\r
#------------------------------------------------------------------------------\r
#*\r
-#* Copyright 2008 - 2009, Intel Corporation\r
-#* All rights reserved. This program and the accompanying materials\r
+#* Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>\r
+#* This program and the accompanying materials\r
#* are licensed and made available under the terms and conditions of the BSD License\r
#* which accompanies this distribution. The full text of the license may be found at\r
#* http://opensource.org/licenses/bsd-license.php\r
#; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;\r
movq %dr7, %rax\r
pushq %rax\r
-#; clear Dr7 while executing debugger itself\r
- xorq %rax, %rax\r
- movq %rax, %dr7\r
-\r
movq %dr6, %rax\r
pushq %rax\r
-#; insure all status bits in dr6 are clear...\r
- xorq %rax, %rax\r
- movq %rax, %dr6\r
-\r
movq %dr3, %rax\r
pushq %rax\r
movq %dr2, %rax\r
addq $512, %rsp\r
\r
#; UINT64 Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;\r
- popq %rax\r
- movq %rax, %dr0\r
- popq %rax\r
- movq %rax, %dr1\r
- popq %rax\r
- movq %rax, %dr2\r
- popq %rax\r
- movq %rax, %dr3\r
-#; skip restore of dr6. We cleared dr6 during the context save.\r
- addq $8, %rsp\r
- popq %rax\r
- movq %rax, %dr7\r
+#; Skip restoration of DRx registers to support in-circuit emualators\r
+#; or debuggers set breakpoint in interrupt/exception context\r
+ addq $48, %rsp\r
\r
#; UINT64 Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;\r
popq %rax\r