- backport "menu hidden" support from upstream git

This commit is contained in:
Jeremy Katz 2007-08-14 17:46:34 +00:00
parent ad2fd82b88
commit d8c002f1a6
2 changed files with 169 additions and 1 deletions

163
syslinux-hiddenmenu.patch Normal file
View File

@ -0,0 +1,163 @@
diff -up syslinux-3.36/com32/lib/sys/ansicon_write.c.hidden syslinux-3.36/com32/lib/sys/ansicon_write.c
--- syslinux-3.36/com32/lib/sys/ansicon_write.c.hidden 2007-02-10 15:47:07.000000000 -0500
+++ syslinux-3.36/com32/lib/sys/ansicon_write.c 2007-08-14 13:20:46.000000000 -0400
@@ -88,15 +88,15 @@ int __ansicon_open(struct file_info *fp)
if ( (signed char)oreg.ebx.b[1] < 0 ) {
ti.disabled = 1;
} else {
+ /* Force text mode */
+ ireg.eax.w[0] = 0x0005;
+ __intcall(0x22, &ireg, NULL);
+
/* Initial state */
ti.rows = BIOS_ROWS ? BIOS_ROWS+1 : 25;
ti.cols = BIOS_COLS;
__ansi_init(&ti);
- /* Force text mode */
- ireg.eax.w[0] = 0x0005;
- __intcall(0x22, &ireg, NULL);
-
/* Get cursor shape and position */
ireg.eax.b[1] = 0x03;
ireg.ebx.b[1] = BIOS_PAGE;
diff -up syslinux-3.36/com32/modules/menu.h.hidden syslinux-3.36/com32/modules/menu.h
--- syslinux-3.36/com32/modules/menu.h.hidden 2007-02-10 15:47:08.000000000 -0500
+++ syslinux-3.36/com32/modules/menu.h 2007-08-14 13:20:46.000000000 -0400
@@ -56,6 +56,7 @@ extern int defentry;
extern int allowedit;
extern int timeout;
extern int shiftkey;
+extern int hiddenmenu;
extern long long totaltimeout;
extern char *menu_title;
diff -up syslinux-3.36/com32/modules/menumain.c.hidden syslinux-3.36/com32/modules/menumain.c
--- syslinux-3.36/com32/modules/menumain.c.hidden 2007-02-10 15:47:08.000000000 -0500
+++ syslinux-3.36/com32/modules/menumain.c 2007-08-14 13:41:18.000000000 -0400
@@ -90,6 +90,7 @@ struct menu_parameter mparm[] = {
{ "endrow", -1 },
{ "passwordrow", 11 },
{ "timeoutrow", 20 },
+ { "hiddenrow", -2 },
{ NULL, 0 }
};
@@ -102,6 +103,7 @@ struct menu_parameter mparm[] = {
#define END_ROW mparm[6].value
#define PASSWD_ROW mparm[7].value
#define TIMEOUT_ROW mparm[8].value
+#define HIDDEN_ROW mparm[9].value
static void
install_default_color_table(void)
@@ -561,6 +563,61 @@ shift_is_held(void)
return !!(shift_bits & 0x5d); /* Caps/Scroll/Alt/Shift */
}
+static void
+print_timeout_message(int tol, int row, const char *msg)
+{
+#define HSHIFT 0
+ char buf[256];
+ int nc = 0, nnc;
+ const char *tp = msg;
+ char tc;
+ char *tq = buf;
+
+ while ((size_t)(tq-buf) < (sizeof buf-16) && (tc = *tp)) {
+ if (tc == '#') {
+ nnc = sprintf(tq, "%d", tol);
+ tq += nnc;
+ nc += nnc-8; /* 8 formatting characters */
+ } else {
+ *tq++ = tc;
+ nc++;
+ }
+ tp++;
+ }
+ *tq = '\0';
+
+ printf("\033[%d;%dH\2 %s ", row, HSHIFT+1+((WIDTH-nc-2)>>1), buf);
+}
+
+static const char *
+do_hidden_menu(void)
+{
+ int key;
+ int timeout_left, this_timeout;
+
+ clear_screen();
+
+ if ( !setjmp(timeout_jump) ) {
+ timeout_left = timeout;
+
+ while (!timeout || timeout_left) {
+ int tol = timeout_left/CLK_TCK;
+
+ print_timeout_message(tol, HIDDEN_ROW, " Automatic boot in # seconds ");
+
+ this_timeout = min(timeout_left, CLK_TCK);
+ key = mygetkey(this_timeout);
+
+ if (key != KEY_NONE)
+ return NULL; /* Key pressed */
+
+ timeout_left -= this_timeout;
+ }
+ }
+
+ return menu_entries[defentry].cmdline; /* Default entry */
+}
+
static const char *
run_menu(void)
{
@@ -580,6 +637,18 @@ run_menu(void)
return menu_entries[defentry].cmdline;
}
+ /* Handle hiddenmenu */
+ if ( hiddenmenu ) {
+ cmdline = do_hidden_menu();
+ if (cmdline)
+ return cmdline;
+
+ /* Otherwise display the menu now; the timeout has already been
+ cancelled, since the user pressed a key. */
+ hiddenmenu = 0;
+ key_timeout = 0;
+ }
+
/* Handle both local and global timeout */
if ( setjmp(timeout_jump) ) {
entry = defentry;
@@ -632,7 +701,7 @@ run_menu(void)
int tol = timeout_left/CLK_TCK;
int nc = snprintf(NULL, 0, " Automatic boot in %d seconds ", tol);
printf("\033[%d;%dH\1#14 Automatic boot in \1#15%d\1#14 seconds ",
- TIMEOUT_ROW, 1+((WIDTH-nc)>>1), tol);
+ TIMEOUT_ROW, 1+((WIDTH-nc)>>1), tol);
to_clear = 1;
} else {
to_clear = 0;
diff -up syslinux-3.36/com32/modules/readconfig.c.hidden syslinux-3.36/com32/modules/readconfig.c
--- syslinux-3.36/com32/modules/readconfig.c.hidden 2007-02-10 15:47:08.000000000 -0500
+++ syslinux-3.36/com32/modules/readconfig.c 2007-08-14 13:21:22.000000000 -0400
@@ -30,6 +30,7 @@ int defentry = 0;
int allowedit = 1; /* Allow edits of the command line */
int timeout = 0;
int shiftkey = 0; /* Only display menu if shift key pressed */
+int hiddenmenu = 0;
long long totaltimeout = 0;
char *menu_title = "";
@@ -417,6 +418,8 @@ static void parse_config_file(FILE *f)
if (menu_background)
free(menu_background);
menu_background = dup_word(&p);
+ } else if ( (ep = looking_at(p, "hidden")) ) {
+ hiddenmenu = 1;
} else if ((ep = looking_at(p, "color")) ||
(ep = looking_at(p, "colour"))) {
int i;

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@ -2,13 +2,14 @@ Summary: Simple kernel loader which boots from a FAT filesystem
Name: syslinux
Version: 3.36
%define tarball_version 3.36
Release: 4%{?dist}
Release: 5%{?dist}
License: GPL
Group: Applications/System
Source0: ftp://ftp.kernel.org/pub/linux/utils/boot/syslinux/%{name}-%{tarball_version}.tar.bz2
Patch0: syslinux-2.08-x86_64.patch
Patch3: syslinux-3.36.patch
Patch4: syslinux-3.36-16bpp.patch
Patch5: syslinux-hiddenmenu.patch
ExclusiveArch: i386 x86_64
Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
BuildRequires: nasm >= 0.98.38-1, perl, netpbm-progs
@ -38,6 +39,7 @@ MEMDISK, which loads legacy operating systems from these media.
%patch0 -p1 -b .x86_64
%patch3 -p1
%patch4 -p1
%patch5 -p1
%build
CFLAGS="-Werror -Wno-unused -finline-limit=2000"
@ -95,6 +97,9 @@ rm -rf %{buildroot}
%{_prefix}/lib/syslinux/com32
%changelog
* Tue Aug 14 2007 Jeremy Katz <katzj@redhat.com> - 3.36-5
- backport "menu hidden" support from upstream git
* Fri May 4 2007 Jeremy Katz <katzj@redhat.com> - 3.36-4
- switch to preferring 16bpp for graphical menu; this fixes the display for
qemu, kvm, etc