#include <limits.h>
#include "gdb/remote-sim.h"
#include "bfd.h"
+#include "sim-fpu.h"
-#ifndef INLINE
-#ifdef __GNUC__
-#define INLINE inline
-#else
-#define INLINE
-#endif
-#endif
-
-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 unsigned8 uint8;
+typedef signed8 int8;
+typedef unsigned16 uint16;
+typedef signed16 int16;
+typedef unsigned32 uint32;
+typedef signed32 int32;
+typedef struct
+{
+ uint32 low, high;
+} dword;
typedef uint32 reg_t;
struct simops
reg_t regs[32]; /* registers, d0-d3, a0-a3, sp, pc, mdr, psw,
lir, lar, mdrq, plus some room for processor
specific regs. */
- uint8 *mem; /* main memory */
- int exception;
- int exited;
+ 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. */
};
extern struct _state State;
-extern uint32 OP[4];
-extern struct simops Simops[];
#define PC (State.regs[REG_PC])
#define SP (State.regs[REG_SP])
#define REG_MCRL 27
#define REG_MCVF 28
-#ifdef _WIN32
-#define SIGTRAP 5
-#define SIGQUIT 3
-#endif
+#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 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 INLINE dword
+u642dw (unsigned64 dw)
+{
+ dword r;
+
+ r.low = (unsigned32)dw;
+ r.high = (unsigned32)(dw >> 32);
+ return r;
+}
+
#define store_byte(ADDR, DATA) \
sim_core_write_unaligned_1 (STATE_CPU (simulator, 0), \
PC, write_map, (ADDR), (DATA))
#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))
+
+static INLINE unsigned64
+dw2u64 (dword data)
+{
+ return data.low | (((unsigned64)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));
-
-extern uint8 *map PARAMS ((SIM_ADDR addr));
-
-INLINE_SIM_MAIN (void) genericAdd PARAMS ((unsigned32 source, unsigned32 destReg));
-INLINE_SIM_MAIN (void) genericSub PARAMS ((unsigned32 source, unsigned32 destReg));
-INLINE_SIM_MAIN (void) genericCmp PARAMS ((unsigned32 leftOpnd, unsigned32 rightOpnd));
-INLINE_SIM_MAIN (void) genericOr PARAMS ((unsigned32 source, unsigned32 destReg));
-INLINE_SIM_MAIN (void) genericXor PARAMS ((unsigned32 source, unsigned32 destReg));
-INLINE_SIM_MAIN (void) genericBtst PARAMS ((unsigned32 leftOpnd, unsigned32 rightOpnd));
-INLINE_SIM_MAIN (int) syscall_read_mem PARAMS ((host_callback *cb,
- struct cb_syscall *sc,
- unsigned long taddr,
- char *buf,
- int bytes));
-INLINE_SIM_MAIN (int) syscall_write_mem PARAMS ((host_callback *cb,
- struct cb_syscall *sc,
- unsigned long taddr,
- const char *buf,
- int bytes));
-INLINE_SIM_MAIN (void) do_syscall PARAMS ((void));
+INLINE_SIM_MAIN (void) genericAdd (unsigned32 source, unsigned32 destReg);
+INLINE_SIM_MAIN (void) genericSub (unsigned32 source, unsigned32 destReg);
+INLINE_SIM_MAIN (void) genericCmp (unsigned32 leftOpnd, unsigned32 rightOpnd);
+INLINE_SIM_MAIN (void) genericOr (unsigned32 source, unsigned32 destReg);
+INLINE_SIM_MAIN (void) genericXor (unsigned32 source, unsigned32 destReg);
+INLINE_SIM_MAIN (void) genericBtst (unsigned32 leftOpnd, unsigned32 rightOpnd);
+INLINE_SIM_MAIN (void) do_syscall (void);
void program_interrupt (SIM_DESC sd, sim_cpu *cpu, sim_cia cia, SIM_SIGNAL sig);
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);
+
+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 *);
projects / deliverable / binutils-gdb.git / blobdiff