Thread (91 messages) flat view 91 messages, 9 authors, 2021-02-22

Re: [PATCH V3 09/14] arm64: Add TRBE definitions

From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: 2021-01-28 09:35:49
Also in: lkml

On 1/27/21 8:55 AM, Anshuman Khandual wrote:
This adds TRBE related registers and corresponding feature macros.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <redacted>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Anshuman Khandual <redacted>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
quoted hunk ↗ jump to hunk
---
Changes in V3:

- ID_AA64DFR0_TRBE_SHIFT has been moved here from the TRBE driver
- Changed TRBLIMITR_TRIG_MODE_SHIFT as 3

  arch/arm64/include/asm/sysreg.h | 50 +++++++++++++++++++++++++++++++++++++++++
  1 file changed, 50 insertions(+)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 4acff97..85ae4db 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -329,6 +329,55 @@
  
  /*** End of Statistical Profiling Extension ***/
  
+/*
+ * TRBE Registers
+ */
+#define SYS_TRBLIMITR_EL1		sys_reg(3, 0, 9, 11, 0)
+#define SYS_TRBPTR_EL1			sys_reg(3, 0, 9, 11, 1)
+#define SYS_TRBBASER_EL1		sys_reg(3, 0, 9, 11, 2)
+#define SYS_TRBSR_EL1			sys_reg(3, 0, 9, 11, 3)
+#define SYS_TRBMAR_EL1			sys_reg(3, 0, 9, 11, 4)
+#define SYS_TRBTRG_EL1			sys_reg(3, 0, 9, 11, 6)
+#define SYS_TRBIDR_EL1			sys_reg(3, 0, 9, 11, 7)
+
+#define TRBLIMITR_LIMIT_MASK		GENMASK_ULL(51, 0)
+#define TRBLIMITR_LIMIT_SHIFT		12
+#define TRBLIMITR_NVM			BIT(5)
+#define TRBLIMITR_TRIG_MODE_MASK	GENMASK(1, 0)
+#define TRBLIMITR_TRIG_MODE_SHIFT	3
+#define TRBLIMITR_FILL_MODE_MASK	GENMASK(1, 0)
+#define TRBLIMITR_FILL_MODE_SHIFT	1
+#define TRBLIMITR_ENABLE		BIT(0)
+#define TRBPTR_PTR_MASK			GENMASK_ULL(63, 0)
+#define TRBPTR_PTR_SHIFT		0
+#define TRBBASER_BASE_MASK		GENMASK_ULL(51, 0)
+#define TRBBASER_BASE_SHIFT		12
+#define TRBSR_EC_MASK			GENMASK(5, 0)
+#define TRBSR_EC_SHIFT			26
+#define TRBSR_IRQ			BIT(22)
+#define TRBSR_TRG			BIT(21)
+#define TRBSR_WRAP			BIT(20)
+#define TRBSR_ABORT			BIT(18)
+#define TRBSR_STOP			BIT(17)
+#define TRBSR_MSS_MASK			GENMASK(15, 0)
+#define TRBSR_MSS_SHIFT			0
+#define TRBSR_BSC_MASK			GENMASK(5, 0)
+#define TRBSR_BSC_SHIFT			0
+#define TRBSR_FSC_MASK			GENMASK(5, 0)
+#define TRBSR_FSC_SHIFT			0
+#define TRBMAR_SHARE_MASK		GENMASK(1, 0)
+#define TRBMAR_SHARE_SHIFT		8
+#define TRBMAR_OUTER_MASK		GENMASK(3, 0)
+#define TRBMAR_OUTER_SHIFT		4
+#define TRBMAR_INNER_MASK		GENMASK(3, 0)
+#define TRBMAR_INNER_SHIFT		0
+#define TRBTRG_TRG_MASK			GENMASK(31, 0)
+#define TRBTRG_TRG_SHIFT		0
+#define TRBIDR_FLAG			BIT(5)
+#define TRBIDR_PROG			BIT(4)
+#define TRBIDR_ALIGN_MASK		GENMASK(3, 0)
+#define TRBIDR_ALIGN_SHIFT		0
+
  #define SYS_PMINTENSET_EL1		sys_reg(3, 0, 9, 14, 1)
  #define SYS_PMINTENCLR_EL1		sys_reg(3, 0, 9, 14, 2)
  
@@ -831,6 +880,7 @@
  #define ID_AA64MMFR2_CNP_SHIFT		0
  
  /* id_aa64dfr0 */
+#define ID_AA64DFR0_TRBE_SHIFT		44
  #define ID_AA64DFR0_TRACE_FILT_SHIFT	40
  #define ID_AA64DFR0_DOUBLELOCK_SHIFT	36
  #define ID_AA64DFR0_PMSVER_SHIFT	32

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