xref: /kernel/linux/linux-6.6/tools/testing/selftests/powerpc/include/reg.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2014, Michael Ellerman, IBM Corp.
 */

#ifndef _SELFTESTS_POWERPC_REG_H
#define _SELFTESTS_POWERPC_REG_H

#define __stringify_1(x)        #x
#define __stringify(x)          __stringify_1(x)

#define mfspr(rn)	({unsigned long rval; \
			 asm volatile("mfspr %0," _str(rn) \
				    : "=r" (rval)); rval; })
#define mtspr(rn, v)	asm volatile("mtspr " _str(rn) ",%0" : \
				    : "r" ((unsigned long)(v)) \
				    : "memory")

#define mb()		asm volatile("sync" : : : "memory");
#define barrier()	asm volatile("" : : : "memory");

#define SPRN_HDEXCR_RO 455	/* Userspace readonly view of SPRN_HDEXCR (471) */

#define SPRN_MMCR2     769
#define SPRN_MMCRA     770
#define SPRN_MMCR0     779
#define   MMCR0_PMAO   0x00000080
#define   MMCR0_PMAE   0x04000000
#define   MMCR0_FC     0x80000000
#define SPRN_EBBHR     804
#define SPRN_EBBRR     805
#define SPRN_BESCR     806     /* Branch event status & control register */
#define SPRN_BESCRS    800     /* Branch event status & control set (1 bits set to 1) */
#define SPRN_BESCRSU   801     /* Branch event status & control set upper */
#define SPRN_BESCRR    802     /* Branch event status & control REset (1 bits set to 0) */
#define SPRN_BESCRRU   803     /* Branch event status & control REset upper */

#define BESCR_PMEO     0x1     /* PMU Event-based exception Occurred */
#define BESCR_PME      (0x1ul << 32) /* PMU Event-based exception Enable */

#define SPRN_PMC1      771
#define SPRN_PMC2      772
#define SPRN_PMC3      773
#define SPRN_PMC4      774
#define SPRN_PMC5      775
#define SPRN_PMC6      776

#define SPRN_SIAR      780
#define SPRN_SDAR      781
#define SPRN_SIER      768

#define SPRN_DEXCR_RO  812	/* Userspace readonly view of SPRN_DEXCR (828) */

#define SPRN_TEXASR     0x82    /* Transaction Exception and Status Register */
#define SPRN_TFIAR      0x81    /* Transaction Failure Inst Addr    */
#define SPRN_TFHAR      0x80    /* Transaction Failure Handler Addr */
#define SPRN_TAR        0x32f	/* Target Address Register */

#define PVR_VER(pvr)	(((pvr) >>  16) & 0xFFFF)
#define SPRN_PVR	0x11F

#define PVR_CFG(pvr)    (((pvr) >>  8) & 0xF)   /* Configuration field */
#define PVR_MAJ(pvr)    (((pvr) >>  4) & 0xF)   /* Major revision field */
#define PVR_MIN(pvr)    (((pvr) >>  0) & 0xF)   /* Minor revision field */

#define SPRN_DSCR_PRIV 0x11	/* Privilege State DSCR */
#define SPRN_DSCR      0x03	/* Data Stream Control Register */
#define SPRN_PPR       896	/* Program Priority Register */
#define SPRN_AMR       13	/* Authority Mask Register - problem state */

#define set_amr(v)	asm volatile("isync;" \
				     "mtspr " __stringify(SPRN_AMR) ",%0;" \
				     "isync" : \
				    : "r" ((unsigned long)(v)) \
				    : "memory")

/* TEXASR register bits */
#define TEXASR_FC	0xFE00000000000000
#define TEXASR_FP	0x0100000000000000
#define TEXASR_DA	0x0080000000000000
#define TEXASR_NO	0x0040000000000000
#define TEXASR_FO	0x0020000000000000
#define TEXASR_SIC	0x0010000000000000
#define TEXASR_NTC	0x0008000000000000
#define TEXASR_TC	0x0004000000000000
#define TEXASR_TIC	0x0002000000000000
#define TEXASR_IC	0x0001000000000000
#define TEXASR_IFC	0x0000800000000000
#define TEXASR_ABT	0x0000000100000000
#define TEXASR_SPD	0x0000000080000000
#define TEXASR_HV	0x0000000020000000
#define TEXASR_PR	0x0000000010000000
#define TEXASR_FS	0x0000000008000000
#define TEXASR_TE	0x0000000004000000
#define TEXASR_ROT	0x0000000002000000

/* MSR register bits */
#define MSR_HV 		(1ul << 60)	/* Hypervisor state */
#define MSR_TS_S_LG     33              /* Trans Mem state: Suspended */
#define MSR_TS_T_LG	34              /* Trans Mem state: Active */

#define __MASK(X)       (1UL<<(X))

/* macro to check TM MSR bits */
#define MSR_TS_S        __MASK(MSR_TS_S_LG)   /* Transaction Suspended */
#define MSR_TS_T	__MASK(MSR_TS_T_LG)   /* Transaction Transactional */

/* Vector Instructions */
#define VSX_XX1(xs, ra, rb)	(((xs) & 0x1f) << 21 | ((ra) << 16) |  \
				 ((rb) << 11) | (((xs) >> 5)))
#define STXVD2X(xs, ra, rb)	.long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
#define LXVD2X(xs, ra, rb)	.long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))

#define ASM_LOAD_GPR_IMMED(_asm_symbol_name_immed) \
		"li 14, %[" #_asm_symbol_name_immed "];" \
		"li 15, %[" #_asm_symbol_name_immed "];" \
		"li 16, %[" #_asm_symbol_name_immed "];" \
		"li 17, %[" #_asm_symbol_name_immed "];" \
		"li 18, %[" #_asm_symbol_name_immed "];" \
		"li 19, %[" #_asm_symbol_name_immed "];" \
		"li 20, %[" #_asm_symbol_name_immed "];" \
		"li 21, %[" #_asm_symbol_name_immed "];" \
		"li 22, %[" #_asm_symbol_name_immed "];" \
		"li 23, %[" #_asm_symbol_name_immed "];" \
		"li 24, %[" #_asm_symbol_name_immed "];" \
		"li 25, %[" #_asm_symbol_name_immed "];" \
		"li 26, %[" #_asm_symbol_name_immed "];" \
		"li 27, %[" #_asm_symbol_name_immed "];" \
		"li 28, %[" #_asm_symbol_name_immed "];" \
		"li 29, %[" #_asm_symbol_name_immed "];" \
		"li 30, %[" #_asm_symbol_name_immed "];" \
		"li 31, %[" #_asm_symbol_name_immed "];"

#define ASM_LOAD_FPR(_asm_symbol_name_addr) \
		"lfd 0, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 1, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 2, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 3, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 4, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 5, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 6, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 7, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 8, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 9, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 10, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 11, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 12, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 13, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 14, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 15, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 16, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 17, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 18, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 19, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 20, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 21, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 22, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 23, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 24, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 25, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 26, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 27, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 28, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 29, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 30, 0(%[" #_asm_symbol_name_addr "]);" \
		"lfd 31, 0(%[" #_asm_symbol_name_addr "]);"

#ifndef __ASSEMBLER__
void store_gpr(unsigned long *addr);
void load_gpr(unsigned long *addr);
void store_fpr(double *addr);
#endif /* end of __ASSEMBLER__ */

#endif /* _SELFTESTS_POWERPC_REG_H */