From: Mark Brown <broonie@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
linux-arm-kernel@lists.infradead.org,
Mark Brown <broonie@kernel.org>
Subject: [PATCH v4 5/8] arm64/sysreg: Enable automatic generation of system register definitions
Date: Tue, 19 Apr 2022 11:43:26 +0100 [thread overview]
Message-ID: <20220419104329.188489-6-broonie@kernel.org> (raw)
In-Reply-To: <20220419104329.188489-1-broonie@kernel.org>
Now that we have a script for generating system registers hook it up to the
build system similarly to cpucaps. Since we don't currently have any actual
register information in the input file this should produce no change in the
built kernel. For ease of review the register information will be converted
in separate patches.
Signed-off-by: Mark Brown <broonie@kernel.org>
---
arch/arm64/include/asm/Kbuild | 1 +
arch/arm64/include/asm/sysreg.h | 8 ++++++++
arch/arm64/tools/Makefile | 8 +++++++-
3 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index 345fe98605ba..1eac9aa6fa2e 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -7,3 +7,4 @@ generic-y += parport.h
generic-y += user.h
generated-y += cpucaps.h
+generated-y += sysreg-gen.h
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index f300c49d6281..11bf3636c741 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -114,6 +114,14 @@
#define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
#define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
+/*
+ * Automatically generated definitions for system registers, the
+ * manual encodings below are in the process of being converted to
+ * come from here. The header relies on the definition of sys_reg()
+ * earlier in this file.
+ */
+#include "asm/sysreg-gen.h"
+
/*
* System registers, organised loosely by encoding but grouped together
* where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
diff --git a/arch/arm64/tools/Makefile b/arch/arm64/tools/Makefile
index cf1307188150..8d2d38858a0d 100644
--- a/arch/arm64/tools/Makefile
+++ b/arch/arm64/tools/Makefile
@@ -3,7 +3,7 @@
gen := arch/$(ARCH)/include/generated
kapi := $(gen)/asm
-kapi-hdrs-y := $(kapi)/cpucaps.h
+kapi-hdrs-y := $(kapi)/cpucaps.h $(kapi)/sysreg-gen.h
targets += $(addprefix ../../../, $(kapi-hdrs-y))
@@ -14,5 +14,11 @@ kapi: $(kapi-hdrs-y)
quiet_cmd_gen_cpucaps = GEN $@
cmd_gen_cpucaps = mkdir -p $(dir $@); $(AWK) -f $(real-prereqs) > $@
+quiet_cmd_gen_sysreg = GEN $@
+ cmd_gen_sysreg = mkdir -p $(dir $@); $(AWK) -f $(real-prereqs) > $@
+
$(kapi)/cpucaps.h: $(src)/gen-cpucaps.awk $(src)/cpucaps FORCE
$(call if_changed,gen_cpucaps)
+
+$(kapi)/sysreg-gen.h: $(src)/gen-sysreg.awk $(src)/sysreg FORCE
+ $(call if_changed,gen_sysreg)
--
2.30.2
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next prev parent reply other threads:[~2022-04-19 10:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 10:43 [PATCH v4 0/8] arm64: Automatic system register definition generation Mark Brown
2022-04-19 10:43 ` [PATCH v4 1/8] arm64/mte: Move shift from definition of TCF0 enumeration values Mark Brown
2022-04-21 9:33 ` Mark Rutland
2022-04-19 10:43 ` [PATCH v4 2/8] arm64/sysreg: Standardise ID_AA64ISAR0_EL1 macro names Mark Brown
2022-04-21 9:35 ` Mark Rutland
2022-04-19 10:43 ` [PATCH v4 3/8] arm64/sysreg: Rename SCTLR_EL1_NTWE/TWI to SCTLR_EL1_nTWE/TWI Mark Brown
2022-04-21 9:36 ` Mark Rutland
2022-04-19 10:43 ` [PATCH v4 4/8] arm64: Add sysreg header generation scripting Mark Brown
2022-04-21 9:47 ` Mark Rutland
2022-04-21 13:00 ` Mark Brown
2022-04-21 14:16 ` Mark Rutland
2022-04-21 14:50 ` Mark Brown
2022-04-21 15:35 ` Mark Rutland
2022-04-21 15:46 ` Mark Brown
2022-04-19 10:43 ` Mark Brown [this message]
2022-04-21 9:52 ` [PATCH v4 5/8] arm64/sysreg: Enable automatic generation of system register definitions Mark Rutland
2022-04-19 10:43 ` [PATCH v4 6/8] arm64/sysreg: Generate definitions for ID_AA64ISAR0_EL1 Mark Brown
2022-04-21 9:58 ` Mark Rutland
2022-04-19 10:43 ` [PATCH v4 7/8] arm64/sysreg: Generate definitions for TTBRn_EL1 Mark Brown
2022-04-21 9:59 ` Mark Rutland
2022-04-19 10:43 ` [PATCH v4 8/8] arm64/sysreg: Generate definitions for SCTLR_EL1 Mark Brown
2022-04-21 10:05 ` Mark Rutland
2022-04-22 12:14 ` Mark Brown
2022-04-22 13:42 ` Mark Rutland
2022-04-22 13:50 ` Mark Brown
2022-04-21 10:15 ` [PATCH v4 0/8] arm64: Automatic system register definition generation Mark Rutland
2022-04-21 15:14 ` Mark Brown
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