cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/boot/ppc_asm.h

#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 SPRN_HSRR0	0x13A	
/* Hypervisor Save/Restore 0 */

#define SPRN_HSRR1	0x13B	
/* Hypervisor Save/Restore 1 */


#define MSR_LE		0x0000000000000001


#define FIXUP_ENDIAN						   \
	tdi   0,0,0x48;	  /* Reverse endian of b . + 8            */ \
        b     $+44;	  /* Skip trampoline if endian is good    */ \
        .long 0xa600607d; /* mfmsr r11                            */ \
        .long 0x01006b69; /* xori r11,r11,1                       */ \
        .long 0x00004039; /* li r10,0                             */ \
        .long 0x6401417d; /* mtmsrd r10,1                 */ \
        .long 0x05009f42; /* bcl 20,31,$+4                        */ \
        .long 0xa602487d; /* mflr r10                             */ \
        .long 0x14004a39; /* addi r10,r10,20                      */ \
        .long 0xa6035a7d; /* mtsrr0 r10                           */ \
        .long 0xa6037b7d; /* mtsrr1 r11                           */ \
        .long 0x2400004c  /* rfid                         */

#ifdef CONFIG_PPC_8xx

#define MFTBL(dest)			mftb dest

#define MFTBU(dest)			mftbu dest
#else

#define MFTBL(dest)			mfspr dest, SPRN_TBRL

#define MFTBU(dest)			mfspr dest, SPRN_TBRU
#endif

#endif /* _PPC64_PPC_ASM_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Olaf Hering17266.93%116.67%
Christophe Leroy3513.62%116.67%
Cédric Le Goater166.23%116.67%
Oliver O'Halloran145.45%116.67%
Nicholas Piggin124.67%116.67%
Scott Wood83.11%116.67%
Total257100.00%6100.00%
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