tools/testing/selftests/powerpc/include/reg.h

Source file repositories/reference/linux-study-clean/tools/testing/selftests/powerpc/include/reg.h

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/powerpc/include/reg.h
Extension
.h
Size
6833 bytes
Lines
175
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#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

Annotation

Implementation Notes