From 8026947ecdf9b023c3720b26bf257bf46f7a2805 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sat, 10 Dec 2022 19:36:38 -0600
Subject: Implement rest of cp15 registers

---
 rtl/core/mmu/format.sv | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 rtl/core/mmu/format.sv

(limited to 'rtl/core/mmu')

diff --git a/rtl/core/mmu/format.sv b/rtl/core/mmu/format.sv
new file mode 100644
index 0000000..c0918a3
--- /dev/null
+++ b/rtl/core/mmu/format.sv
@@ -0,0 +1,20 @@
+`ifndef CORE_MMU_FORMAT_SV
+`define CORE_MMU_FORMAT_SV
+
+typedef logic[17:0] mmu_base;
+
+`define MMU_L1_INDEX     [29:18]
+`define MMU_L1_FAULT     2'b00
+`define MMU_L1_PAGETABLE 2'b01
+`define MMU_L1_SECTION   2'b10
+
+`define MMU_L2_INDEX    [17:10]
+`define MMU_L2_FAULT    2'b00
+`define MMU_L2_LARGE    2'b01
+`define MMU_L2_SMALL    2'b10
+`define MMU_L2_SMALLEXT 2'b11
+
+`define MMU_LARGE_INDEX [13:0]
+`define MMU_SMALL_INDEX [11:0]
+
+`endif
-- 
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