Messages in this thread Patch in this message | | | From | Anshuman Khandual <> | Subject | [PATCH 2/8] arm64/perf: Add register definitions for BRBE | Date | Mon, 13 Jun 2022 15:31:13 +0530 |
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This adds BRBE related register definitions and various other related field macros there in. These will be used subsequently in a BRBE driver which is being added later on.
Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Marc Zyngier <maz@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/include/asm/sysreg.h | 222 ++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 42ff95dba6da..f3547bc30b2a 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -161,6 +161,224 @@ #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0) #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0) +/* + * BRBINF<N>_EL1 Encoding: [2, 1, 8, CRm, op2] + * + * derived as <CRm> = c{N<3:0>} <op2> = (N<4>x4 + 0) + */ +#define __SYS_BRBINFO(n) sys_reg(2, 1, 8, ((n) & 0xf), (((n) & 0x10)) >> 2) + +#define SYS_BRBINF0_EL1 __SYS_BRBINFO(0) +#define SYS_BRBINF1_EL1 __SYS_BRBINFO(1) +#define SYS_BRBINF2_EL1 __SYS_BRBINFO(2) +#define SYS_BRBINF3_EL1 __SYS_BRBINFO(3) +#define SYS_BRBINF4_EL1 __SYS_BRBINFO(4) +#define SYS_BRBINF5_EL1 __SYS_BRBINFO(5) +#define SYS_BRBINF6_EL1 __SYS_BRBINFO(6) +#define SYS_BRBINF7_EL1 __SYS_BRBINFO(7) +#define SYS_BRBINF8_EL1 __SYS_BRBINFO(8) +#define SYS_BRBINF9_EL1 __SYS_BRBINFO(9) +#define SYS_BRBINF10_EL1 __SYS_BRBINFO(10) +#define SYS_BRBINF11_EL1 __SYS_BRBINFO(11) +#define SYS_BRBINF12_EL1 __SYS_BRBINFO(12) +#define SYS_BRBINF13_EL1 __SYS_BRBINFO(13) +#define SYS_BRBINF14_EL1 __SYS_BRBINFO(14) +#define SYS_BRBINF15_EL1 __SYS_BRBINFO(15) +#define SYS_BRBINF16_EL1 __SYS_BRBINFO(16) +#define SYS_BRBINF17_EL1 __SYS_BRBINFO(17) +#define SYS_BRBINF18_EL1 __SYS_BRBINFO(18) +#define SYS_BRBINF19_EL1 __SYS_BRBINFO(19) +#define SYS_BRBINF20_EL1 __SYS_BRBINFO(20) +#define SYS_BRBINF21_EL1 __SYS_BRBINFO(21) +#define SYS_BRBINF22_EL1 __SYS_BRBINFO(22) +#define SYS_BRBINF23_EL1 __SYS_BRBINFO(23) +#define SYS_BRBINF24_EL1 __SYS_BRBINFO(24) +#define SYS_BRBINF25_EL1 __SYS_BRBINFO(25) +#define SYS_BRBINF26_EL1 __SYS_BRBINFO(26) +#define SYS_BRBINF27_EL1 __SYS_BRBINFO(27) +#define SYS_BRBINF28_EL1 __SYS_BRBINFO(28) +#define SYS_BRBINF29_EL1 __SYS_BRBINFO(29) +#define SYS_BRBINF30_EL1 __SYS_BRBINFO(30) +#define SYS_BRBINF31_EL1 __SYS_BRBINFO(31) + +/* + * BRBSRC<N>_EL1 Encoding: [2, 1, 8, CRm, op2] + * + * derived as <CRm> = c{N<3:0>} <op2> = (N<4>x4 + 1) + */ +#define __SYS_BRBSRC(n) sys_reg(2, 1, 8, ((n) & 0xf), ((((n) & 0x10)) >> 2 + 1)) + +#define SYS_BRBSRC0_EL1 __SYS_BRBSRC(0) +#define SYS_BRBSRC1_EL1 __SYS_BRBSRC(1) +#define SYS_BRBSRC2_EL1 __SYS_BRBSRC(2) +#define SYS_BRBSRC3_EL1 __SYS_BRBSRC(3) +#define SYS_BRBSRC4_EL1 __SYS_BRBSRC(4) +#define SYS_BRBSRC5_EL1 __SYS_BRBSRC(5) +#define SYS_BRBSRC6_EL1 __SYS_BRBSRC(6) +#define SYS_BRBSRC7_EL1 __SYS_BRBSRC(7) +#define SYS_BRBSRC8_EL1 __SYS_BRBSRC(8) +#define SYS_BRBSRC9_EL1 __SYS_BRBSRC(9) +#define SYS_BRBSRC10_EL1 __SYS_BRBSRC(10) +#define SYS_BRBSRC11_EL1 __SYS_BRBSRC(11) +#define SYS_BRBSRC12_EL1 __SYS_BRBSRC(12) +#define SYS_BRBSRC13_EL1 __SYS_BRBSRC(13) +#define SYS_BRBSRC14_EL1 __SYS_BRBSRC(14) +#define SYS_BRBSRC15_EL1 __SYS_BRBSRC(15) +#define SYS_BRBSRC16_EL1 __SYS_BRBSRC(16) +#define SYS_BRBSRC17_EL1 __SYS_BRBSRC(17) +#define SYS_BRBSRC18_EL1 __SYS_BRBSRC(18) +#define SYS_BRBSRC19_EL1 __SYS_BRBSRC(19) +#define SYS_BRBSRC20_EL1 __SYS_BRBSRC(20) +#define SYS_BRBSRC21_EL1 __SYS_BRBSRC(21) +#define SYS_BRBSRC22_EL1 __SYS_BRBSRC(22) +#define SYS_BRBSRC23_EL1 __SYS_BRBSRC(23) +#define SYS_BRBSRC24_EL1 __SYS_BRBSRC(24) +#define SYS_BRBSRC25_EL1 __SYS_BRBSRC(25) +#define SYS_BRBSRC26_EL1 __SYS_BRBSRC(26) +#define SYS_BRBSRC27_EL1 __SYS_BRBSRC(27) +#define SYS_BRBSRC28_EL1 __SYS_BRBSRC(28) +#define SYS_BRBSRC29_EL1 __SYS_BRBSRC(29) +#define SYS_BRBSRC30_EL1 __SYS_BRBSRC(30) +#define SYS_BRBSRC31_EL1 __SYS_BRBSRC(31) + +/* + * BRBTGT<N>_EL1 Encoding: [2, 1, 8, CRm, op2] + * + * derived as <CRm> = c{N<3:0>} <op2> = (N<4>x4 + 2) + */ +#define __SYS_BRBTGT(n) sys_reg(2, 1, 8, ((n) & 0xf), ((((n) & 0x10)) >> 2 + 2)) + +#define SYS_BRBTGT0_EL1 __SYS_BRBTGT(0) +#define SYS_BRBTGT1_EL1 __SYS_BRBTGT(1) +#define SYS_BRBTGT2_EL1 __SYS_BRBTGT(2) +#define SYS_BRBTGT3_EL1 __SYS_BRBTGT(3) +#define SYS_BRBTGT4_EL1 __SYS_BRBTGT(4) +#define SYS_BRBTGT5_EL1 __SYS_BRBTGT(5) +#define SYS_BRBTGT6_EL1 __SYS_BRBTGT(6) +#define SYS_BRBTGT7_EL1 __SYS_BRBTGT(7) +#define SYS_BRBTGT8_EL1 __SYS_BRBTGT(8) +#define SYS_BRBTGT9_EL1 __SYS_BRBTGT(9) +#define SYS_BRBTGT10_EL1 __SYS_BRBTGT(10) +#define SYS_BRBTGT11_EL1 __SYS_BRBTGT(11) +#define SYS_BRBTGT12_EL1 __SYS_BRBTGT(12) +#define SYS_BRBTGT13_EL1 __SYS_BRBTGT(13) +#define SYS_BRBTGT14_EL1 __SYS_BRBTGT(14) +#define SYS_BRBTGT15_EL1 __SYS_BRBTGT(15) +#define SYS_BRBTGT16_EL1 __SYS_BRBTGT(16) +#define SYS_BRBTGT17_EL1 __SYS_BRBTGT(17) +#define SYS_BRBTGT18_EL1 __SYS_BRBTGT(18) +#define SYS_BRBTGT19_EL1 __SYS_BRBTGT(19) +#define SYS_BRBTGT20_EL1 __SYS_BRBTGT(20) +#define SYS_BRBTGT21_EL1 __SYS_BRBTGT(21) +#define SYS_BRBTGT22_EL1 __SYS_BRBTGT(22) +#define SYS_BRBTGT23_EL1 __SYS_BRBTGT(23) +#define SYS_BRBTGT24_EL1 __SYS_BRBTGT(24) +#define SYS_BRBTGT25_EL1 __SYS_BRBTGT(25) +#define SYS_BRBTGT26_EL1 __SYS_BRBTGT(26) +#define SYS_BRBTGT27_EL1 __SYS_BRBTGT(27) +#define SYS_BRBTGT28_EL1 __SYS_BRBTGT(28) +#define SYS_BRBTGT29_EL1 __SYS_BRBTGT(29) +#define SYS_BRBTGT30_EL1 __SYS_BRBTGT(30) +#define SYS_BRBTGT31_EL1 __SYS_BRBTGT(31) + +#define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0) +#define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0) +#define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1) +#define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2) +#define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0) +#define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1) +#define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2) + +#define BRBIDR0_CC_SHIFT 12 +#define BRBIDR0_CC_MASK GENMASK(3, 0) +#define BRBIDR0_FORMAT_SHIFT 8 +#define BRBIDR0_FORMAT_MASK GENMASK(3, 0) +#define BRBIDR0_NUMREC_SHIFT 0 +#define BRBIDR0_NUMREC_MASK GENMASK(7, 0) + +#define BRBIDR0_CC_20_BIT 0x5 +#define BRBIDR0_FORMAT_0 0x0 + +#define BRBIDR0_NUMREC_8 0x08 +#define BRBIDR0_NUMREC_16 0x10 +#define BRBIDR0_NUMREC_32 0x20 +#define BRBIDR0_NUMREC_64 0x40 + +#define BRBINF_VALID_SHIFT 0 +#define BRBINF_VALID_MASK GENMASK(1, 0) +#define BRBINF_MPRED (1UL << 5) +#define BRBINF_EL_SHIFT 6 +#define BRBINF_EL_MASK GENMASK(1, 0) +#define BRBINF_TYPE_SHIFT 8 +#define BRBINF_TYPE_MASK GENMASK(5, 0) +#define BRBINF_TX (1UL << 16) +#define BRBINF_LASTFAILED (1UL << 17) +#define BRBINF_CC_SHIFT 32 +#define BRBINF_CC_MASK GENMASK(13, 0) +#define BRBINF_CCU (1UL << 46) + +#define BRBINF_EL_EL0 0x0 +#define BRBINF_EL_EL1 0x1 +#define BRBINF_EL_EL2 0x2 + +#define BRBINF_VALID_INVALID 0x0 +#define BRBINF_VALID_TARGET 0x1 +#define BRBINF_VALID_SOURCE 0x2 +#define BRBINF_VALID_ALL 0x3 + +#define BRBINF_TYPE_UNCOND_DIR 0x0 +#define BRBINF_TYPE_INDIR 0x1 +#define BRBINF_TYPE_DIR_LINK 0x2 +#define BRBINF_TYPE_INDIR_LINK 0x3 +#define BRBINF_TYPE_RET_SUB 0x5 +#define BRBINF_TYPE_RET_EXCPT 0x7 +#define BRBINF_TYPE_COND_DIR 0x8 +#define BRBINF_TYPE_DEBUG_HALT 0x21 +#define BRBINF_TYPE_CALL 0x22 +#define BRBINF_TYPE_TRAP 0x23 +#define BRBINF_TYPE_SERROR 0x24 +#define BRBINF_TYPE_INST_DEBUG 0x26 +#define BRBINF_TYPE_DATA_DEBUG 0x27 +#define BRBINF_TYPE_ALGN_FAULT 0x2A +#define BRBINF_TYPE_INST_FAULT 0x2B +#define BRBINF_TYPE_DATA_FAULT 0x2C +#define BRBINF_TYPE_IRQ 0x2E +#define BRBINF_TYPE_FIQ 0x2F +#define BRBINF_TYPE_DEBUG_EXIT 0x39 + +#define BRBCR_E0BRE (1UL << 0) +#define BRBCR_E1BRE (1UL << 1) +#define BRBCR_CC (1UL << 3) +#define BRBCR_MPRED (1UL << 4) +#define BRBCR_FZP (1UL << 8) +#define BRBCR_ERTN (1UL << 22) +#define BRBCR_EXCEPTION (1UL << 23) +#define BRBCR_TS_MASK GENMASK(1, 0) +#define BRBCR_TS_SHIFT 5 + +#define BRBCR_TS_VIRTUAL 0x1 +#define BRBCR_TS_GST_PHYSICAL 0x2 +#define BRBCR_TS_PHYSICAL 0x3 + +#define BRBFCR_LASTFAILED (1UL << 6) +#define BRBFCR_PAUSED (1UL << 7) +#define BRBFCR_ENL (1UL << 16) +#define BRBFCR_DIRECT (1UL << 17) +#define BRBFCR_INDIRECT (1UL << 18) +#define BRBFCR_RTN (1UL << 19) +#define BRBFCR_INDCALL (1UL << 20) +#define BRBFCR_DIRCALL (1UL << 21) +#define BRBFCR_CONDDIR (1UL << 22) +#define BRBFCR_BANK_MASK GENMASK(1, 0) +#define BRBFCR_BANK_SHIFT 28 + +#define BRBFCR_BANK_FIRST 0x0 +#define BRBFCR_BANK_SECOND 0x1 + +#define BRBFCR_BRANCH_ALL (BRBFCR_DIRECT | BRBFCR_INDIRECT | \ + BRBFCR_RTN | BRBFCR_INDCALL | \ + BRBFCR_DIRCALL | BRBFCR_CONDDIR) + #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0) #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5) #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6) @@ -936,6 +1154,7 @@ #define ID_AA64MMFR2_CNP_SHIFT 0 /* id_aa64dfr0 */ +#define ID_AA64DFR0_BRBE_SHIFT 52 #define ID_AA64DFR0_MTPMU_SHIFT 48 #define ID_AA64DFR0_TRBE_SHIFT 44 #define ID_AA64DFR0_TRACE_FILT_SHIFT 40 @@ -958,6 +1177,9 @@ #define ID_AA64DFR0_PMSVER_8_2 0x1 #define ID_AA64DFR0_PMSVER_8_3 0x2 +#define ID_AA64DFR0_BRBE 0x1 +#define ID_AA64DFR0_BRBE_V1P1 0x2 + #define ID_DFR0_PERFMON_SHIFT 24 #define ID_DFR0_PERFMON_8_0 0x3 -- 2.25.1
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