rtl: refactor filenames and directory hierarchy

1 files changed, 105 insertions, 0 deletions

diff --git a/rtl/core/mmu_format.sv b/rtl/core/mmu_format.sv
new file mode 100644
index 0000000..3029b83
--- /dev/null
+++ b/rtl/core/mmu_format.sv
@@ -0,0 +1,105 @@
+`ifndef CORE_MMU_FORMAT_SV
+`define CORE_MMU_FORMAT_SV
+
+typedef logic[17:0] mmu_base;
+typedef logic[3:0]  mmu_domain;
+
+`define MMU_L1_INDEX     [29:18]
+`define MMU_L1_FAULT     2'b00
+`define MMU_L1_PAGETABLE 2'b01
+`define MMU_L1_SECTION   2'b10
+
+typedef struct packed
+{
+	logic[31:10] field10;
+	logic[9:9]   imp;
+	logic[8:5]   domain;
+	logic[4:4]   sbz;
+	logic[3:2]   field2;
+	logic[1:0]   typ;
+} mmu_l1_entry;
+
+typedef struct packed
+{
+	logic[31:10] base;
+	logic[9:9]   imp;
+	logic[8:5]   domain;
+	logic[4:2]   sbz;
+	logic[1:0]   typ;
+} mmu_l1_pagetable;
+
+typedef struct packed
+{
+	logic[31:20] base;
+	logic[19:15] sbz0;
+	logic[14:12] tex;
+	logic[11:10] ap;
+	logic[9:9]   imp;
+	logic[8:5]   domain;
+	logic[4:4]   sbz1;
+	logic[3:3]   c;
+	logic[2:2]   b;
+	logic[1:0]   typ;
+} mmu_l1_section;
+
+`define MMU_SECTION_INDEX [17:0]
+
+`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
+
+typedef struct packed
+{
+	logic[31:16] base;
+	logic[15:15] sbz;
+	logic[14:12] tex;
+	logic[11:10] ap3;
+	logic[9:8]   ap2;
+	logic[7:6]   ap1;
+	logic[5:4]   ap0;
+	logic[3:3]   c;
+	logic[2:2]   b;
+	logic[1:0]   typ;
+} mmu_l2_large;
+
+typedef struct packed
+{
+	logic[31:12] base;
+	logic[11:10] ap3;
+	logic[9:8]   ap2;
+	logic[7:6]   ap1;
+	logic[5:4]   ap0;
+	logic[3:3]   c;
+	logic[2:2]   b;
+	logic[1:0]   typ;
+} mmu_l2_small;
+
+typedef struct packed
+{
+	logic[31:12] base;
+	logic[11:9]  sbz;
+	logic[8:6]   tex;
+	logic[5:4]   ap;
+	logic[3:3]   c;
+	logic[2:2]   b;
+	logic[1:0]   typ;
+} mmu_l2_smallext;
+
+`define MMU_LARGE_INDEX [13:0]
+`define MMU_SMALL_INDEX [9:0]
+
+typedef logic[1:0] mmu_fault_type;
+
+`define MMU_FAULT_WALK   2'b01
+`define MMU_FAULT_DOMAIN 2'b10
+`define MMU_FAULT_ACCESS 2'b11
+
+typedef struct packed
+{
+	logic manager,
+	      allowed;
+} mmu_domain_ctrl;
+
+`endif