mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 19:08:50 +09:00
![Anatolij Gustschin](/assets/img/avatar_default.png)
This patch tries to get rid of some assembler warnings about changed .got2 section type while compiling x86 bios emulator code. Signed-off-by: Anatolij Gustschin <agust@denx.de>
202 lines
7.2 KiB
C
202 lines
7.2 KiB
C
/****************************************************************************
|
|
*
|
|
* Realmode X86 Emulator Library
|
|
*
|
|
* Copyright (C) 1996-1999 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 public specific functions.
|
|
* Any application linking against us should only
|
|
* include this header
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __X86EMU_X86EMU_H
|
|
#define __X86EMU_X86EMU_H
|
|
|
|
#include <asm/types.h>
|
|
#include <common.h>
|
|
#include <pci.h>
|
|
#include <asm/io.h>
|
|
#define X86API
|
|
#define X86APIP *
|
|
typedef u16 X86EMU_pioAddr;
|
|
|
|
#include "x86emu/regs.h"
|
|
|
|
/*---------------------- Macros and type definitions ----------------------*/
|
|
|
|
#if defined (CONFIG_ARM)
|
|
#define GAS_LINE_COMMENT "@"
|
|
#elif defined(CONFIG_MIPS) || defined(CONFIG_PPC)
|
|
#define GAS_LINE_COMMENT "#"
|
|
#elif defined (CONFIG_SH)
|
|
#define GAS_LINE_COMMENT "!"
|
|
#endif
|
|
|
|
#define GOT2_TYPE ".got2,\"aw\"\t"GAS_LINE_COMMENT
|
|
|
|
#pragma pack(1)
|
|
|
|
/****************************************************************************
|
|
REMARKS:
|
|
Data structure containing ponters to programmed I/O functions used by the
|
|
emulator. This is used so that the user program can hook all programmed
|
|
I/O for the emulator to handled as necessary by the user program. By
|
|
default the emulator contains simple functions that do not do access the
|
|
hardware in any way. To allow the emualtor access the hardware, you will
|
|
need to override the programmed I/O functions using the X86EMU_setupPioFuncs
|
|
function.
|
|
|
|
HEADER:
|
|
x86emu.h
|
|
|
|
MEMBERS:
|
|
inb - Function to read a byte from an I/O port
|
|
inw - Function to read a word from an I/O port
|
|
inl - Function to read a dword from an I/O port
|
|
outb - Function to write a byte to an I/O port
|
|
outw - Function to write a word to an I/O port
|
|
outl - Function to write a dword to an I/O port
|
|
****************************************************************************/
|
|
typedef struct {
|
|
u8(X86APIP inb) (X86EMU_pioAddr addr);
|
|
u16(X86APIP inw) (X86EMU_pioAddr addr);
|
|
u32(X86APIP inl) (X86EMU_pioAddr addr);
|
|
void (X86APIP outb) (X86EMU_pioAddr addr, u8 val);
|
|
void (X86APIP outw) (X86EMU_pioAddr addr, u16 val);
|
|
void (X86APIP outl) (X86EMU_pioAddr addr, u32 val);
|
|
} X86EMU_pioFuncs;
|
|
|
|
/****************************************************************************
|
|
REMARKS:
|
|
Data structure containing ponters to memory access functions used by the
|
|
emulator. This is used so that the user program can hook all memory
|
|
access functions as necessary for the emulator. By default the emulator
|
|
contains simple functions that only access the internal memory of the
|
|
emulator. If you need specialised functions to handle access to different
|
|
types of memory (ie: hardware framebuffer accesses and BIOS memory access
|
|
etc), you will need to override this using the X86EMU_setupMemFuncs
|
|
function.
|
|
|
|
HEADER:
|
|
x86emu.h
|
|
|
|
MEMBERS:
|
|
rdb - Function to read a byte from an address
|
|
rdw - Function to read a word from an address
|
|
rdl - Function to read a dword from an address
|
|
wrb - Function to write a byte to an address
|
|
wrw - Function to write a word to an address
|
|
wrl - Function to write a dword to an address
|
|
****************************************************************************/
|
|
typedef struct {
|
|
u8(X86APIP rdb) (u32 addr);
|
|
u16(X86APIP rdw) (u32 addr);
|
|
u32(X86APIP rdl) (u32 addr);
|
|
void (X86APIP wrb) (u32 addr, u8 val);
|
|
void (X86APIP wrw) (u32 addr, u16 val);
|
|
void (X86APIP wrl) (u32 addr, u32 val);
|
|
} X86EMU_memFuncs;
|
|
|
|
/****************************************************************************
|
|
Here are the default memory read and write
|
|
function in case they are needed as fallbacks.
|
|
***************************************************************************/
|
|
extern u8 X86API rdb(u32 addr);
|
|
extern u16 X86API rdw(u32 addr);
|
|
extern u32 X86API rdl(u32 addr);
|
|
extern void X86API wrb(u32 addr, u8 val);
|
|
extern void X86API wrw(u32 addr, u16 val);
|
|
extern void X86API wrl(u32 addr, u32 val);
|
|
|
|
#pragma pack()
|
|
|
|
/*--------------------- type definitions -----------------------------------*/
|
|
|
|
typedef void (X86APIP X86EMU_intrFuncs) (int num);
|
|
extern X86EMU_intrFuncs _X86EMU_intrTab[256];
|
|
|
|
/*-------------------------- Function Prototypes --------------------------*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" { /* Use "C" linkage when in C++ mode */
|
|
#endif
|
|
|
|
void X86EMU_setupMemFuncs(X86EMU_memFuncs * funcs);
|
|
void X86EMU_setupPioFuncs(X86EMU_pioFuncs * funcs);
|
|
void X86EMU_setupIntrFuncs(X86EMU_intrFuncs funcs[]);
|
|
void X86EMU_prepareForInt(int num);
|
|
|
|
/* decode.c */
|
|
|
|
void X86EMU_exec(void);
|
|
void X86EMU_halt_sys(void);
|
|
|
|
#ifdef DEBUG
|
|
#define HALT_SYS() \
|
|
printf("halt_sys: file %s, line %d\n", __FILE__, __LINE__), \
|
|
X86EMU_halt_sys()
|
|
#else
|
|
#define HALT_SYS() X86EMU_halt_sys()
|
|
#endif
|
|
|
|
/* Debug options */
|
|
|
|
#define DEBUG_DECODE_F 0x0001 /* print decoded instruction */
|
|
#define DEBUG_TRACE_F 0x0002 /* dump regs before/after execution */
|
|
#define DEBUG_STEP_F 0x0004
|
|
#define DEBUG_DISASSEMBLE_F 0x0008
|
|
#define DEBUG_BREAK_F 0x0010
|
|
#define DEBUG_SVC_F 0x0020
|
|
#define DEBUG_SAVE_CS_IP 0x0040
|
|
#define DEBUG_FS_F 0x0080
|
|
#define DEBUG_PROC_F 0x0100
|
|
#define DEBUG_SYSINT_F 0x0200 /* bios system interrupts. */
|
|
#define DEBUG_TRACECALL_F 0x0400
|
|
#define DEBUG_INSTRUMENT_F 0x0800
|
|
#define DEBUG_MEM_TRACE_F 0x1000
|
|
#define DEBUG_IO_TRACE_F 0x2000
|
|
#define DEBUG_TRACECALL_REGS_F 0x4000
|
|
#define DEBUG_DECODE_NOPRINT_F 0x8000
|
|
#define DEBUG_EXIT 0x10000
|
|
#define DEBUG_SYS_F (DEBUG_SVC_F|DEBUG_FS_F|DEBUG_PROC_F)
|
|
|
|
void X86EMU_trace_regs(void);
|
|
void X86EMU_trace_xregs(void);
|
|
void X86EMU_dump_memory(u16 seg, u16 off, u32 amt);
|
|
int X86EMU_trace_on(void);
|
|
int X86EMU_trace_off(void);
|
|
|
|
#ifdef __cplusplus
|
|
} /* End of "C" linkage for C++ */
|
|
#endif
|
|
#endif /* __X86EMU_X86EMU_H */
|