Re: [PATCH v3 02/10] arm/cpu: Add sysreg properties generation

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 14/4/25 18:38, Cornelia Huck wrote:
> From: Eric Auger <eric.auger@redhat.com>
> 
> Introduce a script that automates the generation of system register
> properties definitions from a given linux source tree
> arch/arm64/tools/sysreg.
> 
> Invocation of
> ./update-aarch64-sysreg-code.sh $PATH_TO_LINUX_SOURCE_TREE
> in scripts directory additionally generates
> target/arm/cpu-sysreg-properties.c containing definitions for
> feature ID registers.
> 
> update-aarch64-sysreg-code.sh additionally calls
> gen-cpu-sysreg-properties.awk which is inherited from kernel
> arch/arm64/tools/gen-sysreg.awk. All credits to Mark Rutland
> the original author of this script.
> 
> [CH: split off from original patch adding both sysreg definitions
>   and properties]
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
>   scripts/gen-cpu-sysreg-properties.awk | 325 ++++++++++++++++++++++++++
>   scripts/update-aarch64-sysreg-code.sh |   5 +-
>   2 files changed, 329 insertions(+), 1 deletion(-)
>   create mode 100755 scripts/gen-cpu-sysreg-properties.awk
> 
> diff --git a/scripts/gen-cpu-sysreg-properties.awk b/scripts/gen-cpu-sysreg-properties.awk
> new file mode 100755
> index 000000000000..76c37938b168
> --- /dev/null
> +++ b/scripts/gen-cpu-sysreg-properties.awk
> @@ -0,0 +1,325 @@
> +#!/bin/awk -f
> +# SPDX-License-Identifier: GPL-2.0
> +# gen-cpu-sysreg-properties.awk: arm64 sysreg header generator
> +#
> +# Usage: awk -f gen-cpu-sysreg-properties.awk $LINUX_PATH/arch/arm64/tools/sysreg


> +BEGIN {

         print "/* AUTOMATICALLY GENERATED, DO NOT MODIFY */\n"

Should we keep copyright?

> +	print "#include \"cpu-custom.h\""
> +	print ""
> +	print "ARM64SysReg arm64_id_regs[NUM_ID_IDX];"
> +	print ""
> +	print "void initialize_cpu_sysreg_properties(void)"
> +	print "{"
> +        print "    memset(arm64_id_regs, 0, sizeof(ARM64SysReg) * NUM_ID_IDX);"
> +        print ""
> +
> +	__current_block_depth = 0
> +	__current_block[__current_block_depth] = "Root"
> +}