patch-2.4.5 linux/arch/ppc/boot/utils/piggyback.c

• Lines: 70
• Date: Thu May 24 15:02:07 2001
• Orig file: v2.4.4/linux/arch/ppc/boot/utils/piggyback.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.4/linux/arch/ppc/boot/utils/piggyback.c linux/arch/ppc/boot/utils/piggyback.c
@@ -0,0 +1,69 @@
+/*
+ * BK Id: SCCS/s.piggyback.c 1.7 05/18/01 15:17:23 cort
+ */
+#include <stdio.h>
+#include <unistd.h>
+
+extern long ce_exec_config[];
+
+int main(int argc, char *argv[])
+{
+	int i, cnt, pos, len;
+	unsigned int cksum, val;
+	unsigned char *lp;
+	unsigned char buf[8192];
+	if (argc != 2)
+	{
+		fprintf(stderr, "usage: %s name <in-file >out-file\n",
+			argv[0]);
+		exit(1);
+	}
+	fprintf(stdout, "#\n");
+	fprintf(stdout, "# Miscellaneous data structures:\n");
+	fprintf(stdout, "# WARNING - this file is automatically generated!\n");
+	fprintf(stdout, "#\n");
+	fprintf(stdout, "\n");
+	fprintf(stdout, "\t.data\n");
+	fprintf(stdout, "\t.globl %s_data\n", argv[1]);
+	fprintf(stdout, "%s_data:\n", argv[1]);
+	pos = 0;
+	cksum = 0;
+	while ((len = read(0, buf, sizeof(buf))) > 0)
+	{
+		cnt = 0;
+		lp = (unsigned char *)buf;
+		len = (len + 3) & ~3;  /* Round up to longwords */
+		for (i = 0;  i < len;  i += 4)
+		{
+			if (cnt == 0)
+			{
+				fprintf(stdout, "\t.long\t");
+			}
+			fprintf(stdout, "0x%02X%02X%02X%02X", lp[0], lp[1], lp[2], lp[3]);
+			val = *(unsigned long *)lp;
+			cksum ^= val;
+			lp += 4;
+			if (++cnt == 4)
+			{
+				cnt = 0;
+				fprintf(stdout, " # %x \n", pos+i-12);
+				fflush(stdout);
+			} else
+			{
+				fprintf(stdout, ",");
+			}
+		}
+		if (cnt)
+		{
+			fprintf(stdout, "0\n");
+		}
+		pos += len;
+	}
+	fprintf(stdout, "\t.globl %s_len\n", argv[1]);
+	fprintf(stdout, "%s_len:\t.long\t0x%x\n", argv[1], pos);
+	fflush(stdout);
+	fclose(stdout);
+	fprintf(stderr, "cksum = %x\n", cksum);
+	exit(0);
+}
+