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74 lines
2.6 KiB
74 lines
2.6 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*! @file
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* An example of SMC application.
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*/
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#include "smc_util.h"
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#include "../Utils/sys_memory.h"
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#include <stdio.h>
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/*!
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* Exit with the specified error message
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*/
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static void Abort(string msg)
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{
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fprintf (stderr, "%s\n", msg.c_str());
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exit(1);
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}
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/*!
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* The main procedure of the application.
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*/
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int main(int argc, char *argv[])
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{
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fprintf (stderr, "SMC in the image of the application\n");
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// buffer to move foo routines into and execute
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static char staticBuffer1[PI_FUNC::MAX_SIZE];
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static char staticBuffer2[PI_FUNC::MAX_SIZE];
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static char staticBuffer3[PI_FUNC::MAX_SIZE];
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// Set read-write-execute protection for the buffer
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size_t pageSize = GetPageSize();
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char * firstPage1 = (char *)(((size_t)staticBuffer1) & ~(pageSize - 1));
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char * endPage1 = (char *)(((size_t)staticBuffer1 + sizeof(staticBuffer1) + pageSize - 1) & ~(pageSize - 1));
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char *firstPage2 = (char *)(((size_t)staticBuffer2) & ~(pageSize - 1));
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char * endPage2 = (char *)(((size_t)staticBuffer2 + sizeof(staticBuffer2) + pageSize - 1) & ~(pageSize - 1));
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char *firstPage3 = (char *)(((size_t)staticBuffer3) & ~(pageSize - 1));
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char * endPage3 = (char *)(((size_t)staticBuffer3 + sizeof(staticBuffer3) + pageSize - 1) & ~(pageSize - 1));
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if (!MemProtect(firstPage1, endPage1 - firstPage1, MEM_READ_WRITE_EXEC)) {Abort("MemProtect failed");}
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if (!MemProtect(firstPage2, endPage2 - firstPage2, MEM_READ_WRITE_EXEC)) {Abort("MemProtect failed");}
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if (!MemProtect(firstPage3, endPage3 - firstPage3, MEM_READ_WRITE_EXEC)) {Abort("MemProtect failed");}
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int printed = 0;
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FOO_FUNC fooFunc;
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FILE *fp = fopen ("smcapp3_a.out", "w");
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fprintf (fp, "%p\n", staticBuffer1);
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fclose(fp);
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fooFunc.Copy(staticBuffer1).Execute().AssertStatus();
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fp = fopen ("smcapp3_b.out", "w");
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fprintf (fp, "%p\n", staticBuffer2);
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fclose(fp);
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fooFunc.Copy(staticBuffer2).Execute().AssertStatus();
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fooFunc.Copy(staticBuffer3).Execute().AssertStatus();
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return 0;
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}
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/* ===================================================================== */
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/* eof */
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/* ===================================================================== */
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