#include <stdio.h>
#include <ctype.h>
#include "ansidecl.h"
-#include "callback.h"
+#include "sim/callback.h"
#include "opcode/mn10300.h"
#include <limits.h>
-#include "remote-sim.h"
+#include "sim/sim.h"
+#include "bfd.h"
+#include "sim-fpu.h"
+#include "sim-signal.h"
-extern host_callback *mn10300_callback;
+extern SIM_DESC simulator;
-#define DEBUG_TRACE 0x00000001
-#define DEBUG_VALUES 0x00000002
-
-extern int mn10300_debug;
-
-#if UCHAR_MAX == 255
-typedef unsigned char uint8;
-typedef signed char int8;
-#else
-#error "Char is not an 8-bit type"
-#endif
-
-#if SHRT_MAX == 32767
-typedef unsigned short uint16;
-typedef signed short int16;
-#else
-#error "Short is not a 16-bit type"
-#endif
-
-#if INT_MAX == 2147483647
-
-typedef unsigned int uint32;
-typedef signed int int32;
-
-#else
-# if LONG_MAX == 2147483647
-
-typedef unsigned long uint32;
-typedef signed long int32;
-
-# else
-# error "Neither int nor long is a 32-bit type"
-# endif
-#endif
-
-typedef uint32 reg_t;
+typedef struct
+{
+ uint32_t low, high;
+} dword;
+typedef uint32_t reg_t;
struct simops
{
long mask;
void (*func)();
int length;
+ int format;
int numops;
int operands[16];
};
struct _state
{
- reg_t regs[9]; /* registers, d0-d3, a0-a3, sp */
- reg_t sregs[8]; /* system registers, including psw */
- reg_t pc;
- uint8 *mem; /* main memory */
- int exception;
-} State;
+ reg_t regs[32]; /* registers, d0-d3, a0-a3, sp, pc, mdr, psw,
+ lir, lar, mdrq, plus some room for processor
+ specific regs. */
+ union
+ {
+ reg_t fs[32]; /* FS0-31 */
+ dword fd[16]; /* FD0,2,...,30 */
+ } fpregs;
+
+ /* All internal state modified by signal_exception() that may need to be
+ rolled back for passing moment-of-exception image back to gdb. */
+ reg_t exc_trigger_regs[32];
+ reg_t exc_suspend_regs[32];
+ int exc_suspended;
+
+#define SIM_CPU_EXCEPTION_TRIGGER(SD,CPU,CIA) mn10300_cpu_exception_trigger(SD,CPU,CIA)
+#define SIM_CPU_EXCEPTION_SUSPEND(SD,CPU,EXC) mn10300_cpu_exception_suspend(SD,CPU,EXC)
+#define SIM_CPU_EXCEPTION_RESUME(SD,CPU,EXC) mn10300_cpu_exception_resume(SD,CPU,EXC)
+};
+
+extern struct _state State;
-extern uint32 OP[4];
-extern struct simops Simops[];
-extern unsigned long insn, extension;
+#define PC (State.regs[REG_PC])
+#define SP (State.regs[REG_SP])
-#define PC (State.pc)
+#define PSW (State.regs[11])
+#define PSW_Z 0x1
+#define PSW_N 0x2
+#define PSW_C 0x4
+#define PSW_V 0x8
+#define PSW_IE LSBIT (11)
+#define PSW_LM LSMASK (10, 8)
-#define PSW (State.sregs[0])
-#define PSW_V 0x1
-#define PSW_C 0x2
-#define PSW_N 0x4
-#define PSW_Z 0x8
+#define EXTRACT_PSW_LM LSEXTRACTED16 (PSW, 10, 8)
+#define INSERT_PSW_LM(l) LSINSERTED16 ((l), 10, 8)
#define REG_D0 0
#define REG_A0 4
#define REG_SP 8
+#define REG_PC 9
+#define REG_MDR 10
+#define REG_PSW 11
+#define REG_LIR 12
+#define REG_LAR 13
+#define REG_MDRQ 14
+#define REG_E0 15
+#define REG_SSP 23
+#define REG_MSP 24
+#define REG_USP 25
+#define REG_MCRH 26
+#define REG_MCRL 27
+#define REG_MCVF 28
+
+#define REG_FPCR 29
+
+#define FPCR (State.regs[REG_FPCR])
+
+#define FCC_MASK LSMASK (21, 18)
+#define RM_MASK LSMASK (17, 16) /* Must always be zero. */
+#define EC_MASK LSMASK (14, 10)
+#define EE_MASK LSMASK ( 9, 5)
+#define EF_MASK LSMASK ( 4, 0)
+#define FPCR_MASK (FCC_MASK | EC_MASK | EE_MASK | EF_MASK)
+
+#define FCC_L LSBIT (21)
+#define FCC_G LSBIT (20)
+#define FCC_E LSBIT (19)
+#define FCC_U LSBIT (18)
+
+#define EC_V LSBIT (14)
+#define EC_Z LSBIT (13)
+#define EC_O LSBIT (12)
+#define EC_U LSBIT (11)
+#define EC_I LSBIT (10)
+
+#define EE_V LSBIT (9)
+#define EE_Z LSBIT (8)
+#define EE_O LSBIT (7)
+#define EE_U LSBIT (6)
+#define EE_I LSBIT (5)
+
+#define EF_V LSBIT (4)
+#define EF_Z LSBIT (3)
+#define EF_O LSBIT (2)
+#define EF_U LSBIT (1)
+#define EF_I LSBIT (0)
+
+#define PSW_FE LSBIT(20)
+#define FPU_DISABLED !(PSW & PSW_FE)
+
+#define XS2FS(X,S) State.fpregs.fs[((X<<4)|(S))]
+#define AS2FS(A,S) State.fpregs.fs[((A<<2)|(S))]
+#define Xf2FD(X,f) State.fpregs.fd[((X<<3)|(f))]
+
+#define FS2FPU(FS,F) sim_fpu_32to (&(F), (FS))
+#define FD2FPU(FD,F) sim_fpu_232to (&(F), ((FD).high), ((FD).low))
+#define FPU2FS(F,FS) sim_fpu_to32 (&(FS), &(F))
+#define FPU2FD(F,FD) sim_fpu_to232 (&((FD).high), &((FD).low), &(F))
+
+#define FETCH32(a,b,c,d) \
+ ((a)+((b)<<8)+((c)<<16)+((d)<<24))
+
+#define FETCH24(a,b,c) \
+ ((a)+((b)<<8)+((c)<<16))
+
+#define FETCH16(a,b) ((a)+((b)<<8))
+
+#define load_byte(ADDR) \
+sim_core_read_unaligned_1 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
+
+#define load_half(ADDR) \
+sim_core_read_unaligned_2 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
+
+#define load_word(ADDR) \
+sim_core_read_unaligned_4 (STATE_CPU (simulator, 0), PC, read_map, (ADDR))
+
+#define load_dword(ADDR) \
+u642dw (sim_core_read_unaligned_8 (STATE_CPU (simulator, 0), \
+ PC, read_map, (ADDR)))
+
+static INLINE2 dword
+u642dw (uint64_t dw)
+{
+ dword r;
-#define SEXT3(x) ((((x)&0x7)^(~0x3))+0x4)
-
-/* sign-extend a 4-bit number */
-#define SEXT4(x) ((((x)&0xf)^(~0x7))+0x8)
-
-/* sign-extend a 5-bit number */
-#define SEXT5(x) ((((x)&0x1f)^(~0xf))+0x10)
-
-/* sign-extend an 8-bit number */
-#define SEXT8(x) ((((x)&0xff)^(~0x7f))+0x80)
-
-/* sign-extend a 9-bit number */
-#define SEXT9(x) ((((x)&0x1ff)^(~0xff))+0x100)
-
-/* sign-extend a 16-bit number */
-#define SEXT16(x) ((((x)&0xffff)^(~0x7fff))+0x8000)
-
-/* sign-extend a 22-bit number */
-#define SEXT22(x) ((((x)&0x3fffff)^(~0x1fffff))+0x200000)
-
-/* sign-extend a 32-bit number */
-#define SEXT32(x) ((((x)&0xffffffffLL)^(~0x7fffffffLL))+0x80000000LL)
+ r.low = (uint32_t)dw;
+ r.high = (uint32_t)(dw >> 32);
+ return r;
+}
-/* sign extend a 40 bit number */
-#define SEXT40(x) ((((x)&0xffffffffffLL)^(~0x7fffffffffLL))+0x8000000000LL)
+#define store_byte(ADDR, DATA) \
+sim_core_write_unaligned_1 (STATE_CPU (simulator, 0), \
+ PC, write_map, (ADDR), (DATA))
-/* sign extend a 44 bit number */
-#define SEXT44(x) ((((x)&0xfffffffffffLL)^(~0x7ffffffffffLL))+0x80000000000LL)
-/* sign extend a 60 bit number */
-#define SEXT60(x) ((((x)&0xfffffffffffffffLL)^(~0x7ffffffffffffffLL))+0x800000000000000LL)
+#define store_half(ADDR, DATA) \
+sim_core_write_unaligned_2 (STATE_CPU (simulator, 0), \
+ PC, write_map, (ADDR), (DATA))
-#define MAX32 0x7fffffffLL
-#define MIN32 0xff80000000LL
-#define MASK32 0xffffffffLL
-#define MASK40 0xffffffffffLL
-#define RLW(x) load_mem (x, 4)
+#define store_word(ADDR, DATA) \
+sim_core_write_unaligned_4 (STATE_CPU (simulator, 0), \
+ PC, write_map, (ADDR), (DATA))
+#define store_dword(ADDR, DATA) \
+sim_core_write_unaligned_8 (STATE_CPU (simulator, 0), \
+ PC, write_map, (ADDR), dw2u64 (DATA))
-#ifdef _WIN32
-#define SIGTRAP 5
-#define SIGQUIT 3
-#endif
+static INLINE2 uint64_t
+dw2u64 (dword data)
+{
+ return data.low | (((uint64_t)data.high) << 32);
+}
/* Function declarations. */
-uint32 get_word PARAMS ((uint8 *));
-uint16 get_half PARAMS ((uint8 *));
-uint8 get_byte PARAMS ((uint8 *));
-void put_word PARAMS ((uint8 *, uint32));
-void put_half PARAMS ((uint8 *, uint16));
-void put_byte PARAMS ((uint8 *, uint8));
+INLINE_SIM_MAIN (void) genericAdd (uint32_t source, uint32_t destReg);
+INLINE_SIM_MAIN (void) genericSub (uint32_t source, uint32_t destReg);
+INLINE_SIM_MAIN (void) genericCmp (uint32_t leftOpnd, uint32_t rightOpnd);
+INLINE_SIM_MAIN (void) genericOr (uint32_t source, uint32_t destReg);
+INLINE_SIM_MAIN (void) genericXor (uint32_t source, uint32_t destReg);
+INLINE_SIM_MAIN (void) genericBtst (uint32_t leftOpnd, uint32_t rightOpnd);
+INLINE_SIM_MAIN (void) do_syscall (SIM_DESC sd);
+void program_interrupt (SIM_DESC sd, sim_cpu *cpu, sim_cia cia, SIM_SIGNAL sig);
-extern uint32 load_mem PARAMS ((SIM_ADDR addr, int len));
-extern void store_mem PARAMS ((SIM_ADDR addr, int len, uint32 data));
+void mn10300_cpu_exception_trigger(SIM_DESC sd, sim_cpu* cpu, address_word pc);
+void mn10300_cpu_exception_suspend(SIM_DESC sd, sim_cpu* cpu, int exception);
+void mn10300_cpu_exception_resume(SIM_DESC sd, sim_cpu* cpu, int exception);
-extern uint8 *map PARAMS ((SIM_ADDR addr));
+void fpu_disabled_exception (SIM_DESC, sim_cpu *, address_word);
+void fpu_unimp_exception (SIM_DESC, sim_cpu *, address_word);
+void fpu_check_signal_exception (SIM_DESC, sim_cpu *, address_word);
+
+extern const struct fp_prec_t
+{
+ void (* reg2val) (const void *, sim_fpu *);
+ int (* round) (sim_fpu *);
+ void (* val2reg) (const sim_fpu *, void *);
+} fp_single_prec, fp_double_prec;
+
+#define FP_SINGLE (&fp_single_prec)
+#define FP_DOUBLE (&fp_double_prec)
+
+void fpu_rsqrt (SIM_DESC, sim_cpu *, address_word, const void *, void *, const struct fp_prec_t *);
+void fpu_sqrt (SIM_DESC, sim_cpu *, address_word, const void *, void *, const struct fp_prec_t *);
+void fpu_cmp (SIM_DESC, sim_cpu *, address_word, const void *, const void *, const struct fp_prec_t *);
+void fpu_add (SIM_DESC, sim_cpu *, address_word, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_sub (SIM_DESC, sim_cpu *, address_word, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_mul (SIM_DESC, sim_cpu *, address_word, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_div (SIM_DESC, sim_cpu *, address_word, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_fmadd (SIM_DESC, sim_cpu *, address_word, const void *, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_fmsub (SIM_DESC, sim_cpu *, address_word, const void *, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_fnmadd (SIM_DESC, sim_cpu *, address_word, const void *, const void *, const void *, void *, const struct fp_prec_t *);
+void fpu_fnmsub (SIM_DESC, sim_cpu *, address_word, const void *, const void *, const void *, void *, const struct fp_prec_t *);
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