Exit if we try to write more than one GPR or CR in a cycle

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
jtag-port
Anton Blanchard 5 years ago committed by Anton Blanchard
parent ab34c48392
commit 50a361a5dc

@ -52,12 +52,12 @@ begin
x := "" & e_in.valid; x := "" & e_in.valid;
y := "" & l_in.valid; y := "" & l_in.valid;
z := "" & m_in.valid; z := "" & m_in.valid;
assert (to_integer(unsigned(x)) + to_integer(unsigned(y)) + to_integer(unsigned(z))) <= 1; assert (to_integer(unsigned(x)) + to_integer(unsigned(y)) + to_integer(unsigned(z))) <= 1 severity failure;


x := "" & e_in.write_enable; x := "" & e_in.write_enable;
y := "" & l_in.write_enable; y := "" & l_in.write_enable;
z := "" & m_in.write_reg_enable; z := "" & m_in.write_reg_enable;
assert (to_integer(unsigned(x)) + to_integer(unsigned(y)) + to_integer(unsigned(z))) <= 1; assert (to_integer(unsigned(x)) + to_integer(unsigned(y)) + to_integer(unsigned(z))) <= 1 severity failure;


assert not(e_in.write_cr_enable = '1' and m_in.write_cr_enable = '1'); assert not(e_in.write_cr_enable = '1' and m_in.write_cr_enable = '1');



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