Thread (70 messages) 70 messages, 4 authors, 2023-08-15

Re: [PATCH v3 06/27] arm64: Add debug registers affected by HDFGxTR_EL2

From: Jing Zhang <hidden>
Date: 2023-08-11 03:01:08
Also in: kvm, kvmarm

Hi Marc,

On Tue, Aug 8, 2023 at 4:47 AM Marc Zyngier [off-list ref] wrote:
quoted hunk ↗ jump to hunk
The HDFGxTR_EL2 registers trap a (huge) set of debug and trace
related registers. Add their encodings (and only that, because
we really don't care about what these registers actually do at
this stage).

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
---
 arch/arm64/include/asm/sysreg.h | 76 +++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 76289339b43b..bb5a0877a210 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -194,6 +194,82 @@
 #define SYS_DBGDTRTX_EL0               sys_reg(2, 3, 0, 5, 0)
 #define SYS_DBGVCR32_EL2               sys_reg(2, 4, 0, 7, 0)

+#define SYS_BRBINF_EL1(n)              sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0))
+#define SYS_BRBINFINJ_EL1              sys_reg(2, 1, 9, 1, 0)
+#define SYS_BRBSRC_EL1(n)              sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1))
+#define SYS_BRBSRCINJ_EL1              sys_reg(2, 1, 9, 1, 1)
+#define SYS_BRBTGT_EL1(n)              sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2))
+#define SYS_BRBTGTINJ_EL1              sys_reg(2, 1, 9, 1, 2)
+#define SYS_BRBTS_EL1                  sys_reg(2, 1, 9, 0, 2)
+
+#define SYS_BRBCR_EL1                  sys_reg(2, 1, 9, 0, 0)
+#define SYS_BRBFCR_EL1                 sys_reg(2, 1, 9, 0, 1)
+#define SYS_BRBIDR0_EL1                        sys_reg(2, 1, 9, 2, 0)
+
+#define SYS_TRCITECR_EL1               sys_reg(3, 0, 1, 2, 3)
+#define SYS_TRCACATR(m)                        sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3)))
+#define SYS_TRCACVR(m)                 sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3)))
+#define SYS_TRCAUTHSTATUS              sys_reg(2, 1, 7, 14, 6)
+#define SYS_TRCAUXCTLR                 sys_reg(2, 1, 0, 6, 0)
+#define SYS_TRCBBCTLR                  sys_reg(2, 1, 0, 15, 0)
+#define SYS_TRCCCCTLR                  sys_reg(2, 1, 0, 14, 0)
+#define SYS_TRCCIDCCTLR0               sys_reg(2, 1, 3, 0, 2)
+#define SYS_TRCCIDCCTLR1               sys_reg(2, 1, 3, 1, 2)
+#define SYS_TRCCIDCVR(m)               sys_reg(2, 1, 3, ((m & 7) << 1), 0)
+#define SYS_TRCCLAIMCLR                        sys_reg(2, 1, 7, 9, 6)
+#define SYS_TRCCLAIMSET                        sys_reg(2, 1, 7, 8, 6)
+#define SYS_TRCCNTCTLR(m)              sys_reg(2, 1, 0, (4 | (m & 3)), 5)
+#define SYS_TRCCNTRLDVR(m)             sys_reg(2, 1, 0, (0 | (m & 3)), 5)
+#define SYS_TRCCNTVR(m)                        sys_reg(2, 1, 0, (8 | (m & 3)), 5)
+#define SYS_TRCCONFIGR                 sys_reg(2, 1, 0, 4, 0)
+#define SYS_TRCDEVARCH                 sys_reg(2, 1, 7, 15, 6)
+#define SYS_TRCDEVID                   sys_reg(2, 1, 7, 2, 7)
+#define SYS_TRCEVENTCTL0R              sys_reg(2, 1, 0, 8, 0)
+#define SYS_TRCEVENTCTL1R              sys_reg(2, 1, 0, 9, 0)
+#define SYS_TRCEXTINSELR(m)            sys_reg(2, 1, 0, (8 | (m & 3)), 4)
+#define SYS_TRCIDR0                    sys_reg(2, 1, 0, 8, 7)
+#define SYS_TRCIDR10                   sys_reg(2, 1, 0, 2, 6)
+#define SYS_TRCIDR11                   sys_reg(2, 1, 0, 3, 6)
+#define SYS_TRCIDR12                   sys_reg(2, 1, 0, 4, 6)
+#define SYS_TRCIDR13                   sys_reg(2, 1, 0, 5, 6)
+#define SYS_TRCIDR1                    sys_reg(2, 1, 0, 9, 7)
+#define SYS_TRCIDR2                    sys_reg(2, 1, 0, 10, 7)
+#define SYS_TRCIDR3                    sys_reg(2, 1, 0, 11, 7)
+#define SYS_TRCIDR4                    sys_reg(2, 1, 0, 12, 7)
+#define SYS_TRCIDR5                    sys_reg(2, 1, 0, 13, 7)
+#define SYS_TRCIDR6                    sys_reg(2, 1, 0, 14, 7)
+#define SYS_TRCIDR7                    sys_reg(2, 1, 0, 15, 7)
+#define SYS_TRCIDR8                    sys_reg(2, 1, 0, 0, 6)
+#define SYS_TRCIDR9                    sys_reg(2, 1, 0, 1, 6)
+#define SYS_TRCIMSPEC(m)               sys_reg(2, 1, 0, (m & 7), 7)
+#define SYS_TRCITEEDCR                 sys_reg(2, 1, 0, 2, 1)
+#define SYS_TRCOSLSR                   sys_reg(2, 1, 1, 1, 4)
+#define SYS_TRCPRGCTLR                 sys_reg(2, 1, 0, 1, 0)
+#define SYS_TRCQCTLR                   sys_reg(2, 1, 0, 1, 1)
+#define SYS_TRCRSCTLR(m)               sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4)))
+#define SYS_TRCRSR                     sys_reg(2, 1, 0, 10, 0)
+#define SYS_TRCSEQEVR(m)               sys_reg(2, 1, 0, (m & 3), 4)
+#define SYS_TRCSEQRSTEVR               sys_reg(2, 1, 0, 6, 4)
+#define SYS_TRCSEQSTR                  sys_reg(2, 1, 0, 7, 4)
+#define SYS_TRCSSCCR(m)                        sys_reg(2, 1, 1, (m & 7), 2)
+#define SYS_TRCSSCSR(m)                        sys_reg(2, 1, 1, (8 | (m & 7)), 2)
+#define SYS_TRCSSPCICR(m)              sys_reg(2, 1, 1, (m & 7), 3)
+#define SYS_TRCSTALLCTLR               sys_reg(2, 1, 0, 11, 0)
+#define SYS_TRCSTATR                   sys_reg(2, 1, 0, 3, 0)
+#define SYS_TRCSYNCPR                  sys_reg(2, 1, 0, 13, 0)
+#define SYS_TRCTRACEIDR                        sys_reg(2, 1, 0, 0, 1)
+#define SYS_TRCTSCTLR                  sys_reg(2, 1, 0, 12, 0)
+#define SYS_TRCVICTLR                  sys_reg(2, 1, 0, 0, 2)
+#define SYS_TRCVIIECTLR                        sys_reg(2, 1, 0, 1, 2)
+#define SYS_TRCVIPCSSCTLR              sys_reg(2, 1, 0, 3, 2)
+#define SYS_TRCVISSCTLR                        sys_reg(2, 1, 0, 2, 2)
+#define SYS_TRCVMIDCCTLR0              sys_reg(2, 1, 3, 2, 2)
+#define SYS_TRCVMIDCCTLR1              sys_reg(2, 1, 3, 3, 2)
+#define SYS_TRCVMIDCVR(m)              sys_reg(2, 1, 3, ((m & 7) << 1), 1)
+
+/* ETM */
+#define SYS_TRCOSLAR                   sys_reg(2, 1, 1, 0, 4)
+
 #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)
--
2.34.1
Reviewed-by: Jing Zhang <redacted>

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