* iq2000: New target subdirectory.

	* configure.ac: Add iq2000 target.
	* configure: Regenerate.

1 files changed, 531 insertions, 0 deletions

diff --git a/sim/iq2000/cpu.h b/sim/iq2000/cpu.h
new file mode 100644
index 0000000..9150577
--- /dev/null
+++ b/sim/iq2000/cpu.h
@@ -0,0 +1,531 @@
+/* CPU family header for iq2000bf.
+
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+
+Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+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 CPU_IQ2000BF_H
+#define CPU_IQ2000BF_H
+
+/* Maximum number of instructions that are fetched at a time.
+   This is for LIW type instructions sets (e.g. m32r).  */
+#define MAX_LIW_INSNS 1
+
+/* Maximum number of instructions that can be executed in parallel.  */
+#define MAX_PARALLEL_INSNS 1
+
+/* CPU state information.  */
+typedef struct {
+  /* Hardware elements.  */
+  struct {
+  /* program counter */
+  USI h_pc;
+#define GET_H_PC() get_h_pc (current_cpu)
+#define SET_H_PC(x) \
+do { \
+set_h_pc (current_cpu, (x));\
+;} while (0)
+  /* General purpose registers */
+  SI h_gr[32];
+#define GET_H_GR(index) (((index) == (0))) ? (0) : (CPU (h_gr[index]))
+#define SET_H_GR(index, x) \
+do { \
+if ((((index)) == (0))) {\
+((void) 0); /*nop*/\
+}\
+ else {\
+CPU (h_gr[(index)]) = (x);\
+}\
+;} while (0)
+  } hardware;
+#define CPU_CGEN_HW(cpu) (& (cpu)->cpu_data.hardware)
+} IQ2000BF_CPU_DATA;
+
+/* Cover fns for register access.  */
+USI iq2000bf_h_pc_get (SIM_CPU *);
+void iq2000bf_h_pc_set (SIM_CPU *, USI);
+SI iq2000bf_h_gr_get (SIM_CPU *, UINT);
+void iq2000bf_h_gr_set (SIM_CPU *, UINT, SI);
+
+/* These must be hand-written.  */
+extern CPUREG_FETCH_FN iq2000bf_fetch_register;
+extern CPUREG_STORE_FN iq2000bf_store_register;
+
+typedef struct {
+  int empty;
+} MODEL_IQ2000_DATA;
+
+/* Instruction argument buffer.  */
+
+union sem_fields {
+  struct { /* no operands */
+    int empty;
+  } fmt_empty;
+  struct { /*  */
+    IADDR i_jmptarg;
+  } sfmt_j;
+  struct { /*  */
+    IADDR i_offset;
+    UINT f_rs;
+    UINT f_rt;
+  } sfmt_bbi;
+  struct { /*  */
+    UINT f_imm;
+    UINT f_rs;
+    UINT f_rt;
+  } sfmt_addi;
+  struct { /*  */
+    UINT f_mask;
+    UINT f_rd;
+    UINT f_rs;
+    UINT f_rt;
+  } sfmt_mrgb;
+  struct { /*  */
+    UINT f_maskl;
+    UINT f_rd;
+    UINT f_rs;
+    UINT f_rt;
+    UINT f_shamt;
+  } sfmt_ram;
+#if WITH_SCACHE_PBB
+  /* Writeback handler.  */
+  struct {
+    /* Pointer to argbuf entry for insn whose results need writing back.  */
+    const struct argbuf *abuf;
+  } write;
+  /* x-before handler */
+  struct {
+    /*const SCACHE *insns[MAX_PARALLEL_INSNS];*/
+    int first_p;
+  } before;
+  /* x-after handler */
+  struct {
+    int empty;
+  } after;
+  /* This entry is used to terminate each pbb.  */
+  struct {
+    /* Number of insns in pbb.  */
+    int insn_count;
+    /* Next pbb to execute.  */
+    SCACHE *next;
+    SCACHE *branch_target;
+  } chain;
+#endif
+};
+
+/* The ARGBUF struct.  */
+struct argbuf {
+  /* These are the baseclass definitions.  */
+  IADDR addr;
+  const IDESC *idesc;
+  char trace_p;
+  char profile_p;
+  /* ??? Temporary hack for skip insns.  */
+  char skip_count;
+  char unused;
+  /* cpu specific data follows */
+  union sem semantic;
+  int written;
+  union sem_fields fields;
+};
+
+/* A cached insn.
+
+   ??? SCACHE used to contain more than just argbuf.  We could delete the
+   type entirely and always just use ARGBUF, but for future concerns and as
+   a level of abstraction it is left in.  */
+
+struct scache {
+  struct argbuf argbuf;
+};
+
+/* Macros to simplify extraction, reading and semantic code.
+   These define and assign the local vars that contain the insn's fields.  */
+
+#define EXTRACT_IFMT_EMPTY_VARS \
+  unsigned int length;
+#define EXTRACT_IFMT_EMPTY_CODE \
+  length = 0; \
+
+#define EXTRACT_IFMT_ADD_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADD_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_ADDI_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_imm; \
+  unsigned int length;
+#define EXTRACT_IFMT_ADDI_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
+
+#define EXTRACT_IFMT_RAM_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_5; \
+  UINT f_maskl; \
+  unsigned int length;
+#define EXTRACT_IFMT_RAM_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_5 = EXTRACT_LSB0_UINT (insn, 32, 5, 1); \
+  f_maskl = EXTRACT_LSB0_UINT (insn, 32, 4, 5); \
+
+#define EXTRACT_IFMT_SLL_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_SLL_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_SLMV_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_SLMV_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_SLTI_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_imm; \
+  unsigned int length;
+#define EXTRACT_IFMT_SLTI_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
+
+#define EXTRACT_IFMT_BBI_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  SI f_offset; \
+  unsigned int length;
+#define EXTRACT_IFMT_BBI_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_offset = ((((EXTRACT_LSB0_INT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
+
+#define EXTRACT_IFMT_BBV_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  SI f_offset; \
+  unsigned int length;
+#define EXTRACT_IFMT_BBV_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_offset = ((((EXTRACT_LSB0_INT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
+
+#define EXTRACT_IFMT_BGEZ_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  SI f_offset; \
+  unsigned int length;
+#define EXTRACT_IFMT_BGEZ_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_offset = ((((EXTRACT_LSB0_INT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
+
+#define EXTRACT_IFMT_JALR_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_JALR_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_JR_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_JR_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_LB_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_imm; \
+  unsigned int length;
+#define EXTRACT_IFMT_LB_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
+
+#define EXTRACT_IFMT_LUI_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_imm; \
+  unsigned int length;
+#define EXTRACT_IFMT_LUI_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
+
+#define EXTRACT_IFMT_BREAK_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_BREAK_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_SYSCALL_VARS \
+  UINT f_opcode; \
+  UINT f_excode; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_SYSCALL_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_excode = EXTRACT_LSB0_UINT (insn, 32, 25, 20); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_ANDOUI_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_imm; \
+  unsigned int length;
+#define EXTRACT_IFMT_ANDOUI_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
+
+#define EXTRACT_IFMT_MRGB_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_10; \
+  UINT f_mask; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_MRGB_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_10 = EXTRACT_LSB0_UINT (insn, 32, 10, 1); \
+  f_mask = EXTRACT_LSB0_UINT (insn, 32, 9, 4); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_BC0F_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  SI f_offset; \
+  unsigned int length;
+#define EXTRACT_IFMT_BC0F_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_offset = ((((EXTRACT_LSB0_INT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
+
+#define EXTRACT_IFMT_CFC0_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_10_11; \
+  unsigned int length;
+#define EXTRACT_IFMT_CFC0_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_10_11 = EXTRACT_LSB0_UINT (insn, 32, 10, 11); \
+
+#define EXTRACT_IFMT_CHKHDR_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_CHKHDR_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_LULCK_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_rd; \
+  UINT f_shamt; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_LULCK_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
+  f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_PKRLR1_VARS \
+  UINT f_opcode; \
+  UINT f_rs; \
+  UINT f_rt; \
+  UINT f_count; \
+  UINT f_index; \
+  unsigned int length;
+#define EXTRACT_IFMT_PKRLR1_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
+  f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
+  f_count = EXTRACT_LSB0_UINT (insn, 32, 15, 7); \
+  f_index = EXTRACT_LSB0_UINT (insn, 32, 8, 9); \
+
+#define EXTRACT_IFMT_RFE_VARS \
+  UINT f_opcode; \
+  UINT f_25; \
+  UINT f_24_19; \
+  UINT f_func; \
+  unsigned int length;
+#define EXTRACT_IFMT_RFE_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_25 = EXTRACT_LSB0_UINT (insn, 32, 25, 1); \
+  f_24_19 = EXTRACT_LSB0_UINT (insn, 32, 24, 19); \
+  f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
+
+#define EXTRACT_IFMT_J_VARS \
+  UINT f_opcode; \
+  UINT f_rsrvd; \
+  USI f_jtarg; \
+  unsigned int length;
+#define EXTRACT_IFMT_J_CODE \
+  length = 4; \
+  f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
+  f_rsrvd = EXTRACT_LSB0_UINT (insn, 32, 25, 10); \
+  f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2)))); \
+
+/* Collection of various things for the trace handler to use.  */
+
+typedef struct trace_record {
+  IADDR pc;
+  /* FIXME:wip */
+} TRACE_RECORD;
+
+#endif /* CPU_IQ2000BF_H */