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authorAlejandro Soto <alejandro@34project.org>2024-01-21 06:23:46 -0600
committerAlejandro Soto <alejandro@34project.org>2024-02-20 11:11:17 -0600
commitf3b18ead59ae02f95dabbf0a1dea40873a816975 (patch)
tree8979e50f2a37f66a4cd27e937b480efe60d72cf7 /rtl/core/core_cp15_far.sv
parenta8bc5a353ea997f73209b39377ee15a73e471237 (diff)
rtl: refactor filenames and directory hierarchy
Diffstat (limited to 'rtl/core/core_cp15_far.sv')
-rw-r--r--rtl/core/core_cp15_far.sv31
1 files changed, 31 insertions, 0 deletions
diff --git a/rtl/core/core_cp15_far.sv b/rtl/core/core_cp15_far.sv
new file mode 100644
index 0000000..ca1dcf1
--- /dev/null
+++ b/rtl/core/core_cp15_far.sv
@@ -0,0 +1,31 @@
+`include "core/uarch.sv"
+`include "core/cp15_map.sv"
+
+module core_cp15_far
+(
+ input logic clk,
+ rst_n,
+
+ input logic load,
+ transfer,
+ input word write,
+
+ input logic fault_register,
+ input ptr fault_addr,
+
+ output word read /*verilator public*/
+);
+
+ word far;
+
+ assign read = far;
+
+ always @(posedge clk or negedge rst_n)
+ if(!rst_n)
+ far <= 0;
+ else if(fault_register)
+ far <= {fault_addr, 2'b00};
+ else if(transfer && !load)
+ far <= write;
+
+endmodule