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path: root/host/lib/transport/gen_vrt_if_packet.py
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Diffstat (limited to 'host/lib/transport/gen_vrt_if_packet.py')
-rwxr-xr-xhost/lib/transport/gen_vrt_if_packet.py44
1 files changed, 31 insertions, 13 deletions
diff --git a/host/lib/transport/gen_vrt_if_packet.py b/host/lib/transport/gen_vrt_if_packet.py
index 7440def6a..5f048d8c7 100755
--- a/host/lib/transport/gen_vrt_if_packet.py
+++ b/host/lib/transport/gen_vrt_if_packet.py
@@ -62,6 +62,8 @@ static pred_table_type get_pred_unpack_table(void){
if(vrt_hdr_word & $hex(0x3 << 22)) table[i] |= $hex($tsi_p);
if(vrt_hdr_word & $hex(0x3 << 20)) table[i] |= $hex($tsf_p);
if(vrt_hdr_word & $hex(0x1 << 26)) table[i] |= $hex($tlr_p);
+ if(vrt_hdr_word & $hex(0x1 << 24)) table[i] |= $hex($eob_p);
+ if(vrt_hdr_word & $hex(0x1 << 25)) table[i] |= $hex($sob_p);
}
return table;
}
@@ -84,9 +86,11 @@ void vrt::if_hdr_pack_$(suffix)(
if (if_packet_info.has_tsi) pred |= $hex($tsi_p);
if (if_packet_info.has_tsf) pred |= $hex($tsf_p);
if (if_packet_info.has_tlr) pred |= $hex($tlr_p);
+ if (if_packet_info.eob) pred |= $hex($eob_p);
+ if (if_packet_info.sob) pred |= $hex($sob_p);
switch(pred){
- #for $pred in range(2**5)
+ #for $pred in range(2**7)
case $pred:
#set $num_header_words = 1
#set $flags = 0
@@ -126,6 +130,13 @@ void vrt::if_hdr_pack_$(suffix)(
#else
#set $num_trailer_words = 0;
#end if
+ ########## Burst Flags ##########
+ #if $pred & $eob_p
+ #set $flags |= (0x1 << 24);
+ #end if
+ #if $pred & $sob_p
+ #set $flags |= (0x1 << 25);
+ #end if
########## Variables ##########
if_packet_info.num_header_words32 = $num_header_words;
if_packet_info.num_packet_words32 = $($num_header_words + $num_trailer_words) + if_packet_info.num_payload_words32;
@@ -134,10 +145,6 @@ void vrt::if_hdr_pack_$(suffix)(
#end for
}
- //set the burst flags
- if (if_packet_info.sob) vrt_hdr_flags |= $hex(0x1 << 25);
- if (if_packet_info.eob) vrt_hdr_flags |= $hex(0x1 << 24);
-
//fill in complete header word
packet_buff[0] = $(XE_MACRO)(boost::uint32_t(0
| (if_packet_info.packet_type << 29)
@@ -162,13 +169,11 @@ void vrt::if_hdr_unpack_$(suffix)(
//extract fields from the header
if_packet_info.packet_type = if_packet_info_t::packet_type_t(vrt_hdr_word >> 29);
if_packet_info.packet_count = (vrt_hdr_word >> 16) & 0xf;
- //if_packet_info.sob = bool(vrt_hdr_word & $hex(0x1 << 25)); //not implemented
- //if_packet_info.eob = bool(vrt_hdr_word & $hex(0x1 << 24)); //not implemented
const pred_type pred = pred_unpack_table[pred_table_index(vrt_hdr_word)];
switch(pred){
- #for $pred in range(2**5)
+ #for $pred in range(2**7)
case $pred:
#set $has_time_spec = False
#set $num_header_words = 1
@@ -215,6 +220,17 @@ void vrt::if_hdr_unpack_$(suffix)(
if_packet_info.has_tlr = false;
#set $num_trailer_words = 0;
#end if
+ ########## Burst Flags ##########
+ #if $pred & $eob_p
+ if_packet_info.eob = true;
+ #else
+ if_packet_info.eob = false;
+ #end if
+ #if $pred & $sob_p
+ if_packet_info.sob = true;
+ #else
+ if_packet_info.sob = false;
+ #end if
########## Variables ##########
//another failure case
if (packet_words32 < $($num_header_words + $num_trailer_words))
@@ -243,9 +259,11 @@ if __name__ == '__main__':
open(sys.argv[1], 'w').write(parse_tmpl(
TMPL_TEXT,
file=__file__,
- sid_p = 0b00001,
- cid_p = 0b00010,
- tsi_p = 0b00100,
- tsf_p = 0b01000,
- tlr_p = 0b10000,
+ sid_p = 0b0000001,
+ cid_p = 0b0000010,
+ tsi_p = 0b0000100,
+ tsf_p = 0b0001000,
+ tlr_p = 0b0010000,
+ sob_p = 0b0100000,
+ eob_p = 0b1000000,
))