--- /dev/null
+/****************************************************************************
+*
+* Realmode X86 Emulator Library
+*
+* Copyright (C) 1991-2004 SciTech Software, Inc.
+* Copyright (C) David Mosberger-Tang
+* Copyright (C) 1999 Egbert Eich
+*
+* ========================================================================
+*
+* Permission to use, copy, modify, distribute, and sell this software and
+* its documentation for any purpose is hereby granted without fee,
+* provided that the above copyright notice appear in all copies and that
+* both that copyright notice and this permission notice appear in
+* supporting documentation, and that the name of the authors not be used
+* in advertising or publicity pertaining to distribution of the software
+* without specific, written prior permission. The authors makes no
+* representations about the suitability of this software for any purpose.
+* It is provided "as is" without express or implied warranty.
+*
+* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+* PERFORMANCE OF THIS SOFTWARE.
+*
+* ========================================================================
+*
+* Language: ANSI C
+* Environment: Any
+* Developer: Kendall Bennett
+*
+* Description: Header file for debug definitions.
+*
+****************************************************************************/
+
+#ifndef __X86EMU_DEBUG_H
+#define __X86EMU_DEBUG_H
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+/* checks to be enabled for "runtime" */
+
+#define CHECK_IP_FETCH_F 0x1
+#define CHECK_SP_ACCESS_F 0x2
+#define CHECK_MEM_ACCESS_F 0x4 /*using regular linear pointer */
+#define CHECK_DATA_ACCESS_F 0x8 /*using segment:offset */
+
+#ifdef DEBUG
+# define CHECK_IP_FETCH() (M.x86.check & CHECK_IP_FETCH_F)
+# define CHECK_SP_ACCESS() (M.x86.check & CHECK_SP_ACCESS_F)
+# define CHECK_MEM_ACCESS() (M.x86.check & CHECK_MEM_ACCESS_F)
+# define CHECK_DATA_ACCESS() (M.x86.check & CHECK_DATA_ACCESS_F)
+#else
+# define CHECK_IP_FETCH()
+# define CHECK_SP_ACCESS()
+# define CHECK_MEM_ACCESS()
+# define CHECK_DATA_ACCESS()
+#endif
+
+#ifdef DEBUG
+# define DEBUG_INSTRUMENT() (M.x86.debug & DEBUG_INSTRUMENT_F)
+# define DEBUG_DECODE() (M.x86.debug & DEBUG_DECODE_F)
+# define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F)
+# define DEBUG_STEP() (M.x86.debug & DEBUG_STEP_F)
+# define DEBUG_DISASSEMBLE() (M.x86.debug & DEBUG_DISASSEMBLE_F)
+# define DEBUG_BREAK() (M.x86.debug & DEBUG_BREAK_F)
+# define DEBUG_SVC() (M.x86.debug & DEBUG_SVC_F)
+# define DEBUG_SAVE_IP_CS() (M.x86.debug & DEBUG_SAVE_CS_IP)
+
+# define DEBUG_FS() (M.x86.debug & DEBUG_FS_F)
+# define DEBUG_PROC() (M.x86.debug & DEBUG_PROC_F)
+# define DEBUG_SYSINT() (M.x86.debug & DEBUG_SYSINT_F)
+# define DEBUG_TRACECALL() (M.x86.debug & DEBUG_TRACECALL_F)
+# define DEBUG_TRACECALLREGS() (M.x86.debug & DEBUG_TRACECALL_REGS_F)
+# define DEBUG_SYS() (M.x86.debug & DEBUG_SYS_F)
+# define DEBUG_MEM_TRACE() (M.x86.debug & DEBUG_MEM_TRACE_F)
+# define DEBUG_IO_TRACE() (M.x86.debug & DEBUG_IO_TRACE_F)
+# define DEBUG_DECODE_NOPRINT() (M.x86.debug & DEBUG_DECODE_NOPRINT_F)
+#else
+# define DEBUG_INSTRUMENT() 0
+# define DEBUG_DECODE() 0
+# define DEBUG_TRACE() 0
+# define DEBUG_STEP() 0
+# define DEBUG_DISASSEMBLE() 0
+# define DEBUG_BREAK() 0
+# define DEBUG_SVC() 0
+# define DEBUG_SAVE_IP_CS() 0
+# define DEBUG_FS() 0
+# define DEBUG_PROC() 0
+# define DEBUG_SYSINT() 0
+# define DEBUG_TRACECALL() 0
+# define DEBUG_TRACECALLREGS() 0
+# define DEBUG_SYS() 0
+# define DEBUG_MEM_TRACE() 0
+# define DEBUG_IO_TRACE() 0
+# define DEBUG_DECODE_NOPRINT() 0
+#endif
+
+#ifdef DEBUG
+
+# define DECODE_PRINTF(x) if (DEBUG_DECODE()) \
+ x86emu_decode_printf(x)
+# define DECODE_PRINTF2(x,y) if (DEBUG_DECODE()) \
+ x86emu_decode_printf2(x,y)
+
+/*
+ * The following allow us to look at the bytes of an instruction. The
+ * first INCR_INSTRN_LEN, is called everytime bytes are consumed in
+ * the decoding process. The SAVE_IP_CS is called initially when the
+ * major opcode of the instruction is accessed.
+ */
+#define INC_DECODED_INST_LEN(x) \
+ if (DEBUG_DECODE()) \
+ x86emu_inc_decoded_inst_len(x)
+
+#define SAVE_IP_CS(x,y) \
+ if (DEBUG_DECODE() | DEBUG_TRACECALL() | DEBUG_BREAK() \
+ | DEBUG_IO_TRACE() | DEBUG_SAVE_IP_CS()) { \
+ M.x86.saved_cs = x; \
+ M.x86.saved_ip = y; \
+ }
+#else
+# define INC_DECODED_INST_LEN(x)
+# define DECODE_PRINTF(x)
+# define DECODE_PRINTF2(x,y)
+# define SAVE_IP_CS(x,y)
+#endif
+
+#ifdef DEBUG
+#define TRACE_REGS() \
+ if (DEBUG_DISASSEMBLE()) { \
+ x86emu_just_disassemble(); \
+ goto EndOfTheInstructionProcedure; \
+ } \
+ if (DEBUG_TRACE() || DEBUG_DECODE()) X86EMU_trace_regs()
+#else
+# define TRACE_REGS()
+#endif
+
+#ifdef DEBUG
+# define SINGLE_STEP() if (DEBUG_STEP()) x86emu_single_step()
+#else
+# define SINGLE_STEP()
+#endif
+
+#define TRACE_AND_STEP() \
+ TRACE_REGS(); \
+ SINGLE_STEP()
+
+#ifdef DEBUG
+# define START_OF_INSTR()
+# define END_OF_INSTR() EndOfTheInstructionProcedure: x86emu_end_instr();
+# define END_OF_INSTR_NO_TRACE() x86emu_end_instr();
+#else
+# define START_OF_INSTR()
+# define END_OF_INSTR()
+# define END_OF_INSTR_NO_TRACE()
+#endif
+
+#ifdef DEBUG
+# define CALL_TRACE(u,v,w,x,s) \
+ if (DEBUG_TRACECALLREGS()) \
+ x86emu_dump_regs(); \
+ if (DEBUG_TRACECALL()) \
+ printk("%04x:%04x: CALL %s%04x:%04x\n", u , v, s, w, x);
+# define RETURN_TRACE(n,u,v) \
+ if (DEBUG_TRACECALLREGS()) \
+ x86emu_dump_regs(); \
+ if (DEBUG_TRACECALL()) \
+ printk("%04x:%04x: %s\n",u,v,n);
+#else
+# define CALL_TRACE(u,v,w,x,s)
+# define RETURN_TRACE(n,u,v)
+#endif
+
+#ifdef DEBUG
+#define DB(x) x
+#else
+#define DB(x)
+#endif
+
+/*-------------------------- Function Prototypes --------------------------*/
+
+#ifdef __cplusplus
+extern "C" { /* Use "C" linkage when in C++ mode */
+#endif
+
+ extern void x86emu_inc_decoded_inst_len(int x);
+ extern void x86emu_decode_printf(char *x);
+ extern void x86emu_decode_printf2(char *x, int y);
+ extern void x86emu_just_disassemble(void);
+ extern void x86emu_single_step(void);
+ extern void x86emu_end_instr(void);
+ extern void x86emu_dump_regs(void);
+ extern void x86emu_dump_xregs(void);
+ extern void x86emu_print_int_vect(u16 iv);
+ extern void x86emu_instrument_instruction(void);
+ extern void x86emu_check_ip_access(void);
+ extern void x86emu_check_sp_access(void);
+ extern void x86emu_check_mem_access(u32 p);
+ extern void x86emu_check_data_access(uint s, uint o);
+
+#ifdef __cplusplus
+} /* End of "C" linkage for C++ */
+#endif
+#endif /* __X86EMU_DEBUG_H */
projects / karo-tx-uboot.git / blobdiff