arch/x86/acpigen: Add support for _DSM method generation

Hardware / Coreboot - Furquan Shaikh [chromium.org] - 24 October 2016 17:13 UTC

Add acpigen_write_dsm that generates ACPI AML code for _DSM method. Caller should provide set of callbacks with callback[i] corresponding to function index i of DSM method. Local0 and Local1 should not be used in any of the callbacks.

BUG=chrome-os-partner:57846

Change-Id: Ie18cba080424488fe00cc626ea50aa92c1dbb199

c00bd18 arch/x86/acpigen: Add support for _DSM method generation
src/arch/x86/acpigen.c | 86 +++++++++++++++++++++++++++++++++++
src/arch/x86/include/arch/acpigen.h | 8 ++++
2 files changed, 94 insertions(+)

Upstream: review.coreboot.org

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