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-rw-r--r--src/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/Kconfig b/src/Kconfig
index 97a479919e..443732a73c 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -623,6 +623,19 @@ config SEABIOS_THREAD_OPTIONROMS
variations during option ROM code execution. It is not
known if all option ROMs will behave properly with this option.
+config SEABIOS_MALLOC_UPPERMEMORY
+ bool
+ default y
+ depends on PAYLOAD_SEABIOS
+ help
+ Use the "Upper Memory Block" area (0xc0000-0xf0000) for internal
+ "low memory" allocations. If this is not selected, the memory is
+ instead allocated from the "9-segment" (0x90000-0xa0000).
+ This is not typically needed, but may be required on some platforms
+ to allow USB and SATA buffers to be written correctly by the
+ hardware. In general, if this is desired, the option will be
+ set to 'N' by the chipset Kconfig.
+
choice
prompt "GRUB2 version"
default GRUB2_MASTER