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/*
* 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)
/* VFP/NEON register count for FPU context */
#ifndef VFP_DATA_NR
#define VFP_DATA_NR 64 /* 32 double-precision registers = 64 words */
#endif
#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__*/
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