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Diffstat (limited to 'sim/d30v/cpu.h')
| -rw-r--r-- | sim/d30v/cpu.h | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/sim/d30v/cpu.h b/sim/d30v/cpu.h deleted file mode 100644 index f848b61962f..00000000000 --- a/sim/d30v/cpu.h +++ /dev/null @@ -1,249 +0,0 @@ -/* Mitsubishi Electric Corp. D30V Simulator. - Copyright (C) 1997, Free Software Foundation, Inc. - Contributed by Cygnus Support. - -This file is part of GDB, the GNU debugger. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - - -#ifndef _CPU_H_ -#define _CPU_H_ - -enum { - NR_GENERAL_PURPOSE_REGISTERS = 64, - NR_CONTROL_REGISTERS = 64, - NR_ACCUMULATORS = 2, - STACK_POINTER_GPR = 63, - NR_STACK_POINTERS = 2, -}; - -enum { - processor_status_word_cr = 0, - backup_processor_status_word_cr = 1, - program_counter_cr = 2, - backup_program_counter_cr = 3, - debug_backup_processor_status_word_cr = 4, - debug_backup_program_counter_cr = 5, - reserved_6_cr = 6, - repeat_count_cr = 7, - repeat_start_address_cr = 8, - repeat_end_address_cr = 9, - modulo_start_address_cr = 10, - modulo_end_address_cr = 11, - instruction_break_address_cr = 14, - eit_vector_base_cr = 15, -}; - - -enum { - PSW_SM = 0, - PSW_EA = 2, - PSW_DB = 3, - PSW_DS = 4, - PSW_IE = 5, - PSW_RP = 6, - PSW_MD = 7, - PSW_F0 = 17, - PSW_F1 = 19, - PSW_F2 = 21, - PSW_F3 = 23, - PSW_S = 25, - PSW_V = 27, - PSW_VA = 29, - PSW_C = 31, -}; - -/* aliases for PSW flag numbers (F0..F7) */ -enum -{ - PSW_S_FLAG = 4, -}; - -typedef struct _registers { - unsigned32 general_purpose[NR_GENERAL_PURPOSE_REGISTERS]; - /* keep track of the stack pointer */ - unsigned32 sp[NR_STACK_POINTERS]; /* swap with SP */ - unsigned32 current_sp; - unsigned32 control[NR_CONTROL_REGISTERS]; - unsigned64 accumulator[NR_ACCUMULATORS]; -} registers; - -typedef enum _cpu_units { - memory_unit, - integer_unit, - any_unit, -} cpu_units; - -/* In order to support parallel instructions, which one instruction can be - writing to a register that is used as input to another, queue up the - writes to the end of the instruction boundaries. */ - -#define MAX_WRITE32 16 -#define MAX_WRITE64 2 - -struct _write32 { - int num; /* # of 32-bit writes queued up */ - unsigned32 value[MAX_WRITE32]; /* value to write */ - unsigned32 mask[MAX_WRITE32]; /* mask to use */ - unsigned32 *ptr[MAX_WRITE32]; /* address to write to */ -}; - -struct _write64 { - int num; /* # of 64-bit writes queued up */ - unsigned64 value[MAX_WRITE64]; /* value to write */ - unsigned64 *ptr[MAX_WRITE64]; /* address to write to */ -}; - -struct _sim_cpu { - cpu_units unit; - registers regs; - sim_cpu_base base; - int trace_call_p; /* Whether to do call tracing. */ - int trace_trap_p; /* If unknown traps dump out the regs */ - int trace_action; /* trace bits at end of instructions */ - int left_kills_right_p; /* left insn kills insn in right slot of -> */ - int mvtsys_left_p; /* left insn was mvtsys */ - int did_trap; /* we did a trap & need to finish it */ - struct _write32 write32; /* queued up 32-bit writes */ - struct _write64 write64; /* queued up 64-bit writes */ -}; - -#define PC (STATE_CPU (sd, 0)->regs.control[program_counter_cr]) -#define PSW (STATE_CPU (sd, 0)->regs.control[processor_status_word_cr]) -#define PSWL (*AL2_4(&PSW)) -#define PSWH (*AH2_4(&PSW)) -#define DPSW (STATE_CPU (sd, 0)->regs.control[debug_backup_processor_status_word_cr]) -#define DPC (STATE_CPU (sd, 0)->regs.control[debug_backup_program_counter_cr]) -#define bPC (STATE_CPU (sd, 0)->regs.control[backup_program_counter_cr]) -#define bPSW (STATE_CPU (sd, 0)->regs.control[backup_processor_status_word_cr]) -#define RPT_C (STATE_CPU (sd, 0)->regs.control[repeat_count_cr]) -#define RPT_S (STATE_CPU (sd, 0)->regs.control[repeat_start_address_cr]) -#define RPT_E (STATE_CPU (sd, 0)->regs.control[repeat_end_address_cr]) -#define MOD_S (STATE_CPU (sd, 0)->regs.control[modulo_start_address_cr]) -#define MOD_E (STATE_CPU (sd, 0)->regs.control[modulo_end_address_cr]) -#define IBA (STATE_CPU (sd, 0)->regs.control[instruction_break_address_cr]) -#define EIT_VB (STATE_CPU (sd, 0)->regs.control[eit_vector_base_cr]) -#define GPR (STATE_CPU (sd, 0)->regs.general_purpose) -#define GPR_SET(N,VAL) (GPR[(N)] = (VAL)) -#define ACC (STATE_CPU (sd, 0)->regs.accumulator) -#define CREG (STATE_CPU (sd, 0)->regs.control) -#define SP (GPR[STACK_POINTER_GPR]) -#define TRACE_CALL_P (STATE_CPU (sd, 0)->trace_call_p) -#define TRACE_TRAP_P (STATE_CPU (sd, 0)->trace_trap_p) -#define TRACE_ACTION (STATE_CPU (sd, 0)->trace_action) -#define TRACE_ACTION_CALL 0x00000001 /* call occurred */ -#define TRACE_ACTION_RETURN 0x00000002 /* return occurred */ - -#define WRITE32 (STATE_CPU (sd, 0)->write32) -#define WRITE32_NUM (WRITE32.num) -#define WRITE32_PTR(N) (WRITE32.ptr[N]) -#define WRITE32_MASK(N) (WRITE32.mask[N]) -#define WRITE32_VALUE(N) (WRITE32.value[N]) -#define WRITE32_QUEUE(PTR, VALUE) WRITE32_QUEUE_MASK (PTR, VALUE, 0xffffffff) - -#define WRITE32_QUEUE_MASK(PTR, VALUE, MASK) \ -do { \ - int _num = WRITE32_NUM; \ - if (_num >= MAX_WRITE32) \ - sim_engine_abort (sd, STATE_CPU (sd, 0), cia, \ - "Too many queued 32-bit writes"); \ - WRITE32_PTR(_num) = PTR; \ - WRITE32_VALUE(_num) = VALUE; \ - WRITE32_MASK(_num) = MASK; \ - WRITE32_NUM = _num+1; \ -} while (0) - -#define DID_TRAP (STATE_CPU (sd, 0)->did_trap) - -#define WRITE64 (STATE_CPU (sd, 0)->write64) -#define WRITE64_NUM (WRITE64.num) -#define WRITE64_PTR(N) (WRITE64.ptr[N]) -#define WRITE64_VALUE(N) (WRITE64.value[N]) -#define WRITE64_QUEUE(PTR, VALUE) \ -do { \ - int _num = WRITE64_NUM; \ - if (_num >= MAX_WRITE64) \ - sim_engine_abort (sd, STATE_CPU (sd, 0), cia, \ - "Too many queued 64-bit writes"); \ - WRITE64_PTR(_num) = PTR; \ - WRITE64_VALUE(_num) = VALUE; \ - WRITE64_NUM = _num+1; \ -} while (0) - -#define DPSW_VALID 0xbf005555 -#define PSW_VALID 0xb7005555 -#define EIT_VALID 0xfffff000 /* From page 7-4 of D30V/MPEG arch. manual */ -#define EIT_VB_DEFAULT 0xfffff000 /* Value of the EIT_VB register after reset */ - -/* Verify that the instruction is in the correct slot */ - -#define IS_WRONG_SLOT is_wrong_slot(sd, cia, MY_INDEX) -extern int is_wrong_slot -(SIM_DESC sd, - address_word cia, - itable_index index); - -#define IS_CONDITION_OK is_condition_ok(sd, cia, CCC) -extern int is_condition_ok -(SIM_DESC sd, - address_word cia, - int cond); - -#define SIM_HAVE_BREAKPOINTS /* Turn on internal breakpoint module */ - -/* Internal breakpoint instruction is syscall 5 */ -#define SIM_BREAKPOINT {0x0e, 0x00, 0x00, 0x05} -#define SIM_BREAKPOINT_SIZE (4) - -/* Call occurred */ -extern void call_occurred -(SIM_DESC sd, - sim_cpu *cpu, - address_word cia, - address_word nia); - -/* Return occurred */ -extern void return_occurred -(SIM_DESC sd, - sim_cpu *cpu, - address_word cia, - address_word nia); - -/* Whether to do call tracing. */ -extern int d30v_call_trace_p; - -/* Read/write functions for system call interface. */ -extern int d30v_read_mem -(host_callback *cb, - struct cb_syscall *sc, - unsigned long taddr, - char *buf, - int bytes); - -extern int d30v_write_mem -(host_callback *cb, - struct cb_syscall *sc, - unsigned long taddr, - const char *buf, - int bytes); - -/* Process all of the queued up writes in order now */ -void unqueue_writes -(SIM_DESC sd, - sim_cpu *cpu, - address_word cia); - -#endif /* _CPU_H_ */ |