summaryrefslogtreecommitdiff
path: root/sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch
diff options
context:
space:
mode:
authorBlackNoxis <steven.darklight@gmail.com>2014-02-15 23:24:26 +0200
committerBlackNoxis <steven.darklight@gmail.com>2014-02-15 23:24:26 +0200
commit7224c1253228e5c29c78cb3f0f26ce34770f2356 (patch)
tree1684924656132935256e034f35f92abee6623265 /sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch
Added ebuilds for kogaion desktop
Diffstat (limited to 'sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch')
-rw-r--r--sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch1003
1 files changed, 1003 insertions, 0 deletions
diff --git a/sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch b/sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch
new file mode 100644
index 00000000..7921fc82
--- /dev/null
+++ b/sys-boot/grub/files/grub-0.97-gfxmenu-v8.patch
@@ -0,0 +1,1003 @@
+diff -Nurp grub-0.97.orig/docs/grub.texi grub-0.97/docs/grub.texi
+--- grub-0.97.orig/docs/grub.texi 2009-08-03 16:25:36.636294219 +0200
++++ grub-0.97/docs/grub.texi 2009-08-03 16:25:52.207398764 +0200
+@@ -2118,6 +2118,7 @@ These commands can only be used in the m
+ * default:: Set the default entry
+ * fallback:: Set the fallback entry
+ * hiddenmenu:: Hide the menu interface
++* gfxmenu:: Use graphical menu interface
+ * timeout:: Set the timeout
+ * title:: Start a menu entry
+ @end menu
+@@ -2150,6 +2151,15 @@ fallback entry numbers.
+ @end deffn
+
+
++@node gfxmenu
++@subsection gfxmenu
++
++@deffn Command gfxmenu file
++Use the graphical menu interface. The graphics data are taken from
++@var{file} and must be created using 'mkbootmsg' from the gfxboot package.
++@end deffn
++
++
+ @node hiddenmenu
+ @subsection hiddenmenu
+
+diff -Nurp grub-0.97.orig/grub/asmstub.c grub-0.97/grub/asmstub.c
+--- grub-0.97.orig/grub/asmstub.c 2009-08-03 16:25:36.483169221 +0200
++++ grub-0.97/grub/asmstub.c 2009-08-03 16:25:52.217342924 +0200
+@@ -480,6 +480,32 @@ set_vbe_mode (int mode_number)
+ return 0;
+ }
+
++/* graphical menu functions . */
++int
++gfx_init (gfx_data_t *gfx_data)
++{
++ return 0;
++}
++
++int
++gfx_done (gfx_data_t *gfx_data)
++{
++ return 0;
++}
++
++int
++gfx_input (gfx_data_t *gfx_data, int *menu_entry)
++{
++ return 0;
++}
++
++int
++gfx_setup_menu (gfx_data_t *gfx_data)
++{
++ return 0;
++}
++
++
+ /* low-level timing info */
+ int
+ getrtsecs (void)
+diff -Nurp grub-0.97.orig/stage2/asm.S grub-0.97/stage2/asm.S
+--- grub-0.97.orig/stage2/asm.S 2004-06-19 18:55:22.000000000 +0200
++++ grub-0.97/stage2/asm.S 2009-08-03 16:25:52.218406926 +0200
+@@ -1610,6 +1610,286 @@ ENTRY(set_vbe_mode)
+ popl %ebp
+ ret
+
++
++/*
++ * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
++ *
++ * graphical menu functions
++ *
++ */
++
++/*
++ * int gfx_init (gfx_data_t *gfx_data)
++ *
++ * init gfx things
++ *
++ * return vales:
++ * 0: ok
++ * 1: failed
++ * sets gfx_data->ok
++ */
++
++ENTRY(gfx_init)
++ pushl %ebp
++ movl %esp, %ebp
++
++ pushl %edi
++ pushl %esi
++ pushl %ebx
++
++ movl 8(%ebp),%edx
++ movl %edx,%edi
++ leal gfx_ofs_sys_cfg(%edx),%esi
++ andl $0xf,%edi
++ shrl $4,%edx
++
++ pushl %ebp
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ pushw %ds
++ movw %dx,%ds
++
++ lcall *gfx_ofs_jmp_table + 4 * 0 (%di)
++
++ sbbl %ebx,%ebx
++ negl %ebx
++
++ popw %ds
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ popl %ebp
++
++ movl %ebx,%eax
++ xorl $1,%ebx
++ movl 8(%ebp),%edx
++ movl %ebx,gfx_ofs_ok(%edx)
++
++ popl %ebx
++ popl %esi
++ popl %edi
++
++ popl %ebp
++ ret
++
++
++/*
++ * int gfx_done (gfx_data_t *gfx_data)
++ *
++ * shut down gfx things
++ *
++ * return vales:
++ * always 0
++ * sets gfx_data->ok
++ */
++
++ENTRY(gfx_done)
++ pushl %ebp
++ movl %esp, %ebp
++
++ pushl %edi
++ pushl %esi
++ pushl %ebx
++
++ movl 8(%ebp),%edx
++ movl %edx,%ebx
++ andl $0xf,%ebx
++ shrl $4,%edx
++
++ pushl %ebp
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ pushw %ds
++
++ movw %dx,%ds
++
++ lcall *gfx_ofs_jmp_table + 4 * 1 (%bx)
++
++ popw %ds
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ popl %ebp
++
++ xorl %eax,%eax
++ movl 8(%ebp),%edx
++ movl %eax,gfx_ofs_ok(%edx)
++
++ popl %ebx
++ popl %esi
++ popl %edi
++
++ popl %ebp
++ ret
++
++
++/*
++ * int gfx_input (gfx_data_t *gfx_data, int *menu_entry)
++ *
++ * let user enter a command line
++ *
++ * uses gfx_data->cmdline as buffer
++ *
++ * return values:
++ * 1: abort
++ * 2: boot
++ * menu_entry: selected entry
++ */
++
++ENTRY(gfx_input)
++ pushl %ebp
++ movl %esp, %ebp
++
++ pushl %edi
++ pushl %esi
++ pushl %ebx
++
++ movl 8(%ebp),%edx
++ movl %edx,%ebx
++ leal gfx_ofs_sys_cfg(%edx),%esi
++ andl $0xf,%ebx
++ shrl $4,%edx
++
++ pushl %ebp
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ pushw %ds
++
++ movw %dx,%ds
++
++ movl gfx_ofs_cmdline(%bx),%edi
++ movl gfx_ofs_cmdline_len(%bx),%ecx
++ movl gfx_ofs_timeout(%bx),%eax
++ imull $18,%eax
++
++ lcall *gfx_ofs_jmp_table + 4 * 2 (%bx)
++
++ movl %eax,%ecx
++
++ popw %ds
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ popl %ebp
++
++ movl 12(%ebp),%edx
++ movl %ebx,(%edx)
++
++ movl %ecx,%eax
++
++ popl %ebx
++ popl %esi
++ popl %edi
++
++ popl %ebp
++ ret
++
++
++/*
++ * int gfx_setup_menu (gfx_data_t *gfx_data)
++ *
++ * draw boot menu
++ *
++ * return values:
++ * always 0
++ */
++
++/* menu entry descriptor */
++#define menu_entries 0
++#define menu_default 2 /* seg:ofs */
++#define menu_ent_list 6 /* seg:ofs */
++#define menu_ent_size 10
++#define menu_arg_list 12 /* seg:ofs */
++#define menu_arg_size 16
++#define sizeof_menu_desc 18
++
++ENTRY(gfx_setup_menu)
++ pushl %ebp
++ movl %esp, %ebp
++
++ pushl %edi
++ pushl %esi
++ pushl %ebx
++
++ movl 8(%ebp),%edx
++ movl %edx,%ebx
++ andl $0xf,%ebx
++ shrl $4,%edx
++
++ call EXT_C(prot_to_real)
++ .code16
++
++ pushw %ds
++
++ movw %dx,%ds
++ shll $4,%edx
++
++ subw $sizeof_menu_desc,%sp
++ movw %esp,%ebp
++
++ movl gfx_ofs_menu_entries(%bx),%eax
++ movw %ax,menu_entries(%bp)
++
++ movl gfx_ofs_menu_default_entry(%bx),%eax
++ subl %edx,%eax
++ movw %ax,menu_default(%bp)
++ movw %ds,menu_default+2(%bp)
++
++ movl gfx_ofs_menu_list(%bx),%eax
++ subl %edx,%eax
++ movw %ax,menu_ent_list(%bp)
++ movw %ds,menu_ent_list+2(%bp)
++
++ movl gfx_ofs_menu_entry_len(%bx),%eax
++ movw %ax,menu_ent_size(%bp)
++
++ movl gfx_ofs_args_list(%bx),%eax
++ subl %edx,%eax
++ movw %ax,menu_arg_list(%bp)
++ movw %ds,menu_arg_list+2(%bp)
++
++ movl gfx_ofs_args_entry_len(%bx),%eax
++ movw %ax,menu_arg_size(%bp)
++
++ movl %ss,%esi
++ shll $4,%esi
++ addl %ebp,%esi
++
++ lcall %ds: *gfx_ofs_jmp_table + 4 * 3 (%bx)
++
++ addw $sizeof_menu_desc,%sp
++
++ popw %ds
++
++ DATA32 call EXT_C(real_to_prot)
++ .code32
++
++ xorl %eax,%eax
++
++ popl %ebx
++ popl %esi
++ popl %edi
++
++ popl %ebp
++ ret
++
++
++/*
++ *
++ * end graphics stuff
++ *
++ * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
++ */
++
+
+ /*
+ * gateA20(int linear)
+diff -Nurp grub-0.97.orig/stage2/builtins.c grub-0.97/stage2/builtins.c
+--- grub-0.97.orig/stage2/builtins.c 2009-08-03 16:25:36.601273171 +0200
++++ grub-0.97/stage2/builtins.c 2009-08-03 16:25:52.219523396 +0200
+@@ -67,6 +67,8 @@ int fallback_entryno;
+ int fallback_entries[MAX_FALLBACK_ENTRIES];
+ /* The number of current entry. */
+ int current_entryno;
++/* graphics file */
++char graphics_file[64];
+ /* The address for Multiboot command-line buffer. */
+ static char *mb_cmdline;
+ /* The password. */
+@@ -1335,6 +1337,26 @@ static struct builtin builtin_fstest =
+ };
+
+
++/* graphics */
++static int
++gfxmenu_func (char *arg, int flags)
++{
++ memmove(graphics_file, arg, sizeof graphics_file - 1);
++ graphics_file[sizeof graphics_file - 1] = 0;
++
++ return 0;
++}
++
++static struct builtin builtin_gfxmenu =
++{
++ "gfxmenu",
++ gfxmenu_func,
++ BUILTIN_MENU | BUILTIN_HELP_LIST,
++ "gfxmenu FILE",
++ "Use the graphical menu from FILE."
++};
++
++
+ /* geometry */
+ static int
+ geometry_func (char *arg, int flags)
+@@ -4989,6 +5011,7 @@ struct builtin *builtin_table[] =
+ &builtin_find,
+ &builtin_fstest,
+ &builtin_geometry,
++ &builtin_gfxmenu,
+ &builtin_halt,
+ &builtin_help,
+ &builtin_hiddenmenu,
+diff -Nurp grub-0.97.orig/stage2/shared.h grub-0.97/stage2/shared.h
+--- grub-0.97.orig/stage2/shared.h 2004-06-19 18:40:09.000000000 +0200
++++ grub-0.97/stage2/shared.h 2009-08-03 16:25:52.219523396 +0200
+@@ -374,6 +374,22 @@ extern char *grub_scratch_mem;
+ #endif /* WITHOUT_LIBC_STUBS */
+
+
++/* see typedef gfx_data_t below */
++#define gfx_ofs_ok 0x00
++#define gfx_ofs_code_seg 0x04
++#define gfx_ofs_jmp_table 0x08
++#define gfx_ofs_sys_cfg 0x38
++#define gfx_ofs_cmdline 0x6c
++#define gfx_ofs_cmdline_len 0x70
++#define gfx_ofs_menu_list 0x74
++#define gfx_ofs_menu_default_entry 0x78
++#define gfx_ofs_menu_entries 0x7c
++#define gfx_ofs_menu_entry_len 0x80
++#define gfx_ofs_args_list 0x84
++#define gfx_ofs_args_entry_len 0x88
++#define gfx_ofs_timeout 0x8c
++
++
+ #ifndef ASM_FILE
+ /*
+ * Below this should be ONLY defines and other constructs for C code.
+@@ -595,6 +611,38 @@ extern int fallback_entryno;
+ extern int default_entry;
+ extern int current_entryno;
+
++
++/*
++ * graphics menu stuff
++ *
++ * Note: gfx_data and all data referred to in it must lie within a 64k area.
++ */
++typedef struct {
++ unsigned ok; /* set while we're in graphics mode */
++ unsigned code_seg; /* code segment of binary graphics code */
++ unsigned jmp_table[12]; /* link to graphics functions */
++ unsigned char sys_cfg[52]; /* sys_cfg[0]: identifies boot loader (grub == 2) */
++ char *cmdline; /* command line returned by gfx_input() */
++ unsigned cmdline_len; /* length of the above */
++ char *menu_list; /* list of menu entries, each of fixed length (menu_entry_len) */
++ char *menu_default_entry; /* the default entry */
++ unsigned menu_entries; /* number of entries in menu_list */
++ unsigned menu_entry_len; /* one entry */
++ char *args_list; /* same structure as menu_list, menu_entries entries */
++ unsigned args_entry_len; /* one entry */
++ unsigned timeout; /* in seconds (0: no timeout) */
++} __attribute__ ((packed)) gfx_data_t;
++
++extern gfx_data_t *graphics_data;
++
++/* pointer to graphics image data */
++extern char graphics_file[64];
++
++int gfx_init(gfx_data_t *gfx_data);
++int gfx_done(gfx_data_t *gfx_data);
++int gfx_input(gfx_data_t *gfx_data, int *menu_entry);
++int gfx_setup_menu(gfx_data_t *gfx_data);
++
+ /* The constants for password types. */
+ typedef enum
+ {
+diff -Nurp grub-0.97.orig/stage2/stage2.c grub-0.97/stage2/stage2.c
+--- grub-0.97.orig/stage2/stage2.c 2005-03-19 18:51:57.000000000 +0100
++++ grub-0.97/stage2/stage2.c 2009-08-03 16:25:52.220523160 +0200
+@@ -22,6 +22,8 @@
+
+ grub_jmp_buf restart_env;
+
++gfx_data_t *graphics_data;
++
+ #if defined(PRESET_MENU_STRING) || defined(SUPPORT_DISKLESS)
+
+ # if defined(PRESET_MENU_STRING)
+@@ -310,6 +312,12 @@ restart:
+
+ if (! auth && password)
+ {
++ if (*graphics_file)
++ {
++ printf ("\
++ WARNING: graphical menu doesn\'t work\
++ in conjunction with the password feature\n" );
++ }
+ printf ("\
+ Press enter to boot the selected OS or \'p\' to enter a\n\
+ password to unlock the next set of features.");
+@@ -753,6 +761,496 @@ restart:
+ }
+
+
++
++#if 0
++/* for debugging */
++static void hexdump(unsigned char *buf, unsigned len)
++{
++ int i, j = 0;
++ char s[17];
++ unsigned addr = (unsigned) buf;
++
++ s[16] = 0;
++ while(len--) {
++ i = buf[j];
++ i = i & 0xff;
++ s[j & 15] = (i >= 0x20 && i <= 0x7e) ? i : '.';
++ if(!(j & 15)) {
++ printf("%x ", j + addr);
++ }
++ if(!(j & 7) && (j & 15)) printf(" ");
++ /* stupid grub_printf */
++ printf("%x", (i >> 4) & 0x0f);
++ printf("%x ", i & 0x0f);
++ if(!(++j & 15)) {
++ printf(" %s\n", s);
++ }
++ }
++
++ if(j & 15) {
++ s[j & 15] = 0;
++ if(!(j & 8)) printf(" ");
++ i = 1 + 3 * (16 - (j & 15));
++ while(i--) printf(" ");
++ printf("%s\n", s);
++ }
++}
++#endif
++
++
++/* kernel + (grub-)module options */
++#define GFX_CMD_BUF_SIZE 512
++
++/* command line separator char */
++#define GFX_CMD_SEP 1
++
++/*
++ * Go through config entry and find kernel args, if any.
++ * Put things into buf and return it.
++ */
++static char *get_kernel_args(char *cfg, char *buf)
++{
++ int i, j;
++ char *s, *t = "", *p, *t2;
++
++ *(p = buf) = 0;
++
++ for(j = 0; ; j++) {
++ s = get_entry(cfg, j, 0);
++ if(!*s) break;
++ if(
++ (!memcmp(s, "kernel", 6) || !memcmp(s, "module", 6)) &&
++ (s[6] == ' ' || s[6] == '\t')
++ ) {
++ t = skip_to(0, s);
++ t2 = s[0] == 'm' ? strstr(t, "initrd") : NULL;
++ if(*t) t = skip_to(0, t);
++ if(t2 && t2 < t) break; /* module is likely a normal initrd -> skip */
++ i = strlen(t);
++ if(p - buf + i > GFX_CMD_BUF_SIZE - 2) break;
++ *p++ = GFX_CMD_SEP;
++ strcpy(p, t);
++ p += i;
++
++ continue;
++ }
++ }
++
++ if(*buf) buf++; /* skip initial separator char */
++
++ return buf;
++}
++
++
++/*
++ * Check header and return code start offset.
++ */
++static unsigned magic_ok(unsigned char *buf)
++{
++ if(
++ *(unsigned *) buf == 0x0b2d97f00 && /* magic id */
++ (buf[4] == 8) /* version 8 */
++ ) {
++ return *(unsigned *) (buf + 8);
++ }
++
++ return 0;
++}
++
++
++/*
++ * Search cpio archive for gfx file.
++ */
++static unsigned find_file(unsigned char *buf, unsigned len, unsigned *gfx_file_start, unsigned *file_len)
++{
++ unsigned i, fname_len, code_start = 0;
++
++ *gfx_file_start = 0;
++
++ for(i = 0; i < len;) {
++ if((len - i) >= 0x1a && (buf[i] + (buf[i + 1] << 8)) == 0x71c7) {
++ fname_len = *(unsigned short *) (buf + i + 20);
++ *file_len = *(unsigned short *) (buf + i + 24) + (*(unsigned short *) (buf + i + 22) << 16);
++ i += 26 + fname_len;
++ i = ((i + 1) & ~1);
++ if((code_start = magic_ok(buf + i))) {
++ *gfx_file_start = i;
++ return code_start;
++ }
++ i += *file_len;
++ i = ((i + 1) & ~1);
++ }
++ else {
++ break;
++ }
++ }
++
++ return code_start;
++}
++
++static inline unsigned char * stack_ptr(void)
++{
++ unsigned char * u;
++
++ asm("movl %%esp, %0" : "=r" (u));
++
++ return u;
++}
++
++static void sleep(int delay)
++{
++ int tick, last_tick = currticks();
++
++ delay *= 18;
++
++ while(delay--) {
++ while((tick = currticks()) == last_tick) { }
++ last_tick = tick;
++ }
++}
++
++static void wait_for_key()
++{
++ printf("Press a key to continue...");
++ getkey();
++ printf("\r \r");
++}
++
++
++/*
++ * Leave that much space on the heap. Everything else goes to the graphics
++ * functions.
++ *
++ * 0x2000 is _not_ enough
++ */
++#define MIN_HEAP_SIZE 0x4000
++#define MIN_GFX_FREE 0x1000
++
++#define SC_BOOTLOADER 0
++#define SC_FAILSAFE 3
++#define SC_SYSCONFIG_SIZE 4
++#define SC_BOOTLOADER_SEG 8
++#define SC_XMEM_0 24
++#define SC_XMEM_1 26
++#define SC_XMEM_2 28
++#define SC_XMEM_3 30
++#define SC_FILE 32
++#define SC_ARCHIVE_START 36
++#define SC_ARCHIVE_END 40
++#define SC_MEM0_START 44
++#define SC_MEM0_END 48
++
++/*
++ * Does normally not return.
++ */
++static void
++run_graphics_menu (char *menu_entries, char *config_entries, int num_entries,
++ char *heap, int entryno)
++{
++ unsigned char *buf, *buf_ext;
++ unsigned buf_size, buf_ext_size, code_start, file_start;
++ char *s, *t, *t2, *cfg, *new_config, *p;
++ char *saved_heap;
++ int i, j, max_len, gfx_file_size, verbose;
++ int selected_entry;
++ gfx_data_t *gfx_data;
++ char *cmd_buf;
++ unsigned mem0_start, mem0_end, file_len;
++
++ /*
++ * check gfx_data_t struct offsets for consistency; gcc will optimize away
++ * the whole block
++ */
++
++ /* dummy function to make ld fail */
++ {
++ extern void wrong_struct_size(void);
++ #define gfx_ofs_check(a) if(gfx_ofs_##a != (char *) &gfx_data->a - (char *) gfx_data) wrong_struct_size();
++ gfx_ofs_check(ok);
++ gfx_ofs_check(code_seg);
++ gfx_ofs_check(jmp_table);
++ gfx_ofs_check(sys_cfg);
++ gfx_ofs_check(cmdline);
++ gfx_ofs_check(cmdline_len);
++ gfx_ofs_check(menu_list);
++ gfx_ofs_check(menu_default_entry);
++ gfx_ofs_check(menu_entries);
++ gfx_ofs_check(menu_entry_len);
++ gfx_ofs_check(args_list);
++ gfx_ofs_check(args_entry_len);
++ gfx_ofs_check(timeout);
++ #undef gfx_ofs_check
++ }
++
++ if(!num_entries) return;
++
++ graphics_data = gfx_data = (gfx_data_t *) heap;
++ heap += sizeof *gfx_data;
++ memset(gfx_data, 0, sizeof *gfx_data);
++
++ gfx_data->sys_cfg[SC_BOOTLOADER] = 2; /* bootloader: grub */
++ gfx_data->sys_cfg[SC_SYSCONFIG_SIZE] = 52; /* config data size */
++ *(unsigned short *) (gfx_data->sys_cfg + SC_BOOTLOADER_SEG) = (unsigned) gfx_data >> 4; /* segment */
++ gfx_data->sys_cfg[SC_XMEM_0] = 0x28; /* 8MB @ 2MB, see buf_ext below */
++ // gfx_data->sys_cfg[SC_XMEM_1] = 0xYZ; /* Z MB @ Y MB */
++ verbose = (*(unsigned char *) 0x417) & 3 ? 1 : 0; /* SHIFT pressed */
++ gfx_data->sys_cfg[SC_FAILSAFE] = verbose;
++
++ gfx_data->timeout = grub_timeout >= 0 ? grub_timeout : 0;
++
++
++ /* setup command line edit buffer */
++
++ gfx_data->cmdline_len = 256;
++
++ gfx_data->cmdline = heap;
++ heap += gfx_data->cmdline_len;
++ memset(gfx_data->cmdline, 0, gfx_data->cmdline_len);
++
++ cmd_buf = heap;
++ heap += GFX_CMD_BUF_SIZE;
++
++ /* setup menu entries */
++
++ for(i = max_len = 0; i < num_entries; i++) {
++ j = strlen(get_entry(menu_entries, i, 0));
++ if(j > max_len) max_len = j;
++ }
++
++ if(!max_len) return;
++
++ gfx_data->menu_entry_len = max_len + 1;
++ gfx_data->menu_entries = num_entries;
++
++ gfx_data->menu_list = heap;
++ heap += gfx_data->menu_entry_len * gfx_data->menu_entries;
++
++ memset(gfx_data->menu_list, 0, gfx_data->menu_entry_len * gfx_data->menu_entries);
++
++ for(i = 0; i < (int) gfx_data->menu_entries; i++) {
++ strcpy(gfx_data->menu_list + i * gfx_data->menu_entry_len, get_entry(menu_entries, i, 0));
++ }
++
++ gfx_data->menu_default_entry = gfx_data->menu_list + entryno * gfx_data->menu_entry_len;
++
++
++ /* setup list of kernel args */
++
++ for(i = max_len = 0; i < num_entries; i++) {
++ s = get_kernel_args(get_entry(config_entries, i, 1), cmd_buf);
++ j = strlen(s);
++ if(j > max_len) max_len = j;
++ }
++
++ gfx_data->args_entry_len = max_len + 1;
++
++ gfx_data->args_list = heap;
++ heap += gfx_data->args_entry_len * gfx_data->menu_entries;
++
++ memset(gfx_data->args_list, 0, gfx_data->args_entry_len * gfx_data->menu_entries);
++
++ for(i = 0; i < (int) gfx_data->menu_entries; i++) {
++ strcpy(gfx_data->args_list + i* gfx_data->args_entry_len, get_kernel_args(get_entry(config_entries, i, 1), cmd_buf));
++ }
++
++
++ /* go back here when we no longer need the graphics data */
++ saved_heap = heap;
++
++
++ /* get memory area to be used by graphics functions */
++
++ /* use 8MB starting at 2MB as file buffer; see SC_XMEM_0 above (A20 is enabled anyway) */
++ buf_ext = (unsigned char *) (2 << 20);
++ buf_ext_size = 8 << 20;
++
++ /* must be 16-byte aligned */
++ buf = (unsigned char *) (((unsigned) heap + 0xf) & ~0xf);
++
++ buf_size = stack_ptr() - buf - MIN_HEAP_SIZE;
++ buf_size &= ~0xf;
++
++ mem0_start = (unsigned) buf;
++ mem0_end = mem0_start + buf_size;
++
++ if(verbose) {
++ printf("low memory 0x%x - 0x%x (%d bytes)\n", mem0_start, mem0_end, buf_size);
++ wait_for_key();
++ }
++
++ heap += buf_size;
++
++ /* read the file */
++
++ if(!grub_open(graphics_file)) {
++ printf("%s: file not found\n", graphics_file);
++ sleep(5);
++ heap = saved_heap;
++ return;
++ }
++
++ gfx_file_size = grub_read(buf_ext, buf_ext_size);
++
++ grub_close();
++
++ if(gfx_file_size <= 0) {
++ printf("%s: read error\n", graphics_file);
++ sleep(5);
++ heap = saved_heap;
++ return;
++ }
++
++ if(verbose) {
++ printf("%s: %d bytes (%d bytes left)\n", graphics_file, gfx_file_size, buf_ext_size - gfx_file_size);
++ wait_for_key();
++ }
++
++ /* locate file inside cpio archive */
++ if(!(code_start = find_file(buf_ext, gfx_file_size, &file_start, &file_len))) {
++ printf("%s: invalid file format\n", graphics_file);
++ sleep(5);
++ heap = saved_heap;
++ return;
++ }
++
++ if(verbose) {
++ printf("init: start 0x%x, len %d; code offset 0x%x\n", file_start, file_len, code_start);
++ wait_for_key();
++ }
++
++ if(file_len - code_start + MIN_GFX_FREE > buf_size) {
++ printf("not enough free memory: %d extra bytes need\n", file_len - code_start + MIN_GFX_FREE - buf_size);
++ sleep(5);
++ heap = saved_heap;
++ return;
++ }
++
++ memcpy((void *) buf, (void *) (buf_ext + file_start + code_start), file_len - code_start);
++
++ mem0_start += file_len - code_start;
++ mem0_start = (mem0_start + 3) & ~3; /* align */
++
++ /* init interface to graphics functions */
++
++ *(unsigned *) (gfx_data->sys_cfg + SC_FILE) = (unsigned) buf_ext + file_start;
++ *(unsigned *) (gfx_data->sys_cfg + SC_ARCHIVE_START) = (unsigned) buf_ext;
++ *(unsigned *) (gfx_data->sys_cfg + SC_ARCHIVE_END) = (unsigned) buf_ext + gfx_file_size;
++ *(unsigned *) (gfx_data->sys_cfg + SC_MEM0_START) = mem0_start;
++ *(unsigned *) (gfx_data->sys_cfg + SC_MEM0_END) = mem0_end;
++
++ gfx_data->code_seg = (unsigned) buf >> 4;
++
++ if(verbose) {
++ printf("init 0x%x, archive 0x%x - 0x%x, low mem 0x%x - 0x%x\ncode seg 0x%x\n",
++ (unsigned) buf_ext + file_start,
++ (unsigned) buf_ext, (unsigned) buf_ext + gfx_file_size,
++ mem0_start, mem0_end, gfx_data->code_seg
++ );
++ wait_for_key();
++ }
++
++ for(i = 0; (unsigned) i < sizeof gfx_data->jmp_table / sizeof *gfx_data->jmp_table; i++) {
++ gfx_data->jmp_table[i] = (gfx_data->code_seg << 16) + ((unsigned short *) buf)[i];
++ }
++
++ if(verbose) {
++ for(i = 0; i < 12; i++) {
++ printf("%d: 0x%x\n", i, gfx_data->jmp_table[i]);
++ }
++
++ for(i = 0; i < gfx_data->menu_entries; i++) {
++ printf("\"%s\" -- \"%s\"\n",
++ gfx_data->menu_list + i * gfx_data->menu_entry_len,
++ gfx_data->args_list + i * gfx_data->args_entry_len
++ );
++ }
++
++ printf("default: \"%s\"\n", gfx_data->menu_default_entry);
++ wait_for_key();
++ }
++
++ /* switch to graphics mode */
++
++ if(gfx_init(gfx_data)) {
++ printf("graphics initialization failed\n");
++ sleep(5);
++ heap = saved_heap;
++ return;
++ }
++
++ gfx_setup_menu(gfx_data);
++
++ i = gfx_input(gfx_data, &selected_entry);
++
++ /* ESC -> show text menu */
++ if(i == 1) {
++ gfx_done(gfx_data);
++ grub_timeout = -1;
++
++ heap = saved_heap;
++ return;
++ }
++
++ gfx_done(gfx_data);
++
++ heap = saved_heap; /* free most of the graphics data */
++
++ // printf("cmdline: >%s<, entry = %d\n", gfx_data->cmdline, selected_entry);
++
++ if(selected_entry < 0 || selected_entry > num_entries) return;
++
++ /* for 'savedefault' */
++ current_entryno = selected_entry;
++
++
++ /* create new config with modified kernel option */
++
++ cfg = get_entry(config_entries, selected_entry, 1);
++
++ new_config = heap;
++
++ for(p = gfx_data->cmdline, i = 0; ; i++) {
++ s = get_entry(cfg, i, 0);
++ if(!*s) {
++ if(!i) *heap++ = 0;
++ *heap++ = 0;
++ break;
++ }
++ /* note: must match get_kernel_args() */
++ if(
++ (!memcmp(s, "kernel", 6) || !memcmp(s, "module", 6)) &&
++ (s[6] == ' ' || s[6] == '\t')
++ ) {
++ t = skip_to(0, s);
++ t2 = s[0] == 'm' ? strstr(t, "initrd") : NULL;
++ if(*t) t = skip_to(0, t);
++ if(t2 && t2 < t) { /* module is likely a normal initrd -> skip */
++ strcpy(heap, s);
++ heap += strlen(s) + 1;
++ continue;
++ }
++ memmove(heap, s, t - s);
++ heap += t - s;
++ *heap++ = ' ';
++ while(*p && *p != GFX_CMD_SEP) *heap++ = *p++;
++ *heap++ = 0;
++ if(*p == GFX_CMD_SEP) p++;
++ }
++ else {
++ strcpy(heap, s);
++ heap += strlen(s) + 1;
++ }
++ }
++
++ *heap++ = 0;
++
++ // hexdump(new_config, heap - new_config);
++ // getkey();
++
++ run_script(new_config, heap);
++}
++
++
+ static int
+ get_line_from_config (char *cmdline, int maxlen, int read_from_file)
+ {
+@@ -1059,9 +1557,12 @@ cmain (void)
+ }
+ else
+ {
+- /* Run menu interface. */
+- run_menu (menu_entries, config_entries, num_entries,
+- menu_entries + menu_len, default_entry);
++ if (*graphics_file && !password && show_menu && grub_timeout)
++ {
++ run_graphics_menu(menu_entries, config_entries, num_entries,menu_entries + menu_len, default_entry);
++ }
++ /* Run menu interface. */
++ run_menu (menu_entries, config_entries, num_entries, menu_entries + menu_len, default_entry);
+ }
+ }
+ }