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Linux/arch/sparc/kernel/dtlb_miss.S

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Diff markup

Differences between /arch/sparc/kernel/dtlb_miss.S (Version linux-6.12-rc7) and /arch/i386/kernel/dtlb_miss.S (Version linux-5.16.20)

  1 /* SPDX-License-Identifier: GPL-2.0 */            
  2 /* DTLB ** ICACHE line 1: Context 0 check and     
  3         ldxa    [%g0] ASI_DMMU_TSB_8KB_PTR, %g    
  4         ldxa    [%g0] ASI_DMMU, %g6               
  5         srlx    %g6, 48, %g5                      
  6         sllx    %g6, 22, %g6                      
  7         brz,pn  %g5, kvmap_dtlb                   
  8          srlx   %g6, 22, %g6                      
  9         TSB_LOAD_QUAD(%g1, %g4)                   
 10         cmp     %g4, %g6                          
 11                                                   
 12 /* DTLB ** ICACHE line 2: TSB compare and TLB     
 13         bne,pn  %xcc, tsb_miss_dtlb               
 14          mov    FAULT_CODE_DTLB, %g3              
 15         stxa    %g5, [%g0] ASI_DTLB_DATA_IN       
 16         retry                                     
 17         nop                                       
 18         nop                                       
 19         nop                                       
 20         nop                                       
 21                                                   
 22 /* DTLB ** ICACHE line 3:                         
 23         nop                                       
 24         nop                                       
 25         nop                                       
 26         nop                                       
 27         nop                                       
 28         nop                                       
 29         nop                                       
 30         nop                                       
 31                                                   
 32 /* DTLB ** ICACHE line 4:                         
 33         nop                                       
 34         nop                                       
 35         nop                                       
 36         nop                                       
 37         nop                                       
 38         nop                                       
 39         nop                                       
 40         nop
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