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multiboot: Support commas in module parameters 

Support commas in the parameter list of multiboot modules as well as for the
kernel command line, by using double commas (via get_opt_value()).

Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Adam Lackorzynski 2011-07-06 10:03:57 +02:00 committed by Anthony Liguori
parent 6141dbfe0a
commit 49e40b6627
1 changed files with 9 additions and 9 deletions
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18
hw/multiboot.c
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@ -97,11 +97,11 @@ typedef struct {
static uint32_t mb_add_cmdline(MultibootState *s, const char *cmdline)
{
int len = strlen(cmdline) + 1;
target_phys_addr_t p = s->offset_cmdlines;
char *b = (char *)s->mb_buf + p;
pstrcpy((char *)s->mb_buf + p, len, cmdline);
s->offset_cmdlines += len;
get_opt_value(b, strlen(cmdline) + 1, cmdline);
s->offset_cmdlines += strlen(b) + 1;
return s->mb_buf_phys + p;
}
@ -238,7 +238,7 @@ int load_multiboot(void *fw_cfg,
const char *r = initrd_filename;
mbs.mb_buf_size += strlen(r) + 1;
mbs.mb_mods_avail = 1;
while ((r = strchr(r, ','))) {
while (*(r = get_opt_value(NULL, 0, r))) {
mbs.mb_mods_avail++;
r++;
}
@ -252,7 +252,7 @@ int load_multiboot(void *fw_cfg,
mbs.offset_cmdlines = mbs.offset_mbinfo + mbs.mb_mods_avail * MB_MOD_SIZE;
if (initrd_filename) {
char *next_initrd;
char *next_initrd, not_last;
mbs.offset_mods = mbs.mb_buf_size;
@ -261,9 +261,9 @@ int load_multiboot(void *fw_cfg,
int mb_mod_length;
uint32_t offs = mbs.mb_buf_size;
next_initrd = strchr(initrd_filename, ',');
if (next_initrd)
*next_initrd = '\0';
next_initrd = (char *)get_opt_value(NULL, 0, initrd_filename);
not_last = *next_initrd;
*next_initrd = '\0';
/* if a space comes after the module filename, treat everything
after that as parameters */
target_phys_addr_t c = mb_add_cmdline(&mbs, initrd_filename);
@ -287,7 +287,7 @@ int load_multiboot(void *fw_cfg,
(char *)mbs.mb_buf + offs,
(char *)mbs.mb_buf + offs + mb_mod_length, c);
initrd_filename = next_initrd+1;
} while (next_initrd);
} while (not_last);
}
/* Commandline support */