1#ifndef _SELFTESTS_POWERPC_INSTRUCTIONS_H 2#define _SELFTESTS_POWERPC_INSTRUCTIONS_H 3 4#include <stdio.h> 5#include <stdlib.h> 6 7/* This defines the "copy" instruction from Power ISA 3.0 Book II, section 4.4. */ 8#define __COPY(RA, RB, L) \ 9 (0x7c00060c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10)) 10#define COPY(RA, RB, L) \ 11 .long __COPY((RA), (RB), (L)) 12 13static inline void copy(void *i) 14{ 15 asm volatile(str(COPY(0, %0, 0))";" 16 : 17 : "b" (i) 18 : "memory" 19 ); 20} 21 22static inline void copy_first(void *i) 23{ 24 asm volatile(str(COPY(0, %0, 1))";" 25 : 26 : "b" (i) 27 : "memory" 28 ); 29} 30 31/* This defines the "paste" instruction from Power ISA 3.0 Book II, section 4.4. */ 32#define __PASTE(RA, RB, L, RC) \ 33 (0x7c00070c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10) | (RC) << (31-31)) 34#define PASTE(RA, RB, L, RC) \ 35 .long __PASTE((RA), (RB), (L), (RC)) 36 37static inline int paste(void *i) 38{ 39 int cr; 40 41 asm volatile(str(PASTE(0, %1, 0, 0))";" 42 "mfcr %0;" 43 : "=r" (cr) 44 : "b" (i) 45 : "memory" 46 ); 47 return cr; 48} 49 50static inline int paste_last(void *i) 51{ 52 int cr; 53 54 asm volatile(str(PASTE(0, %1, 1, 1))";" 55 "mfcr %0;" 56 : "=r" (cr) 57 : "b" (i) 58 : "memory" 59 ); 60 return cr; 61} 62 63#define PPC_INST_COPY __COPY(0, 0, 0) 64#define PPC_INST_COPY_FIRST __COPY(0, 0, 1) 65#define PPC_INST_PASTE __PASTE(0, 0, 0, 0) 66#define PPC_INST_PASTE_LAST __PASTE(0, 0, 1, 1) 67 68#endif /* _SELFTESTS_POWERPC_INSTRUCTIONS_H */ 69