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Less expensive but slower fetch logic

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This commit is contained in:
felsabbagh3
2019-05-05 22:55:47 -04:00
parent f21eaec79f
commit 191ed73415
28 changed files with 904 additions and 1672 deletions
Download Patch File Download Diff File Expand all files Collapse all files

173
rtl/obj_dir/VVortex.h
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@@ -43,12 +43,7 @@ VL_MODULE(VVortex) {
VL_SIG8(Vortex__DOT__decode_clone_stall,0,0);
VL_SIG8(Vortex__DOT__decode_change_mask,0,0);
VL_SIG8(Vortex__DOT__execute_branch_stall,0,0);
VL_SIG8(Vortex__DOT__memory_branch_dir,0,0);
VL_SIG8(Vortex__DOT__forwarding_fwd_stall,0,0);
VL_SIG8(Vortex__DOT__vx_fetch__DOT__stall_reg,0,0);
VL_SIG8(Vortex__DOT__vx_fetch__DOT__delay_reg,0,0);
VL_SIG8(Vortex__DOT__vx_fetch__DOT__state,4,0);
VL_SIG8(Vortex__DOT__vx_fetch__DOT__prev_debug,0,0);
VL_SIG8(Vortex__DOT__vx_fetch__DOT__stall,0,0);
VL_SIG8(Vortex__DOT__vx_decode__DOT__is_itype,0,0);
VL_SIG8(Vortex__DOT__vx_decode__DOT__is_csr,0,0);
@@ -90,19 +85,12 @@ VL_MODULE(VVortex) {
VL_SIG16(Vortex__DOT__vx_csr_handler__DOT__decode_csr_address,11,0);
VL_SIG(Vortex__DOT__decode_itype_immed,31,0);
VL_SIG(Vortex__DOT__decode_jal_offset,31,0);
VL_SIG(Vortex__DOT__memory_branch_dest,31,0);
VL_SIG(Vortex__DOT__csr_decode_csr_data,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__old,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__real_PC,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__JAL_reg,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__BR_reg,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__PC_to_use,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__temp_PC,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__VX_Warp__DOT__real_PC,31,0);
VL_SIG(Vortex__DOT__vx_fetch__DOT__VX_Warp__DOT__temp_PC,31,0);
VL_SIG(Vortex__DOT__vx_f_d_reg__DOT__instruction,31,0);
VL_SIG(Vortex__DOT__vx_f_d_reg__DOT__curr_PC,31,0);
VL_SIG(Vortex__DOT__vx_d_e_reg__DOT__PC_next_out,31,0);
};
struct {
VL_SIG(Vortex__DOT__vx_d_e_reg__DOT__itype_immed,31,0);
VL_SIG(Vortex__DOT__vx_d_e_reg__DOT__upper_immed,19,0);
VL_SIG(Vortex__DOT__vx_d_e_reg__DOT__csr_mask,31,0);
@@ -113,6 +101,8 @@ VL_MODULE(VVortex) {
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__csr_result,31,0);
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__curr_PC,31,0);
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__branch_offset,31,0);
};
struct {
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__jal_dest,31,0);
VL_SIG(Vortex__DOT__vx_m_w_reg__DOT__PC_next,31,0);
VL_SIG64(Vortex__DOT__vx_execute__DOT__genblk1__BRA__0__KET____DOT__vx_alu__DOT__mult_signed_result,63,0);
@@ -158,96 +148,82 @@ VL_MODULE(VVortex) {
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__a_reg_data[1],31,0);
VL_SIG(Vortex__DOT__vx_e_m_reg__DOT__b_reg_data[1],31,0);
VL_SIG8(Vortex__DOT__vx_e_m_reg__DOT__valid[1],0,0);
VL_SIG8(Vortex__DOT__vx_memory__DOT__sm_valid[1],0,0);
VL_SIG(Vortex__DOT__vx_memory__DOT__sm_out_data[1],31,0);
VL_SIG(Vortex__DOT__vx_memory__DOT__vx_shared_memory__DOT__mem[256],31,0);
VL_SIG(Vortex__DOT__vx_m_w_reg__DOT__alu_result[1],31,0);
VL_SIG(Vortex__DOT__vx_m_w_reg__DOT__mem_result[1],31,0);
VL_SIG8(Vortex__DOT__vx_m_w_reg__DOT__valid[1],0,0);
VL_SIG(Vortex__DOT__vx_writeback__DOT__out_pc_data[1],31,0);
VL_SIG(Vortex__DOT__vx_forwarding__DOT__use_execute_PC_next[1],31,0);
VL_SIG(Vortex__DOT__vx_forwarding__DOT__use_memory_PC_next[1],31,0);
};
struct {
VL_SIG(Vortex__DOT__vx_forwarding__DOT__use_writeback_PC_next[1],31,0);
VL_SIG16(Vortex__DOT__vx_csr_handler__DOT__csr[4096],11,0);
};
// LOCAL VARIABLES
// Internals; generally not touched by application code
// Anonymous structures to workaround compiler member-count bugs
struct {
// Begin mtask footprint all:
VL_SIG8(__Vtableidx1,2,0);
VL_SIG8(__Vclklast__TOP__clk,0,0);
VL_SIG8(__Vclklast__TOP__reset,0,0);
VL_SIG(Vortex__DOT__vx_decode__DOT____Vcellout__vx_register_file_master__out_src2_data,31,0);
VL_SIG(Vortex__DOT__vx_decode__DOT____Vcellout__vx_register_file_master__out_src1_data,31,0);
VL_SIG(Vortex__DOT__vx_execute__DOT____Vcellout__genblk1__BRA__0__KET____DOT__vx_alu__out_alu_result,31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_fetch__out_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_fetch__in_thread_mask[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_f_d_reg__out_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_f_d_reg__in_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_decode__out_thread_mask[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_decode__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_decode__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_decode__out_a_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_src2_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_src1_fwd_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_decode__in_wb_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_write_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_decode__in_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_d_e_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_d_e_reg__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_d_e_reg__out_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_d_e_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_d_e_reg__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_d_e_reg__in_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_execute__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_execute__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_execute__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_execute__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_execute__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_execute__in_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_e_m_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_e_m_reg__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_e_m_reg__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_e_m_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_e_m_reg__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_e_m_reg__in_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_address[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_memory__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_cache_driver_out_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_memory__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_rd2[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_m_w_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_m_w_reg__out_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_m_w_reg__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_m_w_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_m_w_reg__in_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_m_w_reg__in_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_writeback__out_write_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_writeback__in_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_writeback__in_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_forwarding__out_src2_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_forwarding__out_src1_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_writeback_mem_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_writeback_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_memory_mem_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_memory_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_execute_alu_result[1],31,0);
VL_SIG(Vortex__DOT__vx_memory__DOT____Vcellout__vx_shared_memory__out_data[1],31,0);
};
struct {
VL_SIG(Vortex__DOT__vx_memory__DOT____Vcellinp__vx_shared_memory__in_data[1],31,0);
VL_SIG8(Vortex__DOT__vx_memory__DOT____Vcellinp__vx_shared_memory__in_valid[1],0,0);
VL_SIG(Vortex__DOT__vx_memory__DOT____Vcellinp__vx_shared_memory__in_address[1],31,0);
};
// Begin mtask footprint all:
VL_SIG8(__Vtableidx1,2,0);
VL_SIG8(__Vclklast__TOP__clk,0,0);
VL_SIG8(__Vclklast__TOP__reset,0,0);
VL_SIG(Vortex__DOT__vx_decode__DOT____Vcellout__vx_register_file_master__out_src2_data,31,0);
VL_SIG(Vortex__DOT__vx_decode__DOT____Vcellout__vx_register_file_master__out_src1_data,31,0);
VL_SIG(Vortex__DOT__vx_execute__DOT____Vcellout__genblk1__BRA__0__KET____DOT__vx_alu__out_alu_result,31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_fetch__out_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_fetch__in_thread_mask[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_f_d_reg__out_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_f_d_reg__in_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_decode__out_thread_mask[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_decode__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_decode__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_decode__out_a_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_src2_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_src1_fwd_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_decode__in_wb_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_decode__in_write_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_decode__in_valid[1],0,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_d_e_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_d_e_reg__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_d_e_reg__out_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_d_e_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_d_e_reg__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_d_e_reg__in_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_execute__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_execute__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_execute__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_execute__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_execute__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_execute__in_a_reg_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_e_m_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_e_m_reg__out_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_e_m_reg__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_e_m_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_e_m_reg__in_b_reg_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_e_m_reg__in_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_cache_driver_in_address[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_memory__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_memory__out_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_cache_driver_out_data[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_memory__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_rd2[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_memory__in_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellout__vx_m_w_reg__out_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellout__vx_m_w_reg__out_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_m_w_reg__out_alu_result[1],31,0);
VL_SIG8(Vortex__DOT____Vcellinp__vx_m_w_reg__in_valid[1],0,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_m_w_reg__in_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_m_w_reg__in_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_writeback__out_write_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_writeback__in_mem_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_writeback__in_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_forwarding__out_src2_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellout__vx_forwarding__out_src1_fwd_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_writeback_mem_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_writeback_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_memory_mem_data[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_memory_alu_result[1],31,0);
VL_SIG(Vortex__DOT____Vcellinp__vx_forwarding__in_execute_alu_result[1],31,0);
static VL_ST_SIG8(__Vtable1_Vortex__DOT__vx_decode__DOT__mul_alu[8],4,0);
// INTERNAL VARIABLES
@@ -282,8 +258,8 @@ VL_MODULE(VVortex) {
private:
static QData _change_request(VVortex__Syms* __restrict vlSymsp);
public:
static void _combo__TOP__4(VVortex__Syms* __restrict vlSymsp);
static void _combo__TOP__9(VVortex__Syms* __restrict vlSymsp);
static void _combo__TOP__5(VVortex__Syms* __restrict vlSymsp);
static void _combo__TOP__8(VVortex__Syms* __restrict vlSymsp);
private:
void _ctor_var_reset();
public:
@@ -295,13 +271,12 @@ VL_MODULE(VVortex) {
public:
static void _eval_initial(VVortex__Syms* __restrict vlSymsp);
static void _eval_settle(VVortex__Syms* __restrict vlSymsp);
static void _initial__TOP__6(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__2(VVortex__Syms* __restrict vlSymsp);
static void _initial__TOP__1(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__3(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__5(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__4(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__6(VVortex__Syms* __restrict vlSymsp);
static void _sequent__TOP__7(VVortex__Syms* __restrict vlSymsp);
static void _settle__TOP__1(VVortex__Syms* __restrict vlSymsp);
static void _settle__TOP__8(VVortex__Syms* __restrict vlSymsp);
static void _settle__TOP__2(VVortex__Syms* __restrict vlSymsp);
} VL_ATTR_ALIGNED(128);
#endif // guard