Architecture >> syn

Processes
proc_ibres	( IBSEL_CPUERR , IB_MREQ , R_CPUERR )
proc_status	( CLK )
proc_cpuerr	( CLK )
proc_state	( CLK )
proc_next	( R_STATE , R_STATUS , PSW , CP_CNTL , ID_STAT , R_IDSTAT , IREG , VM_STAT , DP_STAT , R_CPUERR , R_VMSTAT , IB_MREQ , IBSEL_CPUERR , INT_PRI , INT_VECT , ESUSP_I , HBPT )
	!! catch undefined states !!!
proc_cpstat	( R_STATUS )
proc_snum	( R_STATE )
proc_vmwait	( CLK )
proc_snum	( R_STATE , R_VMWAIT )

Procedures
	do_memread_i( pnstate: inout state_type pndpcntl: inout dpath_cntl_type pnvmcntl: inout vm_cntl_type pwstate: in state_type )
	do_memread_d( pnstate: inout state_type pnvmcntl: inout vm_cntl_type pwstate: in state_type pbytop: in slbit ' 0 ' pmacc: in slbit ' 0 ' pispace: in slbit ' 0 ' pkstack: in slbit ' 0 ' )
	do_memread_srcinc( pnstate: inout state_type pndpcntl: inout dpath_cntl_type pnvmcntl: inout vm_cntl_type pwstate: in state_type pnmmumoni: inout mmu_moni_type pupdt_sp: in slbit ' 0 ' )
	do_memwrite( pnstate: inout state_type pnvmcntl: inout vm_cntl_type pwstate: in state_type pmacc: in slbit ' 0 ' pispace: in slbit ' 0 ' )
	do_memcheck( pnstate: inout state_type pnstatus: inout cpustat_type pmok: out boolean )
	do_const_opsize( pndpcntl: inout dpath_cntl_type pbytop: in slbit pisdef: in slbit pregnum: in slv3 )
	do_fork_dstr( pnstate: inout state_type , pidstat: in decode_stat_type )
	do_fork_opg( pnstate: inout state_type , pidstat: in decode_stat_type )
	do_fork_opa( pnstate: inout state_type , pidstat: in decode_stat_type )
	do_fork_next( pnstate: inout state_type pnstatus: inout cpustat_type pnmmumoni: inout mmu_moni_type )
	do_fork_next_pref( pnstate: inout state_type pnstatus: inout cpustat_type pndpcntl: inout dpath_cntl_type pnvmcntl: inout vm_cntl_type pnmmumoni: inout mmu_moni_type )
	do_start_vec( pnstate: inout state_type pndpcntl: inout dpath_cntl_type pvector: in slv9_2 )

Constants
ibaddr_cpuerr	slv16 := slv ( to_unsigned ( 8#177766# , 16 ) )
cpuerr_ibf_illhlt	integer := 7
cpuerr_ibf_oddadr	integer := 6
cpuerr_ibf_nxm	integer := 5
cpuerr_ibf_iobto	integer := 4
cpuerr_ibf_ysv	integer := 3
cpuerr_ibf_rsv	integer := 2

Types

state_type ( s_idle , s_cp_regread , s_cp_rps , s_cp_memr_w , s_cp_memw_w , s_ifetch , s_ifetch_w , s_idecode , s_srcr_def , s_srcr_def_w , s_srcr_inc , s_srcr_inc_w , s_srcr_dec , s_srcr_dec1 , s_srcr_ind , s_srcr_ind1_w , s_srcr_ind2 , s_srcr_ind2_w , s_dstr_def , s_dstr_def_w , s_dstr_inc , s_dstr_inc_w , s_dstr_dec , s_dstr_dec1 , s_dstr_ind , s_dstr_ind1_w , s_dstr_ind2 , s_dstr_ind2_w , s_dstw_def , s_dstw_def_w , s_dstw_inc , s_dstw_inc_w , s_dstw_incdef_w , s_dstw_dec , s_dstw_dec1 , s_dstw_ind , s_dstw_ind_w , s_dstw_def246 , s_dsta_inc , s_dsta_incdef_w , s_dsta_dec , s_dsta_dec1 , s_dsta_ind , s_dsta_ind_w , s_op_halt , s_op_wait , s_op_trap , s_op_reset , s_op_rts , s_op_rts_pop , s_op_rts_pop_w , s_op_spl , s_op_mcc , s_op_br , s_op_mark , s_op_mark1 , s_op_mark_pop , s_op_mark_pop_w , s_op_sob , s_op_sob1 , s_opg_gen , s_opg_gen_rmw_w , s_opg_mul , s_opg_mul1 , s_opg_div , s_opg_div_cn , s_opg_div_cr , s_opg_div_sq , s_opg_div_sr , s_opg_div_quit , s_opg_ash , s_opg_ash_cn , s_opg_ashc , s_opg_ashc_cn , s_opg_ashc_wl , s_opa_jsr , s_opa_jsr1 , s_opa_jsr_push , s_opa_jsr_push_w , s_opa_jsr2 , s_opa_jmp , s_opa_mtp , s_opa_mtp_pop_w , s_opa_mtp_reg , s_opa_mtp_mem , s_opa_mtp_mem_w , s_opa_mfp_reg , s_opa_mfp_mem , s_opa_mfp_mem_w , s_opa_mfp_dec , s_opa_mfp_push , s_opa_mfp_push_w , s_abort_4 , s_abort_10 , s_trap_disp , s_int_ext , s_vec_getpc , s_vec_getpc_w , s_vec_getps , s_vec_getps_w , s_vec_getsp , s_vec_decsp , s_vec_pushps , s_vec_pushps_w , s_vec_pushpc , s_vec_pushpc_w , s_rti_getpc , s_rti_getpc_w , s_rti_getps , s_rti_getps_w , s_rti_newpc , s_vmerr , s_cpufail )

Signals
R_STATE	state_type := s_idle
N_STATE	state_type
R_STATUS	cpustat_type := cpustat_init
N_STATUS	cpustat_type := cpustat_init
R_CPUERR	cpuerr_type := cpuerr_init
N_CPUERR	cpuerr_type := cpuerr_init
R_IDSTAT	decode_stat_type := decode_stat_init
N_IDSTAT	decode_stat_type := decode_stat_init
R_VMSTAT	vm_stat_type := vm_stat_init
IBSEL_CPUERR	slbit := ' 0 '
VM_CNTL_L	vm_cntl_type := vm_cntl_init
R_VMWAIT	slbit := ' 0 '

Attributes
fsm_encoding	string
fsm_encoding	signal is " one_hot "

Instantiations
sel	ib_sel <Entity ib_sel>

Detailed Description

Definition at line 130 of file pdp11_sequencer.vhd.

Member Function/Procedure/Process Documentation

◆ proc_ibres()

proc_ibres	(	IBSEL_CPUERR,
		IB_MREQ,
		R_CPUERR
	)

Definition at line 300 of file pdp11_sequencer.vhd.

◆ proc_status()

proc_status	(		CLK
	)

Process

Definition at line 317 of file pdp11_sequencer.vhd.

◆ proc_cpuerr()

proc_cpuerr	(		CLK
	)

Process

Definition at line 333 of file pdp11_sequencer.vhd.

◆ proc_state()

proc_state	(		CLK
	)

Process

Definition at line 344 of file pdp11_sequencer.vhd.

◆ do_memread_i()

do_memread_i	(	pnstate inout state_type ,
		pndpcntl inout dpath_cntl_type ,
		pnvmcntl inout vm_cntl_type ,
		pwstate in state_type
	)

Procedure

Definition at line 397 of file pdp11_sequencer.vhd.

◆ do_memread_d()

do_memread_d	(	pnstate inout state_type ,
		pnvmcntl inout vm_cntl_type ,
		pwstate in state_type ,
		pbytop in slbit ' 0 ' ,
		pmacc in slbit ' 0 ' ,
		pispace in slbit ' 0 ' ,
		pkstack in slbit ' 0 '
	)

Procedure

Definition at line 409 of file pdp11_sequencer.vhd.

◆ do_memread_srcinc()

do_memread_srcinc	(	pnstate inout state_type ,
		pndpcntl inout dpath_cntl_type ,
		pnvmcntl inout vm_cntl_type ,
		pwstate in state_type ,
		pnmmumoni inout mmu_moni_type ,
		pupdt_sp in slbit ' 0 '
	)

Procedure

Definition at line 425 of file pdp11_sequencer.vhd.

◆ do_memwrite()

do_memwrite	(	pnstate inout state_type ,
		pnvmcntl inout vm_cntl_type ,
		pwstate in state_type ,
		pmacc in slbit ' 0 ' ,
		pispace in slbit ' 0 '
	)

Procedure

Definition at line 450 of file pdp11_sequencer.vhd.

◆ do_memcheck()

do_memcheck	(	pnstate inout state_type ,
		pnstatus inout cpustat_type ,
		pmok out boolean
	)

Procedure

Definition at line 464 of file pdp11_sequencer.vhd.

◆ do_const_opsize()

do_const_opsize	(	pndpcntl inout dpath_cntl_type ,
		pbytop in slbit ,
		pisdef in slbit ,
		pregnum in slv3
	)

Procedure

Definition at line 486 of file pdp11_sequencer.vhd.

◆ do_fork_dstr()

do_fork_dstr	(	pnstate inout state_type ,
		pidstat in decode_stat_type
	)

Procedure

Definition at line 500 of file pdp11_sequencer.vhd.

◆ do_fork_opg()

do_fork_opg	(	pnstate inout state_type ,
		pidstat in decode_stat_type
	)

Procedure

Definition at line 512 of file pdp11_sequencer.vhd.

◆ do_fork_opa()

do_fork_opa	(	pnstate inout state_type ,
		pidstat in decode_stat_type
	)

Procedure

Definition at line 529 of file pdp11_sequencer.vhd.

◆ do_fork_next()

do_fork_next	(	pnstate inout state_type ,
		pnstatus inout cpustat_type ,
		pnmmumoni inout mmu_moni_type
	)

Procedure

Definition at line 542 of file pdp11_sequencer.vhd.

◆ do_fork_next_pref()

do_fork_next_pref	(	pnstate inout state_type ,
		pnstatus inout cpustat_type ,
		pndpcntl inout dpath_cntl_type ,
		pnvmcntl inout vm_cntl_type ,
		pnmmumoni inout mmu_moni_type
	)

Procedure

Definition at line 563 of file pdp11_sequencer.vhd.

◆ do_start_vec()

do_start_vec	(	pnstate inout state_type ,
		pndpcntl inout dpath_cntl_type ,
		pvector in slv9_2
	)

Procedure

Definition at line 591 of file pdp11_sequencer.vhd.

◆ proc_next()

proc_next	(	R_STATE ,
		R_STATUS ,
		PSW ,
		CP_CNTL ,
		ID_STAT ,
		R_IDSTAT ,
		IREG ,
		VM_STAT ,
		DP_STAT ,
		R_CPUERR ,
		R_VMSTAT ,
		IB_MREQ ,
		IBSEL_CPUERR ,
		INT_PRI ,
		INT_VECT ,
		ESUSP_I ,
		HBPT
	)

Process

!! catch undefined states !!!

◆ proc_cpstat()

proc_cpstat	(		R_STATUS
	)

Process

Definition at line 2510 of file pdp11_sequencer.vhd.

◆ proc_snum() [1/2]

proc_snum	(		R_STATE
	)

Process

Definition at line 2530 of file pdp11_sequencer.vhd.

◆ proc_vmwait()

proc_vmwait	(		CLK
	)

Process

Definition at line 2675 of file pdp11_sequencer.vhd.

◆ proc_snum() [2/2]

proc_snum	(	R_STATE ,
		R_VMWAIT
	)

Process

Definition at line 2690 of file pdp11_sequencer.vhd.

Member Data Documentation

◆ ibaddr_cpuerr

ibaddr_cpuerr slv16 := slv ( to_unsigned ( 8#177766# , 16 ) )

Constant

Definition at line 132 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_illhlt

cpuerr_ibf_illhlt integer := 7

Constant

Definition at line 134 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_oddadr

cpuerr_ibf_oddadr integer := 6

Constant

Definition at line 135 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_nxm

cpuerr_ibf_nxm integer := 5

Constant

Definition at line 136 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_iobto

cpuerr_ibf_iobto integer := 4

Constant

Definition at line 137 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_ysv

cpuerr_ibf_ysv integer := 3

Constant

Definition at line 138 of file pdp11_sequencer.vhd.

◆ cpuerr_ibf_rsv

cpuerr_ibf_rsv integer := 2

Constant

Definition at line 139 of file pdp11_sequencer.vhd.

◆ state_type

state_type ( s_idle , s_cp_regread , s_cp_rps , s_cp_memr_w , s_cp_memw_w , s_ifetch , s_ifetch_w , s_idecode , s_srcr_def , s_srcr_def_w , s_srcr_inc , s_srcr_inc_w , s_srcr_dec , s_srcr_dec1 , s_srcr_ind , s_srcr_ind1_w , s_srcr_ind2 , s_srcr_ind2_w , s_dstr_def , s_dstr_def_w , s_dstr_inc , s_dstr_inc_w , s_dstr_dec , s_dstr_dec1 , s_dstr_ind , s_dstr_ind1_w , s_dstr_ind2 , s_dstr_ind2_w , s_dstw_def , s_dstw_def_w , s_dstw_inc , s_dstw_inc_w , s_dstw_incdef_w , s_dstw_dec , s_dstw_dec1 , s_dstw_ind , s_dstw_ind_w , s_dstw_def246 , s_dsta_inc , s_dsta_incdef_w , s_dsta_dec , s_dsta_dec1 , s_dsta_ind , s_dsta_ind_w , s_op_halt , s_op_wait , s_op_trap , s_op_reset , s_op_rts , s_op_rts_pop , s_op_rts_pop_w , s_op_spl , s_op_mcc , s_op_br , s_op_mark , s_op_mark1 , s_op_mark_pop , s_op_mark_pop_w , s_op_sob , s_op_sob1 , s_opg_gen , s_opg_gen_rmw_w , s_opg_mul , s_opg_mul1 , s_opg_div , s_opg_div_cn , s_opg_div_cr , s_opg_div_sq , s_opg_div_sr , s_opg_div_quit , s_opg_ash , s_opg_ash_cn , s_opg_ashc , s_opg_ashc_cn , s_opg_ashc_wl , s_opa_jsr , s_opa_jsr1 , s_opa_jsr_push , s_opa_jsr_push_w , s_opa_jsr2 , s_opa_jmp , s_opa_mtp , s_opa_mtp_pop_w , s_opa_mtp_reg , s_opa_mtp_mem , s_opa_mtp_mem_w , s_opa_mfp_reg , s_opa_mfp_mem , s_opa_mfp_mem_w , s_opa_mfp_dec , s_opa_mfp_push , s_opa_mfp_push_w , s_abort_4 , s_abort_10 , s_trap_disp , s_int_ext , s_vec_getpc , s_vec_getpc_w , s_vec_getps , s_vec_getps_w , s_vec_getsp , s_vec_decsp , s_vec_pushps , s_vec_pushps_w , s_vec_pushpc , s_vec_pushpc_w , s_rti_getpc , s_rti_getpc_w , s_rti_getps , s_rti_getps_w , s_rti_newpc , s_vmerr , s_cpufail )

Type

Definition at line 141 of file pdp11_sequencer.vhd.

◆ R_STATE

R_STATE state_type := s_idle

Signal

Definition at line 269 of file pdp11_sequencer.vhd.

◆ N_STATE

N_STATE state_type

Signal

Definition at line 270 of file pdp11_sequencer.vhd.

◆ fsm_encoding [1/2]

fsm_encoding string

Attribute

Definition at line 272 of file pdp11_sequencer.vhd.

◆ fsm_encoding [2/2]

fsm_encoding signal is " one_hot "

Attribute

Definition at line 273 of file pdp11_sequencer.vhd.

◆ R_STATUS

R_STATUS cpustat_type := cpustat_init

Signal

Definition at line 275 of file pdp11_sequencer.vhd.

◆ N_STATUS

N_STATUS cpustat_type := cpustat_init

Signal

Definition at line 276 of file pdp11_sequencer.vhd.

◆ R_CPUERR

R_CPUERR cpuerr_type := cpuerr_init

Signal

Definition at line 277 of file pdp11_sequencer.vhd.

◆ N_CPUERR

N_CPUERR cpuerr_type := cpuerr_init

Signal

Definition at line 278 of file pdp11_sequencer.vhd.

◆ R_IDSTAT

R_IDSTAT decode_stat_type := decode_stat_init

Signal

Definition at line 280 of file pdp11_sequencer.vhd.

◆ N_IDSTAT

N_IDSTAT decode_stat_type := decode_stat_init

Signal

Definition at line 281 of file pdp11_sequencer.vhd.

◆ R_VMSTAT

R_VMSTAT vm_stat_type := vm_stat_init

Signal

Definition at line 283 of file pdp11_sequencer.vhd.

◆ IBSEL_CPUERR

IBSEL_CPUERR slbit := ' 0 '

Signal

Definition at line 285 of file pdp11_sequencer.vhd.

◆ VM_CNTL_L

VM_CNTL_L vm_cntl_type := vm_cntl_init

Signal

Definition at line 287 of file pdp11_sequencer.vhd.

◆ R_VMWAIT

R_VMWAIT slbit := ' 0 '

Signal

Definition at line 2672 of file pdp11_sequencer.vhd.

◆ sel

sel ib_sel

Instantiation

Definition at line 298 of file pdp11_sequencer.vhd.

The documentation for this design unit was generated from the following file:

w11a/pdp11_sequencer.vhd

Processes

Procedures

Constants

Types

Signals

Attributes

Instantiations

Detailed Description

Member Function/Procedure/Process Documentation

◆ proc_ibres()

◆ proc_status()

◆ proc_cpuerr()

◆ proc_state()

◆ do_memread_i()

◆ do_memread_d()

◆ do_memread_srcinc()

◆ do_memwrite()

◆ do_memcheck()

◆ do_const_opsize()

◆ do_fork_dstr()

◆ do_fork_opg()

◆ do_fork_opa()

◆ do_fork_next()

◆ do_fork_next_pref()

◆ do_start_vec()

◆ proc_next()

◆ proc_cpstat()

◆ proc_snum() [1/2]

◆ proc_vmwait()

◆ proc_snum() [2/2]

Member Data Documentation

◆ ibaddr_cpuerr

◆ cpuerr_ibf_illhlt

◆ cpuerr_ibf_oddadr

◆ cpuerr_ibf_nxm

◆ cpuerr_ibf_iobto

◆ cpuerr_ibf_ysv

◆ cpuerr_ibf_rsv

◆ state_type

◆ R_STATE

◆ N_STATE

◆ fsm_encoding [1/2]

◆ fsm_encoding [2/2]

◆ R_STATUS

◆ N_STATUS

◆ R_CPUERR

◆ N_CPUERR

◆ R_IDSTAT

◆ N_IDSTAT

◆ R_VMSTAT

◆ IBSEL_CPUERR

◆ VM_CNTL_L

◆ R_VMWAIT

◆ sel