swis.h

AT91所有开发板的资料 AT91所有开发板的资料

/* -*-C-*-
 *
 * $Revision: 1.2 $
 *   $Author: mechavar $
 *     $Date: 2000/05/01 19:37:08 $
 *
 * Copyright (c) 2000 ARM, INC.
 * All Rights Reserved.
 *
 *   Project: BootStrap Loader
 *
 *   
 */

#include "module.h"

#define I_Bit		0x80
#define F_Bit		0x40

#define User_Mode_Bits	0x0f
#define Mode_Bits	0x1f
#define SVC_Mode	0x13

#define Service_AppSpace	0x01
#define Service_SetEnv		0x02
#define Service_AppLoaded	0x03
#define Service_AppStart	0x04

#define SWI_WriteC		0x00
#define SWI_WriteHex		0x01
#define SWI_Write0		0x02
#define SWI_NewLine		0x03
#define SWI_ReadC		0x04
#define SWI_CLI			0x05
#define SWI_WriteDec		0x06
#define SWI_PrettyPrint		0x07
#define SWI_ReportError		0x08
#define SWI_FlashWrite		0x09
#define SWI_FlashErase		0x0a
#define SWI_ServiceCall		0x0b
#define SWI_SetEnv		0x0c
#define SWI_ReadLine		0x0e
#define SWI_GetEnv		0x10
#define SWI_Exit		0x11
#define SWI_EnterOS		0x16
#define SWI_GetErrno		0x60
#define	SWI_Clock		0x61
#define SWI_Time		0x63
#define SWI_Remove		0x64
#define SWI_Rename		0x65
#define SWI_Open		0x66
#define SWI_Close		0x68
#define SWI_Write		0x69
#define SWI_Read		0x6a
#define SWI_Seek		0x6b
#define SWI_Flen		0x6c
#define SWI_IsTTY		0x6e
#define SWI_TmpNam		0x6f
#define SWI_InstallHandler	0x70
#define SWI_GenerateError	0x71

extern void DoGo(void);
extern void DoGoS(void);
extern void Supervisor(void);
extern void UnkSWI(void);
extern void ErrorHandler(void);
extern void EnterOS(void);

typedef struct Env {
    char *command_line;
    unsigned himem;
} Env;

typedef struct SwiRegs {
    unsigned r[13];	/* R0 - R12 */
    unsigned cpsr;	/* spsr on entry to SWI */
    unsigned pc;	/* lr on entry to SWI */
} SwiRegs;

void	WriteC(int c);
int	ReadC(void);
void	Write0(char *s);
int	ReadLine(char *prompt, char *buffer, int maxlen);
int	ReadLineZ(char *buffer, int maxlen);
void	NewLine(void);
void	WriteHex(unsigned w);
void	FlashWrite(unsigned base, unsigned limit, char *source);
void	FlashErase(unsigned base, unsigned limit);
void	PrettyPrint(const char *fmt, ...);

CallBack CLI(char *s);
__value_in_regs ServiceBlock ServiceCall(int service, ...);
CallBack ReportError(unsigned errno, const char *fmt, ...);
CallBack ReportOK(void);
CallBack SetEnv(char *command_line, unsigned applimit);

__value_in_regs Env GetEnv(void);