diff options
| author | Alejandro Soto <alejandro@34project.org> | 2022-12-13 14:59:33 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2022-12-16 16:29:10 -0600 |
| commit | 1f94f0eb7e214bff29468bf9c39cb99520e290f2 (patch) | |
| tree | f2d3177fcee7d0113682301db15455341957acdf /rtl/core/cp15/cp15.sv | |
| parent | 02712d69cdd859d702cc7577e72db27d6f0c9ad5 (diff) | |
Add cp15 cyclecnt clock source
Diffstat (limited to '')
| -rw-r--r-- | rtl/core/cp15/cp15.sv | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/rtl/core/cp15/cp15.sv b/rtl/core/cp15/cp15.sv index 0659cad..5a482d4 100644 --- a/rtl/core/cp15/cp15.sv +++ b/rtl/core/cp15/cp15.sv @@ -10,7 +10,8 @@ module core_cp15 input coproc_decode dec, input word write, - input logic fault_register, + input logic halt, + fault_register, fault_page, input ptr fault_addr, input mmu_fault_type fault_type, @@ -31,8 +32,8 @@ module core_cp15 assign {op1, op2} = {dec.op1, dec.op2}; assign load = dec.load; - word read_cpuid, read_syscfg, read_ttbr, read_domain, - read_far, read_fsr, read_cache_lockdown, read_tlb_lockdown; + word read_cpuid, read_syscfg, read_ttbr, read_domain, read_far, + read_fsr, read_cache_lockdown, read_tlb_lockdown, read_cyclecnt; core_cp15_cpuid cpuid ( @@ -101,6 +102,12 @@ module core_cp15 .* ); + core_cp15_cyclecnt cyclecnt + ( + .read(read_cyclecnt), + .* + ); + always_comb unique case(crn) `CP15_CRN_CPUID: @@ -127,6 +134,9 @@ module core_cp15 `CP15_CRN_TLB_LCK: read = read_tlb_lockdown; + `CP15_CRN_CYCLECNT: + read = read_cyclecnt; + default: read = {$bits(read){1'bx}}; endcase |