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| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-07-18 16:00:10 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-07-18 16:00:10 +0000 |
| commit | ebceb28e2641f5dad81e1c3e70c9b6cb49547aab (patch) | |
| tree | d55f8365c5eb1c74c3b17bee9eb9ec516d9a2ccc /MdeModulePkg/Universal/EbcDxe | |
| parent | 2703f9e23009ad3feefda72b031f3ba3f63eb41d (diff) | |
| download | edk2-platforms-ebceb28e2641f5dad81e1c3e70c9b6cb49547aab.tar.xz | |
Fix bug in EBC thunk for X64 that appears when higher levels of compiler optimization is used.
This is a temporary fix that should for for most tool chains. A more complete fix will be required to guarantee compatibility with all tool chains.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8973 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/EbcDxe')
| -rw-r--r-- | MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S | 1 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S b/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S index acebb63a77..e7bda2f5e3 100644 --- a/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S +++ b/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S @@ -86,6 +86,7 @@ ASM_PFX(EbcLLCALLEXNative): #
ASM_GLOBAL ASM_PFX(EbcLLGetEbcEntryPoint);
ASM_PFX(EbcLLGetEbcEntryPoint):
+ mov %r10, %rax
ret
#/*++
diff --git a/MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c b/MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c index 6c0428d9cc..ef4b4c4c0d 100644 --- a/MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c +++ b/MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c @@ -412,7 +412,7 @@ EbcCreateThunks ( //
// Add code bytes to load up a processor register with the EBC entry point.
- // mov r10, 123456789abcdef0h => 48 B8 F0 DE BC 9A 78 56 34 12
+ // mov r10, 123456789abcdef0h => 49 BA F0 DE BC 9A 78 56 34 12
// The first 8 bytes of the thunk entry is the address of the EBC
// entry point.
//
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