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authorMark Rutland <mark.rutland@arm.com>2023-10-16 11:24:26 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2023-10-16 12:57:45 +0100
commit484de08518e43aa14f0d5719a99b19625ac12228 (patch)
tree5afc86b2c39f87c67e09702dd51ebff1c0cfeebc
parent20f3b8eafe0ba5d3c69d5011a9b07739e9645132 (diff)
arm64: Factor out cpucap definitions
For clarity it would be nice to factor cpucap manipulation out of <asm/cpufeature.h>, and the obvious place would be <asm/cpucap.h>, but this will clash somewhat with <generated/asm/cpucaps.h>. Rename <generated/asm/cpucaps.h> to <generated/asm/cpucap-defs.h>, matching what we do for <generated/asm/sysreg-defs.h>, and introduce a new <asm/cpucaps.h> which includes the generated header. Subsequent patches will fill out <asm/cpucaps.h>. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--arch/arm64/include/asm/Kbuild2
-rw-r--r--arch/arm64/include/asm/cpucaps.h8
-rw-r--r--arch/arm64/tools/Makefile4
-rwxr-xr-xarch/arm64/tools/gen-cpucaps.awk6
4 files changed, 14 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index 5c8ee5a541d2..4b6d2d52053e 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -6,5 +6,5 @@ generic-y += qspinlock.h
generic-y += parport.h
generic-y += user.h
-generated-y += cpucaps.h
+generated-y += cpucap-defs.h
generated-y += sysreg-defs.h
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
new file mode 100644
index 000000000000..7333b5bbf448
--- /dev/null
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ASM_CPUCAPS_H
+#define __ASM_CPUCAPS_H
+
+#include <asm/cpucap-defs.h>
+
+#endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/tools/Makefile b/arch/arm64/tools/Makefile
index 07a93ab21a62..fa2251d9762d 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)/sysreg-defs.h
+kapi-hdrs-y := $(kapi)/cpucap-defs.h $(kapi)/sysreg-defs.h
targets += $(addprefix ../../../, $(kapi-hdrs-y))
@@ -17,7 +17,7 @@ quiet_cmd_gen_cpucaps = GEN $@
quiet_cmd_gen_sysreg = GEN $@
cmd_gen_sysreg = mkdir -p $(dir $@); $(AWK) -f $(real-prereqs) > $@
-$(kapi)/cpucaps.h: $(src)/gen-cpucaps.awk $(src)/cpucaps FORCE
+$(kapi)/cpucap-defs.h: $(src)/gen-cpucaps.awk $(src)/cpucaps FORCE
$(call if_changed,gen_cpucaps)
$(kapi)/sysreg-defs.h: $(src)/gen-sysreg.awk $(src)/sysreg FORCE
diff --git a/arch/arm64/tools/gen-cpucaps.awk b/arch/arm64/tools/gen-cpucaps.awk
index 8525980379d7..2f4f61a0af17 100755
--- a/arch/arm64/tools/gen-cpucaps.awk
+++ b/arch/arm64/tools/gen-cpucaps.awk
@@ -15,8 +15,8 @@ function fatal(msg) {
/^#/ { next }
BEGIN {
- print "#ifndef __ASM_CPUCAPS_H"
- print "#define __ASM_CPUCAPS_H"
+ print "#ifndef __ASM_CPUCAP_DEFS_H"
+ print "#define __ASM_CPUCAP_DEFS_H"
print ""
print "/* Generated file - do not edit */"
cap_num = 0
@@ -31,7 +31,7 @@ BEGIN {
END {
printf("#define ARM64_NCAPS\t\t\t\t\t%d\n", cap_num)
print ""
- print "#endif /* __ASM_CPUCAPS_H */"
+ print "#endif /* __ASM_CPUCAP_DEFS_H */"
}
# Any lines not handled by previous rules are unexpected