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-rw-r--r--payloads/libpayload/Config.in5
-rw-r--r--payloads/libpayload/arch/powerpc/Config.in1
-rw-r--r--payloads/libpayload/arch/x86/Config.in1
3 files changed, 7 insertions, 0 deletions
diff --git a/payloads/libpayload/Config.in b/payloads/libpayload/Config.in
index 0a6fbe8ea3..377b7bafb6 100644
--- a/payloads/libpayload/Config.in
+++ b/payloads/libpayload/Config.in
@@ -410,4 +410,9 @@ config LITTLE_ENDIAN
default n
bool
+# Whether the target system has an IO address space.
+config IO_ADDRESS_SPACE
+ default n
+ bool
+
source "arch/Config.in"
diff --git a/payloads/libpayload/arch/powerpc/Config.in b/payloads/libpayload/arch/powerpc/Config.in
index eb2faa1969..f64f0066f9 100644
--- a/payloads/libpayload/arch/powerpc/Config.in
+++ b/payloads/libpayload/arch/powerpc/Config.in
@@ -32,5 +32,6 @@ if ARCH_POWERPC
config ARCH_SPECIFIC_OPTIONS # dummy
def_bool y
select BIG_ENDIAN
+ select IO_ADDRESS_SPACE
endif
diff --git a/payloads/libpayload/arch/x86/Config.in b/payloads/libpayload/arch/x86/Config.in
index f4bd8822e4..4a5e6bd88e 100644
--- a/payloads/libpayload/arch/x86/Config.in
+++ b/payloads/libpayload/arch/x86/Config.in
@@ -32,5 +32,6 @@ if ARCH_X86
config ARCH_SPECIFIC_OPTIONS # dummy
def_bool y
select LITTLE_ENDIAN
+ select IO_ADDRESS_SPACE
endif