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[Xen-devel] [PATCH v4 1/4] hvmloader/ovmf: remove hardcoded OVMF loading location



Load OVMF from (100000000ULL - sizeof(ovmf)) to 0xFFFFFFFF, with proper
rounding down.

Tested with OVMF release build (1 MB) and debug build (2 MB), both
worked fine.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/firmware/hvmloader/ovmf.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/firmware/hvmloader/ovmf.c b/tools/firmware/hvmloader/ovmf.c
index ee4cbbf..148102a 100644
--- a/tools/firmware/hvmloader/ovmf.c
+++ b/tools/firmware/hvmloader/ovmf.c
@@ -38,9 +38,9 @@
 #define ROM_INCLUDE_OVMF
 #include "roms.inc"
 
-#define OVMF_BEGIN              0xFFF00000ULL
-#define OVMF_SIZE               0x00100000ULL
+#define OVMF_SIZE               (sizeof(ovmf))
 #define OVMF_MAXOFFSET          0x000FFFFFULL
+#define OVMF_BEGIN              (0x100000000ULL - ((OVMF_SIZE + 
OVMF_MAXOFFSET) & ~OVMF_MAXOFFSET))
 #define OVMF_END                (OVMF_BEGIN + OVMF_SIZE)
 #define LOWCHUNK_BEGIN          0x000F0000
 #define LOWCHUNK_SIZE           0x00010000
-- 
1.7.10.4


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