dev/hwpmc: Fix the dmc620 MD4 macro

Add braces to the dmc620 MD4 macro to fix the GCC build.

Reviewed by: brooks, imp, jhb
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D

dev/hwpmc: Fix the dmc620 MD4 macro

Add braces to the dmc620 MD4 macro to fix the GCC build.

Reviewed by: brooks, imp, jhb
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D45266

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sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

hwpmc: Don't wrap entire files in #ifdef DEV_ACPI.

A subsequent commit will instead use existing infrastructure to
exclude the files from hwpmc.ko for non-ACPI builds. Note that the
original commit

hwpmc: Don't wrap entire files in #ifdef DEV_ACPI.

A subsequent commit will instead use existing infrastructure to
exclude the files from hwpmc.ko for non-ACPI builds. Note that the
original commit left the files as optional in sys/conf/files.arm64.

This reverts commit 751d88119fdc1dff71d1390c7768942a9b857bc6.

Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D38736

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Fix the SPDX-License-Identifier in DMC-620 files

The SPDX-License-Identifier was wrong in the Arm CoreLink DMC-620
driver files. It used the incorrect FreeBSD variant of the BSD-2-Clause
identifier.

Fix the SPDX-License-Identifier in DMC-620 files

The SPDX-License-Identifier was wrong in the Arm CoreLink DMC-620
driver files. It used the incorrect FreeBSD variant of the BSD-2-Clause
identifier. According to [1] all files should use BSD-2-Clause.

[1] https://tools.spdx.org/app/check_license/

Reported by: emaste
Sponsored by: Arm Ltd

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Fix loading the hwpmc module when ACPI is enabled

In 0a9a4d2cd6092 a check for OPT_ACPI was added to the hwpmc Makefile
to fix loading the module in a kernel where ACPI has been disabled.
This broke

Fix loading the hwpmc module when ACPI is enabled

In 0a9a4d2cd6092 a check for OPT_ACPI was added to the hwpmc Makefile
to fix loading the module in a kernel where ACPI has been disabled.
This broke loading the module when ACPI was enabled in the build as
OPT_ACPI isn't a Makefile macro so was always disabled.

Move this check to the C files where the DEV_ACPI macro does exist.

Reviewed by: gnn
Sponsored by: Arm Ltd
Differential Revision: https://reviews.freebsd.org/D37773

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pmu_dmc620: Remove unused devclass from DRIVER_MODULE.

The Arm CoreLink DMC-620 Dynamic Memory Controller PMU driver

Add the Arm CoreLink DMC-620 Dynamic Memory Controller PMU driver
Add DMC-620 support to hwpmc(4)

Reviewed by: mhorne
Sponsored By: Amp

The Arm CoreLink DMC-620 Dynamic Memory Controller PMU driver

Add the Arm CoreLink DMC-620 Dynamic Memory Controller PMU driver
Add DMC-620 support to hwpmc(4)

Reviewed by: mhorne
Sponsored By: Ampere Computing
Differential Revision: https://reviews.freebsd.org/D32670

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