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diff --git a/debugger/system_routine/test.g4a b/debugger/system_routine/test.g4a
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--- a/debugger/system_routine/test.g4a
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-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- * Ben Widawsky <ben@bwidawsk.net>
- *
- */
-
-#include "debug.h"
-
-#define CR0_0_ME_STATE_CTRL (1 << 31)
-#define CR0_0_BP_SUPPRESS (1 << 15)
-#define CR0_0_SPF_EN (1 << 2)
-#define CR0_0_ACC_DIS (1 << 1)
-#define CR0_1_BES_CTRL (1 << 31)
-#define CR0_1_HALT_CTRL (1 << 30)
-#define CR0_1_SOFT_EXCEPTION_CTRL (1 << 29)
-#define CR0_1_ILLGL_OP_STS (1 << 28)
-#define CR0_1_STACK_OVRFLW_STS (1 << 27)
-
-#define CR0_0_ENTRY_UNMASK (CR0_0_SPF_EN | CR0_0_ACC_DIS)
-// TODO: Need to fix this for non breakpoint case
-#define CR0_1_ENTRY_UNMASK ~(CR0_1_BES_CTRL)
-#define CR0_0_RETURN_MASK ~(CR0_0_ME_STATE_CTRL | CR0_0_SPF_EN | CR0_0_ACC_DIS)
-
-#ifndef SANDYBRIDGE
- #error Only SandyBridge is supported
-#endif
-
-/* Default flags for an instruction */
-#define FLAGS { ALIGN1, SWITCH, MASK_DISABLE, ACCWRCTRL}
-
-Enter:
- nop;
-
- or (1) cr0.0 cr0.0 CR0_0_ENTRY_UNMASK:ud FLAGS;
-
- /* Clear breakpoint status */
- and (1) cr0.1 cr0.1 CR0_1_ENTRY_UNMASK:ud FLAGS;
-
- /* set breakpoint suppress this should be conditional on bes */
- or (1) cr0.0 cr0.0 CR0_0_BP_SUPPRESS:ud FLAGS;
-
- and (1) cr0.0 cr0.0 CR0_0_RETURN_MASK:ud FLAGS;
- nop;