Sophie

Sophie

distrib > Scientific%20Linux > 5x > x86_64 > by-pkgid > 9d9a919ae2020b7db67a2e898727cafc > files > 27

grub-0.97-13.10.el5.src.rpm

diff --git a/stage2/boot.c b/stage2/boot.c
index bf442e1..a6872e0 100644
--- a/stage2/boot.c
+++ b/stage2/boot.c
@@ -241,6 +241,7 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
 	    }
 
 	  if (lh->version >= 0x0202)
+	    /* version 0x0202 and higher can handle 4096 */
 	    lh->cmd_line_ptr = linux_data_real_addr + LINUX_CL_OFFSET;
 	  else
 	    {
@@ -403,8 +404,10 @@ load_image (char *kernel, char *arg, kernel_t suggested_type,
 	  {
 	    char *src = skip_to (0, arg);
 	    char *dest = linux_data_tmp_addr + LINUX_CL_OFFSET;
-	
-	    while (dest < linux_data_tmp_addr + LINUX_CL_END_OFFSET && *src)
+            unsigned long cl_end_offset = lh->version < 0x0202 ? 
+                LINUX_CL_END_OFFSET : LINUX_CL_END_OFFSET_202;
+
+	    while (dest < linux_data_tmp_addr + cl_end_offset && *src)
 	      *(dest++) = *(src++);
 	
 	    /* Old Linux kernels have problems determining the amount of
diff --git a/stage2/shared.h b/stage2/shared.h
index d05644b..c052480 100644
--- a/stage2/shared.h
+++ b/stage2/shared.h
@@ -160,10 +160,13 @@ extern void *grub_scratch_mem;
 #define LINUX_VID_MODE_ASK		0xFFFD
 
 #define LINUX_CL_OFFSET			0x9000
-#define LINUX_CL_END_OFFSET		0x90FF
-#define LINUX_SETUP_MOVE_SIZE		0x9100
 #define LINUX_CL_MAGIC			0xA33F
 
+#define LINUX_CL_END_OFFSET		0x90FF
+#define LINUX_CL_END_OFFSET_202		0x9FFF /* version 0x0202 or higher */
+#define LINUX_SETUP_MOVE_SIZE		0xA000 /* where am I putting it? */
+
+
 /*
  *  General disk stuff
  */