tools: add a raw2mgt too for SAM kernel building

diff --git a/Kernel/tools/raw2mgt.c b/Kernel/tools/raw2mgt.c
new file mode 100644 (file)
index 0000000..32dae56
--- /dev/null
+++ b/Kernel/tools/raw2mgt.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Turn a raw image into an MGT file. Our input is ordered head/track/sector
+   and we want it track/head/sector - which is a pain to work with using dd
+   hence we post convert */
+
+int main(int argc, char *argv[])
+{
+    FILE *in, *out;
+    unsigned char buf[5120];
+    int track;
+
+    if (argc != 3) {
+        fprintf(stderr, "%s: source dest.\n", argv[0]);
+        exit(1);
+    }
+
+    in = fopen(argv[1], "r");
+    if (in == NULL) {
+        perror(argv[1]);
+        exit(1);
+    }
+    out =  fopen(argv[2], "w");
+    if (out == NULL) {
+        perror(argv[2]);
+        exit(1);
+    }
+
+    for (track = 0; track < 80; track++) {
+        if (fseek(in, track * 5120L, 0) == -1) {
+            perror(argv[1]);
+            exit(1);
+        }
+        if (fread(buf, 5120, 1, in) != 1) {
+            perror(argv[1]);
+            exit(1);
+        }
+        if (fwrite(buf, 5120, 1, out) != 1) {
+            perror(argv[2]);
+            exit(1);
+        }
+        if (fseek(in, (80 + track) * 5120L, 0) == -1) {
+            perror(argv[1]);
+            exit(1);
+        }
+        if (fread(buf, 5120, 1, in) != 1) {
+            perror(argv[1]);
+            exit(1);
+        }
+        if (fwrite(buf, 5120, 1, out) != 1) {
+            perror(argv[2]);
+            exit(1);
+        }
+    }
+    if (fclose(in)) {
+        perror(argv[1]);
+        exit(1);
+    }
+    if (fclose(out)) {
+        perror(argv[2]);
+        exit(1);
+    }
+    exit(0);
+}