X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=sim%2Fmips%2Fsim-main.h;h=990573996bb96ffa4ce6a84d7140bc0fc224e00f;hb=f9a4d54332f9e1f75701ba43249a03cc631ec736;hp=776e0b3d80d63655fa82b568c7ac759c976b8aa4;hpb=2fd7c40770dcffcd04ced03080a8a7986b823433;p=deliverable%2Fbinutils-gdb.git
diff --git a/sim/mips/sim-main.h b/sim/mips/sim-main.h
index 776e0b3d80..990573996b 100644
--- a/sim/mips/sim-main.h
+++ b/sim/mips/sim-main.h
@@ -1,53 +1,36 @@
/* MIPS Simulator definition.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997-2021 Free Software Foundation, Inc.
Contributed by Cygnus Support.
-This file is part of GDB, the GNU debugger.
+This file is part of the MIPS sim.
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.
+the Free Software Foundation; either version 3 of the License, 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. */
+You should have received a copy of the GNU General Public License
+along with this program. If not, see . */
#ifndef SIM_MAIN_H
#define SIM_MAIN_H
-/* This simulator doesn't cache the Current Instruction Address */
-/* #define SIM_ENGINE_HALT_HOOK(SD, LAST_CPU, CIA) */
-/* #define SIM_ENGINE_RESUME_HOOK(SD, LAST_CPU, CIA) */
+/* MIPS uses an unusual format for floating point quiet NaNs. */
+#define SIM_QUIET_NAN_NEGATED
-#define SIM_HAVE_BIENDIAN
-
-
-/* hobble some common features for moment */
-#define WITH_WATCHPOINTS 1
-#define WITH_MODULO_MEMORY 1
+#define SIM_CORE_SIGNAL(SD,CPU,CIA,MAP,NR_BYTES,ADDR,TRANSFER,ERROR) \
+mips_core_signal ((SD), (CPU), (CIA), (MAP), (NR_BYTES), (ADDR), (TRANSFER), (ERROR))
#include "sim-basics.h"
-
-typedef address_word sim_cia;
-
-#if (WITH_IGEN)
-/* Get the number of instructions. FIXME: must be a more elegant way
- of doing this. */
-#include "itable.h"
-#define MAX_INSNS (nr_itable_entries)
-#define INSN_NAME(i) itable[(i)].name
-#endif
-
#include "sim-base.h"
+#include "bfd.h"
-
-/* Depreciated macros and types for manipulating 64bit values. Use
+/* Deprecated macros and types for manipulating 64bit values. Use
../common/sim-bits.h and ../common/sim-endian.h macros instead. */
typedef signed64 word64;
@@ -60,23 +43,29 @@ typedef unsigned64 uword64;
#define WORD64(h,l) ((word64)((SET64HI(h)|SET64LO(l))))
#define UWORD64(h,l) (SET64HI(h)|SET64LO(l))
-/* Sign-extend the given value (e) as a value (b) bits long. We cannot
- assume the HI32bits of the operand are zero, so we must perform a
- mask to ensure we can use the simple subtraction to sign-extend. */
-#define SIGNEXTEND(e,b) \
- ((unsigned_word) \
- (((e) & ((uword64) 1 << ((b) - 1))) \
- ? (((e) & (((uword64) 1 << (b)) - 1)) - ((uword64)1 << (b))) \
- : ((e) & (((((uword64) 1 << ((b) - 1)) - 1) << 1) | 1))))
-
/* Check if a value will fit within a halfword: */
#define NOTHALFWORDVALUE(v) ((((((uword64)(v)>>16) == 0) && !((v) & ((unsigned)1 << 15))) || (((((uword64)(v)>>32) == 0xFFFFFFFF) && ((((uword64)(v)>>16) & 0xFFFF) == 0xFFFF)) && ((v) & ((unsigned)1 << 15)))) ? (1 == 0) : (1 == 1))
+typedef enum {
+ cp0_dmfc0,
+ cp0_dmtc0,
+ cp0_mfc0,
+ cp0_mtc0,
+ cp0_tlbr,
+ cp0_tlbwi,
+ cp0_tlbwr,
+ cp0_tlbp,
+ cp0_cache,
+ cp0_eret,
+ cp0_deret,
+ cp0_rfe
+} CP0_operation;
/* Floating-point operations: */
#include "sim-fpu.h"
+#include "cp1.h"
/* FPU registers must be one of the following types. All other values
are reserved (and undefined). */
@@ -85,88 +74,57 @@ typedef enum {
fmt_double = 1,
fmt_word = 4,
fmt_long = 5,
+ fmt_ps = 6,
/* The following are well outside the normal acceptable format
range, and are used in the register status vector. */
fmt_unknown = 0x10000000,
fmt_uninterpreted = 0x20000000,
fmt_uninterpreted_32 = 0x40000000,
- fmt_uninterpreted_64 = 0x80000000,
+ fmt_uninterpreted_64 = 0x80000000U,
} FP_formats;
-unsigned64 value_fpr PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int fpr, FP_formats));
-#define ValueFPR(FPR,FMT) value_fpr (SD, CPU, cia, (FPR), (FMT))
-
-void store_fpr PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int fpr, FP_formats fmt, unsigned64 value));
-#define StoreFPR(FPR,FMT,VALUE) store_fpr (SD, CPU, cia, (FPR), (FMT), (VALUE))
-
-int NaN PARAMS ((unsigned64 op, FP_formats fmt));
-int Infinity PARAMS ((unsigned64 op, FP_formats fmt));
-int Less PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-int Equal PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 AbsoluteValue PARAMS ((unsigned64 op, FP_formats fmt));
-unsigned64 Negate PARAMS ((unsigned64 op, FP_formats fmt));
-unsigned64 Add PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 Sub PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 Multiply PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 Divide PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 Recip PARAMS ((unsigned64 op, FP_formats fmt));
-unsigned64 SquareRoot PARAMS ((unsigned64 op, FP_formats fmt));
-unsigned64 Max PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 Min PARAMS ((unsigned64 op1, unsigned64 op2, FP_formats fmt));
-unsigned64 convert PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int rm, unsigned64 op, FP_formats from, FP_formats to));
-#define Convert(rm,op,from,to) \
-convert (SD, CPU, cia, rm, op, from, to)
-
-/* Macro to update FPSR condition-code field. This is complicated by
- the fact that there is a hole in the index range of the bits within
- the FCSR register. Also, the number of bits visible depends on the
- MIPS ISA version being supported. */
-
-#define SETFCC(cc,v) {\
- int bit = ((cc == 0) ? 23 : (24 + (cc)));\
- FCSR = ((FCSR & ~(1 << bit)) | ((v) << bit));\
-}
-#define GETFCC(cc) (((((cc) == 0) ? (FCSR & (1 << 23)) : (FCSR & (1 << (24 + (cc))))) != 0) ? 1U : 0)
+/* For paired word (pw) operations, the opcode representation is fmt_word,
+ but register transfers (StoreFPR, ValueFPR, etc.) are done as fmt_long. */
+#define fmt_pw fmt_long
/* This should be the COC1 value at the start of the preceding
instruction: */
#define PREVCOC1() ((STATE & simPCOC1) ? 1 : 0)
-#if 1
-#define SizeFGR() (WITH_TARGET_FLOATING_POINT_BITSIZE)
+#ifdef TARGET_ENABLE_FR
+/* FIXME: this should be enabled for all targets, but needs testing first. */
+#define SizeFGR() (((WITH_TARGET_FLOATING_POINT_BITSIZE) == 64) \
+ ? ((SR & status_FR) ? 64 : 32) \
+ : (WITH_TARGET_FLOATING_POINT_BITSIZE))
#else
-/* They depend on the CPU being simulated */
-#define SizeFGR() ((WITH_TARGET_WORD_BITSIZE == 64 && ((SR & status_FR) == 1)) ? 64 : 32)
+#define SizeFGR() (WITH_TARGET_FLOATING_POINT_BITSIZE)
#endif
-/* Standard FCRS bits: */
-#define IR (0) /* Inexact Result */
-#define UF (1) /* UnderFlow */
-#define OF (2) /* OverFlow */
-#define DZ (3) /* Division by Zero */
-#define IO (4) /* Invalid Operation */
-#define UO (5) /* Unimplemented Operation */
-
-/* Get masks for individual flags: */
-#if 1 /* SAFE version */
-#define FP_FLAGS(b) (((unsigned)(b) < 5) ? (1 << ((b) + 2)) : 0)
-#define FP_ENABLE(b) (((unsigned)(b) < 5) ? (1 << ((b) + 7)) : 0)
-#define FP_CAUSE(b) (((unsigned)(b) < 6) ? (1 << ((b) + 12)) : 0)
-#else
-#define FP_FLAGS(b) (1 << ((b) + 2))
-#define FP_ENABLE(b) (1 << ((b) + 7))
-#define FP_CAUSE(b) (1 << ((b) + 12))
-#endif
-#define FP_FS (1 << 24) /* MIPS III onwards : Flush to Zero */
-#define FP_MASK_RM (0x3)
-#define FP_SH_RM (0)
-#define FP_RM_NEAREST (0) /* Round to nearest (Round) */
-#define FP_RM_TOZERO (1) /* Round to zero (Trunc) */
-#define FP_RM_TOPINF (2) /* Round to Plus infinity (Ceil) */
-#define FP_RM_TOMINF (3) /* Round to Minus infinity (Floor) */
-#define GETRM() (int)((FCSR >> FP_SH_RM) & FP_MASK_RM)
+
+
+/* HI/LO register accesses */
+
+/* For some MIPS targets, the HI/LO registers have certain timing
+ restrictions in that, for instance, a read of a HI register must be
+ separated by at least three instructions from a preceeding read.
+
+ The struct below is used to record the last access by each of A MT,
+ MF or other OP instruction to a HI/LO register. See mips.igen for
+ more details. */
+
+typedef struct _hilo_access {
+ signed64 timestamp;
+ address_word cia;
+} hilo_access;
+
+typedef struct _hilo_history {
+ hilo_access mt;
+ hilo_access mf;
+ hilo_access op;
+} hilo_history;
+
@@ -177,7 +135,7 @@ convert (SD, CPU, cia, rm, op, from, to)
#define ALU32_END(ANS) \
if (ALU32_HAD_OVERFLOW) \
SignalExceptionIntegerOverflow (); \
- (ANS) = ALU32_OVERFLOW_RESULT
+ (ANS) = (signed32) ALU32_OVERFLOW_RESULT
#define ALU64_END(ANS) \
@@ -186,167 +144,6 @@ convert (SD, CPU, cia, rm, op, from, to)
(ANS) = ALU64_OVERFLOW_RESULT;
-/* start-sanitize-r5900 */
-
-/* Figure 10-5 FPU Control/Status Register.
- Note: some of these bits are different to what is found in a
- standard MIPS manual. */
-enum {
- R5900_FCSR_C = BIT (23), /* OK */
- R5900_FCSR_I = BIT (17),
- R5900_FCSR_D = BIT (16),
- R5900_FCSR_O = BIT (15),
- R5900_FCSR_U = BIT (14),
- R5900_FCSR_CAUSE = MASK (16,14),
- R5900_FCSR_SI = BIT (6),
- R5900_FCSR_SD = BIT (5),
- R5900_FCSR_SO = BIT (4),
- R5900_FCSR_SU = BIT (3),
-};
-
-typedef struct _sim_r5900_cpu {
-
- /* The R5900 has 32 x 128bit general purpose registers.
- Fortunatly, the high 64 bits are only touched by multimedia (MMI)
- instructions. The normal mips instructions just use the lower 64
- bits. To avoid changing the older parts of the simulator to
- handle this weirdness, the high 64 bits of each register are kept
- in a separate array (registers1). The high 64 bits of any
- register are by convention refered by adding a '1' to the end of
- the normal register's name. So LO still refers to the low 64
- bits of the LO register, LO1 refers to the high 64 bits of that
- same register. */
- signed_word gpr1[32];
-#define GPR1 ((CPU)->r5900.gpr1)
- signed_word lo1;
- signed_word hi1;
-#define LO1 ((CPU)->r5900.lo1)
-#define HI1 ((CPU)->r5900.hi1)
-
- /* The R5900 defines a shift amount register, that controls the
- amount of certain shift instructions */
- unsigned_word sa; /* the shift amount register */
-#define REGISTER_SA (124) /* GET RID IF THIS! */
-#define SA ((CPU)->r5900.sa)
-
- /* The R5900, in addition to the (almost) standard floating point
- registers, defines a 32 bit accumulator. This is used in
- multiply/accumulate style instructions */
- fp_word acc; /* floating-point accumulator */
-#define ACC ((CPU)->r5900.acc)
-
- /* See comments below about needing to count cycles between updating
- and setting HI/LO registers */
- int hi1access;
- int lo1access;
-#define HI1ACCESS ((CPU)->r5900.hi1access)
-#define LO1ACCESS ((CPU)->r5900.lo1access)
-#if 0
-#define CHECKHILO(s) {\
- if ((HIACCESS != 0) || (LOACCESS != 0) || (HI1ACCESS != 0) || (LO1ACCESS != 0))\
- sim_io_eprintf(sd,"%s over-writing HI and LO registers values (PC = 0x%s HLPC = 0x%s)\n",(s),pr_addr(PC),pr_addr(HLPC));\
-}
-#endif
-
-} sim_r5900_cpu;
-
-#define BYTES_IN_MMI_REGS (sizeof(signed_word) + sizeof(signed_word))
-#define HALFWORDS_IN_MMI_REGS (BYTES_IN_MMI_REGS/2)
-#define WORDS_IN_MMI_REGS (BYTES_IN_MMI_REGS/4)
-#define DOUBLEWORDS_IN_MMI_REGS (BYTES_IN_MMI_REGS/8)
-
-#define BYTES_IN_MIPS_REGS (sizeof(signed_word))
-#define HALFWORDS_IN_MIPS_REGS (BYTES_IN_MIPS_REGS/2)
-#define WORDS_IN_MIPS_REGS (BYTES_IN_MIPS_REGS/4)
-#define DOUBLEWORDS_IN_MIPS_REGS (BYTES_IN_MIPS_REGS/8)
-
-/* SUB_REG_FETCH - return as lvalue some sub-part of a "register"
- T - type of the sub part
- TC - # of T's in the mips part of the "register"
- I - index (from 0) of desired sub part
- A - low part of "register"
- A1 - high part of register
-*/
-#define SUB_REG_FETCH(T,TC,A,A1,I) \
-(*(((I) < (TC) ? (T*)(A) : (T*)(A1)) \
- + (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN \
- ? ((TC) - 1 - (I) % (TC)) \
- : ((I) % (TC)) \
- ) \
- ) \
- )
-
-/*
-GPR_(R,I) - return, as lvalue, the I'th of general register R
- where has two letters:
- 1 is S=signed or U=unsigned
- 2 is B=byte H=halfword W=word D=doubleword
-*/
-
-#define SUB_REG_SB(A,A1,I) SUB_REG_FETCH(signed8, BYTES_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_SH(A,A1,I) SUB_REG_FETCH(signed16, HALFWORDS_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_SW(A,A1,I) SUB_REG_FETCH(signed32, WORDS_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_SD(A,A1,I) SUB_REG_FETCH(signed64, DOUBLEWORDS_IN_MIPS_REGS, A, A1, I)
-
-#define SUB_REG_UB(A,A1,I) SUB_REG_FETCH(unsigned8, BYTES_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_UH(A,A1,I) SUB_REG_FETCH(unsigned16, HALFWORDS_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_UW(A,A1,I) SUB_REG_FETCH(unsigned32, WORDS_IN_MIPS_REGS, A, A1, I)
-#define SUB_REG_UD(A,A1,I) SUB_REG_FETCH(unsigned64, DOUBLEWORDS_IN_MIPS_REGS, A, A1, I)
-
-#define GPR_SB(R,I) SUB_REG_SB(&GPR[R], &GPR1[R], I)
-#define GPR_SH(R,I) SUB_REG_SH(&GPR[R], &GPR1[R], I)
-#define GPR_SW(R,I) SUB_REG_SW(&GPR[R], &GPR1[R], I)
-#define GPR_SD(R,I) SUB_REG_SD(&GPR[R], &GPR1[R], I)
-
-#define GPR_UB(R,I) SUB_REG_UB(&GPR[R], &GPR1[R], I)
-#define GPR_UH(R,I) SUB_REG_UH(&GPR[R], &GPR1[R], I)
-#define GPR_UW(R,I) SUB_REG_UW(&GPR[R], &GPR1[R], I)
-#define GPR_UD(R,I) SUB_REG_UD(&GPR[R], &GPR1[R], I)
-
-
-#define RS_SB(I) SUB_REG_SB(&rs_reg, &rs_reg1, I)
-#define RS_SH(I) SUB_REG_SH(&rs_reg, &rs_reg1, I)
-#define RS_SW(I) SUB_REG_SW(&rs_reg, &rs_reg1, I)
-#define RS_SD(I) SUB_REG_SD(&rs_reg, &rs_reg1, I)
-
-#define RS_UB(I) SUB_REG_UB(&rs_reg, &rs_reg1, I)
-#define RS_UH(I) SUB_REG_UH(&rs_reg, &rs_reg1, I)
-#define RS_UW(I) SUB_REG_UW(&rs_reg, &rs_reg1, I)
-#define RS_UD(I) SUB_REG_UD(&rs_reg, &rs_reg1, I)
-
-#define RT_SB(I) SUB_REG_SB(&rt_reg, &rt_reg1, I)
-#define RT_SH(I) SUB_REG_SH(&rt_reg, &rt_reg1, I)
-#define RT_SW(I) SUB_REG_SW(&rt_reg, &rt_reg1, I)
-#define RT_SD(I) SUB_REG_SD(&rt_reg, &rt_reg1, I)
-
-#define RT_UB(I) SUB_REG_UB(&rt_reg, &rt_reg1, I)
-#define RT_UH(I) SUB_REG_UH(&rt_reg, &rt_reg1, I)
-#define RT_UW(I) SUB_REG_UW(&rt_reg, &rt_reg1, I)
-#define RT_UD(I) SUB_REG_UD(&rt_reg, &rt_reg1, I)
-
-
-
-#define LO_SB(I) SUB_REG_SB(&LO, &LO1, I)
-#define LO_SH(I) SUB_REG_SH(&LO, &LO1, I)
-#define LO_SW(I) SUB_REG_SW(&LO, &LO1, I)
-#define LO_SD(I) SUB_REG_SD(&LO, &LO1, I)
-
-#define LO_UB(I) SUB_REG_UB(&LO, &LO1, I)
-#define LO_UH(I) SUB_REG_UH(&LO, &LO1, I)
-#define LO_UW(I) SUB_REG_UW(&LO, &LO1, I)
-#define LO_UD(I) SUB_REG_UD(&LO, &LO1, I)
-
-#define HI_SB(I) SUB_REG_SB(&HI, &HI1, I)
-#define HI_SH(I) SUB_REG_SH(&HI, &HI1, I)
-#define HI_SW(I) SUB_REG_SW(&HI, &HI1, I)
-#define HI_SD(I) SUB_REG_SD(&HI, &HI1, I)
-
-#define HI_UB(I) SUB_REG_UB(&HI, &HI1, I)
-#define HI_UH(I) SUB_REG_UH(&HI, &HI1, I)
-#define HI_UW(I) SUB_REG_UW(&HI, &HI1, I)
-#define HI_UD(I) SUB_REG_UD(&HI, &HI1, I)
-
-/* end-sanitize-r5900 */
@@ -376,7 +173,7 @@ typedef struct _pending_write_queue {
#define PENDING_OUT ((CPU)->pending.out)
#define PENDING_TOTAL ((CPU)->pending.total)
#define PENDING_SLOT_SIZE ((CPU)->pending.slot_size)
-#define PENDING_SLOT_BIT ((CPU)->pending.slot_size)
+#define PENDING_SLOT_BIT ((CPU)->pending.slot_bit)
#define PENDING_SLOT_DELAY ((CPU)->pending.slot_delay)
#define PENDING_SLOT_DEST ((CPU)->pending.slot_dest)
#define PENDING_SLOT_VALUE ((CPU)->pending.slot_value)
@@ -399,12 +196,17 @@ memset (&(CPU)->pending, 0, sizeof ((CPU)->pending))
sim_engine_abort (SD, CPU, cia, \
"PENDING_SCHED - buffer overflow\n"); \
if (PENDING_TRACE) \
- sim_io_printf (SD, "PENDING_SCHED - dest 0x%lx, val 0x%lx, pending_in %d, pending_out %d, pending_total %d\n", (unsigned long) (DEST), (unsigned long) (VAL), PENDING_IN, PENDING_OUT, PENDING_TOTAL); \
+ sim_io_eprintf (SD, "PENDING_SCHED - 0x%lx - dest 0x%lx, val 0x%lx, bit %d, size %d, pending_in %d, pending_out %d, pending_total %d\n", \
+ (unsigned long) cia, (unsigned long) &(DEST), \
+ (unsigned long) (VAL), (BIT), (int) sizeof (DEST),\
+ PENDING_IN, PENDING_OUT, PENDING_TOTAL); \
PENDING_SLOT_DELAY[PENDING_IN] = (DELAY) + 1; \
PENDING_SLOT_DEST[PENDING_IN] = &(DEST); \
PENDING_SLOT_VALUE[PENDING_IN] = (VAL); \
PENDING_SLOT_SIZE[PENDING_IN] = sizeof (DEST); \
PENDING_SLOT_BIT[PENDING_IN] = (BIT); \
+ PENDING_IN = (PENDING_IN + 1) % PSLOTS; \
+ PENDING_TOTAL += 1; \
} while (0)
#define PENDING_WRITE(DEST,VAL,DELAY) PENDING_SCHED(DEST,VAL,DELAY,-1)
@@ -417,45 +219,52 @@ memset (&(CPU)->pending, 0, sizeof ((CPU)->pending))
/* For backward compatibility */
#define PENDING_FILL(R,VAL) \
-{ \
- if ((R) >= FGRIDX && (R) < FGRIDX + NR_FGR) \
- PENDING_SCHED(FGR[(R) - FGRIDX], VAL, 2, -1); \
+do { \
+ if ((R) >= FGR_BASE && (R) < FGR_BASE + NR_FGR) \
+ { \
+ PENDING_SCHED(FGR[(R) - FGR_BASE], VAL, 1, -1); \
+ PENDING_SCHED(FPR_STATE[(R) - FGR_BASE], fmt_uninterpreted, 1, -1); \
+ } \
else \
- PENDING_SCHED(GPR[(R)], VAL, 2, -1); \
-}
+ PENDING_SCHED(GPR[(R)], VAL, 1, -1); \
+} while (0)
+
+enum float_operation
+ {
+ FLOP_ADD, FLOP_SUB, FLOP_MUL, FLOP_MADD,
+ FLOP_MSUB, FLOP_MAX=10, FLOP_MIN, FLOP_ABS,
+ FLOP_ITOF0=14, FLOP_FTOI0=18, FLOP_NEG=23
+ };
+/* The internal representation of an MDMX accumulator.
+ Note that 24 and 48 bit accumulator elements are represented in
+ 32 or 64 bits. Since the accumulators are 2's complement with
+ overflow suppressed, high-order bits can be ignored in most contexts. */
+
+typedef signed32 signed24;
+typedef signed64 signed48;
+
+typedef union {
+ signed24 ob[8];
+ signed48 qh[4];
+} MDMX_accumulator;
+
+
+/* Conventional system arguments. */
+#define SIM_STATE sim_cpu *cpu, address_word cia
+#define SIM_ARGS CPU, cia
+
struct _sim_cpu {
/* The following are internal simulator state variables: */
-#define CIA_GET(CPU) ((CPU)->registers[PCIDX] + 0)
-#define CIA_SET(CPU,CIA) ((CPU)->registers[PCIDX] = (CIA))
address_word dspc; /* delay-slot PC */
#define DSPC ((CPU)->dspc)
- /* Issue a delay slot instruction immediatly by re-calling
- idecode_issue */
-#define DELAY_SLOT(TARGET) \
- do { \
- address_word target = (TARGET); \
- instruction_word delay_insn; \
- sim_events_slip (SD, 1); \
- CIA = CIA + 4; /* NOTE not mips16 */ \
- STATE |= simDELAYSLOT; \
- delay_insn = IMEM32 (CIA); /* NOTE not mips16 */ \
- idecode_issue (CPU_, delay_insn, (CIA)); \
- STATE &= ~simDELAYSLOT; \
- NIA = target; \
- } while (0)
-#define NULLIFY_NEXT_INSTRUCTION() \
- do { \
- sim_events_slip (SD, 1); \
- dotrace (SD, CPU, tracefh, 2, NIA, 4, "load instruction"); \
- NIA = CIA + 8; \
- } while (0)
-
+#define DELAY_SLOT(TARGET) NIA = delayslot32 (SD_, (TARGET))
+#define NULLIFY_NEXT_INSTRUCTION() NIA = nullify_next_insn32 (SD_)
/* State of the simulator */
@@ -475,6 +284,7 @@ struct _sim_cpu {
#define simSIGINT (1 << 28) /* 0 = do nothing; 1 = SIGINT has occured */
#define simJALDELAYSLOT (1 << 29) /* 1 = in jal delay slot */
+#ifndef ENGINE_ISSUE_PREFIX_HOOK
#define ENGINE_ISSUE_PREFIX_HOOK() \
{ \
/* Perform any pending writes */ \
@@ -490,6 +300,7 @@ struct _sim_cpu {
else \
STATE &= ~simPCOC0; \
}
+#endif /* ENGINE_ISSUE_PREFIX_HOOK */
/* This is nasty, since we have to rely on matching the register
@@ -500,53 +311,27 @@ struct _sim_cpu {
state. */
#ifndef TM_MIPS_H
-#define LAST_EMBED_REGNUM (89)
+#define LAST_EMBED_REGNUM (96)
#define NUM_REGS (LAST_EMBED_REGNUM + 1)
-/* start-sanitize-r5900 */
-#undef NUM_REGS
-#define NUM_REGS (128)
-/* end-sanitize-r5900 */
-#endif
-
-/* start-sanitize-sky */
-#ifdef TARGET_SKY
-#ifndef TM_TXVU_H
-
-/* Number of machine registers */
-#define NUM_VU_REGS 153
-#define NUM_VU_INTEGER_REGS 16
-
-#define NUM_VIF_REGS 25
-#define FIRST_VEC_REG 25
-#define NUM_R5900_REGS 128
-
-#undef NUM_REGS
-#define NUM_REGS (NUM_R5900_REGS + 2*(NUM_VU_REGS) + 2*(NUM_VIF_REGS))
-#endif /* no tm-txvu.h */
+#define FP0_REGNUM 38 /* Floating point register 0 (single float) */
+#define FCRCS_REGNUM 70 /* FP control/status */
+#define FCRIR_REGNUM 71 /* FP implementation/revision */
#endif
-/* end-sanitize-sky */
+
/* To keep this default simulator simple, and fast, we use a direct
vector of registers. The internal simulator engine then uses
manifests to access the correct slot. */
unsigned_word registers[LAST_EMBED_REGNUM + 1];
+
int register_widths[NUM_REGS];
#define REGISTERS ((CPU)->registers)
#define GPR (®ISTERS[0])
#define GPR_SET(N,VAL) (REGISTERS[(N)] = (VAL))
- /* While space is allocated for the floating point registers in the
- main registers array, they are stored separatly. This is because
- their size may not necessarily match the size of either the
- general-purpose or system specific registers */
-#define NR_FGR (32)
-#define FGRIDX (38)
- fp_word fgr[NR_FGR];
-#define FGR ((CPU)->fgr)
-
#define LO (REGISTERS[33])
#define HI (REGISTERS[34])
#define PCIDX 37
@@ -562,7 +347,62 @@ struct _sim_cpu {
#define Debug (REGISTERS[86])
#define DEPC (REGISTERS[87])
#define EPC (REGISTERS[88])
-#define COCIDX (LAST_EMBED_REGNUM + 2) /* special case : outside the normal range */
+#define ACX (REGISTERS[89])
+
+#define AC0LOIDX (33) /* Must be the same register as LO */
+#define AC0HIIDX (34) /* Must be the same register as HI */
+#define AC1LOIDX (90)
+#define AC1HIIDX (91)
+#define AC2LOIDX (92)
+#define AC2HIIDX (93)
+#define AC3LOIDX (94)
+#define AC3HIIDX (95)
+
+#define DSPLO(N) (REGISTERS[DSPLO_REGNUM[N]])
+#define DSPHI(N) (REGISTERS[DSPHI_REGNUM[N]])
+
+#define DSPCRIDX (96) /* DSP control register */
+#define DSPCR (REGISTERS[DSPCRIDX])
+
+#define DSPCR_POS_SHIFT (0)
+#define DSPCR_POS_MASK (0x3f)
+#define DSPCR_POS_SMASK (DSPCR_POS_MASK << DSPCR_POS_SHIFT)
+
+#define DSPCR_SCOUNT_SHIFT (7)
+#define DSPCR_SCOUNT_MASK (0x3f)
+#define DSPCR_SCOUNT_SMASK (DSPCR_SCOUNT_MASK << DSPCR_SCOUNT_SHIFT)
+
+#define DSPCR_CARRY_SHIFT (13)
+#define DSPCR_CARRY_MASK (1)
+#define DSPCR_CARRY_SMASK (DSPCR_CARRY_MASK << DSPCR_CARRY_SHIFT)
+#define DSPCR_CARRY (1 << DSPCR_CARRY_SHIFT)
+
+#define DSPCR_EFI_SHIFT (14)
+#define DSPCR_EFI_MASK (1)
+#define DSPCR_EFI_SMASK (DSPCR_EFI_MASK << DSPCR_EFI_SHIFT)
+#define DSPCR_EFI (1 << DSPCR_EFI_MASK)
+
+#define DSPCR_OUFLAG_SHIFT (16)
+#define DSPCR_OUFLAG_MASK (0xff)
+#define DSPCR_OUFLAG_SMASK (DSPCR_OUFLAG_MASK << DSPCR_OUFLAG_SHIFT)
+#define DSPCR_OUFLAG4 (1 << (DSPCR_OUFLAG_SHIFT + 4))
+#define DSPCR_OUFLAG5 (1 << (DSPCR_OUFLAG_SHIFT + 5))
+#define DSPCR_OUFLAG6 (1 << (DSPCR_OUFLAG_SHIFT + 6))
+#define DSPCR_OUFLAG7 (1 << (DSPCR_OUFLAG_SHIFT + 7))
+
+#define DSPCR_CCOND_SHIFT (24)
+#define DSPCR_CCOND_MASK (0xf)
+#define DSPCR_CCOND_SMASK (DSPCR_CCOND_MASK << DSPCR_CCOND_SHIFT)
+
+ /* All internal state modified by signal_exception() that may need to be
+ rolled back for passing moment-of-exception image back to gdb. */
+ unsigned_word exc_trigger_registers[LAST_EMBED_REGNUM + 1];
+ unsigned_word exc_suspend_registers[LAST_EMBED_REGNUM + 1];
+ int exc_suspended;
+
+#define SIM_CPU_EXCEPTION_TRIGGER(SD,CPU,CIA) mips_cpu_exception_trigger(SD,CPU,CIA)
+#define SIM_CPU_EXCEPTION_SUSPEND(SD,CPU,EXC) mips_cpu_exception_suspend(SD,CPU,EXC)
+#define SIM_CPU_EXCEPTION_RESUME(SD,CPU,EXC) mips_cpu_exception_resume(SD,CPU,EXC)
unsigned_word c0_config_reg;
#define C0_CONFIG ((CPU)->c0_config_reg)
@@ -574,8 +414,30 @@ struct _sim_cpu {
#define A1 (REGISTERS[5])
#define A2 (REGISTERS[6])
#define A3 (REGISTERS[7])
-#define SP (REGISTERS[29])
-#define RA (REGISTERS[31])
+#define T8IDX 24
+#define T8 (REGISTERS[T8IDX])
+#define SPIDX 29
+#define SP (REGISTERS[SPIDX])
+#define RAIDX 31
+#define RA (REGISTERS[RAIDX])
+
+ /* While space is allocated in the main registers arrray for some of
+ the COP0 registers, that space isn't sufficient. Unknown COP0
+ registers overflow into the array below */
+
+#define NR_COP0_GPR 32
+ unsigned_word cop0_gpr[NR_COP0_GPR];
+#define COP0_GPR ((CPU)->cop0_gpr)
+#define COP0_BADVADDR (COP0_GPR[8])
+
+ /* While space is allocated for the floating point registers in the
+ main registers array, they are stored separatly. This is because
+ their size may not necessarily match the size of either the
+ general-purpose or system specific registers. */
+#define NR_FGR (32)
+#define FGR_BASE FP0_REGNUM
+ fp_word fgr[NR_FGR];
+#define FGR ((CPU)->fgr)
/* Keep the current format state for each register: */
FP_formats fpr_state[32];
@@ -583,6 +445,10 @@ struct _sim_cpu {
pending_write_queue pending;
+ /* The MDMX accumulator (used only for MDMX ASE). */
+ MDMX_accumulator acc;
+#define ACC ((CPU)->acc)
+
/* LLBIT = Load-Linked bit. A bit of "virtual" state used by atomic
read-write instructions. It is set when a linked load occurs. It
is tested and cleared by the conditional store. It is cleared
@@ -593,75 +459,28 @@ struct _sim_cpu {
#define LLBIT ((CPU)->llbit)
-/* The HIACCESS and LOACCESS counts are used to ensure that
- corruptions caused by using the HI or LO register to close to a
- following operation are spotted. */
-
- int hiaccess;
- int loaccess;
-#define HIACCESS ((CPU)->hiaccess)
-#define LOACCESS ((CPU)->loaccess)
-
-#if 0
- unsigned_word HLPC;
- /* If either of the preceding two instructions have accessed the HI
- or LO registers, then the values they see should be
- undefined. However, to keep the simulator world simple, we just
- let them use the value read and raise a warning to notify the
- user: */
-#define CHECKHILO(s) {\
- if ((HIACCESS != 0) || (LOACCESS != 0)) \
- sim_io_eprintf(sd,"%s over-writing HI and LO registers values (PC = 0x%s HLPC = 0x%s)\n",(s),pr_addr(PC),pr_addr(HLPC));\
-}
-#endif
-
-#if !defined CHECKHILO
- /* The 4300 and a few other processors have interlocks on hi/lo
- register reads, and hence do not have this problem. To avoid
- spurious warnings, we just disable this always. */
-#define CHECKHILO(s)
-#endif
-
- /* start-sanitize-r5900 */
- sim_r5900_cpu r5900;
+/* The HIHISTORY and LOHISTORY timestamps are used to ensure that
+ corruptions caused by using the HI or LO register too close to a
+ following operation is spotted. See mips.igen for more details. */
- /* end-sanitize-r5900 */
- /* start-sanitize-vr5400 */
+ hilo_history hi_history;
+#define HIHISTORY (&(CPU)->hi_history)
+ hilo_history lo_history;
+#define LOHISTORY (&(CPU)->lo_history)
- /* The MDMX ISA has a very very large accumulator */
- unsigned8 acc[3 * 8];
- /* end-sanitize-vr5400 */
sim_cpu_base base;
};
-
-/* MIPS specific simulator watch config */
-
-void watch_options_install PARAMS ((SIM_DESC sd));
-
-struct swatch {
- sim_event *pc;
- sim_event *clock;
- sim_event *cycles;
-};
-
+extern void mips_sim_close (SIM_DESC sd, int quitting);
+#define SIM_CLOSE_HOOK(...) mips_sim_close (__VA_ARGS__)
/* FIXME: At present much of the simulator is still static */
-struct sim_state {
-
- struct swatch watch;
-
- sim_cpu cpu[MAX_NR_PROCESSORS];
-#if (WITH_SMP)
-#define STATE_CPU(sd,n) (&(sd)->cpu[n])
-#else
-#define STATE_CPU(sd,n) (&(sd)->cpu[0])
-#endif
-
- sim_state_base base;
+struct mips_sim_state {
+ /* microMIPS ISA mode. */
+ int isa_mode;
};
-
+#define MIPS_SIM_STATE(sd) ((struct mips_sim_state *) STATE_ARCH_DATA (sd))
/* Status information: */
@@ -669,14 +488,17 @@ struct sim_state {
/* TODO : these should be the bitmasks for these bits within the
status register. At the moment the following are VR4300
bit-positions: */
-#define status_KSU_mask (0x3) /* mask for KSU bits */
+#define status_KSU_mask (0x18) /* mask for KSU bits */
#define status_KSU_shift (3) /* shift for field */
#define ksu_kernel (0x0)
#define ksu_supervisor (0x1)
#define ksu_user (0x2)
#define ksu_unknown (0x3)
+#define SR_KSU ((SR & status_KSU_mask) >> status_KSU_shift)
+
#define status_IE (1 << 0) /* Interrupt enable */
+#define status_EIE (1 << 16) /* Enable Interrupt Enable */
#define status_EXL (1 << 1) /* Exception level */
#define status_RE (1 << 25) /* Reverse Endian in user mode */
#define status_FR (1 << 26) /* enables MIPS III additional FP registers */
@@ -684,14 +506,57 @@ struct sim_state {
#define status_BEV (1 << 22) /* Location of general exception vectors */
#define status_TS (1 << 21) /* TLB shutdown has occurred */
#define status_ERL (1 << 2) /* Error level */
+#define status_IM7 (1 << 15) /* Timer Interrupt Mask */
#define status_RP (1 << 27) /* Reduced Power mode */
-/* begin-sanitize-r5900 */
-#define status_CU0 (1 << 28) /* COP0 usable */
-#define status_CU1 (1 << 29) /* COP1 usable */
-#define status_CU2 (1 << 30) /* COP2 usable */
-/* begin-sanitize-r5900 */
-#define cause_BD ((unsigned)1 << 31) /* Exception in branch delay slot */
+/* Specializations for TX39 family */
+#define status_IEc (1 << 0) /* Interrupt enable (current) */
+#define status_KUc (1 << 1) /* Kernel/User mode */
+#define status_IEp (1 << 2) /* Interrupt enable (previous) */
+#define status_KUp (1 << 3) /* Kernel/User mode */
+#define status_IEo (1 << 4) /* Interrupt enable (old) */
+#define status_KUo (1 << 5) /* Kernel/User mode */
+#define status_IM_mask (0xff) /* Interrupt mask */
+#define status_IM_shift (8)
+#define status_NMI (1 << 20) /* NMI */
+#define status_NMI (1 << 20) /* NMI */
+
+/* Status bits used by MIPS32/MIPS64. */
+#define status_UX (1 << 5) /* 64-bit user addrs */
+#define status_SX (1 << 6) /* 64-bit supervisor addrs */
+#define status_KX (1 << 7) /* 64-bit kernel addrs */
+#define status_TS (1 << 21) /* TLB shutdown has occurred */
+#define status_PX (1 << 23) /* Enable 64 bit operations */
+#define status_MX (1 << 24) /* Enable MDMX resources */
+#define status_CU0 (1 << 28) /* Coprocessor 0 usable */
+#define status_CU1 (1 << 29) /* Coprocessor 1 usable */
+#define status_CU2 (1 << 30) /* Coprocessor 2 usable */
+#define status_CU3 (1 << 31) /* Coprocessor 3 usable */
+/* Bits reserved for implementations: */
+#define status_SBX (1 << 16) /* Enable SiByte SB-1 extensions. */
+
+#define cause_BD ((unsigned)1 << 31) /* L1 Exception in branch delay slot */
+#define cause_BD2 (1 << 30) /* L2 Exception in branch delay slot */
+#define cause_CE_mask 0x30000000 /* Coprocessor exception */
+#define cause_CE_shift 28
+#define cause_EXC2_mask 0x00070000
+#define cause_EXC2_shift 16
+#define cause_IP7 (1 << 15) /* Interrupt pending */
+#define cause_SIOP (1 << 12) /* SIO pending */
+#define cause_IP3 (1 << 11) /* Int 0 pending */
+#define cause_IP2 (1 << 10) /* Int 1 pending */
+
+#define cause_EXC_mask (0x1c) /* Exception code */
+#define cause_EXC_shift (2)
+
+#define cause_SW0 (1 << 8) /* Software interrupt 0 */
+#define cause_SW1 (1 << 9) /* Software interrupt 1 */
+#define cause_IP_mask (0x3f) /* Interrupt pending field */
+#define cause_IP_shift (10)
+
+#define cause_set_EXC(x) CAUSE = (CAUSE & ~cause_EXC_mask) | ((x << cause_EXC_shift) & cause_EXC_mask)
+#define cause_set_EXC2(x) CAUSE = (CAUSE & ~cause_EXC2_mask) | ((x << cause_EXC2_shift) & cause_EXC2_mask)
+
/* NOTE: We keep the following status flags as bit values (1 for true,
0 for false). This allows them to be used in binary boolean
@@ -699,13 +564,17 @@ struct sim_state {
value is. */
/* UserMode */
-#define UserMode ((((SR & status_KSU_mask) >> status_KSU_shift) == ksu_user) ? 1 : 0)
+#ifdef SUBTARGET_R3900
+#define UserMode ((SR & status_KUc) ? 1 : 0)
+#else
+#define UserMode ((((SR & status_KSU_mask) >> status_KSU_shift) == ksu_user) ? 1 : 0)
+#endif /* SUBTARGET_R3900 */
/* BigEndianMem */
/* Hardware configuration. Affects endianness of LoadMemory and
StoreMemory and the endianness of Kernel and Supervisor mode
execution. The value is 0 for little-endian; 1 for big-endian. */
-#define BigEndianMem (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+#define BigEndianMem (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
/*(state & simBE) ? 1 : 0)*/
/* ReverseEndian */
@@ -727,47 +596,88 @@ struct sim_state {
/* NOTE: These numbers depend on the processor architecture being
simulated: */
-#define Interrupt (0)
-#define TLBModification (1)
-#define TLBLoad (2)
-#define TLBStore (3)
-#define AddressLoad (4)
-#define AddressStore (5)
-#define InstructionFetch (6)
-#define DataReference (7)
-#define SystemCall (8)
-#define BreakPoint (9)
-#define ReservedInstruction (10)
-#define CoProcessorUnusable (11)
-#define IntegerOverflow (12) /* Arithmetic overflow (IDT monitor raises SIGFPE) */
-#define Trap (13)
-#define FPE (15)
-#define DebugBreakPoint (16)
-#define Watch (23)
+enum ExceptionCause {
+ Interrupt = 0,
+ TLBModification = 1,
+ TLBLoad = 2,
+ TLBStore = 3,
+ AddressLoad = 4,
+ AddressStore = 5,
+ InstructionFetch = 6,
+ DataReference = 7,
+ SystemCall = 8,
+ BreakPoint = 9,
+ ReservedInstruction = 10,
+ CoProcessorUnusable = 11,
+ IntegerOverflow = 12, /* Arithmetic overflow (IDT monitor raises SIGFPE) */
+ Trap = 13,
+ FPE = 15,
+ DebugBreakPoint = 16, /* Impl. dep. in MIPS32/MIPS64. */
+ MDMX = 22,
+ Watch = 23,
+ MCheck = 24,
+ CacheErr = 30,
+ NMIReset = 31, /* Reserved in MIPS32/MIPS64. */
+
/* The following exception code is actually private to the simulator
world. It is *NOT* a processor feature, and is used to signal
run-time errors in the simulator. */
-#define SimulatorFault (0xFFFFFFFF)
+ SimulatorFault = 0xFFFFFFFF
+};
+
+#define TLB_REFILL (0)
+#define TLB_INVALID (1)
+
+
+/* The following break instructions are reserved for use by the
+ simulator. The first is used to halt the simulation. The second
+ is used by gdb for break-points. NOTE: Care must be taken, since
+ this value may be used in later revisions of the MIPS ISA. */
+#define HALT_INSTRUCTION_MASK (0x03FFFFC0)
+
+#define HALT_INSTRUCTION (0x03ff000d)
+#define HALT_INSTRUCTION2 (0x0000ffcd)
+
+
+#define BREAKPOINT_INSTRUCTION (0x0005000d)
+#define BREAKPOINT_INSTRUCTION2 (0x0000014d)
+
+
+
+void interrupt_event (SIM_DESC sd, void *data);
void signal_exception (SIM_DESC sd, sim_cpu *cpu, address_word cia, int exception, ...);
#define SignalException(exc,instruction) signal_exception (SD, CPU, cia, (exc), (instruction))
-#define SignalExceptionInterrupt() signal_exception (SD, CPU, NULL_CIA, Interrupt)
+#define SignalExceptionInterrupt(level) signal_exception (SD, CPU, cia, Interrupt, level)
#define SignalExceptionInstructionFetch() signal_exception (SD, CPU, cia, InstructionFetch)
#define SignalExceptionAddressStore() signal_exception (SD, CPU, cia, AddressStore)
#define SignalExceptionAddressLoad() signal_exception (SD, CPU, cia, AddressLoad)
+#define SignalExceptionDataReference() signal_exception (SD, CPU, cia, DataReference)
#define SignalExceptionSimulatorFault(buf) signal_exception (SD, CPU, cia, SimulatorFault, buf)
#define SignalExceptionFPE() signal_exception (SD, CPU, cia, FPE)
#define SignalExceptionIntegerOverflow() signal_exception (SD, CPU, cia, IntegerOverflow)
-#define SignalExceptionCoProcessorUnusable() signal_exception (SD, CPU, cia, CoProcessorUnusable)
-
+#define SignalExceptionCoProcessorUnusable(cop) signal_exception (SD, CPU, cia, CoProcessorUnusable)
+#define SignalExceptionNMIReset() signal_exception (SD, CPU, cia, NMIReset)
+#define SignalExceptionTLBRefillStore() signal_exception (SD, CPU, cia, TLBStore, TLB_REFILL)
+#define SignalExceptionTLBRefillLoad() signal_exception (SD, CPU, cia, TLBLoad, TLB_REFILL)
+#define SignalExceptionTLBInvalidStore() signal_exception (SD, CPU, cia, TLBStore, TLB_INVALID)
+#define SignalExceptionTLBInvalidLoad() signal_exception (SD, CPU, cia, TLBLoad, TLB_INVALID)
+#define SignalExceptionTLBModification() signal_exception (SD, CPU, cia, TLBModification)
+#define SignalExceptionMDMX() signal_exception (SD, CPU, cia, MDMX)
+#define SignalExceptionWatch() signal_exception (SD, CPU, cia, Watch)
+#define SignalExceptionMCheck() signal_exception (SD, CPU, cia, MCheck)
+#define SignalExceptionCacheErr() signal_exception (SD, CPU, cia, CacheErr)
/* Co-processor accesses */
-void cop_lw PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, unsigned int memword));
-void cop_ld PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, uword64 memword));
-unsigned int cop_sw PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg));
-uword64 cop_sd PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg));
+/* XXX FIXME: For now, assume that FPU (cp1) is always usable. */
+#define COP_Usable(coproc_num) (coproc_num == 1)
+
+void cop_lw (SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, unsigned int memword);
+void cop_ld (SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg, uword64 memword);
+unsigned int cop_sw (SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg);
+uword64 cop_sd (SIM_DESC sd, sim_cpu *cpu, address_word cia, int coproc_num, int coproc_reg);
#define COP_LW(coproc_num,coproc_reg,memword) \
cop_lw (SD, CPU, cia, coproc_num, coproc_reg, memword)
@@ -778,22 +688,200 @@ cop_sw (SD, CPU, cia, coproc_num, coproc_reg)
#define COP_SD(coproc_num,coproc_reg) \
cop_sd (SD, CPU, cia, coproc_num, coproc_reg)
-/* start-sanitize-sky */
-#ifdef TARGET_SKY
-void cop_lq PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia,
- int coproc_num, int coproc_reg, unsigned128 memword));
-unsigned128 cop_sq PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia,
- int coproc_num, int coproc_reg));
-#define COP_LQ(coproc_num,coproc_reg,memword) \
-cop_lq (SD, CPU, cia, coproc_num, coproc_reg, memword)
-#define COP_SQ(coproc_num,coproc_reg) \
-cop_sq (SD, CPU, cia, coproc_num, coproc_reg)
-#endif /* TARGET_SKY */
-/* end-sanitize-sky */
-void decode_coproc PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, unsigned int instruction));
-#define DecodeCoproc(instruction) \
-decode_coproc (SD, CPU, cia, (instruction))
+void decode_coproc (SIM_DESC sd, sim_cpu *cpu, address_word cia,
+ unsigned int instruction, int coprocnum, CP0_operation op,
+ int rt, int rd, int sel);
+#define DecodeCoproc(instruction,coprocnum,op,rt,rd,sel) \
+ decode_coproc (SD, CPU, cia, (instruction), (coprocnum), (op), \
+ (rt), (rd), (sel))
+
+int sim_monitor (SIM_DESC sd, sim_cpu *cpu, address_word cia, unsigned int arg);
+
+
+/* FPR access. */
+unsigned64 value_fpr (SIM_STATE, int fpr, FP_formats);
+#define ValueFPR(FPR,FMT) value_fpr (SIM_ARGS, (FPR), (FMT))
+void store_fpr (SIM_STATE, int fpr, FP_formats fmt, unsigned64 value);
+#define StoreFPR(FPR,FMT,VALUE) store_fpr (SIM_ARGS, (FPR), (FMT), (VALUE))
+unsigned64 ps_lower (SIM_STATE, unsigned64 op);
+#define PSLower(op) ps_lower (SIM_ARGS, op)
+unsigned64 ps_upper (SIM_STATE, unsigned64 op);
+#define PSUpper(op) ps_upper (SIM_ARGS, op)
+unsigned64 pack_ps (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats from);
+#define PackPS(op1,op2) pack_ps (SIM_ARGS, op1, op2, fmt_single)
+
+
+/* FCR access. */
+unsigned_word value_fcr (SIM_STATE, int fcr);
+#define ValueFCR(FCR) value_fcr (SIM_ARGS, (FCR))
+void store_fcr (SIM_STATE, int fcr, unsigned_word value);
+#define StoreFCR(FCR,VALUE) store_fcr (SIM_ARGS, (FCR), (VALUE))
+void test_fcsr (SIM_STATE);
+#define TestFCSR() test_fcsr (SIM_ARGS)
+
+
+/* FPU operations. */
+void fp_cmp (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt, int abs, int cond, int cc);
+#define Compare(op1,op2,fmt,cond,cc) fp_cmp(SIM_ARGS, op1, op2, fmt, 0, cond, cc)
+unsigned64 fp_abs (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define AbsoluteValue(op,fmt) fp_abs(SIM_ARGS, op, fmt)
+unsigned64 fp_neg (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define Negate(op,fmt) fp_neg(SIM_ARGS, op, fmt)
+unsigned64 fp_add (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define Add(op1,op2,fmt) fp_add(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_sub (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define Sub(op1,op2,fmt) fp_sub(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_mul (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define Multiply(op1,op2,fmt) fp_mul(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_div (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define Divide(op1,op2,fmt) fp_div(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_recip (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define Recip(op,fmt) fp_recip(SIM_ARGS, op, fmt)
+unsigned64 fp_sqrt (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define SquareRoot(op,fmt) fp_sqrt(SIM_ARGS, op, fmt)
+unsigned64 fp_rsqrt (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define RSquareRoot(op,fmt) fp_rsqrt(SIM_ARGS, op, fmt)
+unsigned64 fp_madd (SIM_STATE, unsigned64 op1, unsigned64 op2,
+ unsigned64 op3, FP_formats fmt);
+#define MultiplyAdd(op1,op2,op3,fmt) fp_madd(SIM_ARGS, op1, op2, op3, fmt)
+unsigned64 fp_msub (SIM_STATE, unsigned64 op1, unsigned64 op2,
+ unsigned64 op3, FP_formats fmt);
+#define MultiplySub(op1,op2,op3,fmt) fp_msub(SIM_ARGS, op1, op2, op3, fmt)
+unsigned64 fp_nmadd (SIM_STATE, unsigned64 op1, unsigned64 op2,
+ unsigned64 op3, FP_formats fmt);
+#define NegMultiplyAdd(op1,op2,op3,fmt) fp_nmadd(SIM_ARGS, op1, op2, op3, fmt)
+unsigned64 fp_nmsub (SIM_STATE, unsigned64 op1, unsigned64 op2,
+ unsigned64 op3, FP_formats fmt);
+#define NegMultiplySub(op1,op2,op3,fmt) fp_nmsub(SIM_ARGS, op1, op2, op3, fmt)
+unsigned64 convert (SIM_STATE, int rm, unsigned64 op, FP_formats from, FP_formats to);
+#define Convert(rm,op,from,to) convert (SIM_ARGS, rm, op, from, to)
+unsigned64 convert_ps (SIM_STATE, int rm, unsigned64 op, FP_formats from,
+ FP_formats to);
+#define ConvertPS(rm,op,from,to) convert_ps (SIM_ARGS, rm, op, from, to)
+
+
+/* MIPS-3D ASE operations. */
+#define CompareAbs(op1,op2,fmt,cond,cc) \
+fp_cmp(SIM_ARGS, op1, op2, fmt, 1, cond, cc)
+unsigned64 fp_add_r (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define AddR(op1,op2,fmt) fp_add_r(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_mul_r (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define MultiplyR(op1,op2,fmt) fp_mul_r(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_recip1 (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define Recip1(op,fmt) fp_recip1(SIM_ARGS, op, fmt)
+unsigned64 fp_recip2 (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define Recip2(op1,op2,fmt) fp_recip2(SIM_ARGS, op1, op2, fmt)
+unsigned64 fp_rsqrt1 (SIM_STATE, unsigned64 op, FP_formats fmt);
+#define RSquareRoot1(op,fmt) fp_rsqrt1(SIM_ARGS, op, fmt)
+unsigned64 fp_rsqrt2 (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt);
+#define RSquareRoot2(op1,op2,fmt) fp_rsqrt2(SIM_ARGS, op1, op2, fmt)
+
+
+/* MDMX access. */
+
+typedef unsigned int MX_fmtsel; /* MDMX format select field (5 bits). */
+#define ob_fmtsel(sel) (((sel)<<1)|0x0)
+#define qh_fmtsel(sel) (((sel)<<2)|0x1)
+
+#define fmt_mdmx fmt_uninterpreted
+
+#define MX_VECT_AND (0)
+#define MX_VECT_NOR (1)
+#define MX_VECT_OR (2)
+#define MX_VECT_XOR (3)
+#define MX_VECT_SLL (4)
+#define MX_VECT_SRL (5)
+#define MX_VECT_ADD (6)
+#define MX_VECT_SUB (7)
+#define MX_VECT_MIN (8)
+#define MX_VECT_MAX (9)
+#define MX_VECT_MUL (10)
+#define MX_VECT_MSGN (11)
+#define MX_VECT_SRA (12)
+#define MX_VECT_ABSD (13) /* SB-1 only. */
+#define MX_VECT_AVG (14) /* SB-1 only. */
+
+unsigned64 mdmx_cpr_op (SIM_STATE, int op, unsigned64 op1, int vt, MX_fmtsel fmtsel);
+#define MX_Add(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_ADD, op1, vt, fmtsel)
+#define MX_And(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_AND, op1, vt, fmtsel)
+#define MX_Max(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_MAX, op1, vt, fmtsel)
+#define MX_Min(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_MIN, op1, vt, fmtsel)
+#define MX_Msgn(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_MSGN, op1, vt, fmtsel)
+#define MX_Mul(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_MUL, op1, vt, fmtsel)
+#define MX_Nor(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_NOR, op1, vt, fmtsel)
+#define MX_Or(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_OR, op1, vt, fmtsel)
+#define MX_ShiftLeftLogical(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_SLL, op1, vt, fmtsel)
+#define MX_ShiftRightArith(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_SRA, op1, vt, fmtsel)
+#define MX_ShiftRightLogical(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_SRL, op1, vt, fmtsel)
+#define MX_Sub(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_SUB, op1, vt, fmtsel)
+#define MX_Xor(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_XOR, op1, vt, fmtsel)
+#define MX_AbsDiff(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_ABSD, op1, vt, fmtsel)
+#define MX_Avg(op1,vt,fmtsel) mdmx_cpr_op(SIM_ARGS, MX_VECT_AVG, op1, vt, fmtsel)
+
+#define MX_C_EQ 0x1
+#define MX_C_LT 0x4
+
+void mdmx_cc_op (SIM_STATE, int cond, unsigned64 op1, int vt, MX_fmtsel fmtsel);
+#define MX_Comp(op1,cond,vt,fmtsel) mdmx_cc_op(SIM_ARGS, cond, op1, vt, fmtsel)
+
+unsigned64 mdmx_pick_op (SIM_STATE, int tf, unsigned64 op1, int vt, MX_fmtsel fmtsel);
+#define MX_Pick(tf,op1,vt,fmtsel) mdmx_pick_op(SIM_ARGS, tf, op1, vt, fmtsel)
+
+#define MX_VECT_ADDA (0)
+#define MX_VECT_ADDL (1)
+#define MX_VECT_MULA (2)
+#define MX_VECT_MULL (3)
+#define MX_VECT_MULS (4)
+#define MX_VECT_MULSL (5)
+#define MX_VECT_SUBA (6)
+#define MX_VECT_SUBL (7)
+#define MX_VECT_ABSDA (8) /* SB-1 only. */
+
+void mdmx_acc_op (SIM_STATE, int op, unsigned64 op1, int vt, MX_fmtsel fmtsel);
+#define MX_AddA(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_ADDA, op1, vt, fmtsel)
+#define MX_AddL(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_ADDL, op1, vt, fmtsel)
+#define MX_MulA(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_MULA, op1, vt, fmtsel)
+#define MX_MulL(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_MULL, op1, vt, fmtsel)
+#define MX_MulS(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_MULS, op1, vt, fmtsel)
+#define MX_MulSL(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_MULSL, op1, vt, fmtsel)
+#define MX_SubA(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_SUBA, op1, vt, fmtsel)
+#define MX_SubL(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_SUBL, op1, vt, fmtsel)
+#define MX_AbsDiffC(op1,vt,fmtsel) mdmx_acc_op(SIM_ARGS, MX_VECT_ABSDA, op1, vt, fmtsel)
+
+#define MX_FMT_OB (0)
+#define MX_FMT_QH (1)
+
+/* The following codes chosen to indicate the units of shift. */
+#define MX_RAC_L (0)
+#define MX_RAC_M (1)
+#define MX_RAC_H (2)
+
+unsigned64 mdmx_rac_op (SIM_STATE, int, int);
+#define MX_RAC(op,fmt) mdmx_rac_op(SIM_ARGS, op, fmt)
+
+void mdmx_wacl (SIM_STATE, int, unsigned64, unsigned64);
+#define MX_WACL(fmt,vs,vt) mdmx_wacl(SIM_ARGS, fmt, vs, vt)
+void mdmx_wach (SIM_STATE, int, unsigned64);
+#define MX_WACH(fmt,vs) mdmx_wach(SIM_ARGS, fmt, vs)
+
+#define MX_RND_AS (0)
+#define MX_RND_AU (1)
+#define MX_RND_ES (2)
+#define MX_RND_EU (3)
+#define MX_RND_ZS (4)
+#define MX_RND_ZU (5)
+
+unsigned64 mdmx_round_op (SIM_STATE, int, int, MX_fmtsel);
+#define MX_RNAS(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_AS, vt, fmt)
+#define MX_RNAU(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_AU, vt, fmt)
+#define MX_RNES(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_ES, vt, fmt)
+#define MX_RNEU(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_EU, vt, fmt)
+#define MX_RZS(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_ZS, vt, fmt)
+#define MX_RZU(vt,fmt) mdmx_round_op(SIM_ARGS, MX_RND_ZU, vt, fmt)
+
+unsigned64 mdmx_shuffle (SIM_STATE, int, unsigned64, unsigned64);
+#define MX_SHFL(shop,op1,op2) mdmx_shuffle(SIM_ARGS, shop, op1, op2)
@@ -802,12 +890,6 @@ decode_coproc (SD, CPU, cia, (instruction))
/* The following are generic to all versions of the MIPS architecture
to date: */
-/* Memory Access Types (for CCA): */
-#define Uncached (0)
-#define CachedNoncoherent (1)
-#define CachedCoherent (2)
-#define Cached (3)
-
#define isINSTRUCTION (1 == 0) /* FALSE */
#define isDATA (1 == 1) /* TRUE */
#define isLOAD (1 == 0) /* FALSE */
@@ -830,64 +912,99 @@ decode_coproc (SD, CPU, cia, (instruction))
#define AccessLength_DOUBLEWORD (7)
#define AccessLength_QUADWORD (15)
-#if (WITH_IGEN)
#define LOADDRMASK (WITH_TARGET_WORD_BITSIZE == 64 \
? AccessLength_DOUBLEWORD /*7*/ \
: AccessLength_WORD /*3*/)
#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
-#endif
-
-/* start-sanitize-sky */
-#ifdef OOPS_THIS_DOESN_T_WORK
-#ifdef TARGET_SKY
- /* 128-bit accesses are allowed */
-#undef LOADDRMASK
-#define LOADDRMASK AccessLength_QUADWORD
-#undef PSIZE
-#define PSIZE (WITH_TARGET_ADDRESS_BITSIZE)
-#endif /* TARGET_SKY */
-#endif
-/* end-sanitize-sky */
-INLINE_SIM_MAIN (int) address_translation PARAMS ((SIM_DESC sd, sim_cpu *, address_word cia, address_word vAddr, int IorD, int LorS, address_word *pAddr, int *CCA, int raw));
-#define AddressTranslation(vAddr,IorD,LorS,pAddr,CCA,host,raw) \
-address_translation (SD, CPU, cia, vAddr, IorD, LorS, pAddr, CCA, raw)
+INLINE_SIM_MAIN (void) load_memory (SIM_DESC sd, sim_cpu *cpu, address_word cia, uword64* memvalp, uword64* memval1p, int CCA, unsigned int AccessLength, address_word pAddr, address_word vAddr, int IorD);
+#define LoadMemory(memvalp,memval1p,AccessLength,pAddr,vAddr,IorD,raw) \
+load_memory (SD, CPU, cia, memvalp, memval1p, 0, AccessLength, pAddr, vAddr, IorD)
-INLINE_SIM_MAIN (void) load_memory PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, uword64* memvalp, uword64* memval1p, int CCA, unsigned int AccessLength, address_word pAddr, address_word vAddr, int IorD));
-#define LoadMemory(memvalp,memval1p,CCA,AccessLength,pAddr,vAddr,IorD,raw) \
-load_memory (SD, CPU, cia, memvalp, memval1p, CCA, AccessLength, pAddr, vAddr, IorD)
+INLINE_SIM_MAIN (void) store_memory (SIM_DESC sd, sim_cpu *cpu, address_word cia, int CCA, unsigned int AccessLength, uword64 MemElem, uword64 MemElem1, address_word pAddr, address_word vAddr);
+#define StoreMemory(AccessLength,MemElem,MemElem1,pAddr,vAddr,raw) \
+store_memory (SD, CPU, cia, 0, AccessLength, MemElem, MemElem1, pAddr, vAddr)
-INLINE_SIM_MAIN (void) store_memory PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int CCA, unsigned int AccessLength, uword64 MemElem, uword64 MemElem1, address_word pAddr, address_word vAddr));
-#define StoreMemory(CCA,AccessLength,MemElem,MemElem1,pAddr,vAddr,raw) \
-store_memory (SD, CPU, cia, CCA, AccessLength, MemElem, MemElem1, pAddr, vAddr)
-
-INLINE_SIM_MAIN (void) cache_op PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int op, address_word pAddr, address_word vAddr, unsigned int instruction));
+INLINE_SIM_MAIN (void) cache_op (SIM_DESC sd, sim_cpu *cpu, address_word cia, int op, address_word pAddr, address_word vAddr, unsigned int instruction);
#define CacheOp(op,pAddr,vAddr,instruction) \
cache_op (SD, CPU, cia, op, pAddr, vAddr, instruction)
-INLINE_SIM_MAIN (void) sync_operation PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int stype));
+INLINE_SIM_MAIN (void) sync_operation (SIM_DESC sd, sim_cpu *cpu, address_word cia, int stype);
#define SyncOperation(stype) \
sync_operation (SD, CPU, cia, (stype))
-INLINE_SIM_MAIN (void) prefetch PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, int CCA, address_word pAddr, address_word vAddr, int DATA, int hint));
-#define Prefetch(CCA,pAddr,vAddr,DATA,hint) \
-prefetch (SD, CPU, cia, CCA, pAddr, vAddr, DATA, hint)
+void unpredictable_action (sim_cpu *cpu, address_word cia);
+#define NotWordValue(val) not_word_value (SD_, (val))
+#define Unpredictable() unpredictable (SD_)
+#define UnpredictableResult() /* For now, do nothing. */
-INLINE_SIM_MAIN (unsigned32) ifetch32 PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr));
+INLINE_SIM_MAIN (unsigned32) ifetch32 (SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr);
#define IMEM32(CIA) ifetch32 (SD, CPU, (CIA), (CIA))
-unsigned16 ifetch16 PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr));
-#define IMEM16(CIA,NR) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1) + 2 * (NR))
+INLINE_SIM_MAIN (unsigned16) ifetch16 (SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr);
+#define IMEM16(CIA) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1))
#define IMEM16_IMMED(CIA,NR) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1) + 2 * (NR))
+#define IMEM32_MICROMIPS(CIA) \
+ (ifetch16 (SD, CPU, (CIA), (CIA)) << 16 | ifetch16 (SD, CPU, (CIA + 2), \
+ (CIA + 2)))
+#define IMEM16_MICROMIPS(CIA) ifetch16 (SD, CPU, (CIA), ((CIA)))
+
+#define MICROMIPS_MINOR_OPCODE(INSN) ((INSN & 0x1C00) >> 10)
+
+#define MICROMIPS_DELAYSLOT_SIZE_ANY 0
+#define MICROMIPS_DELAYSLOT_SIZE_16 2
+#define MICROMIPS_DELAYSLOT_SIZE_32 4
+
+extern int isa_mode;
+
+#define ISA_MODE_MIPS32 0
+#define ISA_MODE_MICROMIPS 1
+
+address_word micromips_instruction_decode (SIM_DESC sd, sim_cpu * cpu,
+ address_word cia,
+ int instruction_size);
+
+#if WITH_TRACE_ANY_P
+void dotrace (SIM_DESC sd, sim_cpu *cpu, FILE *tracefh, int type, SIM_ADDR address, int width, const char *comment, ...) ATTRIBUTE_PRINTF (7, 8);
+extern FILE *tracefh;
+#else
+#define dotrace(sd, cpu, tracefh, type, address, width, comment, ...)
+#endif
+
+extern int DSPLO_REGNUM[4];
+extern int DSPHI_REGNUM[4];
+
+INLINE_SIM_MAIN (void) pending_tick (SIM_DESC sd, sim_cpu *cpu, address_word cia);
+extern SIM_CORE_SIGNAL_FN mips_core_signal;
+
+char* pr_addr (SIM_ADDR addr);
+char* pr_uword64 (uword64 addr);
+
+
+#define GPR_CLEAR(N) do { GPR_SET((N),0); } while (0)
+
+void mips_cpu_exception_trigger(SIM_DESC sd, sim_cpu* cpu, address_word pc);
+void mips_cpu_exception_suspend(SIM_DESC sd, sim_cpu* cpu, int exception);
+void mips_cpu_exception_resume(SIM_DESC sd, sim_cpu* cpu, int exception);
+
+#ifdef MIPS_MACH_MULTI
+extern int mips_mach_multi(SIM_DESC sd);
+#define MIPS_MACH(SD) mips_mach_multi(SD)
+#else
+#define MIPS_MACH(SD) MIPS_MACH_DEFAULT
+#endif
-void dotrace PARAMS ((SIM_DESC sd, sim_cpu *cpu, FILE *tracefh, int type, SIM_ADDR address, int width, char *comment, ...));
-FILE *tracefh;
+/* Macros for determining whether a MIPS IV or MIPS V part is subject
+ to the hi/lo restrictions described in mips.igen. */
-INLINE_SIM_MAIN (void) pending_tick PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia));
+#define MIPS_MACH_HAS_MT_HILO_HAZARD(SD) \
+ (MIPS_MACH (SD) != bfd_mach_mips5500)
-char* pr_addr PARAMS ((SIM_ADDR addr));
-char* pr_uword64 PARAMS ((uword64 addr));
+#define MIPS_MACH_HAS_MULT_HILO_HAZARD(SD) \
+ (MIPS_MACH (SD) != bfd_mach_mips5500)
+#define MIPS_MACH_HAS_DIV_HILO_HAZARD(SD) \
+ (MIPS_MACH (SD) != bfd_mach_mips5500)
#if H_REVEALS_MODULE_P (SIM_MAIN_INLINE)
#include "sim-main.c"