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PoC: Control access to FW RAM

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Allow FW RAM access only in the following execution contexts:
- Firmware mode
- IRQ_SYSCALL_HI

Input port `system_mode` of the `fw_ram` module is replaced with an
enable port. Since access to FW RAM not longer depend only on
system_mode
This commit is contained in:
Mikael Ågren 2024-12-11 14:29:04 +01:00
parent a871d23d5d
commit 62dba7c4fe
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GPG key ID: E02DA3D397792C46
7 changed files with 92 additions and 37 deletions
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2
hw/application_fpga/tb/tb_application_fpga_sim.v
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@ -80,7 +80,7 @@ module tb_application_fpga_sim ();
//----------------------------------------------------------------
initial begin
// End simulation after XXX time units (set by timescale)
#1600;
#3000;
$display("TIMEOUT");
$finish;
end