summaryrefslogtreecommitdiff
path: root/rtl/core/mmu/format.sv
diff options
context:
space:
mode:
authorAlejandro Soto <alejandro@34project.org>2022-12-10 19:36:38 -0600
committerAlejandro Soto <alejandro@34project.org>2022-12-10 19:36:38 -0600
commit8026947ecdf9b023c3720b26bf257bf46f7a2805 (patch)
tree8b2fbd0beb29c575730a76b010e8aa35977d5417 /rtl/core/mmu/format.sv
parent02f76bae32e295bf1da04e38dfa12dfbc5832aec (diff)
Implement rest of cp15 registers
Diffstat (limited to 'rtl/core/mmu/format.sv')
-rw-r--r--rtl/core/mmu/format.sv20
1 files changed, 20 insertions, 0 deletions
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