[SeaBIOS] [PATCH 3/3] Clarify address space layout.
Eduard - Gabriel Munteanu
eduard.munteanu at linux360.ro
Fri Feb 4 00:24:15 CET 2011
This clarifies the address space layout by commenting on where APIC,
IOAPIC and AMD IOMMU building regions end.
Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu at linux360.ro>
---
src/config.h | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/config.h b/src/config.h
index 0ba5723..6ab2071 100644
--- a/src/config.h
+++ b/src/config.h
@@ -169,11 +169,12 @@
#define BUILD_PCIPREFMEM_END 0xfec00000 /* IOAPIC is mapped at */
#endif
-#define BUILD_APIC_ADDR 0xfee00000
-#define BUILD_IOAPIC_ADDR 0xfec00000
+#define BUILD_IOAPIC_ADDR 0xfec00000 /* Ends at +0x100000. */
-#define BUILD_AMD_IOMMU_START 0xfed00000
-#define BUILD_AMD_IOMMU_END 0xfee00000 /* BUILD_APIC_ADDR */
+#define BUILD_AMD_IOMMU_START 0xfed00000 /* Can be safely relocated. */
+#define BUILD_AMD_IOMMU_END 0xfee00000
+
+#define BUILD_APIC_ADDR 0xfee00000 /* Ends at +0x100000. */
#define BUILD_SMM_INIT_ADDR 0x38000
#define BUILD_SMM_ADDR 0xa8000
--
1.7.3.4
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