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/haiku/src/add-ons/kernel/bus_managers/acpi/acpica/include/
H A Dactables.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dactbl.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dactbl1.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dactbl2.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dactbl3.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dactypes.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dacutils.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
/haiku/src/add-ons/kernel/bus_managers/acpi/acpica/include/platform/
H A Dacenv.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dacenvex.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dacgcc.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dacgccex.h74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dachaiku.hdiff f2acc47f Wed Dec 06 10:38:28 MST 2023 Jérôme Duval <jerome.duval@gmail.com> acpi: update AcpiOsAcquireGlobalLock and AcpiOsReleaseGlobalLock

implementations from FreeBSD. Because the argument wasn't volatile,
the compiler wasn't considerung reading the lock content.
* fix the acquire and release loops:
The loop could be exited when any new values were read.
Instead the return value should be checked against the old value.

Old x86 gcc2 asm loop in AcpiOsAcquireGlobalLock:
11660: 89 c8 mov %ecx,%eax
11662: f0 0f b1 1a lock cmpxchg %ebx,(%edx)
11666: 39 0a cmp %ecx,(%edx)
11668: 74 f6 je 11660 <AcpiOsAcquireGlobalLock+0x20>

New x86 gcc13 asm loop in AcpiOsAcquireGlobalLock:

4d58: 8b 11 mov (%ecx),%edx
4d5a: 89 d0 mov %edx,%eax
4d5c: 89 d3 mov %edx,%ebx
4d5e: 83 e0 fc and $0xfffffffc,%eax
4d61: 83 cb 03 or $0x3,%ebx
4d64: f6 c2 02 test $0x2,%dl
4d67: 75 05 jne 4d6e <AcpiOsAcquireGlobalLock+0x1e>
4d69: 83 c8 02 or $0x2,%eax
4d6c: 89 c3 mov %eax,%ebx
4d6e: 89 d0 mov %edx,%eax
4d70: f0 0f b1 19 lock cmpxchg %ebx,(%ecx)
4d74: 75 e2 jne 4d58 <AcpiOsAcquireGlobalLock+0x8>

Old x86 gcc2 asm loop in AcpiOsReleaseGlobalLock:
11690: 89 c8 mov %ecx,%eax
11692: f0 0f b1 1a lock cmpxchg %ebx,(%edx)
11696: 39 0a cmp %ecx,(%edx)
11698: 74 f6 je 11690 <AcpiOsReleaseGlobalLock+0x10>

New x86 gcc13 asm loop in AcpiOsReleaseGlobalLock:
4d88: 8b 11 mov (%ecx),%edx
4d8a: 89 d3 mov %edx,%ebx
4d8c: 89 d0 mov %edx,%eax
4d8e: 83 e3 fc and $0xfffffffc,%ebx
4d91: f0 0f b1 19 lock cmpxchg %ebx,(%ecx)
4d95: 75 f1 jne 4d88 <AcpiOsReleaseGlobalLock+0x8>

Change-Id: Ia55ba8666efe8b5c198a01db100b4747b72df4a0
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7185
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
diff f2acc47f Wed Dec 06 10:38:28 MST 2023 Jérôme Duval <jerome.duval@gmail.com> acpi: update AcpiOsAcquireGlobalLock and AcpiOsReleaseGlobalLock

implementations from FreeBSD. Because the argument wasn't volatile,
the compiler wasn't considerung reading the lock content.
* fix the acquire and release loops:
The loop could be exited when any new values were read.
Instead the return value should be checked against the old value.

Old x86 gcc2 asm loop in AcpiOsAcquireGlobalLock:
11660: 89 c8 mov %ecx,%eax
11662: f0 0f b1 1a lock cmpxchg %ebx,(%edx)
11666: 39 0a cmp %ecx,(%edx)
11668: 74 f6 je 11660 <AcpiOsAcquireGlobalLock+0x20>

New x86 gcc13 asm loop in AcpiOsAcquireGlobalLock:

4d58: 8b 11 mov (%ecx),%edx
4d5a: 89 d0 mov %edx,%eax
4d5c: 89 d3 mov %edx,%ebx
4d5e: 83 e0 fc and $0xfffffffc,%eax
4d61: 83 cb 03 or $0x3,%ebx
4d64: f6 c2 02 test $0x2,%dl
4d67: 75 05 jne 4d6e <AcpiOsAcquireGlobalLock+0x1e>
4d69: 83 c8 02 or $0x2,%eax
4d6c: 89 c3 mov %eax,%ebx
4d6e: 89 d0 mov %edx,%eax
4d70: f0 0f b1 19 lock cmpxchg %ebx,(%ecx)
4d74: 75 e2 jne 4d58 <AcpiOsAcquireGlobalLock+0x8>

Old x86 gcc2 asm loop in AcpiOsReleaseGlobalLock:
11690: 89 c8 mov %ecx,%eax
11692: f0 0f b1 1a lock cmpxchg %ebx,(%edx)
11696: 39 0a cmp %ecx,(%edx)
11698: 74 f6 je 11690 <AcpiOsReleaseGlobalLock+0x10>

New x86 gcc13 asm loop in AcpiOsReleaseGlobalLock:
4d88: 8b 11 mov (%ecx),%edx
4d8a: 89 d3 mov %edx,%ebx
4d8c: 89 d0 mov %edx,%eax
4d8e: 83 e3 fc and $0xfffffffc,%ebx
4d91: f0 0f b1 19 lock cmpxchg %ebx,(%ecx)
4d95: 75 f1 jne 4d88 <AcpiOsReleaseGlobalLock+0x8>

Change-Id: Ia55ba8666efe8b5c198a01db100b4747b72df4a0
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7185
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
H A Dacintel.hdiff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.
diff 74ffd18d Sun Aug 07 02:07:25 MDT 2016 Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Update ACPICA to 20160729

Changelog: https://acpica.org/sites/acpica/files/changes_34.txt

Mostly minor fixes and ACPI 6.0 work since latest update.

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