#ifndef LIBSYS_H
#define LIBSYS_H

// ---------------------------------------------------------
// Types
// ---------------------------------------------------------
#define INT8    char
#define INT16   short
#define INT32   long
#define UINT8   unsigned char
#define UINT16  unsigned short
#define UINT32  unsigned long
#define INT     int
#define UINT    unsigned int
#define FLOAT32 float
#define FLOAT64 double

#define	IS_ERROR(e)		((e & 0x80000000) == 0x80000000)

#define	SYS_GPIO0		0xA0000000
#define	SYS_GPIO1		0xA0000004
#define	SYS_LED_PORT	SYS_GPIO0
#define	SYS_USB_CTRL	SYS_GPIO1
#define	SYS_TIMER_USEC	0xA0000008
#define	SYS_TIMER_SEC	0xA000000C
#define	SYS_UART_DATA	0xA0010000
#define	SYS_UART_STAT	0xA0010004
#define	SYS_UART_BAUD	0xA0010008
#define	SYS_USB_DATA	0xA0020000
#define	SYS_USB_MBX		0xA0020004
#define	SYS_USB_ADDR	0xA0020008
#define	SYS_USB_STATUS	0xA002000C
#define	SYS_FLASH_IO	0xA4000000
#define	SYS_FLASH_MEM	0x00000000

// MIPS specific
UINT32 CP0_SR_read(void);
void CP0_SR_write(UINT32 val);
UINT32 CP0_CR_read(void);
void CP0_CR_write(UINT32 val);
UINT32 CP0_PRID_read(void);

// General
char readchar(void);
void writechar(char c);
int write(int file, char *ptr, int len);
int sputs(char *pStr);
void print_byte(char byte);
void print_word(int word);
void PrintBuffer8(UINT8 *pBuf, int nbpr, int len);
void memdump(UINT8 *pBuf, int print_offset_only, int num_bytes_per_row, int len);

#endif // LIBSYS_H