acpi/Kconfig: improve description of ACPI_CPU_STRING config option

ACPI_CPU_STRING specifies the format string for the scope of the
processor devices in the generated ACPI code. Also point out that the
resulting string will be truncated to at most 15 chars to fit into the
16 byte buffer used in two functions in acpigen.c.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I1fb1db8adeecd783c835a500d28a13b823cda155
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72451
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
This commit is contained in:
Felix Held 2023-01-25 16:25:27 +01:00
parent 05be8c626c
commit 2fc2758e51
1 changed files with 4 additions and 3 deletions

View File

@ -11,9 +11,10 @@ config ACPI_CPU_STRING
default "\\_SB.CP%02X"
depends on HAVE_ACPI_TABLES
help
Sets the ACPI name string in the processor scope as written by
the acpigen function. Default is \_SB.CPxx. Note that you need
the \ escape character in the string.
Specifies the ACPI name format string used by the acpigen
function to generate the processor scope. Default is \_SB.CPxx.
Note that you need to escape the '\' character in the string.
The resulting string will be truncated to at most 15 chars.
config ACPI_HAVE_PCAT_8259
def_bool y if !ACPI_NO_PCAT_8259