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pxe: Allow use of environment variables in append string

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Use cli_simple_process_macros, so that environment
variables (e.g. ${console}) can be used in append strings.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2014-08-06 09:37:39 +02:00 committed by Tom Rini
parent a06be2d077
commit b1ba62d4ae
1 changed files with 13 additions and 16 deletions
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29
common/cmd_pxe.c
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@ -15,6 +15,7 @@
#include <fs.h>
#include "menu.h"
#include "cli.h"
#define MAX_TFTP_PATH_LEN 127
@ -578,8 +579,12 @@ static int label_localboot(struct pxe_label *label)
if (!localcmd)
return -ENOENT;
if (label->append)
setenv("bootargs", label->append);
if (label->append) {
char bootargs[CONFIG_SYS_CBSIZE];
cli_simple_process_macros(label->append, bootargs);
setenv("bootargs", bootargs);
}
debug("running: %s\n", localcmd);
@ -607,7 +612,6 @@ static int label_boot(cmd_tbl_t *cmdtp, struct pxe_label *label)
char initrd_str[22];
char mac_str[29] = "";
char ip_str[68] = "";
char *bootargs;
int bootm_argc = 3;
int len = 0;
ulong kernel_addr;
@ -654,7 +658,6 @@ static int label_boot(cmd_tbl_t *cmdtp, struct pxe_label *label)
sprintf(ip_str, " ip=%s:%s:%s:%s",
getenv("ipaddr"), getenv("serverip"),
getenv("gatewayip"), getenv("netmask"));
len += strlen(ip_str);
}
#ifdef CONFIG_CMD_NET
@ -664,27 +667,21 @@ static int label_boot(cmd_tbl_t *cmdtp, struct pxe_label *label)
err = format_mac_pxe(mac_str + 8, sizeof(mac_str) - 8);
if (err < 0)
mac_str[0] = '\0';
len += strlen(mac_str);
}
#endif
if (label->append)
len += strlen(label->append);
if ((label->ipappend & 0x3) || label->append) {
char bootargs[CONFIG_SYS_CBSIZE] = "";
char finalbootargs[CONFIG_SYS_CBSIZE];
if (len) {
bootargs = malloc(len + 1);
if (!bootargs)
return 1;
bootargs[0] = '\0';
if (label->append)
strcpy(bootargs, label->append);
strcat(bootargs, ip_str);
strcat(bootargs, mac_str);
setenv("bootargs", bootargs);
printf("append: %s\n", bootargs);
free(bootargs);
cli_simple_process_macros(bootargs, finalbootargs);
setenv("bootargs", finalbootargs);
printf("append: %s\n", finalbootargs);
}
bootm_argv[1] = getenv("kernel_addr_r");