Commit Graph

25 Commits

Author SHA1 Message Date
Elvin Li a93b0e3f68 Use rsp instead of esp to save 64-bit stack pointer.
Signed-off-by: Elvin Li <elvin.li@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14812 6f19259b-4bc3-4df7-8a09-765794883524
2013-10-29 06:52:25 +00:00
li-elvin 48c8b6a299 Current Thunk16.asm implementation clears reserved bits, which does not follow IA32 SDM. Now the fix is to only clear PAE and PSE bit of CR4 for real mode.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14037 6f19259b-4bc3-4df7-8a09-765794883524
2013-01-07 07:12:19 +00:00
lgao4 c577049aaf Fix the issue to clear the high 16-bit of EAX before use it Thunk code.
This patch updates MdePkg BaseLib, EcpPkg EdkIIGlueLib BaseLib and ThunkLib.

Signed-off-by: lgao4
Reviewed-by: rsun3

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12876 6f19259b-4bc3-4df7-8a09-765794883524
2011-12-15 08:27:17 +00:00
li-elvin 4d4c535a32 Fix the issue that the high 16-bit of EAX may contain invalid data, which cause bad stack pointer, the change will ensure the high 16-bit of EAX is cleared.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11047 6f19259b-4bc3-4df7-8a09-765794883524
2010-11-12 07:47:27 +00:00
myronporter 2fc59a003e Minor grammatical work--mostly adding periods. Items with ONLY period added did not have the heading date changed, but Items with content changes had heading copyright dates updated. Sending separately a list of files missing Doxygen @param and @return information. (PENDING)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10604 6f19259b-4bc3-4df7-8a09-765794883524
2010-06-25 21:56:02 +00:00
hhtian bb817c56c5 Update the copyright notice format
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10405 6f19259b-4bc3-4df7-8a09-765794883524
2010-04-23 16:00:47 +00:00
qhuang8 a148780114 Fix the bug in x64 thunk code that it cannot handle the case when GDT is loaded in above 4G table memory.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8390 6f19259b-4bc3-4df7-8a09-765794883524
2009-05-26 11:41:12 +00:00
qhuang8 0fe43214e3 Save segment registers on stack in case the thunk code assembly calls CF9 soft reset and the x64 registers get cleared.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8123 6f19259b-4bc3-4df7-8a09-765794883524
2009-04-17 07:38:57 +00:00
qhuang8 373ade0eb6 Update copyright for files modified in this year
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7148 6f19259b-4bc3-4df7-8a09-765794883524
2008-12-29 14:07:07 +00:00
qhuang8 47fc17d8a9 Use #include "XXX.h" for module internal header files.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6330 6f19259b-4bc3-4df7-8a09-765794883524
2008-10-31 04:32:02 +00:00
vanjeff 1efcc4ae46 remove unnecessary comments introduced by tools from MdePkg. The regular express is "//^p//[ ]Include[ ]common[ ]header[ ]file[ ]for[ ]this[ ]module[.]^p//"
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5911 6f19259b-4bc3-4df7-8a09-765794883524
2008-09-17 07:46:17 +00:00
vanjeff f1baef624f 1. Port X64, IPF and EBC arch for BaseLib
2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
2007-07-02 09:34:25 +00:00
lhauch 586cd1f1f4 Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing builds. Also updated the SPD and FPD files UiNames
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2616 6f19259b-4bc3-4df7-8a09-765794883524
2007-06-01 14:49:55 +00:00
bxing a9a812a0ed 1. Added comments to ASM files
2. Fixed a bug in 64-bit AsmDisablePaging64(), which may cause a #GP exception.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2206 6f19259b-4bc3-4df7-8a09-765794883524
2007-01-10 06:57:04 +00:00
yshang1 733f4094ee To Fix PVCS 429.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2007 6f19259b-4bc3-4df7-8a09-765794883524
2006-11-23 09:05:19 +00:00
bxing 38b5365e39 Enabled 4G+ memory in thunk.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1957 6f19259b-4bc3-4df7-8a09-765794883524
2006-11-15 09:31:03 +00:00
bxing f23d790a79 Added an extra GDT entry to the GDT used by thunk code. SS register will always be loaded as flat segment before switching to 16-bit mode, since SS might not be always valid for NULL selector is allowed in 64-bit mode.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1541 6f19259b-4bc3-4df7-8a09-765794883524
2006-09-14 16:04:47 +00:00
bxing 3f566587ae 1. Updated function headers in all assembly files.
2. Split x86LowLevel.c into a bunch of C files to make images linked with BaseLib smaller.
3. Fixed a few minor bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524
2006-07-21 08:47:38 +00:00
bxing bbe4ba8149 Modified coding style, removed unnecessary comments and "offset" key words.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1033 6f19259b-4bc3-4df7-8a09-765794883524
2006-07-17 09:38:46 +00:00
jwang36 a661b6870a git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@742 6f19259b-4bc3-4df7-8a09-765794883524 2006-07-04 12:12:33 +00:00
klu2 23f52b03b4 Roll back modification for autogen of assemble code, we do not support PCD autogen for assemble code.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@625 6f19259b-4bc3-4df7-8a09-765794883524
2006-06-26 02:27:11 +00:00
bxing ae603c64c2 Thunk16.asm's can use constants defined in BaseLib.h now.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@525 6f19259b-4bc3-4df7-8a09-765794883524
2006-06-15 10:25:17 +00:00
bxing 18c319ae39 1. Updated CpuFlushTlb() according to IA-64 programmer's guide
2. Updated Thunk code to preserve EFLAGS/RFLAGS across real mode code invocation
3. Updated comments in x86Thunk.c

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@248 6f19259b-4bc3-4df7-8a09-765794883524
2006-05-24 05:33:03 +00:00
bxing 97d92bdaf0 Updated BaseLib for THUNK functions and some CPU functions
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@158 6f19259b-4bc3-4df7-8a09-765794883524
2006-05-15 11:14:20 +00:00
bbahnsen 185d764218 Rename dirs
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@16 6f19259b-4bc3-4df7-8a09-765794883524
2006-04-24 22:17:39 +00:00