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Software for White Rabbit PTP Core
Commit 01972b89 authored by Federico Vaga's avatar Federico Vaga
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tools:vuart: add option to select big-endian 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent fc7ab8d9
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Showing with 11 additions and 7 deletions
liblinux/devmap.c
View file @ 01972b89
......@@ -121,12 +121,11 @@ struct mapping_desc *dev_map(struct mapping_args *map_args, uint32_t map_length)
desc->base = desc->mmap + map_args->offset - pa_offset;
/*
* @todo for future VME devices handled via a resource file,
* exposed in standard place (/sys/bus/vme/device/xxx/resource-file)
* the bus type (pci or vme) should be checked to set properly
* the endianess (could be get from the path's resource)
* @todo when WhiteRabbit will use a Byte-Order-Mask, use it to
* detect endianess automatically
*/
desc->is_be = 0; /* default set to little endian */
desc->is_be = map_args->is_be;
return desc;
out_mmap:
......@@ -284,7 +283,7 @@ struct mapping_args *dev_parse_mapping_args(int argc, char *argv[])
return map_args;
}
#endif
while ((c = getopt (argc, argv, "o:f:")) != -1)
while ((c = getopt (argc, argv, "o:f:b")) != -1)
{
switch (c)
{
......@@ -300,6 +299,9 @@ struct mapping_args *dev_parse_mapping_args(int argc, char *argv[])
map_args->resource_file = optarg;
++arg_count;
break;
case 'b':
map_args->is_be = 1;
break;
case '?':
/* ignore unknown arguments */
break;
......@@ -326,10 +328,11 @@ const char * const dev_mapping_help()
{
static char help_msg[] =
"Device mapping options: \n"
"\t-f <file resource path> -o 0x<address offset>\n"
"\t-f <file resource path> -o 0x<address offset> [-b]\n"
"Arguments:\n"
"\t-t resource file to mmap\n"
"\t-o memory offset from within the resource\n"
"\t-b big endian access\n"
#ifdef SUPPORT_CERN_VMEBRIDGE
"Device mapping options for CERN vmebus driver: \n"
"\t--cern-vmebridge -a 0x<VME base address> \n"
......
liblinux/libdevmap.h
View file @ 01972b89
......@@ -14,6 +14,7 @@
struct mapping_args {
char *resource_file;
uint64_t offset;
int is_be;
void *vme_extra_args;
};
......
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