Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SELFTESTS_POWERPC_INSTRUCTIONS_H #define _SELFTESTS_POWERPC_INSTRUCTIONS_H #include <stdio.h> #include <stdlib.h> /* This defines the "copy" instruction from Power ISA 3.0 Book II, section 4.4. */ #define __COPY(RA, RB, L) \ (0x7c00060c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10)) #define COPY(RA, RB, L) \ .long __COPY((RA), (RB), (L)) static inline void copy(void *i) { asm volatile(str(COPY(0, %0, 0))";" : : "b" (i) : "memory" ); } static inline void copy_first(void *i) { asm volatile(str(COPY(0, %0, 1))";" : : "b" (i) : "memory" ); } /* This defines the "paste" instruction from Power ISA 3.0 Book II, section 4.4. */ #define __PASTE(RA, RB, L, RC) \ (0x7c00070c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10) | (RC) << (31-31)) #define PASTE(RA, RB, L, RC) \ .long __PASTE((RA), (RB), (L), (RC)) static inline int paste(void *i) { int cr; asm volatile(str(PASTE(0, %1, 0, 0))";" "mfcr %0;" : "=r" (cr) : "b" (i) : "memory" ); return cr; } static inline int paste_last(void *i) { int cr; asm volatile(str(PASTE(0, %1, 1, 1))";" "mfcr %0;" : "=r" (cr) : "b" (i) : "memory" ); return cr; } #define PPC_INST_COPY __COPY(0, 0, 0) #define PPC_INST_COPY_FIRST __COPY(0, 0, 1) #define PPC_INST_PASTE __PASTE(0, 0, 0, 0) #define PPC_INST_PASTE_LAST __PASTE(0, 0, 1, 1) /* This defines the prefixed load/store instructions */ #ifdef __ASSEMBLY__ # define stringify_in_c(...) __VA_ARGS__ #else # define __stringify_in_c(...) #__VA_ARGS__ # define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " " #endif #define __PPC_RA(a) (((a) & 0x1f) << 16) #define __PPC_RS(s) (((s) & 0x1f) << 21) #define __PPC_RT(t) __PPC_RS(t) #define __PPC_PREFIX_R(r) (((r) & 0x1) << 20) #define PPC_PREFIX_MLS 0x06000000 #define PPC_PREFIX_8LS 0x04000000 #define PPC_INST_LBZ 0x88000000 #define PPC_INST_LHZ 0xa0000000 #define PPC_INST_LHA 0xa8000000 #define PPC_INST_LWZ 0x80000000 #define PPC_INST_STB 0x98000000 #define PPC_INST_STH 0xb0000000 #define PPC_INST_STW 0x90000000 #define PPC_INST_STD 0xf8000000 #define PPC_INST_LFS 0xc0000000 #define PPC_INST_LFD 0xc8000000 #define PPC_INST_STFS 0xd0000000 #define PPC_INST_STFD 0xd8000000 #define PREFIX_MLS(instr, t, a, r, d) stringify_in_c(.balign 64, , 4;) \ stringify_in_c(.long PPC_PREFIX_MLS | \ __PPC_PREFIX_R(r) | \ (((d) >> 16) & 0x3ffff);) \ stringify_in_c(.long (instr) | \ __PPC_RT(t) | \ __PPC_RA(a) | \ ((d) & 0xffff);\n) #define PREFIX_8LS(instr, t, a, r, d) stringify_in_c(.balign 64, , 4;) \ stringify_in_c(.long PPC_PREFIX_8LS | \ __PPC_PREFIX_R(r) | \ (((d) >> 16) & 0x3ffff);) \ stringify_in_c(.long (instr) | \ __PPC_RT(t) | \ __PPC_RA(a) | \ ((d) & 0xffff);\n) /* Prefixed Integer Load/Store instructions */ #define PLBZ(t, a, r, d) PREFIX_MLS(PPC_INST_LBZ, t, a, r, d) #define PLHZ(t, a, r, d) PREFIX_MLS(PPC_INST_LHZ, t, a, r, d) #define PLHA(t, a, r, d) PREFIX_MLS(PPC_INST_LHA, t, a, r, d) #define PLWZ(t, a, r, d) PREFIX_MLS(PPC_INST_LWZ, t, a, r, d) #define PLWA(t, a, r, d) PREFIX_8LS(0xa4000000, t, a, r, d) #define PLD(t, a, r, d) PREFIX_8LS(0xe4000000, t, a, r, d) #define PLQ(t, a, r, d) PREFIX_8LS(0xe0000000, t, a, r, d) #define PSTB(s, a, r, d) PREFIX_MLS(PPC_INST_STB, s, a, r, d) #define PSTH(s, a, r, d) PREFIX_MLS(PPC_INST_STH, s, a, r, d) #define PSTW(s, a, r, d) PREFIX_MLS(PPC_INST_STW, s, a, r, d) #define PSTD(s, a, r, d) PREFIX_8LS(0xf4000000, s, a, r, d) #define PSTQ(s, a, r, d) PREFIX_8LS(0xf0000000, s, a, r, d) /* Prefixed Floating-Point Load/Store Instructions */ #define PLFS(frt, a, r, d) PREFIX_MLS(PPC_INST_LFS, frt, a, r, d) #define PLFD(frt, a, r, d) PREFIX_MLS(PPC_INST_LFD, frt, a, r, d) #define PSTFS(frs, a, r, d) PREFIX_MLS(PPC_INST_STFS, frs, a, r, d) #define PSTFD(frs, a, r, d) PREFIX_MLS(PPC_INST_STFD, frs, a, r, d) /* Prefixed VSX Load/Store Instructions */ #define PLXSD(vrt, a, r, d) PREFIX_8LS(0xa8000000, vrt, a, r, d) #define PLXSSP(vrt, a, r, d) PREFIX_8LS(0xac000000, vrt, a, r, d) #define PLXV0(s, a, r, d) PREFIX_8LS(0xc8000000, s, a, r, d) #define PLXV1(s, a, r, d) PREFIX_8LS(0xcc000000, s, a, r, d) #define PSTXSD(vrs, a, r, d) PREFIX_8LS(0xb8000000, vrs, a, r, d) #define PSTXSSP(vrs, a, r, d) PREFIX_8LS(0xbc000000, vrs, a, r, d) #define PSTXV0(s, a, r, d) PREFIX_8LS(0xd8000000, s, a, r, d) #define PSTXV1(s, a, r, d) PREFIX_8LS(0xdc000000, s, a, r, d) #endif /* _SELFTESTS_POWERPC_INSTRUCTIONS_H */ |