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// A simple utility to read and embed the MSR drivers for X86
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <vector>
#include <string>
using namespace std;
char* images[2];
int sizes[2];
const char* filenames[] = { "TmpRdr.sys", "TmpRdr64.sys" };
vector<string> source;
bool read_image(const char* drivers_root, const char* filename, char*& image, int& isize)
{
char fn[512];
sprintf(fn, "%s\\%s", drivers_root, filename);
FILE* f = fopen(fn, "rb");
if (!f) return false;
fseek(f, 0, SEEK_END);
long size = ftell(f);
isize = (int) size;
rewind(f);
image = new char[size];
fread(image, 1, size, f);
fclose(f);
return true;
}
bool read_source(const char* filename)
{
source.clear();
FILE* f = fopen(filename, "rt");
if (!f) return false;
char line[200];
while (fgets(line, sizeof(line), f)) {
int i = (int) strlen(line);
if (i && line[i - 1] == '\n') line[--i] = 0;
source.push_back(string(line));
}
fclose(f);
return true;
}
void print_image(FILE* f, const char* arch, const char* image, int size)
{
fprintf(f, "int cc_%sdriver_code_size = %d;\n", arch, size);
fprintf(f, "uint8_t cc_%sdriver_code[%d] = {", arch, size);
for (int i = 0; i < size; i++) {
if (i % 18 == 0) fprintf(f, "\n\t");
fprintf(f, "0x%02x,", (unsigned) (unsigned char) image[i]);
}
fprintf(f, "\n};\n");
}
int main(int argc, char** argv)
{
if (argc < 3) {
printf("%s DRIVER_ROOT_FOLDER SOURCE_FILE\n", argv[0]);
return 1;
}
const char* drivers_root = argv[1];
const char* sourcefile = argv[2];
for (int i = 0; i < 2; i++)
if (!read_image(drivers_root, filenames[i], images[i], sizes[i])) {
printf("Cannot read image `%s' from `%s'!\n", filenames[i], drivers_root);
return -1;
}
if (!read_source(sourcefile)) {
printf("Cannot read source `%s'\n", sourcefile);
return -2;
}
FILE* f = fopen(sourcefile, "wt");
bool on = true;
for (unsigned i = 0; i < source.size(); i++) {
if (source[i] == "//} end")
on = true;
if (on) fprintf(f, "%s\n", source[i].c_str());
if (source[i] == "//begin {") {
on = false;
print_image(f, "x86", images[0], sizes[0]);
print_image(f, "x64", images[1], sizes[1]);
}
}
return 0;
}
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