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Linux/arch/arm/mach-imx/headsmp.S

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Diff markup

Differences between /arch/arm/mach-imx/headsmp.S (Version linux-6.12-rc7) and /arch/m68k/mach-imx/headsmp.S (Version linux-6.2.16)


  1 /* SPDX-License-Identifier: GPL-2.0-or-later *    
  2 /*                                                
  3  * Copyright 2011 Freescale Semiconductor, Inc    
  4  * Copyright 2011 Linaro Ltd.                     
  5  */                                               
  6                                                   
  7 #include <linux/linkage.h>                        
  8 #include <linux/init.h>                           
  9 #include <asm/assembler.h>                        
 10                                                   
 11 .arch armv7-a                                     
 12                                                   
 13 diag_reg_offset:                                  
 14         .word   g_diag_reg - .                    
 15                                                   
 16         .macro  set_diag_reg                      
 17         adr     r0, diag_reg_offset               
 18         ldr     r1, [r0]                          
 19         add     r1, r1, r0              @ r1 =    
 20         ldr     r0, [r1]                          
 21         mcr     p15, 0, r0, c15, c0, 1  @ writ    
 22         .endm                                     
 23                                                   
 24 ENTRY(v7_secondary_startup)                       
 25 ARM_BE8(setend be)                      @ go B    
 26         mrc     p15, 0, r0, c0, c0, 0             
 27         lsl     r0, r0, #16                       
 28         lsr     r0, r0, #20                       
 29         /* 0xc07 is cortex A7's ID */             
 30         mov     r1, #0xc00                        
 31         orr     r1, #0x7                          
 32         cmp     r0, r1                            
 33         beq     secondary_startup                 
 34                                                   
 35         set_diag_reg                              
 36         b       secondary_startup                 
 37 ENDPROC(v7_secondary_startup)                     
                                                      

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