xref: /kvm-unit-tests/lib/powerpc/asm/ppc_asm.h (revision f1ccf5d2165b6c0e33630f0718814029cd414f13)
1 #ifndef _ASMPOWERPC_PPC_ASM_H
2 #define _ASMPOWERPC_PPC_ASM_H
3 
4 #define LOAD_REG_IMMEDIATE(reg,expr)		\
5 	lis	reg,(expr)@highest;		\
6 	ori	reg,reg,(expr)@higher;		\
7 	rldicr	reg,reg,32,31;			\
8 	oris	reg,reg,(expr)@h;		\
9 	ori	reg,reg,(expr)@l;
10 
11 #define LOAD_REG_ADDR(reg,name)			\
12 	ld	reg,name@got(r2)
13 
14 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
15 
16 #define FIXUP_ENDIAN
17 
18 #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
19 
20 #define FIXUP_ENDIAN				\
21 	.long 0x05000048; /* bl . + 4        */ \
22 	.long 0xa602487d; /* mflr r10        */	\
23 	.long 0x20004a39; /* addi r10,r10,32 */	\
24 	.long 0xa600607d; /* mfmsr r11       */	\
25 	.long 0x01006b69; /* xori r11,r11,1  */	\
26 	.long 0xa6035a7d; /* mtsrr0 r10	     */	\
27 	.long 0xa6037b7d; /* mtsrr1 r11      */	\
28 	.long 0x2400004c; /* rfid            */ \
29 	.long 0x00000048; /* b .             */ \
30 
31 #endif /* __BYTE_ORDER__ */
32 
33 #endif /* _ASMPOWERPC_PPC_ASM_H */
34