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-rw-r--r--src/arch/x86/Kconfig17
-rw-r--r--src/arch/x86/ebda.c13
2 files changed, 21 insertions, 9 deletions
diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig
index 16d8a7041d..4737e3cca1 100644
--- a/src/arch/x86/Kconfig
+++ b/src/arch/x86/Kconfig
@@ -422,4 +422,21 @@ config X86_BOOTBLOCK_EXTRA_PROGRAM_SZ
The default value is 1024 bytes (1 KiB) for ChromeOS and 0 for other platforms.
+config DEFAULT_EBDA_LOWMEM
+ hex
+ default 0x100000
+ help
+ The default value of EBDA low memory is (1024 << 10).
+
+config DEFAULT_EBDA_SEGMENT
+ hex
+ default 0xF600
+ help
+ The default value of EBDA segment is 0xF600.
+
+config DEFAULT_EBDA_SIZE
+ hex
+ default 0x400
+ help
+ The default value of EBDA size is 0x400.
endif
diff --git a/src/arch/x86/ebda.c b/src/arch/x86/ebda.c
index e835fcefef..f3e8fd2844 100644
--- a/src/arch/x86/ebda.c
+++ b/src/arch/x86/ebda.c
@@ -10,14 +10,9 @@
#define X86_EBDA_SEGMENT ((void *)0x40e)
#define X86_EBDA_LOWMEM ((void *)0x413)
-#define DEFAULT_EBDA_LOWMEM (1024 << 10)
-#define DEFAULT_EBDA_SEGMENT 0xF600
-#define DEFAULT_EBDA_SIZE 0x400
-
-
static void *get_ebda_start(void)
{
- return (void *)((uintptr_t)DEFAULT_EBDA_SEGMENT << 4);
+ return (void *)((uintptr_t)CONFIG_DEFAULT_EBDA_SEGMENT << 4);
}
/*
@@ -55,9 +50,9 @@ static void setup_default_ebda(void *unused)
if (acpi_is_wakeup_s3())
return;
- setup_ebda(DEFAULT_EBDA_LOWMEM,
- DEFAULT_EBDA_SEGMENT,
- DEFAULT_EBDA_SIZE);
+ setup_ebda(CONFIG_DEFAULT_EBDA_LOWMEM,
+ CONFIG_DEFAULT_EBDA_SEGMENT,
+ CONFIG_DEFAULT_EBDA_SIZE);
}
/* Ensure EBDA is prepared before Option ROMs. */