/* 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 __ASSEMBLER__#  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 */