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kernel/linux-rt-4.4.41/arch/powerpc/boot/ppc_asm.h 1.62 KB
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  #ifndef _PPC64_PPC_ASM_H
  #define _PPC64_PPC_ASM_H
  /*
   *
   * Definitions used by various bits of low-level assembly code on PowerPC.
   *
   * Copyright (C) 1995-1999 Gary Thomas, Paul Mackerras, Cort Dougan.
   *
   *  This program is free software; you can redistribute it and/or
   *  modify it under the terms of the GNU General Public License
   *  as published by the Free Software Foundation; either version
   *  2 of the License, or (at your option) any later version.
   */
  
  /* Condition Register Bit Fields */
  
  #define	cr0	0
  #define	cr1	1
  #define	cr2	2
  #define	cr3	3
  #define	cr4	4
  #define	cr5	5
  #define	cr6	6
  #define	cr7	7
  
  
  /* General Purpose Registers (GPRs) */
  
  #define	r0	0
  #define	r1	1
  #define	r2	2
  #define	r3	3
  #define	r4	4
  #define	r5	5
  #define	r6	6
  #define	r7	7
  #define	r8	8
  #define	r9	9
  #define	r10	10
  #define	r11	11
  #define	r12	12
  #define	r13	13
  #define	r14	14
  #define	r15	15
  #define	r16	16
  #define	r17	17
  #define	r18	18
  #define	r19	19
  #define	r20	20
  #define	r21	21
  #define	r22	22
  #define	r23	23
  #define	r24	24
  #define	r25	25
  #define	r26	26
  #define	r27	27
  #define	r28	28
  #define	r29	29
  #define	r30	30
  #define	r31	31
  
  #define SPRN_TBRL	268
  #define SPRN_TBRU	269
  
  #define FIXUP_ENDIAN						   \
  	tdi   0, 0, 0x48; /* Reverse endian of b . + 8		*/ \
  	b     $+36;	  /* Skip trampoline if endian is good	*/ \
  	.long 0x05009f42; /* bcl 20,31,$+4			*/ \
  	.long 0xa602487d; /* mflr r10				*/ \
  	.long 0x1c004a39; /* addi r10,r10,28			*/ \
  	.long 0xa600607d; /* mfmsr r11				*/ \
  	.long 0x01006b69; /* xori r11,r11,1			*/ \
  	.long 0xa6035a7d; /* mtsrr0 r10				*/ \
  	.long 0xa6037b7d; /* mtsrr1 r11				*/ \
  	.long 0x2400004c  /* rfid				*/
  
  #endif /* _PPC64_PPC_ASM_H */