| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Pratik Patel | 790 | 41.12% | 1 | 2.94% |
| Suzuki K. Poulose | 700 | 36.44% | 14 | 41.18% |
| Andrew Murray | 194 | 10.10% | 1 | 2.94% |
| Mathieu J. Poirier | 181 | 9.42% | 6 | 17.65% |
| Mike Leach | 22 | 1.15% | 6 | 17.65% |
| Qi Liu | 18 | 0.94% | 1 | 2.94% |
| Chunyan Zhang | 5 | 0.26% | 2 | 5.88% |
| Sudeep Holla | 5 | 0.26% | 1 | 2.94% |
| Li Pengcheng | 3 | 0.16% | 1 | 2.94% |
| Tingwei Zhang | 3 | 0.16% | 1 | 2.94% |
| Total | 1921 | 34 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved. */ #ifndef _CORESIGHT_CORESIGHT_ETM_H #define _CORESIGHT_CORESIGHT_ETM_H #include <asm/local.h> #include <linux/spinlock.h> #include <linux/types.h> #include "coresight-priv.h" /* * Device registers: * 0x000 - 0x2FC: Trace registers * 0x300 - 0x314: Management registers * 0x318 - 0xEFC: Trace registers * 0xF00: Management registers * 0xFA0 - 0xFA4: Trace registers * 0xFA8 - 0xFFC: Management registers */ /* Trace registers (0x000-0x2FC) */ /* Main control and configuration registers */ #define TRCPRGCTLR 0x004 #define TRCPROCSELR 0x008 #define TRCSTATR 0x00C #define TRCCONFIGR 0x010 #define TRCAUXCTLR 0x018 #define TRCEVENTCTL0R 0x020 #define TRCEVENTCTL1R 0x024 #define TRCRSR 0x028 #define TRCSTALLCTLR 0x02C #define TRCTSCTLR 0x030 #define TRCSYNCPR 0x034 #define TRCCCCTLR 0x038 #define TRCBBCTLR 0x03C #define TRCTRACEIDR 0x040 #define TRCQCTLR 0x044 /* Filtering control registers */ #define TRCVICTLR 0x080 #define TRCVIIECTLR 0x084 #define TRCVISSCTLR 0x088 #define TRCVIPCSSCTLR 0x08C #define TRCVDCTLR 0x0A0 #define TRCVDSACCTLR 0x0A4 #define TRCVDARCCTLR 0x0A8 /* Derived resources registers */ #define TRCSEQEVRn(n) (0x100 + (n * 4)) /* n = 0-2 */ #define TRCSEQRSTEVR 0x118 #define TRCSEQSTR 0x11C #define TRCEXTINSELR 0x120 #define TRCEXTINSELRn(n) (0x120 + (n * 4)) /* n = 0-3 */ #define TRCCNTRLDVRn(n) (0x140 + (n * 4)) /* n = 0-3 */ #define TRCCNTCTLRn(n) (0x150 + (n * 4)) /* n = 0-3 */ #define TRCCNTVRn(n) (0x160 + (n * 4)) /* n = 0-3 */ /* ID registers */ #define TRCIDR8 0x180 #define TRCIDR9 0x184 #define TRCIDR10 0x188 #define TRCIDR11 0x18C #define TRCIDR12 0x190 #define TRCIDR13 0x194 #define TRCIMSPEC0 0x1C0 #define TRCIMSPECn(n) (0x1C0 + (n * 4)) /* n = 1-7 */ #define TRCIDR0 0x1E0 #define TRCIDR1 0x1E4 #define TRCIDR2 0x1E8 #define TRCIDR3 0x1EC #define TRCIDR4 0x1F0 #define TRCIDR5 0x1F4 #define TRCIDR6 0x1F8 #define TRCIDR7 0x1FC /* * Resource selection registers, n = 2-31. * First pair (regs 0, 1) is always present and is reserved. */ #define TRCRSCTLRn(n) (0x200 + (n * 4)) /* Single-shot comparator registers, n = 0-7 */ #define TRCSSCCRn(n) (0x280 + (n * 4)) #define TRCSSCSRn(n) (0x2A0 + (n * 4)) #define TRCSSPCICRn(n) (0x2C0 + (n * 4)) /* Management registers (0x300-0x314) */ #define TRCOSLAR 0x300 #define TRCOSLSR 0x304 #define TRCPDCR 0x310 #define TRCPDSR 0x314 /* Trace registers (0x318-0xEFC) */ /* Address Comparator registers n = 0-15 */ #define TRCACVRn(n) (0x400 + (n * 8)) #define TRCACATRn(n) (0x480 + (n * 8)) /* Data Value Comparator Value registers, n = 0-7 */ #define TRCDVCVRn(n) (0x500 + (n * 16)) #define TRCDVCMRn(n) (0x580 + (n * 16)) /* ContextID/Virtual ContextID comparators, n = 0-7 */ #define TRCCIDCVRn(n) (0x600 + (n * 8)) #define TRCVMIDCVRn(n) (0x640 + (n * 8)) #define TRCCIDCCTLR0 0x680 #define TRCCIDCCTLR1 0x684 #define TRCVMIDCCTLR0 0x688 #define TRCVMIDCCTLR1 0x68C /* Management register (0xF00) */ /* Integration control registers */ #define TRCITCTRL 0xF00 /* Trace registers (0xFA0-0xFA4) */ /* Claim tag registers */ #define TRCCLAIMSET 0xFA0 #define TRCCLAIMCLR 0xFA4 /* Management registers (0xFA8-0xFFC) */ #define TRCDEVAFF0 0xFA8 #define TRCDEVAFF1 0xFAC #define TRCLAR 0xFB0 #define TRCLSR 0xFB4 #define TRCAUTHSTATUS 0xFB8 #define TRCDEVARCH 0xFBC #define TRCDEVID 0xFC8 #define TRCDEVTYPE 0xFCC #define TRCPIDR4 0xFD0 #define TRCPIDR5 0xFD4 #define TRCPIDR6 0xFD8 #define TRCPIDR7 0xFDC #define TRCPIDR0 0xFE0 #define TRCPIDR1 0xFE4 #define TRCPIDR2 0xFE8 #define TRCPIDR3 0xFEC #define TRCCIDR0 0xFF0 #define TRCCIDR1 0xFF4 #define TRCCIDR2 0xFF8 #define TRCCIDR3 0xFFC #define TRCRSR_TA BIT(12) /* * System instructions to access ETM registers. * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions */ #define ETM4x_OFFSET_TO_REG(x) ((x) >> 2) #define ETM4x_CRn(n) (((n) >> 7) & 0x7) #define ETM4x_Op2(n) (((n) >> 4) & 0x7) #define ETM4x_CRm(n) ((n) & 0xf) #include <asm/sysreg.h> #define ETM4x_REG_NUM_TO_SYSREG(n) \ sys_reg(2, 1, ETM4x_CRn(n), ETM4x_CRm(n), ETM4x_Op2(n)) #define READ_ETM4x_REG(reg) \ read_sysreg_s(ETM4x_REG_NUM_TO_SYSREG((reg))) #define WRITE_ETM4x_REG(val, reg) \ write_sysreg_s(val, ETM4x_REG_NUM_TO_SYSREG((reg))) #define read_etm4x_sysreg_const_offset(offset) \ READ_ETM4x_REG(ETM4x_OFFSET_TO_REG(offset)) #define write_etm4x_sysreg_const_offset(val, offset) \ WRITE_ETM4x_REG(val, ETM4x_OFFSET_TO_REG(offset)) #define CASE_READ(res, x) \ case (x): { (res) = read_etm4x_sysreg_const_offset((x)); break; } #define CASE_WRITE(val, x) \ case (x): { write_etm4x_sysreg_const_offset((val), (x)); break; } #define CASE_NOP(__unused, x) \ case (x): /* fall through */ #define ETE_ONLY_SYSREG_LIST(op, val) \ CASE_##op((val), TRCRSR) \ CASE_##op((val), TRCEXTINSELRn(1)) \ CASE_##op((val), TRCEXTINSELRn(2)) \ CASE_##op((val), TRCEXTINSELRn(3)) /* List of registers accessible via System instructions */ #define ETM4x_ONLY_SYSREG_LIST(op, val) \ CASE_##op((val), TRCPROCSELR) \ CASE_##op((val), TRCVDCTLR) \ CASE_##op((val), TRCVDSACCTLR) \ CASE_##op((val), TRCVDARCCTLR) \ CASE_##op((val), TRCOSLAR) #define ETM_COMMON_SYSREG_LIST(op, val) \ CASE_##op((val), TRCPRGCTLR) \ CASE_##op((val), TRCSTATR) \ CASE_##op((val), TRCCONFIGR) \ CASE_##op((val), TRCAUXCTLR) \ CASE_##op((val), TRCEVENTCTL0R) \ CASE_##op((val), TRCEVENTCTL1R) \ CASE_##op((val), TRCSTALLCTLR) \ CASE_##op((val), TRCTSCTLR) \ CASE_##op((val), TRCSYNCPR) \ CASE_##op((val), TRCCCCTLR) \ CASE_##op((val), TRCBBCTLR) \ CASE_##op((val), TRCTRACEIDR) \ CASE_##op((val), TRCQCTLR) \ CASE_##op((val), TRCVICTLR) \ CASE_##op((val), TRCVIIECTLR) \ CASE_##op((val), TRCVISSCTLR) \ CASE_##op((val), TRCVIPCSSCTLR) \ CASE_##op((val), TRCSEQEVRn(0)) \ CASE_##op((val), TRCSEQEVRn(1)) \ CASE_##op((val), TRCSEQEVRn(2)) \ CASE_##op((val), TRCSEQRSTEVR) \ CASE_##op((val), TRCSEQSTR) \ CASE_##op((val), TRCEXTINSELR) \ CASE_##op((val), TRCCNTRLDVRn(0)) \ CASE_##op((val), TRCCNTRLDVRn(1)) \ CASE_##op((val), TRCCNTRLDVRn(2)) \ CASE_##op((val), TRCCNTRLDVRn(3)) \ CASE_##op((val), TRCCNTCTLRn(0)) \ CASE_##op((val), TRCCNTCTLRn(1)) \ CASE_##op((val), TRCCNTCTLRn(2)) \ CASE_##op((val), TRCCNTCTLRn(3)) \ CASE_##op((val), TRCCNTVRn(0)) \ CASE_##op((val), TRCCNTVRn(1)) \ CASE_##op((val), TRCCNTVRn(2)) \ CASE_##op((val), TRCCNTVRn(3)) \ CASE_##op((val), TRCIDR8) \ CASE_##op((val), TRCIDR9) \ CASE_##op((val), TRCIDR10) \ CASE_##op((val), TRCIDR11) \ CASE_##op((val), TRCIDR12) \ CASE_##op((val), TRCIDR13) \ CASE_##op((val), TRCIMSPECn(0)) \ CASE_##op((val), TRCIMSPECn(1)) \ CASE_##op((val), TRCIMSPECn(2)) \ CASE_##op((val), TRCIMSPECn(3)) \ CASE_##op((val), TRCIMSPECn(4)) \ CASE_##op((val), TRCIMSPECn(5)) \ CASE_##op((val), TRCIMSPECn(6)) \ CASE_##op((val), TRCIMSPECn(7)) \ CASE_##op((val), TRCIDR0) \ CASE_##op((val), TRCIDR1) \ CASE_##op((val), TRCIDR2) \ CASE_##op((val), TRCIDR3) \ CASE_##op((val), TRCIDR4) \ CASE_##op((val), TRCIDR5) \ CASE_##op((val), TRCIDR6) \ CASE_##op((val), TRCIDR7) \ CASE_##op((val), TRCRSCTLRn(2)) \ CASE_##op((val), TRCRSCTLRn(3)) \ CASE_##op((val), TRCRSCTLRn(4)) \ CASE_##op((val), TRCRSCTLRn(5)) \ CASE_##op((val), TRCRSCTLRn(6)) \ CASE_##op((val), TRCRSCTLRn(7)) \ CASE_##op((val), TRCRSCTLRn(8)) \ CASE_##op((val), TRCRSCTLRn(9)) \ CASE_##op((val), TRCRSCTLRn(10)) \ CASE_##op((val), TRCRSCTLRn(11)) \ CASE_##op((val), TRCRSCTLRn(12)) \ CASE_##op((val), TRCRSCTLRn(13)) \ CASE_##op((val), TRCRSCTLRn(14)) \ CASE_##op((val), TRCRSCTLRn(15)) \ CASE_##op((val), TRCRSCTLRn(16)) \ CASE_##op((val), TRCRSCTLRn(17)) \ CASE_##op((val), TRCRSCTLRn(18)) \ CASE_##op((val), TRCRSCTLRn(19)) \ CASE_##op((val), TRCRSCTLRn(20)) \ CASE_##op((val), TRCRSCTLRn(21)) \ CASE_##op((val), TRCRSCTLRn(22)) \ CASE_##op((val), TRCRSCTLRn(23)) \ CASE_##op((val), TRCRSCTLRn(24)) \ CASE_##op((val), TRCRSCTLRn(25)) \ CASE_##op((val), TRCRSCTLRn(26)) \ CASE_##op((val), TRCRSCTLRn(27)) \ CASE_##op((val), TRCRSCTLRn(28)) \ CASE_##op((val), TRCRSCTLRn(29)) \ CASE_##op((val), TRCRSCTLRn(30)) \ CASE_##op((val), TRCRSCTLRn(31)) \ CASE_##op((val), TRCSSCCRn(0)) \ CASE_##op((val), TRCSSCCRn(1)) \ CASE_##op((val), TRCSSCCRn(2)) \ CASE_##op((val), TRCSSCCRn(3)) \ CASE_##op((val), TRCSSCCRn(4)) \ CASE_##op((val), TRCSSCCRn(5)) \ CASE_##op((val), TRCSSCCRn(6)) \ CASE_##op((val), TRCSSCCRn(7)) \ CASE_##op((val), TRCSSCSRn(0)) \ CASE_##op((val), TRCSSCSRn(1)) \ CASE_##op((val), TRCSSCSRn(2)) \ CASE_##op((val), TRCSSCSRn(3)) \ CASE_##op((val), TRCSSCSRn(4)) \ CASE_##op((val), TRCSSCSRn(5)) \ CASE_##op((val), TRCSSCSRn(6)) \ CASE_##op((val), TRCSSCSRn(7)) \ CASE_##op((val), TRCSSPCICRn(0)) \ CASE_##op((val), TRCSSPCICRn(1)) \ CASE_##op((val), TRCSSPCICRn(2)) \ CASE_##op((val), TRCSSPCICRn(3)) \ CASE_##op((val), TRCSSPCICRn(4)) \ CASE_##op((val), TRCSSPCICRn(5)) \ CASE_##op((val), TRCSSPCICRn(6)) \ CASE_##op((val), TRCSSPCICRn(7)) \ CASE_##op((val), TRCOSLSR) \ CASE_##op((val), TRCACVRn(0)) \ CASE_##op((val), TRCACVRn(1)) \ CASE_##op((val), TRCACVRn(2)) \ CASE_##op((val), TRCACVRn(3)) \ CASE_##op((val), TRCACVRn(4)) \ CASE_##op((val), TRCACVRn(5)) \ CASE_##op((val), TRCACVRn(6)) \ CASE_##op((val), TRCACVRn(7)) \ CASE_##op((val), TRCACVRn(8)) \ CASE_##op((val), TRCACVRn(9)) \ CASE_##op((val), TRCACVRn(10)) \ CASE_##op((val), TRCACVRn(11)) \ CASE_##op((val), TRCACVRn(12)) \ CASE_##op((val), TRCACVRn(13)) \ CASE_##op((val), TRCACVRn(14)) \ CASE_##op((val), TRCACVRn(15)) \ CASE_##op((val), TRCACATRn(0)) \ CASE_##op((val), TRCACATRn(1)) \ CASE_##op((val), TRCACATRn(2)) \ CASE_##op((val), TRCACATRn(3)) \ CASE_##op((val), TRCACATRn(4)) \ CASE_##op((val), TRCACATRn(5)) \ CASE_##op((val), TRCACATRn(6)) \ CASE_##op((val), TRCACATRn(7)) \ CASE_##op((val), TRCACATRn(8)) \ CASE_##op((val), TRCACATRn(9)) \ CASE_##op((val), TRCACATRn(10)) \ CASE_##op((val), TRCACATRn(11)) \ CASE_##op((val), TRCACATRn(12)) \ CASE_##op((val), TRCACATRn(13)) \ CASE_##op((val), TRCACATRn(14)) \ CASE_##op((val), TRCACATRn(15)) \ CASE_##op((val), TRCDVCVRn(0)) \ CASE_##op((val), TRCDVCVRn(1)) \ CASE_##op((val), TRCDVCVRn(2)) \ CASE_##op((val), TRCDVCVRn(3)) \ CASE_##op((val), TRCDVCVRn(4)) \ CASE_##op((val), TRCDVCVRn(5)) \ CASE_##op((val), TRCDVCVRn(6)) \ CASE_##op((val), TRCDVCVRn(7)) \ CASE_##op((val), TRCDVCMRn(0)) \ CASE_##op((val), TRCDVCMRn(1)) \ CASE_##op((val), TRCDVCMRn(2)) \ CASE_##op((val), TRCDVCMRn(3)) \ CASE_##op((val), TRCDVCMRn(4)) \ CASE_##op((val), TRCDVCMRn(5)) \ CASE_##op((val), TRCDVCMRn(6)) \ CASE_##op((val), TRCDVCMRn(7)) \ CASE_##op((val), TRCCIDCVRn(0)) \ CASE_##op((val), TRCCIDCVRn(1)) \ CASE_##op((val), TRCCIDCVRn(2)) \ CASE_##op((val), TRCCIDCVRn(3)) \ CASE_##op((val), TRCCIDCVRn(4)) \ CASE_##op((val), TRCCIDCVRn(5)) \ CASE_##op((val), TRCCIDCVRn(6)) \ CASE_##op((val), TRCCIDCVRn(7)) \ CASE_##op((val), TRCVMIDCVRn(0)) \ CASE_##op((val), TRCVMIDCVRn(1)) \ CASE_##op((val), TRCVMIDCVRn(2)) \ CASE_##op((val), TRCVMIDCVRn(3)) \ CASE_##op((val), TRCVMIDCVRn(4)) \ CASE_##op((val), TRCVMIDCVRn(5)) \ CASE_##op((val), TRCVMIDCVRn(6)) \ CASE_##op((val), TRCVMIDCVRn(7)) \ CASE_##op((val), TRCCIDCCTLR0) \ CASE_##op((val), TRCCIDCCTLR1) \ CASE_##op((val), TRCVMIDCCTLR0) \ CASE_##op((val), TRCVMIDCCTLR1) \ CASE_##op((val), TRCCLAIMSET) \ CASE_##op((val), TRCCLAIMCLR) \ CASE_##op((val), TRCAUTHSTATUS) \ CASE_##op((val), TRCDEVARCH) \ CASE_##op((val), TRCDEVID) /* List of registers only accessible via memory-mapped interface */ #define ETM_MMAP_LIST(op, val) \ CASE_##op((val), TRCDEVTYPE) \ CASE_##op((val), TRCPDCR) \ CASE_##op((val), TRCPDSR) \ CASE_##op((val), TRCDEVAFF0) \ CASE_##op((val), TRCDEVAFF1) \ CASE_##op((val), TRCLAR) \ CASE_##op((val), TRCLSR) \ CASE_##op((val), TRCITCTRL) \ CASE_##op((val), TRCPIDR4) \ CASE_##op((val), TRCPIDR0) \ CASE_##op((val), TRCPIDR1) \ CASE_##op((val), TRCPIDR2) \ CASE_##op((val), TRCPIDR3) #define ETM4x_READ_SYSREG_CASES(res) \ ETM_COMMON_SYSREG_LIST(READ, (res)) \ ETM4x_ONLY_SYSREG_LIST(READ, (res)) #define ETM4x_WRITE_SYSREG_CASES(val) \ ETM_COMMON_SYSREG_LIST(WRITE, (val)) \ ETM4x_ONLY_SYSREG_LIST(WRITE, (val)) #define ETM_COMMON_SYSREG_LIST_CASES \ ETM_COMMON_SYSREG_LIST(NOP, __unused) #define ETM4x_ONLY_SYSREG_LIST_CASES \ ETM4x_ONLY_SYSREG_LIST(NOP, __unused) #define ETM4x_SYSREG_LIST_CASES \ ETM_COMMON_SYSREG_LIST_CASES \ ETM4x_ONLY_SYSREG_LIST(NOP, __unused) #define ETM4x_MMAP_LIST_CASES ETM_MMAP_LIST(NOP, __unused) /* ETE only supports system register access */ #define ETE_READ_CASES(res) \ ETM_COMMON_SYSREG_LIST(READ, (res)) \ ETE_ONLY_SYSREG_LIST(READ, (res)) #define ETE_WRITE_CASES(val) \ ETM_COMMON_SYSREG_LIST(WRITE, (val)) \ ETE_ONLY_SYSREG_LIST(WRITE, (val)) #define ETE_ONLY_SYSREG_LIST_CASES \ ETE_ONLY_SYSREG_LIST(NOP, __unused) #define read_etm4x_sysreg_offset(offset, _64bit) \ ({ \ u64 __val; \ \ if (__builtin_constant_p((offset))) \ __val = read_etm4x_sysreg_const_offset((offset)); \ else \ __val = etm4x_sysreg_read((offset), true, (_64bit)); \ __val; \ }) #define write_etm4x_sysreg_offset(val, offset, _64bit) \ do { \ if (__builtin_constant_p((offset))) \ write_etm4x_sysreg_const_offset((val), \ (offset)); \ else \ etm4x_sysreg_write((val), (offset), true, \ (_64bit)); \ } while (0) #define etm4x_relaxed_read32(csa, offset) \ ((u32)((csa)->io_mem ? \ readl_relaxed((csa)->base + (offset)) : \ read_etm4x_sysreg_offset((offset), false))) #define etm4x_relaxed_read64(csa, offset) \ ((u64)((csa)->io_mem ? \ readq_relaxed((csa)->base + (offset)) : \ read_etm4x_sysreg_offset((offset), true))) #define etm4x_read32(csa, offset) \ ({ \ u32 __val = etm4x_relaxed_read32((csa), (offset)); \ __iormb(__val); \ __val; \ }) #define etm4x_read64(csa, offset) \ ({ \ u64 __val = etm4x_relaxed_read64((csa), (offset)); \ __iormb(__val); \ __val; \ }) #define etm4x_relaxed_write32(csa, val, offset) \ do { \ if ((csa)->io_mem) \ writel_relaxed((val), (csa)->base + (offset)); \ else \ write_etm4x_sysreg_offset((val), (offset), \ false); \ } while (0) #define etm4x_relaxed_write64(csa, val, offset) \ do { \ if ((csa)->io_mem) \ writeq_relaxed((val), (csa)->base + (offset)); \ else \ write_etm4x_sysreg_offset((val), (offset), \ true); \ } while (0) #define etm4x_write32(csa, val, offset) \ do { \ __iowmb(); \ etm4x_relaxed_write32((csa), (val), (offset)); \ } while (0) #define etm4x_write64(csa, val, offset) \ do { \ __iowmb(); \ etm4x_relaxed_write64((csa), (val), (offset)); \ } while (0) /* ETMv4 resources */ #define ETM_MAX_NR_PE 8 #define ETMv4_MAX_CNTR 4 #define ETM_MAX_SEQ_STATES 4 #define ETM_MAX_EXT_INP_SEL 4 #define ETM_MAX_EXT_INP 256 #define ETM_MAX_EXT_OUT 4 #define ETM_MAX_SINGLE_ADDR_CMP 16 #define ETM_MAX_ADDR_RANGE_CMP (ETM_MAX_SINGLE_ADDR_CMP / 2) #define ETM_MAX_DATA_VAL_CMP 8 #define ETMv4_MAX_CTXID_CMP 8 #define ETM_MAX_VMID_CMP 8 #define ETM_MAX_PE_CMP 8 #define ETM_MAX_RES_SEL 32 #define ETM_MAX_SS_CMP 8 #define ETMv4_SYNC_MASK 0x1F #define ETM_CYC_THRESHOLD_MASK 0xFFF #define ETM_CYC_THRESHOLD_DEFAULT 0x100 #define ETMv4_EVENT_MASK 0xFF #define ETM_CNTR_MAX_VAL 0xFFFF #define ETM_TRACEID_MASK 0x3f /* ETMv4 programming modes */ #define ETM_MODE_EXCLUDE BIT(0) #define ETM_MODE_LOAD BIT(1) #define ETM_MODE_STORE BIT(2) #define ETM_MODE_LOAD_STORE BIT(3) #define ETM_MODE_BB BIT(4) #define ETMv4_MODE_CYCACC BIT(5) #define ETMv4_MODE_CTXID BIT(6) #define ETM_MODE_VMID BIT(7) #define ETM_MODE_COND(val) BMVAL(val, 8, 10) #define ETMv4_MODE_TIMESTAMP BIT(11) #define ETM_MODE_RETURNSTACK BIT(12) #define ETM_MODE_QELEM(val) BMVAL(val, 13, 14) #define ETM_MODE_DATA_TRACE_ADDR BIT(15) #define ETM_MODE_DATA_TRACE_VAL BIT(16) #define ETM_MODE_ISTALL BIT(17) #define ETM_MODE_DSTALL BIT(18) #define ETM_MODE_ATB_TRIGGER BIT(19) #define ETM_MODE_LPOVERRIDE BIT(20) #define ETM_MODE_ISTALL_EN BIT(21) #define ETM_MODE_DSTALL_EN BIT(22) #define ETM_MODE_INSTPRIO BIT(23) #define ETM_MODE_NOOVERFLOW BIT(24) #define ETM_MODE_TRACE_RESET BIT(25) #define ETM_MODE_TRACE_ERR BIT(26) #define ETM_MODE_VIEWINST_STARTSTOP BIT(27) #define ETMv4_MODE_ALL (GENMASK(27, 0) | \ ETM_MODE_EXCL_KERN | \ ETM_MODE_EXCL_USER) /* * TRCOSLSR.OSLM advertises the OS Lock model. * OSLM[2:0] = TRCOSLSR[4:3,0] * * 0b000 - Trace OS Lock is not implemented. * 0b010 - Trace OS Lock is implemented. * 0b100 - Trace OS Lock is not implemented, unit is controlled by PE OS Lock. */ #define ETM_OSLOCK_NI 0b000 #define ETM_OSLOCK_PRESENT 0b010 #define ETM_OSLOCK_PE 0b100 #define ETM_OSLSR_OSLM(oslsr) ((((oslsr) & GENMASK(4, 3)) >> 2) | (oslsr & 0x1)) /* * TRCDEVARCH Bit field definitions * Bits[31:21] - ARCHITECT = Always Arm Ltd. * * Bits[31:28] = 0x4 * * Bits[27:21] = 0b0111011 * Bit[20] - PRESENT, Indicates the presence of this register. * * Bit[19:16] - REVISION, Revision of the architecture. * * Bit[15:0] - ARCHID, Identifies this component as an ETM * * Bits[15:12] - architecture version of ETM * * = 4 for ETMv4 * * Bits[11:0] = 0xA13, architecture part number for ETM. */ #define ETM_DEVARCH_ARCHITECT_MASK GENMASK(31, 21) #define ETM_DEVARCH_ARCHITECT_ARM ((0x4 << 28) | (0b0111011 << 21)) #define ETM_DEVARCH_PRESENT BIT(20) #define ETM_DEVARCH_REVISION_SHIFT 16 #define ETM_DEVARCH_REVISION_MASK GENMASK(19, 16) #define ETM_DEVARCH_REVISION(x) \ (((x) & ETM_DEVARCH_REVISION_MASK) >> ETM_DEVARCH_REVISION_SHIFT) #define ETM_DEVARCH_ARCHID_MASK GENMASK(15, 0) #define ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT 12 #define ETM_DEVARCH_ARCHID_ARCH_VER_MASK GENMASK(15, 12) #define ETM_DEVARCH_ARCHID_ARCH_VER(x) \ (((x) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK) >> ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT) #define ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(ver) \ (((ver) << ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK) #define ETM_DEVARCH_ARCHID_ARCH_PART(x) ((x) & 0xfffUL) #define ETM_DEVARCH_MAKE_ARCHID(major) \ ((ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(major)) | ETM_DEVARCH_ARCHID_ARCH_PART(0xA13)) #define ETM_DEVARCH_ARCHID_ETMv4x ETM_DEVARCH_MAKE_ARCHID(0x4) #define ETM_DEVARCH_ARCHID_ETE ETM_DEVARCH_MAKE_ARCHID(0x5) #define ETM_DEVARCH_ID_MASK \ (ETM_DEVARCH_ARCHITECT_MASK | ETM_DEVARCH_ARCHID_MASK | ETM_DEVARCH_PRESENT) #define ETM_DEVARCH_ETMv4x_ARCH \ (ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETMv4x | ETM_DEVARCH_PRESENT) #define ETM_DEVARCH_ETE_ARCH \ (ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETE | ETM_DEVARCH_PRESENT) #define TRCSTATR_IDLE_BIT 0 #define TRCSTATR_PMSTABLE_BIT 1 #define ETM_DEFAULT_ADDR_COMP 0 #define TRCSSCSRn_PC BIT(3) /* PowerDown Control Register bits */ #define TRCPDCR_PU BIT(3) #define TRCACATR_EXLEVEL_SHIFT 8 /* * Exception level mask for Secure and Non-Secure ELs. * ETM defines the bits for EL control (e.g, TRVICTLR, TRCACTRn). * The Secure and Non-Secure ELs are always to gether. * Non-secure EL3 is never implemented. * We use the following generic mask as they appear in different * registers and this can be shifted for the appropriate * fields. */ #define ETM_EXLEVEL_S_APP BIT(0) /* Secure EL0 */ #define ETM_EXLEVEL_S_OS BIT(1) /* Secure EL1 */ #define ETM_EXLEVEL_S_HYP BIT(2) /* Secure EL2 */ #define ETM_EXLEVEL_S_MON BIT(3) /* Secure EL3/Monitor */ #define ETM_EXLEVEL_NS_APP BIT(4) /* NonSecure EL0 */ #define ETM_EXLEVEL_NS_OS BIT(5) /* NonSecure EL1 */ #define ETM_EXLEVEL_NS_HYP BIT(6) /* NonSecure EL2 */ #define ETM_EXLEVEL_MASK (GENMASK(6, 0)) #define ETM_EXLEVEL_S_MASK (GENMASK(3, 0)) #define ETM_EXLEVEL_NS_MASK (GENMASK(6, 4)) /* access level controls in TRCACATRn */ #define TRCACATR_EXLEVEL_SHIFT 8 /* access level control in TRCVICTLR */ #define TRCVICTLR_EXLEVEL_SHIFT 16 #define TRCVICTLR_EXLEVEL_S_SHIFT 16 #define TRCVICTLR_EXLEVEL_NS_SHIFT 20 /* secure / non secure masks - TRCVICTLR, IDR3 */ #define TRCVICTLR_EXLEVEL_MASK (ETM_EXLEVEL_MASK << TRCVICTLR_EXLEVEL_SHIFT) #define TRCVICTLR_EXLEVEL_S_MASK (ETM_EXLEVEL_S_MASK << TRCVICTLR_EXLEVEL_SHIFT) #define TRCVICTLR_EXLEVEL_NS_MASK (ETM_EXLEVEL_NS_MASK << TRCVICTLR_EXLEVEL_SHIFT) #define ETM_TRCIDR1_ARCH_MAJOR_SHIFT 8 #define ETM_TRCIDR1_ARCH_MAJOR_MASK (0xfU << ETM_TRCIDR1_ARCH_MAJOR_SHIFT) #define ETM_TRCIDR1_ARCH_MAJOR(x) \ (((x) & ETM_TRCIDR1_ARCH_MAJOR_MASK) >> ETM_TRCIDR1_ARCH_MAJOR_SHIFT) #define ETM_TRCIDR1_ARCH_MINOR_SHIFT 4 #define ETM_TRCIDR1_ARCH_MINOR_MASK (0xfU << ETM_TRCIDR1_ARCH_MINOR_SHIFT) #define ETM_TRCIDR1_ARCH_MINOR(x) \ (((x) & ETM_TRCIDR1_ARCH_MINOR_MASK) >> ETM_TRCIDR1_ARCH_MINOR_SHIFT) #define ETM_TRCIDR1_ARCH_SHIFT ETM_TRCIDR1_ARCH_MINOR_SHIFT #define ETM_TRCIDR1_ARCH_MASK \ (ETM_TRCIDR1_ARCH_MAJOR_MASK | ETM_TRCIDR1_ARCH_MINOR_MASK) #define ETM_TRCIDR1_ARCH_ETMv4 0x4 /* * Driver representation of the ETM architecture. * The version of an ETM component can be detected from * * TRCDEVARCH - CoreSight architected register * - Bits[15:12] - Major version * - Bits[19:16] - Minor version * TRCIDR1 - ETM architected register * - Bits[11:8] - Major version * - Bits[7:4] - Minor version * We must rely on TRCDEVARCH for the version information, * however we don't want to break the support for potential * old implementations which might not implement it. Thus * we fall back to TRCIDR1 if TRCDEVARCH is not implemented * for memory mapped components. * Now to make certain decisions easier based on the version * we use an internal representation of the version in the * driver, as follows : * * ETM_ARCH_VERSION[7:0], where : * Bits[7:4] - Major version * Bits[3:0] - Minro version */ #define ETM_ARCH_VERSION(major, minor) \ ((((major) & 0xfU) << 4) | (((minor) & 0xfU))) #define ETM_ARCH_MAJOR_VERSION(arch) (((arch) >> 4) & 0xfU) #define ETM_ARCH_MINOR_VERSION(arch) ((arch) & 0xfU) #define ETM_ARCH_V4 ETM_ARCH_VERSION(4, 0) #define ETM_ARCH_ETE ETM_ARCH_VERSION(5, 0) /* Interpretation of resource numbers change at ETM v4.3 architecture */ #define ETM_ARCH_V4_3 ETM_ARCH_VERSION(4, 3) static inline u8 etm_devarch_to_arch(u32 devarch) { return ETM_ARCH_VERSION(ETM_DEVARCH_ARCHID_ARCH_VER(devarch), ETM_DEVARCH_REVISION(devarch)); } static inline u8 etm_trcidr_to_arch(u32 trcidr1) { return ETM_ARCH_VERSION(ETM_TRCIDR1_ARCH_MAJOR(trcidr1), ETM_TRCIDR1_ARCH_MINOR(trcidr1)); } enum etm_impdef_type { ETM4_IMPDEF_HISI_CORE_COMMIT, ETM4_IMPDEF_FEATURE_MAX, }; /** * struct etmv4_config - configuration information related to an ETMv4 * @mode: Controls various modes supported by this ETM. * @pe_sel: Controls which PE to trace. * @cfg: Controls the tracing options. * @eventctrl0: Controls the tracing of arbitrary events. * @eventctrl1: Controls the behavior of the events that @event_ctrl0 selects. * @stallctl: If functionality that prevents trace unit buffer overflows * is available. * @ts_ctrl: Controls the insertion of global timestamps in the * trace streams. * @syncfreq: Controls how often trace synchronization requests occur. * the TRCCCCTLR register. * @ccctlr: Sets the threshold value for cycle counting. * @vinst_ctrl: Controls instruction trace filtering. * @viiectlr: Set or read, the address range comparators. * @vissctlr: Set, or read, the single address comparators that control the * ViewInst start-stop logic. * @vipcssctlr: Set, or read, which PE comparator inputs can control the * ViewInst start-stop logic. * @seq_idx: Sequencor index selector. * @seq_ctrl: Control for the sequencer state transition control register. * @seq_rst: Moves the sequencer to state 0 when a programmed event occurs. * @seq_state: Set, or read the sequencer state. * @cntr_idx: Counter index seletor. * @cntrldvr: Sets or returns the reload count value for a counter. * @cntr_ctrl: Controls the operation of a counter. * @cntr_val: Sets or returns the value for a counter. * @res_idx: Resource index selector. * @res_ctrl: Controls the selection of the resources in the trace unit. * @ss_idx: Single-shot index selector. * @ss_ctrl: Controls the corresponding single-shot comparator resource. * @ss_status: The status of the corresponding single-shot comparator. * @ss_pe_cmp: Selects the PE comparator inputs for Single-shot control. * @addr_idx: Address comparator index selector. * @addr_val: Value for address comparator. * @addr_acc: Address comparator access type. * @addr_type: Current status of the comparator register. * @ctxid_idx: Context ID index selector. * @ctxid_pid: Value of the context ID comparator. * @ctxid_mask0:Context ID comparator mask for comparator 0-3. * @ctxid_mask1:Context ID comparator mask for comparator 4-7. * @vmid_idx: VM ID index selector. * @vmid_val: Value of the VM ID comparator. * @vmid_mask0: VM ID comparator mask for comparator 0-3. * @vmid_mask1: VM ID comparator mask for comparator 4-7. * @ext_inp: External input selection. * @s_ex_level: Secure ELs where tracing is supported. */ struct etmv4_config { u32 mode; u32 pe_sel; u32 cfg; u32 eventctrl0; u32 eventctrl1; u32 stall_ctrl; u32 ts_ctrl; u32 syncfreq; u32 ccctlr; u32 bb_ctrl; u32 vinst_ctrl; u32 viiectlr; u32 vissctlr; u32 vipcssctlr; u8 seq_idx; u32 seq_ctrl[ETM_MAX_SEQ_STATES]; u32 seq_rst; u32 seq_state; u8 cntr_idx; u32 cntrldvr[ETMv4_MAX_CNTR]; u32 cntr_ctrl[ETMv4_MAX_CNTR]; u32 cntr_val[ETMv4_MAX_CNTR]; u8 res_idx; u32 res_ctrl[ETM_MAX_RES_SEL]; u8 ss_idx; u32 ss_ctrl[ETM_MAX_SS_CMP]; u32 ss_status[ETM_MAX_SS_CMP]; u32 ss_pe_cmp[ETM_MAX_SS_CMP]; u8 addr_idx; u64 addr_val[ETM_MAX_SINGLE_ADDR_CMP]; u64 addr_acc[ETM_MAX_SINGLE_ADDR_CMP]; u8 addr_type[ETM_MAX_SINGLE_ADDR_CMP]; u8 ctxid_idx; u64 ctxid_pid[ETMv4_MAX_CTXID_CMP]; u32 ctxid_mask0; u32 ctxid_mask1; u8 vmid_idx; u64 vmid_val[ETM_MAX_VMID_CMP]; u32 vmid_mask0; u32 vmid_mask1; u32 ext_inp; u8 s_ex_level; }; /** * struct etm4_save_state - state to be preserved when ETM is without power */ struct etmv4_save_state { u32 trcprgctlr; u32 trcprocselr; u32 trcconfigr; u32 trcauxctlr; u32 trceventctl0r; u32 trceventctl1r; u32 trcstallctlr; u32 trctsctlr; u32 trcsyncpr; u32 trcccctlr; u32 trcbbctlr; u32 trctraceidr; u32 trcqctlr; u32 trcvictlr; u32 trcviiectlr; u32 trcvissctlr; u32 trcvipcssctlr; u32 trcvdctlr; u32 trcvdsacctlr; u32 trcvdarcctlr; u32 trcseqevr[ETM_MAX_SEQ_STATES]; u32 trcseqrstevr; u32 trcseqstr; u32 trcextinselr; u32 trccntrldvr[ETMv4_MAX_CNTR]; u32 trccntctlr[ETMv4_MAX_CNTR]; u32 trccntvr[ETMv4_MAX_CNTR]; u32 trcrsctlr[ETM_MAX_RES_SEL]; u32 trcssccr[ETM_MAX_SS_CMP]; u32 trcsscsr[ETM_MAX_SS_CMP]; u32 trcsspcicr[ETM_MAX_SS_CMP]; u64 trcacvr[ETM_MAX_SINGLE_ADDR_CMP]; u64 trcacatr[ETM_MAX_SINGLE_ADDR_CMP]; u64 trccidcvr[ETMv4_MAX_CTXID_CMP]; u64 trcvmidcvr[ETM_MAX_VMID_CMP]; u32 trccidcctlr0; u32 trccidcctlr1; u32 trcvmidcctlr0; u32 trcvmidcctlr1; u32 trcclaimset; u32 cntr_val[ETMv4_MAX_CNTR]; u32 seq_state; u32 vinst_ctrl; u32 ss_status[ETM_MAX_SS_CMP]; u32 trcpdcr; }; /** * struct etm4_drvdata - specifics associated to an ETM component * @base: Memory mapped base address for this component. * @csdev: Component vitals needed by the framework. * @spinlock: Only one at a time pls. * @mode: This tracer's mode, i.e sysFS, Perf or disabled. * @cpu: The cpu this component is affined to. * @arch: ETM architecture version. * @nr_pe: The number of processing entity available for tracing. * @nr_pe_cmp: The number of processing entity comparator inputs that are * available for tracing. * @nr_addr_cmp:Number of pairs of address comparators available * as found in ETMIDR4 0-3. * @nr_cntr: Number of counters as found in ETMIDR5 bit 28-30. * @nr_ext_inp: Number of external input. * @numcidc: Number of contextID comparators. * @numvmidc: Number of VMID comparators. * @nrseqstate: The number of sequencer states that are implemented. * @nr_event: Indicates how many events the trace unit support. * @nr_resource:The number of resource selection pairs available for tracing. * @nr_ss_cmp: Number of single-shot comparator controls that are available. * @trcid: value of the current ID for this component. * @trcid_size: Indicates the trace ID width. * @ts_size: Global timestamp size field. * @ctxid_size: Size of the context ID field to consider. * @vmid_size: Size of the VM ID comparator to consider. * @ccsize: Indicates the size of the cycle counter in bits. * @ccitmin: minimum value that can be programmed in * @s_ex_level: In secure state, indicates whether instruction tracing is * supported for the corresponding Exception level. * @ns_ex_level:In non-secure state, indicates whether instruction tracing is * supported for the corresponding Exception level. * @sticky_enable: true if ETM base configuration has been done. * @boot_enable:True if we should start tracing at boot time. * @os_unlock: True if access to management registers is allowed. * @instrp0: Tracing of load and store instructions * as P0 elements is supported. * @trcbb: Indicates if the trace unit supports branch broadcast tracing. * @trccond: If the trace unit supports conditional * instruction tracing. * @retstack: Indicates if the implementation supports a return stack. * @trccci: Indicates if the trace unit supports cycle counting * for instruction. * @q_support: Q element support characteristics. * @trc_error: Whether a trace unit can trace a system * error exception. * @syncpr: Indicates if an implementation has a fixed * synchronization period. * @stall_ctrl: Enables trace unit functionality that prevents trace * unit buffer overflows. * @sysstall: Does the system support stall control of the PE? * @nooverflow: Indicate if overflow prevention is supported. * @atbtrig: If the implementation can support ATB triggers * @lpoverride: If the implementation can support low-power state over. * @trfc: If the implementation supports Arm v8.4 trace filter controls. * @config: structure holding configuration parameters. * @save_state: State to be preserved across power loss * @state_needs_restore: True when there is context to restore after PM exit * @skip_power_up: Indicates if an implementation can skip powering up * the trace unit. * @arch_features: Bitmap of arch features of etmv4 devices. */ struct etmv4_drvdata { void __iomem *base; struct coresight_device *csdev; spinlock_t spinlock; local_t mode; int cpu; u8 arch; u8 nr_pe; u8 nr_pe_cmp; u8 nr_addr_cmp; u8 nr_cntr; u8 nr_ext_inp; u8 numcidc; u8 numvmidc; u8 nrseqstate; u8 nr_event; u8 nr_resource; u8 nr_ss_cmp; u8 trcid; u8 trcid_size; u8 ts_size; u8 ctxid_size; u8 vmid_size; u8 ccsize; u8 ccitmin; u8 s_ex_level; u8 ns_ex_level; u8 q_support; u8 os_lock_model; bool sticky_enable; bool boot_enable; bool os_unlock; bool instrp0; bool trcbb; bool trccond; bool retstack; bool trccci; bool trc_error; bool syncpr; bool stallctl; bool sysstall; bool nooverflow; bool atbtrig; bool lpoverride; bool trfc; struct etmv4_config config; struct etmv4_save_state *save_state; bool state_needs_restore; bool skip_power_up; DECLARE_BITMAP(arch_features, ETM4_IMPDEF_FEATURE_MAX); }; /* Address comparator access types */ enum etm_addr_acctype { ETM_INSTR_ADDR, ETM_DATA_LOAD_ADDR, ETM_DATA_STORE_ADDR, ETM_DATA_LOAD_STORE_ADDR, }; /* Address comparator context types */ enum etm_addr_ctxtype { ETM_CTX_NONE, ETM_CTX_CTXID, ETM_CTX_VMID, ETM_CTX_CTXID_VMID, }; extern const struct attribute_group *coresight_etmv4_groups[]; void etm4_config_trace_mode(struct etmv4_config *config); u64 etm4x_sysreg_read(u32 offset, bool _relaxed, bool _64bit); void etm4x_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit); static inline bool etm4x_is_ete(struct etmv4_drvdata *drvdata) { return drvdata->arch >= ETM_ARCH_ETE; } #endif
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