~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/sparc/lib/ipcsum.S

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/sparc/lib/ipcsum.S (Architecture i386) and /arch/sparc64/lib/ipcsum.S (Architecture sparc64)


  1 /* SPDX-License-Identifier: GPL-2.0 */            
  2 #include <linux/export.h>                         
  3 #include <linux/linkage.h>                        
  4                                                   
  5         .text                                     
  6 ENTRY(ip_fast_csum) /* %o0 = iph, %o1 = ihl */    
  7         sub     %o1, 4, %g7                       
  8         lduw    [%o0 + 0x00], %o2                 
  9         lduw    [%o0 + 0x04], %g2                 
 10         lduw    [%o0 + 0x08], %g3                 
 11         addcc   %g2, %o2, %o2                     
 12         lduw    [%o0 + 0x0c], %g2                 
 13         addccc  %g3, %o2, %o2                     
 14         lduw    [%o0 + 0x10], %g3                 
 15                                                   
 16         addccc  %g2, %o2, %o2                     
 17         addc    %o2, %g0, %o2                     
 18 1:      addcc   %g3, %o2, %o2                     
 19         add     %o0, 4, %o0                       
 20         addccc  %o2, %g0, %o2                     
 21         subcc   %g7, 1, %g7                       
 22         be,a,pt %icc, 2f                          
 23          sll    %o2, 16, %g2                      
 24                                                   
 25         lduw    [%o0 + 0x10], %g3                 
 26         ba,pt   %xcc, 1b                          
 27          nop                                      
 28 2:      addcc   %o2, %g2, %g2                     
 29         srl     %g2, 16, %o2                      
 30         addc    %o2, %g0, %o2                     
 31         xnor    %g0, %o2, %o2                     
 32         set     0xffff, %o1                       
 33         retl                                      
 34          and    %o2, %o1, %o0                     
 35 ENDPROC(ip_fast_csum)                             
 36 EXPORT_SYMBOL(ip_fast_csum)                       
                                                      

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php