1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <console.h>
#include <dprintf.h>
#include <syslinux/loadfile.h>
#include <syslinux/linux.h>
#include <syslinux/pxe.h>
#include "core.h"
const char *globaldefault = NULL;
const char *append = NULL;
/* Will be called from readconfig.c */
int new_linux_kernel(char *okernel, char *ocmdline)
{
const char *kernel_name = NULL;
struct initramfs *initramfs = NULL;
char *temp;
void *kernel_data;
size_t kernel_len;
bool opt_quiet = false;
char initrd_name[256];
char cmdline_buf[256], *cmdline;
dprintf("okernel = %s, ocmdline = %s", okernel, ocmdline);
cmdline = cmdline_buf;
temp = cmdline;
if (okernel)
kernel_name = okernel;
else if (globaldefault)
kernel_name = globaldefault;
strcpy(temp, kernel_name);
temp += strlen(kernel_name);
*temp = ' ';
temp++;
if (ocmdline)
strcpy(temp, ocmdline);
else if (append)
strcpy(temp, append);
/* "keeppxe" handling */
#if IS_PXELINUX
extern char KeepPXE;
if (strstr(cmdline, "keeppxe"))
KeepPXE |= 1;
#endif
if (strstr(cmdline, "quiet"))
opt_quiet = true;
if (!opt_quiet)
printf("Loading %s... ", kernel_name);
if (loadfile(kernel_name, &kernel_data, &kernel_len)) {
if (opt_quiet)
printf("Loading %s ", kernel_name);
printf("failed: ");
goto bail;
}
if (!opt_quiet)
printf("ok\n");
/* Find and load initramfs */
temp = strstr(cmdline, "initrd=");
if (temp) {
/* Initialize the initramfs chain */
initramfs = initramfs_init();
if (!initramfs)
goto bail;
temp += 6; /* strlen("initrd") */
do {
char *p = initrd_name;
temp++; /* Skip = or , */
while (*temp != ' ' && *temp != ',' && *temp)
*p++ = *temp++;
*p = '\0';
if (!opt_quiet)
printf("Loading %s...", initrd_name);
if (initramfs_load_archive(initramfs, initrd_name)) {
if (opt_quiet)
printf("Loading %s ", initrd_name);
printf("failed: ");
goto bail;
}
if (!opt_quiet)
printf("ok\n");
} while (*temp == ',');
}
/* This should not return... */
syslinux_boot_linux(kernel_data, kernel_len, initramfs, NULL, cmdline);
printf("Booting kernel failed: ");
bail:
printf("%s\n", strerror(errno));
return 1;
}
|
