Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * INET		An implementation of the TCP/IP protocol suite for the LINUX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *		operating system.  INET is implemented using the  BSD Socket
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *		interface as the means of communication with the user level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *		IP/TCP/UDP checksumming routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Authors:	Jorge Cwik, <jorge@laser.satlink.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *		Arnt Gulbrandsen, <agulbra@nvg.unit.no>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *		Tom May, <ftom@netcom.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *              Pentium Pro/II routines:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *              Alexander Kjeldaas <astor@guardian.no>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *              Finn Arne Gangstad <finnag@guardian.no>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *		Lots of code moved from tcp.c and ip.c; see those files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *		for more names.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * Changes:     Ingo Molnar, converted csum_partial_copy() to 2.1 exception
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *			     handling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *		Andi Kleen,  add zeroing on error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  *                   converted to pure assembler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <asm/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <asm/asm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <asm/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <asm/nospec-branch.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  * computes a partial checksum, e.g. for TCP/UDP fragments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /*	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) .text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #ifndef CONFIG_X86_USE_PPRO_CHECKSUM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	  /*		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	   * Experiments with Ethernet and SLIP connections show that buff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	   * is aligned on either a 2-byte or 4-byte boundary.  We get at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	   * least a twofold speedup on 486 and Pentium if it is 4-byte aligned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	   * Fortunately, it is easy to convert 2-byte alignment to 4-byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	   * alignment for the unrolled loop.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	   */		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) SYM_FUNC_START(csum_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	pushl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	pushl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	movl 20(%esp),%eax	# Function arg: unsigned int sum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	movl 16(%esp),%ecx	# Function arg: int len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	movl 12(%esp),%esi	# Function arg: unsigned char *buff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	testl $3, %esi		# Check alignment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	jz 2f			# Jump if alignment is ok.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	testl $1, %esi		# Check alignment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	jz 10f			# Jump if alignment is boundary of 2 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	# buf is odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	jl 8f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	movzbl (%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	roll $8, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	inc %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	testl $2, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	jz 2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	subl $2, %ecx		# Alignment uses up two bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	jae 1f			# Jump if we had at least two bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	addl $2, %ecx		# ecx was < 2.  Deal with it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	jmp 4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 1:	movw (%esi), %bx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	addl $2, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	addw %bx, %ax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	movl %ecx, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	shrl $5, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	jz 2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	testl %esi, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 1:	movl (%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	movl 4(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	movl 8(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	movl 12(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	movl 16(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	movl 20(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	movl 24(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	movl 28(%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	lea 32(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	jne 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 2:	movl %edx, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	andl $0x1c, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	je 4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	shrl $2, %edx		# This clears CF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 3:	adcl (%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	lea 4(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	dec %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	jne 3b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 4:	andl $3, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	jz 7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	cmpl $2, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	jb 5f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	movw (%esi),%cx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	leal 2(%esi),%esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	je 6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	shll $16,%ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 5:	movb (%esi),%cl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 6:	addl %ecx,%eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	adcl $0, %eax 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 7:	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	testb $1, 12(%esp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	jz 8f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	roll $8, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	popl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	popl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) SYM_FUNC_END(csum_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* Version for PentiumII/PPro */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) SYM_FUNC_START(csum_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	pushl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	pushl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	movl 20(%esp),%eax	# Function arg: unsigned int sum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	movl 16(%esp),%ecx	# Function arg: int len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	movl 12(%esp),%esi	# Function arg:	const unsigned char *buf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	testl $3, %esi         
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	jnz 25f                 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	movl %ecx, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	movl %ecx, %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	andl $0x7c, %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	shrl $7, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	addl %ebx,%esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	shrl $2, %ebx  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	negl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	lea 45f(%ebx,%ebx,2), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	testl %esi, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	JMP_NOSPEC ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	# Handle 2-byte-aligned regions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 20:	addw (%esi), %ax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	lea 2(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	jmp 10b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 25:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	testl $1, %esi         
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	jz 30f                 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	# buf is odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	jl 90f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	movzbl (%esi), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	addl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	roll $8, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	inc %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	testl $2, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	jz 10b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 30:	subl $2, %ecx          
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	ja 20b                 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	je 32f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	addl $2, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	jz 80f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	movzbl (%esi),%ebx	# csumming 1 byte, 2-aligned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	addl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	jmp 80f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	addw (%esi), %ax	# csumming 2 bytes, 2-aligned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	jmp 80f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 40: 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	addl -128(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	adcl -124(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	adcl -120(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	adcl -116(%esi), %eax   
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	adcl -112(%esi), %eax   
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	adcl -108(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	adcl -104(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	adcl -100(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	adcl -96(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	adcl -92(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	adcl -88(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	adcl -84(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	adcl -80(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	adcl -76(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	adcl -72(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	adcl -68(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	adcl -64(%esi), %eax     
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	adcl -60(%esi), %eax     
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	adcl -56(%esi), %eax     
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	adcl -52(%esi), %eax   
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	adcl -48(%esi), %eax   
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	adcl -44(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	adcl -40(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	adcl -36(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	adcl -32(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	adcl -28(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	adcl -24(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	adcl -20(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	adcl -16(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	adcl -12(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	adcl -8(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	adcl -4(%esi), %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 45:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	lea 128(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	jge 40b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	movl %edx, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 50:	andl $3, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	jz 80f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	# Handle the last 1-3 bytes without jumping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	notl %ecx		# 1->2, 2->1, 3->0, higher bits are masked
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	movl $0xffffff,%ebx	# by the shll and shrl instructions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	shll $3,%ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	shrl %cl,%ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	andl -128(%esi),%ebx	# esi is 4-aligned so should be ok
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	addl %ebx,%eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	adcl $0,%eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 80: 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	testb $1, 12(%esp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	jz 90f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	roll $8, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 90: 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	popl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	popl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) SYM_FUNC_END(csum_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 				
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) EXPORT_SYMBOL(csum_partial)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) unsigned int csum_partial_copy_generic (const char *src, char *dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 				  int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)  */ 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)  * Copy from ds while checksumming, otherwise like csum_partial
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) #define EXC(y...)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	9999: y;			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	_ASM_EXTABLE_UA(9999b, 6001f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #ifndef CONFIG_X86_USE_PPRO_CHECKSUM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) #define ARGBASE 16		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) #define FP		12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) SYM_FUNC_START(csum_partial_copy_generic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	subl  $4,%esp	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	pushl %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	pushl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	pushl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	movl ARGBASE+12(%esp),%ecx	# len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	movl ARGBASE+4(%esp),%esi	# src
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	movl ARGBASE+8(%esp),%edi	# dst
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	movl $-1, %eax			# sum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	testl $2, %edi			# Check alignment. 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	jz 2f				# Jump if alignment is ok.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	subl $2, %ecx			# Alignment uses up two bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	jae 1f				# Jump if we had at least two bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	addl $2, %ecx			# ecx was < 2.  Deal with it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	jmp 4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) EXC(1:	movw (%esi), %bx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	addl $2, %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) EXC(	movw %bx, (%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	addl $2, %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	addw %bx, %ax	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	movl %ecx, FP(%esp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	shrl $5, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	jz 2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	testl %esi, %esi		# what's wrong with clc?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) EXC(1:	movl (%esi), %ebx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) EXC(	movl 4(%esi), %edx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) EXC(	movl %ebx, (%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	adcl %edx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) EXC(	movl %edx, 4(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) EXC(	movl 8(%esi), %ebx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) EXC(	movl 12(%esi), %edx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) EXC(	movl %ebx, 8(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	adcl %edx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) EXC(	movl %edx, 12(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) EXC(	movl 16(%esi), %ebx 	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) EXC(	movl 20(%esi), %edx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) EXC(	movl %ebx, 16(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	adcl %edx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) EXC(	movl %edx, 20(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) EXC(	movl 24(%esi), %ebx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) EXC(	movl 28(%esi), %edx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) EXC(	movl %ebx, 24(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	adcl %edx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) EXC(	movl %edx, 28(%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	lea 32(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	lea 32(%edi), %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	jne 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 2:	movl FP(%esp), %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	movl %edx, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	andl $0x1c, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	je 4f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	shrl $2, %edx			# This clears CF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) EXC(3:	movl (%esi), %ebx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	adcl %ebx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) EXC(	movl %ebx, (%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	lea 4(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	lea 4(%edi), %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	dec %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	jne 3b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 4:	andl $3, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	jz 7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	cmpl $2, %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	jb 5f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) EXC(	movw (%esi), %cx	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	leal 2(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) EXC(	movw %cx, (%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	leal 2(%edi), %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	je 6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	shll $16,%ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) EXC(5:	movb (%esi), %cl	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) EXC(	movb %cl, (%edi)	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 6:	addl %ecx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) # Exception handler:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) .section .fixup, "ax"							
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 6001:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	xorl %eax, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	jmp 7b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) .previous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	popl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	popl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	popl %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	popl %ecx			# equivalent to addl $4,%esp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 	ret	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) SYM_FUNC_END(csum_partial_copy_generic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) /* Version for PentiumII/PPro */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) #define ROUND1(x) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	EXC(movl x(%esi), %ebx	)	;	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	addl %ebx, %eax			;	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	EXC(movl %ebx, x(%edi)	)	;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) #define ROUND(x) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	EXC(movl x(%esi), %ebx	)	;	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	adcl %ebx, %eax			;	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	EXC(movl %ebx, x(%edi)	)	;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) #define ARGBASE 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) SYM_FUNC_START(csum_partial_copy_generic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	pushl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	pushl %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 	pushl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	movl ARGBASE+4(%esp),%esi	#src
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	movl ARGBASE+8(%esp),%edi	#dst	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	movl ARGBASE+12(%esp),%ecx	#len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	movl $-1, %eax			#sum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) #	movl %ecx, %edx  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	movl %ecx, %ebx  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	movl %esi, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	shrl $6, %ecx     
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	andl $0x3c, %ebx  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	negl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	subl %ebx, %esi  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 	subl %ebx, %edi  
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	lea  -1(%esi),%edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	andl $-32,%edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	lea 3f(%ebx,%ebx), %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	testl %esi, %esi 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	JMP_NOSPEC ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 1:	addl $64,%esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	addl $64,%edi 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 	EXC(movb -32(%edx),%bl)	; EXC(movb (%edx),%bl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	ROUND1(-64) ROUND(-60) ROUND(-56) ROUND(-52)	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	ROUND (-48) ROUND(-44) ROUND(-40) ROUND(-36)	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	ROUND (-32) ROUND(-28) ROUND(-24) ROUND(-20)	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	ROUND (-16) ROUND(-12) ROUND(-8)  ROUND(-4)	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 3:	adcl $0,%eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	addl $64, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	dec %ecx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	jge 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 4:	movl ARGBASE+12(%esp),%edx	#len
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	andl $3, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	jz 7f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 	cmpl $2, %edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	jb 5f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) EXC(	movw (%esi), %dx         )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	leal 2(%esi), %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) EXC(	movw %dx, (%edi)         )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	leal 2(%edi), %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	je 6f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	shll $16,%edx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) EXC(	movb (%esi), %dl         )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) EXC(	movb %dl, (%edi)         )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 6:	addl %edx, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 	adcl $0, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) .section .fixup, "ax"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 6001:	xorl %eax, %eax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	jmp  7b			
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) .previous				
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	popl %esi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	popl %edi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	popl %ebx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	ret
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) SYM_FUNC_END(csum_partial_copy_generic)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 				
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) #undef ROUND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) #undef ROUND1		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 		
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) EXPORT_SYMBOL(csum_partial_copy_generic)