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[Xen-devel,v3,50/62] xen/efi: store EFI system table in efi structure

Message ID 1447753261-7552-51-git-send-email-shannon.zhao@linaro.org
State New
Headers show

Commit Message

Shannon Zhao Nov. 17, 2015, 9:40 a.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>


When preparing EFI tables for Dom0, it needs the information of EFI
system table. Here store it in efi structure.

Signed-off-by: Parth Dixit <parth.dixit@linaro.org>

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

---
 xen/common/efi/boot.c | 2 ++
 xen/include/xen/efi.h | 1 +
 2 files changed, 3 insertions(+)

-- 
2.1.0


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Patch

diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
index 78d8ae9..6a48624 100644
--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -1155,6 +1155,8 @@  efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable)
 
     efi_tables();
 
+    efi.est = (long)SystemTable;
+
     /* Collect PCI ROM contents. */
     setup_efi_pci();
 
diff --git a/xen/include/xen/efi.h b/xen/include/xen/efi.h
index e74dad1..e112296 100644
--- a/xen/include/xen/efi.h
+++ b/xen/include/xen/efi.h
@@ -16,6 +16,7 @@  struct efi {
     unsigned long acpi20;       /* ACPI table (ACPI 2.0) */
     unsigned long smbios;       /* SM BIOS table */
     unsigned long smbios3;      /* SMBIOS v3 table */
+    unsigned long est;          /* EFI system table */
 };
 
 extern struct efi efi;