103 lines
1.9 KiB
C
103 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2006-2020, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
*/
|
|
|
|
#ifndef CPUPORT_H__
|
|
#define CPUPORT_H__
|
|
|
|
#include <rtcompiler.h>
|
|
|
|
/* the exception stack without VFP registers */
|
|
struct rt_hw_exp_stack
|
|
{
|
|
unsigned long r0;
|
|
unsigned long r1;
|
|
unsigned long r2;
|
|
unsigned long r3;
|
|
unsigned long r4;
|
|
unsigned long r5;
|
|
unsigned long r6;
|
|
unsigned long r7;
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long r10;
|
|
unsigned long fp;
|
|
unsigned long ip;
|
|
unsigned long sp;
|
|
unsigned long lr;
|
|
unsigned long pc;
|
|
unsigned long cpsr;
|
|
};
|
|
|
|
struct rt_hw_stack
|
|
{
|
|
unsigned long cpsr;
|
|
unsigned long r0;
|
|
unsigned long r1;
|
|
unsigned long r2;
|
|
unsigned long r3;
|
|
unsigned long r4;
|
|
unsigned long r5;
|
|
unsigned long r6;
|
|
unsigned long r7;
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long r10;
|
|
unsigned long fp;
|
|
unsigned long ip;
|
|
unsigned long lr;
|
|
unsigned long pc;
|
|
};
|
|
|
|
#define USERMODE 0x10
|
|
#define FIQMODE 0x11
|
|
#define IRQMODE 0x12
|
|
#define SVCMODE 0x13
|
|
#define MONITORMODE 0x16
|
|
#define ABORTMODE 0x17
|
|
#define HYPMODE 0x1b
|
|
#define UNDEFMODE 0x1b
|
|
#define MODEMASK 0x1f
|
|
#define NOINT 0xc0
|
|
|
|
#define T_Bit (1<<5)
|
|
#define F_Bit (1<<6)
|
|
#define I_Bit (1<<7)
|
|
#define A_Bit (1<<8)
|
|
#define E_Bit (1<<9)
|
|
#define J_Bit (1<<24)
|
|
|
|
#ifdef RT_USING_SMP
|
|
typedef union {
|
|
unsigned long slock;
|
|
struct __arch_tickets {
|
|
unsigned short owner;
|
|
unsigned short next;
|
|
} tickets;
|
|
} rt_hw_spinlock_t;
|
|
#endif
|
|
|
|
rt_inline void rt_hw_isb(void)
|
|
{
|
|
__asm volatile ("isb":::"memory");
|
|
}
|
|
|
|
rt_inline void rt_hw_dmb(void)
|
|
{
|
|
__asm volatile ("dmb":::"memory");
|
|
}
|
|
|
|
rt_inline void rt_hw_dsb(void)
|
|
{
|
|
__asm volatile ("dsb":::"memory");
|
|
}
|
|
|
|
void _thread_start(void);
|
|
|
|
#endif /*CPUPORT_H__*/
|