5 * A com32 module to load gfxboot graphics.
7 * Copyright (c) 2009 Steffen Winterfeldt.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation, Inc., 53 Temple Place Ste 330, Boston MA
12 * 02111-1307, USA; either version 2 of the License, or (at your option) any
13 * later version; incorporated herein by reference.
22 #include <sys/types.h>
27 #include <syslinux/loadfile.h>
28 #include <syslinux/config.h>
29 #include <syslinux/linux.h>
30 #include <syslinux/boot.h>
35 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
36 #define MAX_CONFIG_LINE_LEN 2048
37 #define MAX_CMDLINE_LEN 2048
39 // buffer for realmode callback
40 // must be at least block size; can in theory be larger than 4k, but there's
41 // not enough space left
42 #define REALMODE_BUF_SIZE 4096
43 #define LOWMEM_BUF_SIZE 65536
45 // gfxboot working memory in MB
46 #define GFX_MEMORY_SIZE 7
48 // read chunk size for progress bar
49 #define CHUNK_SIZE (64 << 10)
51 // callback function numbers
54 #define GFX_CB_INPUT 2
55 #define GFX_CB_MENU_INIT 3
56 #define GFX_CB_INFOBOX_INIT 4
57 #define GFX_CB_INFOBOX_DONE 5
58 #define GFX_CB_PROGRESS_INIT 6
59 #define GFX_CB_PROGRESS_DONE 7
60 #define GFX_CB_PROGRESS_UPDATE 8
61 #define GFX_CB_PROGRESS_LIMIT 9 // unused
62 #define GFX_CB_PASSWORD_INIT 10
63 #define GFX_CB_PASSWORD_DONE 11
65 // real mode code chunk, will be placed into lowmem buffer
66 extern const char realmode_callback_start[], realmode_callback_end[];
72 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
73 // gfxboot config data (64 bytes)
74 typedef struct __attribute__ ((packed)) {
75 uint8_t bootloader; // 0: boot loader type (0: lilo, 1: syslinux, 2: grub)
76 uint8_t sector_shift; // 1: sector shift
77 uint8_t media_type; // 2: media type (0: disk, 1: floppy, 2: cdrom)
78 uint8_t failsafe; // 3: turn on failsafe mode (bitmask)
81 // 2: skip monitor detection
82 uint8_t sysconfig_size; // 4: size of sysconfig data
83 uint8_t boot_drive; // 5: BIOS boot drive
84 uint16_t callback; // 6: offset to callback handler
85 uint16_t bootloader_seg; // 8: code/data segment used by bootloader; must follow gfx_callback
86 uint16_t serial_port; // 10: syslinux initialized serial port from 'serial' option
87 uint32_t user_info_0; // 12: data for info box
88 uint32_t user_info_1; // 16: data for info box
89 uint32_t bios_mem_size; // 20: BIOS memory size (in bytes)
90 uint16_t xmem_0; // 24: extended mem area 0 (start:size in MB; 12:4 bits) - obsolete
91 uint16_t xmem_1; // 26: extended mem area 1 - obsolete
92 uint16_t xmem_2; // 28: extended mem area 2 - obsolete
93 uint16_t xmem_3; // 30: extended mem area 3 - obsolete
94 uint32_t file; // 32: start of gfx file
95 uint32_t archive_start; // 36: start of cpio archive
96 uint32_t archive_end; // 40: end of cpio archive
97 uint32_t mem0_start; // 44: low free memory start
98 uint32_t mem0_end; // 48: low free memory end
99 uint32_t xmem_start; // 52: extended mem start
100 uint32_t xmem_end; // 56: extended mem end
101 uint16_t features; // 60: feature flags returned by GFX_CB_INIT
102 // 0: GFX_CB_MENU_INIT accepts 32 bit addresses
103 // 1: knows about xmem_start, xmem_end
104 uint16_t reserved_1; // 62:
105 uint32_t gfxboot_cwd; // 64: if set, points to current gfxboot working directory relative
106 // to syslinux working directory
110 // gfxboot menu description (18 bytes)
111 typedef struct __attribute__ ((packed)) {
122 typedef struct menu_s {
124 char *label; // config entry name
125 char *menu_label; // text to show in boot menu
126 char *kernel; // name of program to load
127 char *alt_kernel; // alternative name in case user has replaced it
128 char *linux; // de facto an alias for 'kernel'
129 char *localboot; // boot from local disk
130 char *initrd; // initrd as separate line (instead of as part of 'append')
131 char *append; // kernel args
132 char *ipappend; // append special pxelinux args (see doc)
136 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
137 gfx_config_t gfx_config;
141 menu_t *menu_default;
142 static menu_t *menu_ptr, **menu_next;
145 uint32_t jmp_table[12];
154 char cmdline[MAX_CMDLINE_LEN];
156 // progress bar is visible
157 unsigned progress_active;
160 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
161 void show_message(char *file);
162 char *get_config_file_name(void);
163 char *skip_nonspaces(char *s);
164 void chop_line(char *s);
165 int read_config_file(const char *filename);
166 unsigned magic_ok(unsigned char *buf, unsigned *code_size);
167 unsigned find_file(unsigned char *buf, unsigned len, unsigned *gfx_file_start, unsigned *file_len, unsigned *code_size);
168 int gfx_init(char *file);
169 int gfx_menu_init(void);
172 void gfx_infobox(int type, char *str1, char *str2);
173 void gfx_progress_init(ssize_t kernel_size, char *label);
174 void gfx_progress_update(ssize_t size);
175 void gfx_progress_done(void);
176 void *load_one(char *file, ssize_t *file_size);
177 void boot(int index);
178 void boot_entry(menu_t *menu_ptr, char *arg);
181 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
182 int main(int argc, char **argv)
185 const union syslinux_derivative_info *sdi;
186 char working_dir[256];
188 openconsole(&dev_stdcon_r, &dev_stdcon_w);
190 lowmem_buf = lmalloc(LOWMEM_BUF_SIZE);
192 printf("Could not allocate memory.\n");
196 sdi = syslinux_derivative_info();
198 gfx_config.sector_shift = sdi->disk.sector_shift;
199 gfx_config.boot_drive = sdi->disk.drive_number;
201 if(sdi->c.filesystem == SYSLINUX_FS_PXELINUX) {
202 gfx_config.sector_shift = 11;
203 gfx_config.boot_drive = 0;
206 gfx_config.media_type = gfx_config.boot_drive < 0x80 ? 1 : 0;
208 if(sdi->c.filesystem == SYSLINUX_FS_ISOLINUX) {
209 gfx_config.media_type = sdi->iso.cd_mode ? 0 : 2;
212 gfx_config.bootloader = 1;
213 gfx_config.sysconfig_size = sizeof gfx_config;
214 gfx_config.bootloader_seg = 0; // apparently not needed
217 printf("Usage: gfxboot.c32 bootlogo_file [message_file]\n");
218 if(argc > 2) show_message(argv[2]);
223 if(read_config_file("~")) {
224 printf("Error reading config file\n");
225 if(argc > 2) show_message(argv[2]);
230 if(getcwd(working_dir, sizeof working_dir)) {
231 gfx_config.gfxboot_cwd = (uint32_t) working_dir;
234 if(gfx_init(argv[1])) {
235 printf("Error setting up gfxboot\n");
236 if(argc > 2) show_message(argv[2]);
244 menu_index = gfx_input();
246 // abort gfx, return to text mode prompt
247 if(menu_index == -1) {
252 // does not return if it succeeds
256 if(argc > 2) show_message(argv[2]);
262 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
263 void show_message(char *file)
268 if(!(f = fopen(file, "r"))) return;
270 while((c = getc(f)) != EOF) {
271 if(c < ' ' && c != '\n' && c != '\t') continue;
279 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
280 char *skip_nonspaces(char *s)
282 while(*s && *s != ' ' && *s != '\t') s++;
288 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
289 void chop_line(char *s)
296 if(s[i] == ' ' || s[i] == '\t' || s[i] == '\n') {
306 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
307 // Read and parse syslinux config file.
312 int read_config_file(const char *filename)
315 char *s, *t, buf[MAX_CONFIG_LINE_LEN];
316 unsigned u, top_level = 0, text = 0;
318 if(!strcmp(filename, "~")) {
320 filename = syslinux_config_file();
321 gfx_menu.entries = 0;
322 gfx_menu.label_size = 0;
323 gfx_menu.arg_size = 0;
326 menu_default = calloc(1, sizeof *menu_default);
329 if(!(f = fopen(filename, "r"))) return 1;
331 while((s = fgets(buf, sizeof buf, f))) {
334 if(!*s || *s == '#') continue;
335 t = skip_nonspaces(s);
339 if(!strcasecmp(s, "endtext")) {
347 if(!strcasecmp(s, "timeout")) {
352 if(!strcasecmp(s, "default")) {
353 menu_default->label = strdup(t);
355 if(u > gfx_menu.label_size) gfx_menu.label_size = u;
359 if(!strcasecmp(s, "label")) {
360 menu_ptr = *menu_next = calloc(1, sizeof **menu_next);
361 menu_next = &menu_ptr->next;
363 menu_ptr->label = menu_ptr->menu_label = strdup(t);
365 if(u > gfx_menu.label_size) gfx_menu.label_size = u;
369 if(!strcasecmp(s, "kernel") && menu_ptr) {
370 menu_ptr->kernel = strdup(t);
374 if(!strcasecmp(s, "linux") && menu_ptr) {
375 menu_ptr->linux = strdup(t);
379 if(!strcasecmp(s, "localboot") && menu_ptr) {
380 menu_ptr->localboot = strdup(t);
384 if(!strcasecmp(s, "initrd") && menu_ptr) {
385 menu_ptr->initrd = strdup(t);
389 if(!strcasecmp(s, "append")) {
390 (menu_ptr ?: menu_default)->append = strdup(t);
392 if(u > gfx_menu.arg_size) gfx_menu.arg_size = u;
396 if(!strcasecmp(s, "ipappend")) {
397 (menu_ptr ?: menu_default)->ipappend = strdup(t);
401 if(!strcasecmp(s, "text")) {
406 if(!strcasecmp(s, "menu") && menu_ptr) {
408 t = skip_nonspaces(s);
412 if(!strcasecmp(s, "label")) {
413 menu_ptr->menu_label = strdup(t);
415 if(u > gfx_menu.label_size) gfx_menu.label_size = u;
419 if(!strcasecmp(s, "include")) {
424 if (!strcasecmp(s, "include")) {
427 t = skip_nonspaces(s);
438 if (gfx_menu.entries == 0) {
439 printf("No LABEL keywords found.\n");
444 gfx_menu.label_size++;
447 // ensure we have a default entry
448 if(!menu_default->label) menu_default->label = menu->label;
450 if(menu_default->label) {
451 for(menu_ptr = menu; menu_ptr; menu_ptr = menu_ptr->next) {
452 if(!strcmp(menu_default->label, menu_ptr->label)) {
453 menu_default->menu_label = menu_ptr->menu_label;
459 gfx_menu.default_entry = menu_default->menu_label;
460 gfx_menu.label_list = calloc(gfx_menu.entries, gfx_menu.label_size);
461 gfx_menu.arg_list = calloc(gfx_menu.entries, gfx_menu.arg_size);
463 for(u = 0, menu_ptr = menu; menu_ptr; menu_ptr = menu_ptr->next, u++) {
464 if(!menu_ptr->append) menu_ptr->append = menu_default->append;
465 if(!menu_ptr->ipappend) menu_ptr->ipappend = menu_default->ipappend;
467 if(menu_ptr->menu_label) strcpy(gfx_menu.label_list + u * gfx_menu.label_size, menu_ptr->menu_label);
468 if(menu_ptr->append) strcpy(gfx_menu.arg_list + u * gfx_menu.arg_size, menu_ptr->append);
475 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
476 // Check header and return code start offset.
478 unsigned magic_ok(unsigned char *buf, unsigned *code_size)
481 *(unsigned *) buf == 0x0b2d97f00 && // magic id
482 (buf[4] == 8) // version 8
484 *code_size = *(unsigned *) (buf + 12);
485 return *(unsigned *) (buf + 8);
492 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
493 // Search (cpio archive) for gfx file.
495 unsigned find_file(unsigned char *buf, unsigned len, unsigned *gfx_file_start, unsigned *file_len, unsigned *code_size)
497 unsigned i, fname_len, code_start = 0;
502 if((code_start = magic_ok(buf, code_size))) return code_start;
504 for(i = 0; i < len;) {
505 if((len - i) >= 0x1a && (buf[i] + (buf[i + 1] << 8)) == 0x71c7) {
506 fname_len = *(unsigned short *) (buf + i + 20);
507 *file_len = *(unsigned short *) (buf + i + 24) + (*(unsigned short *) (buf + i + 22) << 16);
510 if((code_start = magic_ok(buf + i, code_size))) {
526 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
527 // Initialize gfxboot code.
532 int gfx_init(char *file)
534 size_t archive_size = 0;
536 unsigned code_start, code_size, file_start, file_len, u;
538 void *lowmem = lowmem_buf;
539 unsigned lowmem_size = LOWMEM_BUF_SIZE;
543 printf("Loading %s...\n", file);
544 if(loadfile(file, &archive, &archive_size)) return 1;
546 if(!archive_size) return 1;
548 // printf("%s: %d\n", file, archive_size);
550 gfx_config.archive_start = (uint32_t) archive;
551 gfx_config.archive_end = gfx_config.archive_start + archive_size;
553 // locate file inside cpio archive
554 if(!(code_start = find_file(archive, archive_size, &file_start, &file_len, &code_size))) {
555 printf("%s: invalid file format\n", file);
561 "code_start = 0x%x, code_size = 0x%x\n"
562 "archive_start = 0x%x, archive size = 0x%x\n"
563 "file_start = 0x%x, file_len = 0x%x\n",
564 code_start, code_size,
565 gfx_config.archive_start, archive_size,
570 gfx_config.file = gfx_config.archive_start + file_start;
572 u = realmode_callback_end - realmode_callback_start;
573 u = (u + REALMODE_BUF_SIZE + 0xf) & ~0xf;
575 if(u + code_size > lowmem_size) {
576 printf("lowmem buffer too small: size %u, needed %u\n", lowmem_size, u + code_size);
580 memcpy(lowmem + REALMODE_BUF_SIZE, realmode_callback_start,
581 realmode_callback_end - realmode_callback_start);
583 // fill in buffer size and location
584 *(uint16_t *) (lowmem + REALMODE_BUF_SIZE) = REALMODE_BUF_SIZE;
585 *(uint16_t *) (lowmem + REALMODE_BUF_SIZE + 2) = (uint32_t) lowmem >> 4;
587 gfx_config.bootloader_seg = ((uint32_t) lowmem + REALMODE_BUF_SIZE) >> 4;
588 gfx_config.callback = 4; // start address
593 memcpy(lowmem, archive + file_start + code_start, code_size);
595 gfx_config.mem0_start = (uint32_t) lowmem + code_size;
596 gfx_config.mem0_end = (uint32_t) lowmem + lowmem_size;
598 gfx_config.mem0_start = (gfx_config.mem0_start + 0xf) & ~0xf;
600 gfx_config.xmem_start = (uint32_t) malloc(GFX_MEMORY_SIZE << 20);
601 if(gfx_config.xmem_start) {
602 gfx_config.xmem_end = gfx_config.xmem_start + (GFX_MEMORY_SIZE << 20);
605 // fake; not used anyway
606 gfx_config.bios_mem_size = 256 << 20;
608 gfx.code_seg = (uint32_t) lowmem >> 4;
610 for(u = 0; u < sizeof gfx.jmp_table / sizeof *gfx.jmp_table; u++) {
611 gfx.jmp_table[u] = (gfx.code_seg << 16) + *(uint16_t *) (lowmem + 2 * u);
615 for(u = 0; u < sizeof gfx.jmp_table / sizeof *gfx.jmp_table; u++) {
616 printf("%d: 0x%08x\n", u, gfx.jmp_table[u]);
620 // we are ready to start
622 r.esi.l = (uint32_t) &gfx_config;
623 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INIT], &r, &r);
625 if((r.eflags.l & EFLAGS_CF)) {
626 printf("graphics initialization failed\n");
631 if((gfx_config.features & 3) != 3) {
634 printf("%s: boot graphics code too old, please use newer version\n", file);
644 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
645 int gfx_menu_init(void)
649 r.esi.l = (uint32_t) &gfx_menu;
650 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_MENU_INIT], &r, &r);
656 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
663 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_DONE], &r, &r);
667 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
668 // Run gfxboot main loop.
671 // boot menu index (-1: go to text mode prompt)
677 r.edi.l = (uint32_t) cmdline;
678 r.ecx.l = sizeof cmdline;
679 r.eax.l = timeout * 182 / 100;
680 timeout = 0; // use timeout only first time
681 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INPUT], &r, &r);
682 if((r.eflags.l & EFLAGS_CF)) r.eax.l = 1;
684 if(r.eax.l == 1) return -1;
690 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
691 void gfx_infobox(int type, char *str1, char *str2)
696 r.esi.l = (uint32_t) str1;
697 r.edi.l = (uint32_t) str2;
698 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INFOBOX_INIT], &r, &r);
699 r.edi.l = r.eax.l = 0;
700 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INPUT], &r, &r);
701 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INFOBOX_DONE], &r, &r);
705 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
706 void gfx_progress_init(ssize_t kernel_size, char *label)
710 if(!progress_active) {
711 r.eax.l = kernel_size >> gfx_config.sector_shift; // in sectors
712 r.esi.l = (uint32_t) label;
713 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_INIT], &r, &r);
720 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
721 void gfx_progress_update(ssize_t advance)
725 if(progress_active) {
726 r.eax.l = advance >> gfx_config.sector_shift; // in sectors
727 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_UPDATE], &r, &r);
732 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
733 void gfx_progress_done(void)
737 if(progress_active) {
738 __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_DONE], &r, &r);
745 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
746 // Read file and update progress bar.
748 void *load_one(char *file, ssize_t *file_size)
754 ssize_t size = 0, cur, i;
758 if((fd = open(file, O_RDONLY)) == -1) {
759 asprintf(&str, "%s: file not found", file);
760 gfx_infobox(0, str, NULL);
765 if(!fstat(fd, &sbuf) && S_ISREG(sbuf.st_mode)) size = sbuf.st_size;
771 for(i = 1, cur = 0 ; cur < size && i > 0; cur += i) {
772 i = read(fd, buf + cur, min(CHUNK_SIZE, size - cur));
774 gfx_progress_update(i);
779 buf = realloc(buf, size + CHUNK_SIZE);
780 i = read(fd, buf + size, CHUNK_SIZE);
783 gfx_progress_update(i);
790 asprintf(&str, "%s: read error @ %d", file, size);
791 gfx_infobox(0, str, NULL);
804 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
807 // cmdline can optionally start with label string.
811 char *arg, *alt_kernel;
815 const struct syslinux_ipappend_strings *ipappend;
816 char *gfxboot_cwd = (char *) gfx_config.gfxboot_cwd;
820 gfx_config.gfxboot_cwd = 0;
823 for(menu_ptr = menu; menu_ptr; menu_ptr = menu_ptr->next, index--) {
827 // invalid index or menu entry
828 if(!menu_ptr || !menu_ptr->menu_label) return;
830 arg = skipspace(cmdline);
831 label_len = strlen(menu_ptr->menu_label);
833 // if it does not start with label string, assume first word is kernel name
834 if(strncmp(arg, menu_ptr->menu_label, label_len)) {
836 arg = skip_nonspaces(arg);
838 if(*alt_kernel) menu_ptr->alt_kernel = alt_kernel;
844 arg = skipspace(arg);
847 if(menu_ptr->ipappend && (ipapp = atoi(menu_ptr->ipappend))) {
848 ipappend = syslinux_ipappend_strings();
849 for(i = 0; i < ipappend->count; i++) {
850 if((ipapp & (1 << i)) && ipappend->ptr[i]) {
851 sprintf(arg + strlen(arg), " %s", ipappend->ptr[i]);
856 boot_entry(menu_ptr, arg);
862 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
863 // Load & run kernel.
865 // Returns only on error.
867 void boot_entry(menu_t *menu_ptr, char *arg)
869 void *kernel, *initrd_buf;
870 ssize_t kernel_size = 0, initrd_size = 0;
871 struct initramfs *initrd = NULL;
872 char *file, *cmd_buf;
875 char *s, *s0, *t, *initrd_arg;
877 if(!menu_ptr) return;
879 if(menu_ptr->localboot) {
881 syslinux_local_boot(strtol(menu_ptr->localboot, NULL, 0));
886 file = menu_ptr->alt_kernel;
887 if(!file) file = menu_ptr->kernel;
888 if(!file) file = menu_ptr->linux;
891 asprintf(&cmd_buf, "%s %s", menu_ptr->label, arg);
892 syslinux_run_command(cmd_buf);
896 // first, load kernel
900 if((fd = open(file, O_RDONLY)) >= 0) {
901 if(!fstat(fd, &sbuf) && S_ISREG(sbuf.st_mode)) kernel_size = sbuf.st_size;
905 gfx_progress_init(kernel_size, file);
907 kernel = load_one(file, &kernel_size);
913 if(kernel_size < 1024 || *(uint32_t *) (kernel + 0x202) != 0x53726448) {
914 // not a linux kernel
916 asprintf(&cmd_buf, "%s %s", menu_ptr->label, arg);
917 syslinux_run_command(cmd_buf);
921 // printf("kernel = %p, size = %d\n", kernel, kernel_size);
923 // parse cmdline for "initrd" option
925 initrd_arg = menu_ptr->initrd;
927 s = s0 = strdup(arg);
929 while(*s && strncmp(s, "initrd=", sizeof "initrd=" - 1)) {
930 s = skipspace(skip_nonspaces(s));
934 s += sizeof "initrd=" - 1;
935 *skip_nonspaces(s) = 0;
938 else if(initrd_arg) {
940 initrd_arg = s0 = strdup(initrd_arg);
944 initrd = initramfs_init();
946 while((t = strsep(&initrd_arg, ","))) {
947 initrd_buf = load_one(t, &initrd_size);
950 printf("%s: read error\n", t);
955 initramfs_add_data(initrd, initrd_buf, initrd_size, initrd_size, 4);
957 // printf("initrd = %p, size = %d\n", initrd_buf, initrd_size);
965 syslinux_boot_linux(kernel, kernel_size, initrd, arg);