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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/m32r/m32r-sim.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'sim/m32r/m32r-sim.h')
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diff --git a/sim/m32r/m32r-sim.h b/sim/m32r/m32r-sim.h
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-/* collection of junk waiting time to sort out
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
- Contributed by Cygnus Support.
-
-This file is part of the GNU Simulators.
-
-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 M32R_SIM_H
-#define M32R_SIM_H
-
-/* Register numbers used in gdb interface. */
-#define PC_REGNUM 21
-#define ACCL_REGNUM 22
-#define ACCH_REGNUM 23
-
-/* Misc. profile data. */
-
-typedef struct {
- /* nop insn slot filler count */
- unsigned int fillnop_count;
- /* number of parallel insns */
- unsigned int parallel_count;
-
- /* FIXME: generalize this to handle all insn lengths, move to common. */
- /* number of short insns, not including parallel ones */
- unsigned int short_count;
- /* number of long insns */
- unsigned int long_count;
-
- /* Working area for computing cycle counts. */
- unsigned long insn_cycles;
- unsigned long cti_stall;
- unsigned long load_stall;
- unsigned long biggest_cycles;
-} M32R_MISC_PROFILE;
-
-/* Initialize the working area. */
-void m32r_init_insn_cycles (SIM_CPU *, int);
-/* Update the totals for the insn. */
-void m32r_record_insn_cycles (SIM_CPU *, int);
-
-/* This is invoked by the nop pattern in the .cpu file. */
-#define PROFILE_COUNT_FILLNOPS(cpu, addr) \
-do { \
- if (PROFILE_INSN_P (cpu) \
- && (addr & 3) != 0) \
- ++ CPU_M32R_MISC_PROFILE (cpu).fillnop_count; \
-} while (0)
-
-/* This is invoked by the execute section of mloop{,x}.in. */
-#define PROFILE_COUNT_PARINSNS(cpu) \
-do { \
- if (PROFILE_INSN_P (cpu)) \
- ++ CPU_M32R_MISC_PROFILE (cpu).parallel_count; \
-} while (0)
-
-/* This is invoked by the execute section of mloop{,x}.in. */
-#define PROFILE_COUNT_SHORTINSNS(cpu) \
-do { \
- if (PROFILE_INSN_P (cpu)) \
- ++ CPU_M32R_MISC_PROFILE (cpu).short_count; \
-} while (0)
-
-/* This is invoked by the execute section of mloop{,x}.in. */
-#define PROFILE_COUNT_LONGINSNS(cpu) \
-do { \
- if (PROFILE_INSN_P (cpu)) \
- ++ CPU_M32R_MISC_PROFILE (cpu).long_count; \
-} while (0)
-
-#define GETTWI GETTSI
-#define SETTWI SETTSI
-
-/* Additional execution support. */
-
-/* Result of semantic function is one of
- - next address, branch only
- - NEW_PC_SKIP, sc/snc insn
- - NEW_PC_2, 2 byte non-branch non-sc/snc insn
- - NEW_PC_4, 4 byte non-branch insn
- The special values have bit 1 set so it's cheap to distinguish them.
- This works because all cti's are defined to zero the bottom two bits. */
-/* FIXME: replace 0xffff0001 with 1? */
-#define NEW_PC_BASE 0xffff0001
-#define NEW_PC_SKIP NEW_PC_BASE
-#define NEW_PC_2 (NEW_PC_BASE + 2)
-#define NEW_PC_4 (NEW_PC_BASE + 4)
-#define NEW_PC_BRANCH_P(addr) (((addr) & 1) == 0)
-
-/* start-sanitize-m32rx */
-/* Modify "next pc" handling to handle parallel execution. */
-#ifdef WANT_CPU_M32RX
-#undef SEM_NEXT_PC
-#define SEM_NEXT_PC(abuf, len) (NEW_PC_BASE + (len))
-#endif
-/* end-sanitize-m32rx */
-
-/* This macro is emitted by the generator to record branch addresses. */
-#define BRANCH_NEW_PC(var, addr) \
-do { var = (addr); } while (0)
-
-/* Hardware/device support. */
-
-/* Exception, Interrupt, and Trap addresses */
-#define EIT_SYSBREAK_ADDR 0x10
-#define EIT_RSVD_INSN_ADDR 0x20
-#define EIT_ADDR_EXCP_ADDR 0x30
-#define EIT_TRAP_BASE_ADDR 0x40
-#define EIT_EXTERN_ADDR 0x80
-#define EIT_RESET_ADDR 0x7ffffff0
-#define EIT_WAKEUP_ADDR 0x7ffffff0
-
-/* Special purpose traps. */
-#define TRAP_SYSCALL 0
-#define TRAP_BREAKPOINT 1
-
-/* Support for the MSPR register (Cache Purge Control Register)
- and the MCCR register (Cache Control Register) are needed in order for
- overlays to work correctly with the scache.
- MSPR no longer exists but is supported for upward compatibility with
- early overlay support. */
-
-/* Cache Purge Control (only exists on early versions of chips) */
-#define MSPR_ADDR 0xfffffff7
-#define MSPR_PURGE 1
-
-/* Lock Control Register (not supported) */
-#define MLCR_ADDR 0xfffffff7
-#define MLCR_LM 1
-
-/* Power Management Control Register (not supported) */
-#define MPMR_ADDR 0xfffffffb
-
-/* Cache Control Register */
-#define MCCR_ADDR 0xffffffff
-#define MCCR_CP 0x80
-/* not supported */
-#define MCCR_CM0 2
-#define MCCR_CM1 1
-
-/* Serial device addresses. */
-#define UART_INCHAR_ADDR 0xff102013
-#define UART_OUTCHAR_ADDR 0xff10200f
-#define UART_STATUS_ADDR 0xff102006
-#define UART_INPUT_EMPTY 0x4
-#define UART_OUTPUT_EMPTY 0x1
-
-/* Start address and length of all device support. */
-#define M32R_DEVICE_ADDR 0xff000000
-#define M32R_DEVICE_LEN 0x00ffffff
-
-/* sim_core_attach device argument. */
-extern device m32r_devices;
-
-/* FIXME: Temporary, until device support ready. */
-struct _device { int foo; };
-
-/* Handle the trap insn. */
-USI m32r_trap (SIM_CPU *, PCADDR, int);
-
-#endif /* M32R_SIM_H */