AC707N/SDK/interface/driver/cpu/br35/asm/cpu.h

#ifndef ASM_CPU_H
#define ASM_CPU_H


#include "br35.h"
#include "csfr.h"
#include "cache.h"
#ifndef __ASSEMBLY__

#if ((!defined __cplusplus) && (!defined BOOL_DEFINE_CONFLICT))
typedef unsigned char           bool;
#endif
typedef unsigned char   		u8, BOOL;
typedef char            		s8;
typedef unsigned short  		u16;
typedef signed short    		s16;
typedef unsigned int    		u32;
typedef signed int      		s32;
typedef unsigned long long 		u64;
typedef u32						FOURCC;
typedef long long               s64;
typedef unsigned long long      u64;


#endif


#define ___trig        __asm__ volatile ("trigger")


#ifndef BIG_ENDIAN
#define BIG_ENDIAN 			0x3021
#endif
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 		0x4576
#endif
#define CPU_ENDIAN 			LITTLE_ENDIAN


#define CPU_CORE_NUM 1

#define CONFIG_SPINLOCK_ENABLE 0

#define OS_CORE_AFFINITY_ENABLE     CONFIG_OS_AFFINITY_ENABLE //app_cfg.mk中定义, Modify Me: 0: 自由分配, 1: 固定核

extern const int CONFIG_CPU_UNMASK_IRQ_ENABLE;
///屏蔽的优先级, < N的优先级不可以响应
#define CPU_IRQ_IPMASK_LEVEL   				6

#define  CPU_TASK_CLR(a)
#define  CPU_TASK_SW(a) 		\
    do { \
        q32DSP(a)->ILAT_SET |= BIT(3-a); \
    } while (0)


#define  CPU_INT_NESTING 	2

#define CORE_IDLE_TICK_TIMER_PERIOD         4000 //10 ~ 16000 ms


#ifndef __ASSEMBLY__

#if CPU_CORE_NUM > 1
__attribute__((always_inline))
static int current_cpu_id()
{
    unsigned id;
    asm volatile("%0 = cnum" : "=r"(id) ::);
    return id ;
}

__attribute__((always_inline))
static int core_num(void)
{
    u32 num;
    asm volatile("%0 = cnum" : "=r"(num) :);
    return num;
}

#else
static inline int current_cpu_id()
{
    return 0;
}

static inline int core_num(void)
{
    return 0;
}
#endif

static inline int cpu_in_irq()
{
    int flag;
    __asm__ volatile("%0 = icfg" : "=r"(flag));
    return flag & 0xff;
}

extern int __cpu_irq_disabled();
static inline int cpu_irq_disabled()
{
    int flag;
    int ret;

    if (CONFIG_CPU_UNMASK_IRQ_ENABLE) {
        return __cpu_irq_disabled();
    } else {
        __asm__ volatile("%0 = icfg" : "=r"(flag));
        ret = ((flag & 0x300) != 0x300);
    }

    return ret;
}

#if 0
static inline int data_sat_s16(int ind)
{
    if (ind > 32767) {
        ind = 32767;
    } else if (ind < -32768) {
        ind = -32768;
    }
    return ind;
}

#else
static inline int data_sat_s16(int ind)
{
    __asm__ volatile(
        " %0 = sat16(%0)(s)  \t\n"
        : "=&r"(ind)
        : "0"(ind)
        :);
    return ind;
}
#endif


static inline u32 reverse_u32(u32 data32)
{
#if 0
    u8 *dataptr = (u8 *)(&data32);
    data32 = (((u32)dataptr[0] << 24) | ((u32)dataptr[1] << 16) | ((u32)dataptr[2] << 8) | (u32)dataptr[3]);
#else
    __asm__ volatile("%0 = rev8(%0) \t\n" : "=&r"(data32) : "0"(data32) :);
#endif
    return data32;
}

static inline u32 reverse_u16(u16 data16)
{
    u32 retv;
#if 0
    u8 *dataptr = (u8 *)(&data16);
    retv = (((u32)dataptr[0] << 8) | ((u32)dataptr[1]));
#else
    retv = ((u32)data16) << 16;
    __asm__ volatile("%0 = rev8(%0) \t\n" : "=&r"(retv) : "0"(retv) :);
#endif
    return retv;
}

static inline u32 rand32()
{
    return JL_RAND->R64L;
}

#define __asm_sine(s64, precision) \
    ({ \
        u64 ret; \
        u8 sel = 0; \
        __asm__ volatile ("%0 = copex(%1) (%2)" : "=r"(ret) : "r"(s64), "i"(sel)); \
        ret = ret>>32; \
        ret;\
    })

void p33_soft_reset(void);
static inline void cpu_reset(void)
{
    // JL_CLOCK->PWR_CON |= (1 << 4);
    p33_soft_reset();
}

#define __asm_csync() \
    do { \
		asm volatile("csync;"); \
    } while (0)

#include "asm/irq.h"
#include "generic/printf.h"
#include "generic/log.h"


#define arch_atomic_read(v)  \
	({ \
        __asm_csync(); \
		(*(volatile int *)&(v)->counter); \
	 })

static inline void q32DSP_testset(u8 volatile *ptr)
{
    asm volatile(
        " 1:            \n\t "
        " testset b[%0] \n\t "
        " ifeq goto 1b  \n\t "
        :
        : "p"(ptr)
        : "memory"
    );
}

static inline void q32DSP_testclr(u8 volatile *ptr)
{
    asm volatile(
        " b[%0] = %1    \n\t "
        :
        : "p"(ptr), "r"(0)
        : "memory"
    );
}

#define arch_spin_lock(lock) \
	do { \
	q32DSP_testset(&lock->rwlock);\
	}while(0)

#define arch_spin_unlock(lock) \
	do{ \
	q32DSP_testclr(&lock->rwlock) ;\
	}while(0)



extern void local_irq_disable();
extern void local_irq_enable();

#define CPU_SR_ALLOC()  \
     // int flags

#define CPU_CRITICAL_ENTER()  \
     do { \
         local_irq_disable(); \
     }while(0)


#define CPU_CRITICAL_EXIT() \
     do { \
         local_irq_enable(); \
     }while(0)



extern void cpu_assert_debug();
extern const int config_asser;
#define ASSERT(a,...)   \
		do { \
			if(config_asser){\
				if(!(a)){ \
					printf("cpu %d file:%s, line:%d",current_cpu_id(), __FILE__, __LINE__); \
					printf("ASSERT-FAILD: "#a" "__VA_ARGS__); \
					cpu_assert_debug(); \
				} \
			}else {\
				if(!(a)){ \
            		cpu_reset(); \
				}\
			}\
		}while(0);



#endif //__ASSEMBLY__


#endif