .\n"                              \
+       " .long (" #to ") - . + 0x7ffffff0\n"                   \
+       " .popsection\n"
+/* For C file, we already have NOKPROBE_SYMBOL macro */
+#endif
+
+#endif /* _ASM_X86_ASM_H */