struct menu_s *next;
char *label;
char *kernel;
+ char *alt_kernel;
char *linux;
char *localboot;
char *initrd;
void *save_buf;
unsigned save_buf_size;
+// progress bar is visible
+unsigned progress_active;
+
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
void show_message(char *file);
int gfx_menu_init(void);
void gfx_done(void);
int gfx_input(void);
+void gfx_infobox(int type, char *str1, char *str2);
+void gfx_progress_init(ssize_t kernel_size, char *label);
+void gfx_progress_update(ssize_t size);
+void gfx_progress_done(void);
ssize_t save_read(int fd, void *buf, size_t size);
void *load_one(char *file, ssize_t *file_size);
void boot(int index);
void *lowmem = lowmem_buf;
unsigned lowmem_size = lowmem_buf_size;
+ progress_active = 0;
+
printf("Loading %s...\n", file);
if(loadfile(file, &archive, &archive_size)) return 1;
{
com32sys_t r;
+ gfx_progress_done();
+
__farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_DONE], &r, &r);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void gfx_infobox(int type, char *str1, char *str2)
+{
+ com32sys_t r;
+
+ r.eax.l = type;
+ r.esi.l = (uint32_t) str1;
+ r.edi.l = (uint32_t) str2;
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INFOBOX_INIT], &r, &r);
+ r.edi.l = r.eax.l = 0;
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INPUT], &r, &r);
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_INFOBOX_DONE], &r, &r);
+}
+
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void gfx_progress_init(ssize_t kernel_size, char *label)
+{
+ com32sys_t r;
+
+ if(!progress_active) {
+ r.eax.l = kernel_size >> gfx_config.sector_shift; // in sectors
+ r.esi.l = (uint32_t) label;
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_INIT], &r, &r);
+ }
+
+ progress_active = 1;
+}
+
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void gfx_progress_update(ssize_t advance)
+{
+ com32sys_t r;
+
+ if(progress_active) {
+ r.eax.l = advance >> gfx_config.sector_shift; // in sectors
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_UPDATE], &r, &r);
+ }
+}
+
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void gfx_progress_done(void)
+{
+ com32sys_t r;
+
+ if(progress_active) {
+ __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_DONE], &r, &r);
+ }
+
+ progress_active = 0;
+}
+
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Like read(2) but preserve bounce buffer.
//
ssize_t save_read(int fd, void *buf, size_t size)
{
int fd;
void *buf = NULL;
+ char *str;
struct stat sbuf;
ssize_t size = 0, cur, i;
- com32sys_t r;
*file_size = 0;
if((fd = open(file, O_RDONLY)) == -1) {
- printf("%s: file not found\n", file);
+ asprintf(&str, "%s: file not found", file);
+ gfx_infobox(0, str, NULL);
+ free(str);
return buf;
}
buf = malloc(size);
for(i = 1, cur = 0 ; cur < size && i > 0; cur += i) {
i = save_read(fd, buf + cur, CHUNK_SIZE);
- r.eax.l = i >> gfx_config.sector_shift;
- __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_UPDATE], &r, &r);
+ if(i == -1) break;
+ gfx_progress_update(i);
}
}
else {
do {
buf = realloc(buf, size + CHUNK_SIZE);
i = save_read(fd, buf + size, CHUNK_SIZE);
+ if(i == -1) break;
size += i;
- r.eax.l = i >> gfx_config.sector_shift;
- __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_UPDATE], &r, &r);
+ gfx_progress_update(i);
} while(i > 0);
}
close(fd);
if(i == -1) {
+ asprintf(&str, "%s: read error @ %d", file, size);
+ gfx_infobox(0, str, NULL);
+ free(str);
free(buf);
buf = NULL;
size = 0;
//
void boot(int index)
{
- char *arg;
+ char *arg, *alt_kernel;
menu_t *menu_ptr;
- int label_len;
- unsigned u, ipapp;
+ int i, label_len;
+ unsigned ipapp;
const struct syslinux_ipappend_strings *ipappend;
for(menu_ptr = menu; menu_ptr; menu_ptr = menu_ptr->next, index--) {
arg = skip_spaces(cmdline);
label_len = strlen(menu_ptr->label);
- // if it does not start with label string, skip first word
+ // if it does not start with label string, assume first word is kernel name
if(strncmp(arg, menu_ptr->label, label_len)) {
+ alt_kernel = arg;
arg = skip_nonspaces(arg);
+ if(*arg) *arg++ = 0;
+ if(*alt_kernel) menu_ptr->alt_kernel = alt_kernel;
}
else {
arg += label_len;
// handle IPAPPEND
if(menu_ptr->ipappend && (ipapp = atoi(menu_ptr->ipappend))) {
ipappend = syslinux_ipappend_strings();
- for(u = 0; u < ipappend->count; u++) {
- if((ipapp & (1 << u)) && ipappend->ptr[u]) {
- sprintf(arg + strlen(arg), " %s", ipappend->ptr[u]);
+ for(i = 0; i < ipappend->count; i++) {
+ if((ipapp & (1 << i)) && ipappend->ptr[i]) {
+ sprintf(arg + strlen(arg), " %s", ipappend->ptr[i]);
}
}
}
boot_entry(menu_ptr, arg);
+
+ gfx_progress_done();
}
char *file, *cmd_buf;
int fd;
struct stat sbuf;
- com32sys_t r;
char *s, *s0, *t, *initrd_arg;
if(!menu_ptr) return;
return;
}
- file = menu_ptr->kernel;
+ file = menu_ptr->alt_kernel;
+ if(!file) file = menu_ptr->kernel;
if(!file) file = menu_ptr->linux;
if(!file) {
gfx_done();
// first, load kernel
- r.eax.l = 0; // kernel size in sectors
+ kernel_size = 0;
if((fd = open(file, O_RDONLY)) >= 0) {
- if(!fstat(fd, &sbuf) && S_ISREG(sbuf.st_mode)) r.eax.l = sbuf.st_size >> gfx_config.sector_shift;
+ if(!fstat(fd, &sbuf) && S_ISREG(sbuf.st_mode)) kernel_size = sbuf.st_size;
close(fd);
}
- r.esi.l = (uint32_t) file;
- __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_INIT], &r, &r);
+ gfx_progress_init(kernel_size, file);
kernel = load_one(file, &kernel_size);
if(!kernel) {
- gfx_done();
- printf("%s: read error\n", file);
return;
}
free(s0);
- __farcall(gfx.code_seg, gfx.jmp_table[GFX_CB_PROGRESS_DONE], &r, &r);
-
gfx_done();
syslinux_boot_linux(kernel, kernel_size, initrd, arg);