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| author | Jordan Justen <jordan.l.justen@intel.com> | 2014-08-18 23:03:46 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-08-18 23:03:46 +0000 |
| commit | eee1d2ca9078742157c843562f1188eb96473322 (patch) | |
| tree | 7609cb1cb555df09eb50a6a116e694a83421b55d /UefiCpuPkg/ResetVector/Vtf0/Tools | |
| parent | 5a1f324d946cb1be2dc1226752b1965d6633232f (diff) | |
| download | edk2-eee1d2ca9078742157c843562f1188eb96473322.tar.gz edk2-eee1d2ca9078742157c843562f1188eb96473322.tar.bz2 edk2-eee1d2ca9078742157c843562f1188eb96473322.zip | |
UefiCpuPkg VTF0 X64: Build page tables in NASM code
Previously, we would build the page tables in
Tools/FixupForRawSection.py.
In order to let NASM build VTF0 from source during the EDK II build
process, we need to move this into the VTF0 NASM code.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15822 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/ResetVector/Vtf0/Tools')
| -rw-r--r-- | UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py | 100 |
1 files changed, 8 insertions, 92 deletions
diff --git a/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py b/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py index a9f21db3f8..a70ce7501d 100644 --- a/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py +++ b/UefiCpuPkg/ResetVector/Vtf0/Tools/FixupForRawSection.py @@ -16,95 +16,11 @@ import sys filename = sys.argv[1]
-if filename.lower().find('ia32') >= 0:
- d = open(sys.argv[1], 'rb').read()
- c = ((len(d) + 4 + 7) & ~7) - 4
- if c > len(d):
- c -= len(d)
- f = open(sys.argv[1], 'wb')
- f.write('\x90' * c)
- f.write(d)
- f.close()
-else:
- from struct import pack
-
- PAGE_PRESENT = 0x01
- PAGE_READ_WRITE = 0x02
- PAGE_USER_SUPERVISOR = 0x04
- PAGE_WRITE_THROUGH = 0x08
- PAGE_CACHE_DISABLE = 0x010
- PAGE_ACCESSED = 0x020
- PAGE_DIRTY = 0x040
- PAGE_PAT = 0x080
- PAGE_GLOBAL = 0x0100
- PAGE_2M_MBO = 0x080
- PAGE_2M_PAT = 0x01000
-
- def NopAlign4k(s):
- c = ((len(s) + 0xfff) & ~0xfff) - len(s)
- return ('\x90' * c) + s
-
- def PageDirectoryEntries4GbOf2MbPages(baseAddress):
-
- s = ''
- for i in range(0x800):
- i = (
- baseAddress + long(i << 21) +
- PAGE_2M_MBO +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_DIRTY +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def PageDirectoryPointerTable4GbOf2MbPages(pdeBase):
- s = ''
- for i in range(0x200):
- i = (
- pdeBase +
- (min(i, 3) << 12) +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def PageMapLevel4Table4GbOf2MbPages(pdptBase):
- s = ''
- for i in range(0x200):
- i = (
- pdptBase +
- (min(i, 0) << 12) +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def First4GbPageEntries(topAddress):
- PDE = PageDirectoryEntries4GbOf2MbPages(0L)
- pml4tBase = topAddress - 0x1000
- pdptBase = pml4tBase - 0x1000
- pdeBase = pdptBase - len(PDE)
- PDPT = PageDirectoryPointerTable4GbOf2MbPages(pdeBase)
- PML4T = PageMapLevel4Table4GbOf2MbPages(pdptBase)
- return PDE + PDPT + PML4T
-
- def AlignAndAddPageTables():
- d = open(sys.argv[1], 'rb').read()
- code = NopAlign4k(d)
- topAddress = 0x100000000 - len(code)
- d = ('\x90' * 4) + First4GbPageEntries(topAddress) + code
- f = open(sys.argv[1], 'wb')
- f.write(d)
- f.close()
-
- AlignAndAddPageTables()
-
+d = open(sys.argv[1], 'rb').read()
+c = ((len(d) + 4 + 7) & ~7) - 4
+if c > len(d):
+ c -= len(d)
+ f = open(sys.argv[1], 'wb')
+ f.write('\x90' * c)
+ f.write(d)
+ f.close()
|