Subversion Repositories hf-risc

/* file:          hf_risc.h

 * description:   basic C type abstraction and HAL for HF-RISC

 * date:          09/2015

 * author:        Sergio Johann Filho <sergio.filho@pucrs.br>

 */

/* C type extensions */

typedef unsigned char                   uint8_t;

typedef char                            int8_t;

typedef unsigned short int              uint16_t;

typedef short int                       int16_t;

typedef unsigned int                    uint32_t;

typedef int                             int32_t;

typedef unsigned long long              uint64_t;

typedef long long                       int64_t;

typedef void                            (*funcptr)();

/* disable interrupts, return previous int status / enable interrupts */

#define _di                             interrupt_set(0)

#define _ei(S)                          interrupt_set(S)

/* memory address map */

#define ADDR_ROM_BASE                   0x00000000

#define ADDR_RAM_BASE                   0x40000000

#define ADDR_RESERVED_BASE              0x80000000

/* peripheral addresses and irq lines */

#define PERIPHERALS_BASE                0xf0000000

#define IRQ_VECTOR                      (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x000))

#define IRQ_CAUSE                       (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x010))

#define IRQ_MASK                        (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x020))

#define IRQ_STATUS                      (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x030))

#define IRQ_EPC                         (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x040))

#define COUNTER                         (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x050))

#define COMPARE                         (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x060))

#define COMPARE2                        (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x070))

#define EXTIO_IN                        (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x080))

#define EXTIO_OUT                       (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x090))

#define EXTIO_DIR                       (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x0a0))

#define DEBUG_ADDR                      (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x0d0))

#define UART                            (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x0e0))

#define UART_DIVISOR                    (*(volatile uint32_t *)(PERIPHERALS_BASE + 0x0f0))

#define IRQ_COUNTER                     0x00000001

#define IRQ_COUNTER_NOT                 0x00000002

#define IRQ_COUNTER2                    0x00000004

#define IRQ_COUNTER2_NOT                0x00000008

#define IRQ_COMPARE                     0x00000010

#define IRQ_COMPARE2                    0x00000020

#define IRQ_UART_READ_AVAILABLE         0x00000040

#define IRQ_UART_WRITE_AVAILABLE        0x00000080

#define EXT_IRQ0                        0x00010000

#define EXT_IRQ1                        0x00020000

#define EXT_IRQ2                        0x00040000

#define EXT_IRQ3                        0x00080000

#define EXT_IRQ4                        0x00100000

#define EXT_IRQ5                        0x00200000

#define EXT_IRQ6                        0x00400000

#define EXT_IRQ7                        0x00800000

#define EXT_IRQ0_NOT                    0x01000000

#define EXT_IRQ1_NOT                    0x02000000

#define EXT_IRQ2_NOT                    0x04000000

#define EXT_IRQ3_NOT                    0x08000000

#define EXT_IRQ4_NOT                    0x10000000

#define EXT_IRQ5_NOT                    0x20000000

#define EXT_IRQ6_NOT                    0x40000000

#define EXT_IRQ7_NOT                    0x80000000

#define PERIPHERALS_BASE_EXT            0xf8000000

#define XTEA_BASE                       0xfa000000

#define XTEA_CONTROL                    (*(volatile uint32_t *)(XTEA_BASE + 0x000))

#define XTEA_KEY0                       (*(volatile uint32_t *)(XTEA_BASE + 0x010))

#define XTEA_KEY1                       (*(volatile uint32_t *)(XTEA_BASE + 0x020))

#define XTEA_KEY2                       (*(volatile uint32_t *)(XTEA_BASE + 0x030))

#define XTEA_KEY3                       (*(volatile uint32_t *)(XTEA_BASE + 0x040))

#define XTEA_IN0                        (*(volatile uint32_t *)(XTEA_BASE + 0x050))

#define XTEA_IN1                        (*(volatile uint32_t *)(XTEA_BASE + 0x060))

#define XTEA_OUT0                       (*(volatile uint32_t *)(XTEA_BASE + 0x070))

#define XTEA_OUT1                       (*(volatile uint32_t *)(XTEA_BASE + 0x080))

#include <libc.h>