sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 212 insertions, 0 deletions

diff --git a/sim/ucsim/xa.src/glob.h b/sim/ucsim/xa.src/glob.h
new file mode 100644
index 0000000..b85206e
--- /dev/null
+++ b/sim/ucsim/xa.src/glob.h
@@ -0,0 +1,212 @@
+/*
+ * Simulator of microcontrollers (glob.h)
+ *
+ * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
+ *
+ * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
+ * Other contributors include:
+ *   Karl Bongers karl@turbobit.com,
+ *   Johan Knol johan.knol@iduna.nl
+ *
+ */
+
+/* This file is part of microcontroller simulator: ucsim.
+
+UCSIM 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 of the License, or
+(at your option) any later version.
+
+UCSIM 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 UCSIM; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+/*@1@*/
+
+#ifndef GLOB_HEADER
+#define GLOB_HEADER
+
+#include "stypes.h"
+
+/* this needs to match char *op_mnemonic_str[] definition in glob.cc */
+enum {
+BAD_OPCODE=0,
+ADD,
+ADDC,
+ADDS,
+AND,
+ANL,
+ASL,
+ASR,
+BCC,
+BCS,
+BEQ,
+BG,
+BGE,
+BGT,
+BKPT,
+BL,
+BLE,
+BLT,
+BMI,
+BNE,
+BNV,
+BOV,
+BPL,
+BR,
+CALL,
+CJNE,
+CLR,
+CMP,
+CPL,
+DA,
+DIV_w,
+DIV_d,
+DIVU_b,
+DIVU_w,
+DIVU_d,
+DJNZ,
+FCALL,
+FJMP,
+JB,
+JBC,
+JMP,
+JNB,
+JNZ,
+JZ,
+LEA,
+LSR,
+MOV,
+MOVC,
+MOVS,
+MOVX,
+MUL_w,
+MULU_b,
+MULU_w,
+NEG,
+NOP,
+NORM,
+OR,
+ORL,
+POP,
+POPU,
+PUSH,
+PUSHU,
+RESET,
+RET,
+RETI,
+RL,
+RLC,
+RR,
+RRC,
+SETB,
+SEXT,
+SUB,
+SUBB,
+TRAP,
+XCH,
+XOR,
+};
+
+extern const char *op_mnemonic_str[];
+
+/* this classifies the operands and is used in the dissassembly
+   to print the operands.  Its also used in the simulation to characterize
+   the op-code function.
+ */   
+enum op_operands {
+   // the repeating parameter encoding for ADD, ADDC, SUB, SUBB, AND, XOR, ...
+  REG_REG         ,
+  REG_IREG        ,
+  IREG_REG        ,
+  REG_IREGOFF8    ,
+  IREGOFF8_REG    ,
+  REG_IREGOFF16   ,
+  IREGOFF16_REG   ,
+  REG_IREGINC     ,
+  IREGINC_REG     ,
+  DIRECT_REG      ,
+  REG_DIRECT      ,
+  REG_DATA8       ,
+  REG_DATA16      ,
+  IREG_DATA8      ,
+  IREG_DATA16     ,
+  IREGINC_DATA8   ,
+  IREGINC_DATA16  ,
+  IREGOFF8_DATA8  ,
+  IREGOFF8_DATA16 ,
+  IREGOFF16_DATA8 ,
+  IREGOFF16_DATA16,
+  DIRECT_DATA8    ,
+  DIRECT_DATA16   ,
+
+// odd-ball ones
+  NO_OPERANDS,  // for NOP
+  CY_BIT,
+  BIT_CY,
+  CY_NOTBIT,
+  DATA4,
+  REG_DATA4,
+  REG_DATA5,
+  IREG_DATA4,
+  IREGINC_DATA4,
+  IREGOFF8_DATA4,
+  IREGOFF16_DATA4,
+  DIRECT_DATA4,
+
+  REG,
+  IREG,
+  BIT_ALONE,
+  DIRECT,
+  DIRECT_DIRECT,
+  RLIST,
+  ADDR24,
+  BIT_REL8,
+  REG_REL8,
+  DIRECT_REL8,
+  REG_REGOFF8,
+  REG_REGOFF16,
+
+  REG_USP,
+  USP_REG,
+
+  REL8,
+  REL16,
+
+  REG_DIRECT_REL8,
+  REG_DATA8_REL8,
+  REG_DATA16_REL8,
+  IREG_DATA8_REL8,
+  IREG_DATA16_REL8,
+
+  A_APLUSDPTR,
+  A_APLUSPC,
+  A_PLUSDPTR,
+  IIREG
+};
+
+// table of dissassembled instructions
+struct xa_dis_entry
+{
+  uint is1byte; /* only grab 1 byte for table lookup(most are 2 bytes) */
+  uint code;    /* bits in opcode used to match table entry(with mask) */
+  uint mask;    /* mask used on .code to match up a common opcode */
+  char branch;  /* used by main app to implement "next" around calls */
+  uchar length; /* total length of opcode, used by dissasembler and main app */
+  int mnemonic; /* type of opcode(ADD, ADDC...) */
+  int operands; /* unique classification of operands: Rd,Rs = REG_REG,... */
+};
+
+extern struct dis_entry glob_disass_xa[];
+
+extern struct xa_dis_entry disass_xa[];
+
+
+#endif
+
+/* End of xa.src/glob.h */