diff options
| -rw-r--r-- | OvmfPkg/OvmfPkg.dec | 3 | ||||
| -rw-r--r-- | OvmfPkg/OvmfXen.fdf | 4 | ||||
| -rw-r--r-- | OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm | 6 | ||||
| -rw-r--r-- | OvmfPkg/XenResetVector/XenResetVector.inf | 3 | ||||
| -rw-r--r-- | OvmfPkg/XenResetVector/XenResetVector.nasmb | 2 |
5 files changed, 18 insertions, 0 deletions
diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index 9640360f62..c2a2ebfb95 100644 --- a/OvmfPkg/OvmfPkg.dec +++ b/OvmfPkg/OvmfPkg.dec @@ -218,6 +218,9 @@ # The value should be a multiple of 4KB.
gUefiOvmfPkgTokenSpaceGuid.PcdHighPmmMemorySize|0x400000|UINT32|0x31
+ gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|0x0|UINT32|0x17
+ gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize|0x0|UINT32|0x32
+
[PcdsDynamic, PcdsDynamicEx]
gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable|FALSE|BOOLEAN|0x10
diff --git a/OvmfPkg/OvmfXen.fdf b/OvmfPkg/OvmfXen.fdf index 43c268f6cb..49997fee9b 100644 --- a/OvmfPkg/OvmfXen.fdf +++ b/OvmfPkg/OvmfXen.fdf @@ -172,6 +172,10 @@ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase|gUefiOvmfPkgTokenSpaceGuid. 0x007000|0x001000
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress|gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize
+0x008000|0x001000
+# Used by XenResetVector to communicate with XenPlatformPei
+gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize
+
0x010000|0x010000
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase|gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize
diff --git a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm index 2a17fed52f..f42df3dba2 100644 --- a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm +++ b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm @@ -22,6 +22,12 @@ xenPVHMain: ;
xor esp, esp
+ ;
+ ; Store "Start of day" struct pointer for later use
+ ;
+ mov dword[PVH_SPACE (0)], ebx
+ mov dword[PVH_SPACE (4)], 'XPVH'
+
mov ebx, ADDR_OF(gdtr)
lgdt [ebx]
diff --git a/OvmfPkg/XenResetVector/XenResetVector.inf b/OvmfPkg/XenResetVector/XenResetVector.inf index 097fc9b5b4..46b133a834 100644 --- a/OvmfPkg/XenResetVector/XenResetVector.inf +++ b/OvmfPkg/XenResetVector/XenResetVector.inf @@ -36,3 +36,6 @@ [Pcd]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize
+
+ gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr
+ gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize
diff --git a/OvmfPkg/XenResetVector/XenResetVector.nasmb b/OvmfPkg/XenResetVector/XenResetVector.nasmb index 0dbc4f2c1d..b2cb405d54 100644 --- a/OvmfPkg/XenResetVector/XenResetVector.nasmb +++ b/OvmfPkg/XenResetVector/XenResetVector.nasmb @@ -34,6 +34,8 @@ %include "CommonMacros.inc"
+%define PVH_SPACE(Offset) (FixedPcdGet32 (PcdXenPvhStartOfDayStructPtr) + (Offset))
+
%include "PostCodes.inc"
%ifdef DEBUG_PORT80
|