The enclosed patch adds hide= and unhide= commands.
diff -u -r grub-0.5.92/ChangeLog grub/ChangeLog
--- grub-0.5.92/ChangeLog Mon Jul 26 18:57:52 1999
+++ grub/ChangeLog Mon Aug 16 01:50:27 1999
@@ -1,3 +1,12 @@
+1999-08-16 Edward Killips <[EMAIL PROTECTED]>
+
+ * stage2/shared.h added define for HIDDEN added prototypes for
+ hide_partition and unhide_partiton
+
+ * stage2/cmdline.c added commands hide and unhide
+
+ * stage2/disk_io.c added hide_partition and unhide_partition
+
1999-07-15 Gordon Matzigkeit <[EMAIL PROTECTED]>
* docs/Makefile.am (grub.info): Use an ugly hack to downgrade
diff -u -r grub-0.5.92/stage2/cmdline.c grub/stage2/cmdline.c
--- grub-0.5.92/stage2/cmdline.c Thu Jul 15 07:22:18 1999
+++ grub/stage2/cmdline.c Tue Aug 17 13:28:08 1999
@@ -69,7 +69,8 @@
\"rootnoverify= <device>\", \"chainloader= <file>\", \"kernel= <file> ...\",
\"testload= <file>\", \"read= <addr>\", \"displaymem\", \"impsprobe\",
\"fstest\", \"debug\", \"module= <file> ...\", \"modulenounzip= <file> ...\",
- \"color= <normal> [<highlight>]\", \"makeactive\", \"boot\", \"quit\" and
+ \"color= <normal> [<highlight>]\", \"makeactive\", \"boot\", \"quit\",
+ \"hide= <partition>\", \"unhide= <partition>\" and
\"install= <stage1_file> [d] <dest_dev> <file> <addr> [p] [<config_file>]\"\n";
static void
@@ -633,6 +634,30 @@
{
debug = 1;
grub_printf (" Debug mode is turned on\n");
+ }
+ }
+ else if (substring ("hide", cur_heap) < 1)
+ {
+ char *pnumb;
+ int part;
+
+ pnumb = cur_cmdline;
+
+ if (safe_parse_maxint (&pnumb, &part))
+ {
+ hide_partition(part);
+ }
+ }
+ else if (substring ("unhide", cur_heap) < 1)
+ {
+ char *pnumb;
+ int part;
+
+ pnumb = cur_cmdline;
+
+ if (safe_parse_maxint (&pnumb, &part))
+ {
+ unhide_partition(part);
}
}
else if (substring ("color", cur_heap) < 1)
diff -u -r grub-0.5.92/stage2/disk_io.c grub/stage2/disk_io.c
--- grub-0.5.92/stage2/disk_io.c Fri Jun 25 06:24:46 1999
+++ grub/stage2/disk_io.c Tue Aug 17 13:30:19 1999
@@ -267,6 +267,63 @@
#endif
}
+#ifndef STAGE1_5
+int unhide_partition(int part)
+{
+ if (saved_drive)
+ {
+ if (part > 3)
+ {
+ errnum = ERR_NO_PART;
+ return 0;
+ }
+ if (!rawread (saved_drive, 0, 0, SECTOR_SIZE, (char *) SCRATCHADDR))
+ return 0;
+
+ if ((PC_SLICE_TYPE (SCRATCHADDR, part) & HIDDEN) == HIDDEN)
+ {
+ PC_SLICE_TYPE (SCRATCHADDR, part) ^= HIDDEN;
+ buf_track=-1;
+ if (biosdisk(BIOSDISK_WRITE, saved_drive, &buf_geom,
+ 0, 1, SCRATCHSEG))
+ {
+ errnum = ERR_WRITE;
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+#endif /* STAGE1_5 */
+
+
+#ifndef STAGE1_5
+int hide_partition(int part)
+{
+ if (saved_drive)
+ {
+ if (part > 3)
+ {
+ errnum = ERR_NO_PART;
+ return 0;
+ }
+ if (!rawread (saved_drive, 0, 0, SECTOR_SIZE, (char *) SCRATCHADDR))
+ return 0;
+ if ((PC_SLICE_TYPE (SCRATCHADDR, part) & HIDDEN) != HIDDEN)
+ {
+ PC_SLICE_TYPE (SCRATCHADDR, part) |= HIDDEN;
+ buf_track=-1;
+ if (biosdisk(BIOSDISK_WRITE, saved_drive, &buf_geom,
+ 0, 1, SCRATCHSEG))
+ {
+ errnum = ERR_WRITE;
+ return 0;
+ }
+ }
+ }
+ return 1;
+}
+#endif /* STAGE1_5 */
#ifndef STAGE1_5
int
@@ -289,7 +346,7 @@
{
int i;
- for (i = 0; i < 4; i++)
+ for (i = 0; i < 4; i++)
PC_SLICE_FLAG (SCRATCHADDR, i) = 0;
PC_SLICE_FLAG (SCRATCHADDR, part) = PC_SLICE_FLAG_BOOTABLE;
diff -u -r grub-0.5.92/stage2/shared.h grub/stage2/shared.h
--- grub-0.5.92/stage2/shared.h Tue Jul 13 11:46:28 1999
+++ grub/stage2/shared.h Tue Aug 17 13:29:13 1999
@@ -33,6 +33,8 @@
# define RAW_SEG(x) x
#endif
+#define HIDDEN 0x10
+
/*
* Integer sizes
*/
@@ -540,6 +542,12 @@
/* Sets device to the one represented by the SAVED_* parameters. */
int make_saved_active (void);
+
+/* Hide partition */
+int hide_partition(int partition);
+
+/* Unhide partition. */
+int unhide_partition(int partition);
/* Open a file or directory on the active device, using GRUB's
internal filesystem support. */
