Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 225 insertions, 0 deletions

diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
new file mode 100644
index 0000000000..fbcfec4dc4
--- /dev/null
+++ b/arch/x86/include/asm/asm.h
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_ASM_H
+#define _ASM_X86_ASM_H
+
+#ifdef __ASSEMBLY__
+# define __ASM_FORM(x, ...)		x,## __VA_ARGS__
+# define __ASM_FORM_RAW(x, ...)		x,## __VA_ARGS__
+# define __ASM_FORM_COMMA(x, ...)	x,## __VA_ARGS__,
+# define __ASM_REGPFX			%
+#else
+#include <linux/stringify.h>
+# define __ASM_FORM(x, ...)		" " __stringify(x,##__VA_ARGS__) " "
+# define __ASM_FORM_RAW(x, ...)		    __stringify(x,##__VA_ARGS__)
+# define __ASM_FORM_COMMA(x, ...)	" " __stringify(x,##__VA_ARGS__) ","
+# define __ASM_REGPFX			%%
+#endif
+
+#define _ASM_BYTES(x, ...)	__ASM_FORM(.byte x,##__VA_ARGS__ ;)
+
+#ifndef __x86_64__
+/* 32 bit */
+# define __ASM_SEL(a,b)		__ASM_FORM(a)
+# define __ASM_SEL_RAW(a,b)	__ASM_FORM_RAW(a)
+#else
+/* 64 bit */
+# 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_MUL	__ASM_SIZE(mul)
+
+#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)
+
+/* Adds a (%rip) suffix on 64 bits only; for immediate memory references */
+#define _ASM_RIP(x)	__ASM_SEL_RAW(x, x (__ASM_REGPFX rip))
+
+#ifndef __x86_64__
+/* 32 bit */
+
+#define _ASM_ARG1	_ASM_AX
+#define _ASM_ARG2	_ASM_DX
+#define _ASM_ARG3	_ASM_CX
+
+#define _ASM_ARG1L	eax
+#define _ASM_ARG2L	edx
+#define _ASM_ARG3L	ecx
+
+#define _ASM_ARG1W	ax
+#define _ASM_ARG2W	dx
+#define _ASM_ARG3W	cx
+
+#define _ASM_ARG1B	al
+#define _ASM_ARG2B	dl
+#define _ASM_ARG3B	cl
+
+#else
+/* 64 bit */
+
+#define _ASM_ARG1	_ASM_DI
+#define _ASM_ARG2	_ASM_SI
+#define _ASM_ARG3	_ASM_DX
+#define _ASM_ARG4	_ASM_CX
+#define _ASM_ARG5	r8
+#define _ASM_ARG6	r9
+
+#define _ASM_ARG1Q	rdi
+#define _ASM_ARG2Q	rsi
+#define _ASM_ARG3Q	rdx
+#define _ASM_ARG4Q	rcx
+#define _ASM_ARG5Q	r8
+#define _ASM_ARG6Q	r9
+
+#define _ASM_ARG1L	edi
+#define _ASM_ARG2L	esi
+#define _ASM_ARG3L	edx
+#define _ASM_ARG4L	ecx
+#define _ASM_ARG5L	r8d
+#define _ASM_ARG6L	r9d
+
+#define _ASM_ARG1W	di
+#define _ASM_ARG2W	si
+#define _ASM_ARG3W	dx
+#define _ASM_ARG4W	cx
+#define _ASM_ARG5W	r8w
+#define _ASM_ARG6W	r9w
+
+#define _ASM_ARG1B	dil
+#define _ASM_ARG2B	sil
+#define _ASM_ARG3B	dl
+#define _ASM_ARG4B	cl
+#define _ASM_ARG5B	r8b
+#define _ASM_ARG6B	r9b
+
+#endif
+
+/*
+ * Macros to generate condition code outputs from inline assembly,
+ * The output operand must be type "bool".
+ */
+#ifdef __GCC_ASM_FLAG_OUTPUTS__
+# define CC_SET(c) "\n\t/* output condition code " #c "*/\n"
+# define CC_OUT(c) "=@cc" #c
+#else
+# define CC_SET(c) "\n\tset" #c " %[_cc_" #c "]\n"
+# define CC_OUT(c) [_cc_ ## c] "=qm"
+#endif
+
+#ifdef __KERNEL__
+
+# include <asm/extable_fixup_types.h>
+
+/* Exception table entry */
+#ifdef __ASSEMBLY__
+
+# define _ASM_EXTABLE_TYPE(from, to, type)			\
+	.pushsection "__ex_table","a" ;				\
+	.balign 4 ;						\
+	.long (from) - . ;					\
+	.long (to) - . ;					\
+	.long type ;						\
+	.popsection
+
+# ifdef CONFIG_KPROBES
+#  define _ASM_NOKPROBE(entry)					\
+	.pushsection "_kprobe_blacklist","aw" ;			\
+	_ASM_ALIGN ;						\
+	_ASM_PTR (entry);					\
+	.popsection
+# else
+#  define _ASM_NOKPROBE(entry)
+# endif
+
+#else /* ! __ASSEMBLY__ */
+
+# define DEFINE_EXTABLE_TYPE_REG \
+	".macro extable_type_reg type:req reg:req\n"						\
+	".set .Lfound, 0\n"									\
+	".set .Lregnr, 0\n"									\
+	".irp rs,rax,rcx,rdx,rbx,rsp,rbp,rsi,rdi,r8,r9,r10,r11,r12,r13,r14,r15\n"		\
+	".ifc \\reg, %%\\rs\n"									\
+	".set .Lfound, .Lfound+1\n"								\
+	".long \\type + (.Lregnr << 8)\n"							\
+	".endif\n"										\
+	".set .Lregnr, .Lregnr+1\n"								\
+	".endr\n"										\
+	".set .Lregnr, 0\n"									\
+	".irp rs,eax,ecx,edx,ebx,esp,ebp,esi,edi,r8d,r9d,r10d,r11d,r12d,r13d,r14d,r15d\n"	\
+	".ifc \\reg, %%\\rs\n"									\
+	".set .Lfound, .Lfound+1\n"								\
+	".long \\type + (.Lregnr << 8)\n"							\
+	".endif\n"										\
+	".set .Lregnr, .Lregnr+1\n"								\
+	".endr\n"										\
+	".if (.Lfound != 1)\n"									\
+	".error \"extable_type_reg: bad register argument\"\n"					\
+	".endif\n"										\
+	".endm\n"
+
+# define UNDEFINE_EXTABLE_TYPE_REG \
+	".purgem extable_type_reg\n"
+
+# define _ASM_EXTABLE_TYPE(from, to, type)			\
+	" .pushsection \"__ex_table\",\"a\"\n"			\
+	" .balign 4\n"						\
+	" .long (" #from ") - .\n"				\
+	" .long (" #to ") - .\n"				\
+	" .long " __stringify(type) " \n"			\
+	" .popsection\n"
+
+# define _ASM_EXTABLE_TYPE_REG(from, to, type, reg)				\
+	" .pushsection \"__ex_table\",\"a\"\n"					\
+	" .balign 4\n"								\
+	" .long (" #from ") - .\n"						\
+	" .long (" #to ") - .\n"						\
+	DEFINE_EXTABLE_TYPE_REG							\
+	"extable_type_reg reg=" __stringify(reg) ", type=" __stringify(type) " \n"\
+	UNDEFINE_EXTABLE_TYPE_REG						\
+	" .popsection\n"
+
+/* For C file, we already have NOKPROBE_SYMBOL macro */
+
+/*
+ * This output constraint should be used for any inline asm which has a "call"
+ * instruction.  Otherwise the asm may be inserted before the frame pointer
+ * gets set up by the containing function.  If you forget to do this, objtool
+ * may print a "call without frame pointer save/setup" warning.
+ */
+register unsigned long current_stack_pointer asm(_ASM_SP);
+#define ASM_CALL_CONSTRAINT "+r" (current_stack_pointer)
+#endif /* __ASSEMBLY__ */
+
+#define _ASM_EXTABLE(from, to)					\
+	_ASM_EXTABLE_TYPE(from, to, EX_TYPE_DEFAULT)
+
+#define _ASM_EXTABLE_UA(from, to)				\
+	_ASM_EXTABLE_TYPE(from, to, EX_TYPE_UACCESS)
+
+#define _ASM_EXTABLE_CPY(from, to)				\
+	_ASM_EXTABLE_TYPE(from, to, EX_TYPE_COPY)
+
+#define _ASM_EXTABLE_FAULT(from, to)				\
+	_ASM_EXTABLE_TYPE(from, to, EX_TYPE_FAULT)
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_X86_ASM_H */