mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-04-23 00:55:32 +00:00
Code Activity

Index struct/union members within corresponding wire chunks

Browse source 
This guards against access to bits outside of struct/union
members via dynamic indexing.
This commit is contained in:
Dag Lem 2023-02-28 18:45:55 +01:00
parent 79043cb849
commit 0d3423ddea
5 changed files with 68 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

3
tests/svtypes/struct_array.sv
View file

@ -12,15 +12,16 @@ module top;
s.a[2:1] = 16'h1234;
s.a[5] = 8'h42;
s.a[-1] = '0;
s.b = '1;
s.b[1:0] = '0;
end
always_comb assert(s==64'h4200_0012_3400_FFFC);
always_comb assert(s.a[0][3:-4]===8'h0x);
always_comb assert(s.b[23:16]===8'hxx);
always_comb assert(s.b[19:12]===8'hxf);
always_comb assert(s.a[0][3:-4]===8'h0x);
struct packed {
bit [7:0] [7:0] a; // 8 element packed array of bytes