void cmdline_parse(const char *cmdline, const cmdline_option_t *options,
char vals[][MAX_VALUE_LEN])
{
const char *p = cmdline;
int i;
/* copy default values to vals[] */
for ( i = 0; options[i].name != NULL; i++ ) {
vmm_strncpy(vals[i], options[i].def_val, MAX_VALUE_LEN-1);
vals[i][MAX_VALUE_LEN-1] = '\0';
}
if ( p == NULL )
return;
/* parse options */
while ( 1 ) {
/* skip whitespace */
while ( isspace(*p) )
p++;
if ( *p == '\0' )
break;
/* find end of current option */
const char *opt_start = p;
const char *opt_end = (const char*)vmm_strchr(opt_start, ' ');
if ( opt_end == NULL )
opt_end = opt_start + vmm_strlen(opt_start);
p = opt_end;
/* find value part; if no value found, use default and continue */
const char *val_start = vmm_strchr(opt_start, '=');
if ( val_start == NULL || val_start > opt_end )
continue;
val_start++;
unsigned int opt_name_size = val_start - opt_start - 1;
unsigned int copy_size = opt_end - val_start;
if ( copy_size > MAX_VALUE_LEN - 1 )
copy_size = MAX_VALUE_LEN - 1;
if ( opt_name_size == 0 || copy_size == 0 )
continue;
/* value found, so copy it */
for ( i = 0; options[i].name != NULL; i++ ) {
if ( vmm_strncmp(options[i].name, opt_start, opt_name_size ) == 0 ) {
vmm_strncpy(vals[i], val_start, copy_size);
vals[i][copy_size] = '\0'; /* add '\0' to the end of string */
break;
}
}
}
}
static physical_addr_t acpi_get_table_base(const char * name)
{
int i;
for(i = 0; i < acpi_ctxt->nr_sys_hdr; i++) {
if (vmm_strncmp(name, acpi_ctxt->sdt_trans[i].signature,
SDT_SIGN_LEN) == 0)
return acpi_ctxt->rsdt->data[i];
}
return 0;
}
size_t acpi_get_table_length(const char * name)
{
int i;
for(i = 0; i < acpi_ctxt->nr_sys_hdr; i++) {
if (vmm_strncmp(name, acpi_ctxt->sdt_trans[i].signature,
SDT_SIGN_LEN) == 0)
return acpi_ctxt->sdt_trans[i].length;
}
return 0;
}
static int acpi_check_signature(const char *orig, const char *match)
{
return vmm_strncmp(orig, match, SDT_SIGN_LEN);
}
