Cadence's reg_verifier
Generation
1 | reg_verifier -domain uvmreg -top yapp_router_regs.xml -dut_name yapp_router_regs -out_file yapp_router_regs -cov -quicktest -pkg yapp_router_reg_pkg |
| generated file | description |
|---|---|
| yapp_router_regs_config.dat | Configuration information |
| yapp_router_regs_hdlpaths.dat | Path information for backddoor access |
| yapp_router_regs_rdb.sv | Register Model |
| cdns_uvmreg_utils_pkg.sv | Cadence utility package |
| quicktest.sv | UVM test to verify model |
Sanity Check
1 | make run_test |
1 | class yapp_router_regs_t extends cdns_uvm_reg_block; |
yapp_mem_c 1
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7class yapp_mem_c extends uvm_mem;
`uvm_object_utils(yapp_mem_c)
function new(input string name="router_yapp_mem");
super.new(name, 'h100, 8, "RW", UVM_NO_COVERAGE);
endfunction
endclass
yapp_pkt_mem_c
1 | class yapp_pkt_mem_c extends uvm_mem; |
yapp_regs_c
1 | class yapp_regs_c extends cdns_uvm_reg_block; |
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// Function: add_submap
//
// Add an address map
//
// Add the specified address map instance to this address map.
// The address map is located at the specified base address.
// The number of consecutive physical addresses occupied by the submap
// depends on the number of bytes in the physical interface
// that corresponds to the submap,
// the number of addresses used in the submap and
// the number of bytes in the
// physical interface corresponding to this address map.
//
// An address map may be added to multiple address maps
// if it is accessible from multiple physical interfaces.
// An address map may only be added to an address map
// in the grand-parent block of the address submap.
//
extern virtual function void add_submap (uvm_reg_map child_map,
uvm_reg_addr_t offset);
// Function: add_mem
//
// Add a memory
//
// Add the specified memory instance to this address map.
// The memory is located at the specified base address and has the
// specified access rights ("RW", "RO" or "WO").
// The number of consecutive physical addresses occupied by the memory
// depends on the width and size of the memory and the number of bytes in the
// physical interface corresponding to this address map.
//
// If ~unmapped~ is TRUE, the memory does not occupy any
// physical addresses and the base address is ignored.
// Unmapped memories require a user-defined ~frontdoor~ to be specified.
//
// A memory may be added to multiple address maps
// if it is accessible from multiple physical interfaces.
// A memory may only be added to an address map whose parent block
// is the same as the memory's parent block.
//
extern virtual function void add_mem (uvm_mem mem,
uvm_reg_addr_t offset,
string rights = "RW",
bit unmapped=0,
uvm_reg_frontdoor frontdoor=null);
endclass: uvm_reg_map
register model print
// test run_phase
model.default_map.print();
1 | ---------------------------------------------------------------------------------------------------------------------------- |
address map print
// test run_phase
model.router_yapp_regs.default_map.print();
1 | --------------------------------------------------------------------------- |
submap print
// test run_phase
model.router_yapp_regs.default_map.print();
1 | ------------------------------------------------------------------------- |
cdns_uvmreg_utils_pkg
uvm_reg_field_config_t
1 | typedef struct { |
uvm_reg_config_t
1 | typedef struct { |
uvm_blk_config_t
1 | typedef struct { |
uvm_reg_field_config_ta
1 | typedef uvm_reg_field_config_t uvm_reg_field_config_ta[]; |
uvm_reg_field_config_tq
1 | typedef uvm_reg_field_config_ta uvm_reg_field_config_tq[string]; |
build_uvm_regs
1 | function automatic void build_uvm_regs(uvm_reg_map map, uvm_reg_block pblock, uvm_reg_file pfile, ref uvm_reg_config_t f_props[], output uvm_reg out[$]); |
- dynamic array
- need
new[size]- queue
- DONT need
new
1 | UVM_INFO ./cdns_uvmreg_utils_pkg.sv(322) @ 0: reporter [[build_uvm_regs]] ### addr0_cnt_reg_c offset: 9 |
In submap, offset is 0-based,
router.add_submap(router_yapp_regs.default_map, ``UVM_REG_ADDR_WIDTH'h1000)configure base addr for submap
IP-XACT XML : yapp_router_regs.xml
memory
yapp_pkt_mem
yapp_mem
register
yapp_regs
ctrl_reg
en_reg
