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https://github.com/RT-Thread/rt-thread.git
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删除依赖TI的KeyStone_common.c文件
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@@ -11,7 +11,7 @@
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#include "board.h"
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#include "interrupt.h"
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#include "drv_timer.h"
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#include "KeyStone_common.h"
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#include "common.h"
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#include <rtthread.h>
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@@ -21,7 +21,7 @@
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void rt_hw_board_init(void)
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{
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// initial CPU core
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KeyStone_common_CPU_init();
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keystone_cpu_init();
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// initial interrupt controller
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rt_hw_interrupt_init();
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@@ -0,0 +1,110 @@
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/*
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* Copyright (c) 2021, Shenzhen Academy of Aerospace Technology
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-11-16 Dystopia the first version
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*/
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#include <c6x.h>
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#include <cslr_cgem.h>
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#include <cslr_device.h>
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#include <cslr_bootcfg.h>
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#include <cslr_tmr.h>
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#include <csl_tmr.h>
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/* DSP core clock speed in Hz */
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#define DSP_CORE_SPEED_HZ 1000000000
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extern CSL_CgemRegs * gpCGEM_regs;
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extern CSL_BootcfgRegs * gpBootCfgRegs;
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/*----------------------Timer plus registers definition----------------*/
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typedef struct {
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volatile unsigned int PID12;
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volatile unsigned int EMUMGT_CLKSPD;
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volatile unsigned int GPINT_EN;
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volatile unsigned int GPDIR_DAT;
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volatile unsigned int CNTLO;
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volatile unsigned int CNTHI;
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volatile unsigned int PRDLO;
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volatile unsigned int PRDHI;
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volatile unsigned int TCR;
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volatile unsigned int TGCR;
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volatile unsigned int WDTCR;
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volatile unsigned int TLGC;
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volatile unsigned int TLMR;
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volatile unsigned int RELLO;
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volatile unsigned int RELHI;
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volatile unsigned int CAPLO;
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volatile unsigned int CAPHI;
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volatile unsigned int INTCTL_STAT;
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volatile unsigned char RSVD0[24];
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volatile unsigned int TIMERLO_COMPARE_REG[8];
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volatile unsigned char RSVD1[32];
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} CSL_TmrPlusRegs;
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#define TMR_TCR_READRSTMODE_HI_SHIFT (26)
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#define TMR_TCR_CAPEVTMODE_LO_SHIFT (12)
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#define TMR_TCR_CAPMODE_LO_SHIFT (11)
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#define TMR_TCR_READRSTMODE_LO_SHIFT (10)
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#define TMR_TCR_READRSTMODE_HI_MASK (1<<26)
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#define TMR_TCR_CAPEVTMODE_LO_MASK (3<<12)
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#define TMR_TCR_CAPMODE_LO_MASK (1<<11)
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#define TMR_TCR_READRSTMODE_LO_MASK (1<<10)
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#define TMR_TGCR_PLUSEN_SHIFT 4
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#define TMR_TGCR_PLUSEN_MASK (1<<4)
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#define TMR_INTCTLSTAT_EN_ALL_CLR_ALL 0x000F000F
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#define CSL_TMR_WDTCR_WDKEY_CMD1 (0x0000A5C6u)
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#define CSL_TMR_WDTCR_WDKEY_CMD2 (0x0000DA7Eu)
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#define CSL_TMR_ENAMODE_CONT_RELOAD 3
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extern CSL_TmrPlusRegs * gpTimer0Regs;
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extern CSL_TmrPlusRegs * gpTimer1Regs;
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extern CSL_TmrPlusRegs * gpTimer2Regs;
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extern CSL_TmrPlusRegs * gpTimer3Regs;
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extern CSL_TmrPlusRegs * gpTimer4Regs;
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extern CSL_TmrPlusRegs * gpTimer5Regs;
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extern CSL_TmrPlusRegs * gpTimer6Regs;
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extern CSL_TmrPlusRegs * gpTimer7Regs;
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extern CSL_TmrPlusRegs * gpTimer8Regs;
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extern CSL_TmrPlusRegs * gpTimerRegs[];
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typedef enum
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{
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TIMER_ONE_SHOT_PULSE = 0, /*generate one shot pulse with timer*/
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TIMER_PERIODIC_PULSE, /*generate periodic pulse with timer*/
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TIMER_PERIODIC_CLOCK, /*generate periodic clock with timer*/
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/*generate periodic square wave with period reload feature, the difference
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between wave and clock is the duty cycle of clock is always 50%*/
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TIMER_PERIODIC_WAVE,
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TIMER_WATCH_DOG /*configure timer as watch dog*/
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}TTimerMode;
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typedef struct {
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int timer_num; /*select one timer*/
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TTimerMode timerMode; /*select function of the timer*/
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unsigned long long period; /*in the unit of DSP core clock/6*/
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unsigned long long reload_period; /*the reload value of period*/
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int pulseWidth; /*pulse width between 0~3*/
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}Timer64_Config;
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/* Reset a 64-bit timer */
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extern void reset_timer(int timer_num);
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/* Initailize a 64-bit timer */
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extern void timer64_init(Timer64_Config * tmrCfg);
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extern void keystone_cpu_init(void);
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#endif /* __COMMON_H__ */
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@@ -9,7 +9,8 @@
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*/
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#include "drv_timer.h"
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#include "KeyStone_common.h"
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#include "interrupt.h"
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#include "common.h"
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#include <rthw.h>
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#include <rtthread.h>
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@@ -37,7 +38,7 @@ void rt_hw_system_timer_init(void)
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// initial system timer interrupt, map local timer interrupt to INT14
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gpCGEM_regs->INTMUX3 = (CSL_GEM_TINTLN << CSL_CGEM_INTMUX3_INTSEL14_SHIFT);
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// enable CPU INT14
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CPU_interrupt_enable(1 << 14);
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rt_hw_interrupt_umask(1 << 14);
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return ;
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}
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@@ -57,9 +58,9 @@ void rt_hw_system_timer_start(void)
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// configure the timer to generate clocks and interrupts
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tmrCfg.timer_num = DNUM;
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tmrCfg.timerMode = TIMER_PERIODIC_CLOCK;
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tmrCfg.period = (unsigned long long) RT_TICK_PER_SECOND * gDSP_Core_Speed_Hz / 6000;
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tmrCfg.period = (unsigned long long) RT_TICK_PER_SECOND * DSP_CORE_SPEED_HZ / 6000;
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tmrCfg.reload_period = 0;
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// initial timer
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Timer64_Init(&tmrCfg);
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timer64_init(&tmrCfg);
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}
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@@ -11,6 +11,9 @@
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#ifndef __SYS_TIMER_H__
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#define __SYS_TIMER_H__
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#include <c6x.h>
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#include <tistdtypes.h>
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void rt_hw_system_timer_init(void);
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void rt_hw_system_timer_start(void);
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@@ -11,15 +11,25 @@
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#ifndef __C66XX_H__
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#define __C66XX_H__
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extern cregister volatile unsigned int IERR; /* Internal Exception Report Register */
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extern cregister volatile unsigned int ECR; /* Exception Clear Register */
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extern cregister volatile unsigned int EFR; /* Exception Flag Register */
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extern cregister volatile unsigned int TSR; /* Task State Register */
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extern cregister volatile unsigned int ITSR; /* Interrupt Task State Register */
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extern cregister volatile unsigned int NTSR; /* NMI/exception Task State Register */
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extern cregister volatile unsigned int TSCL; /* Time Stamp Counter Register - Low Half */
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extern cregister volatile unsigned int TSCH; /* Time Stamp Counter Register - High Half */
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extern cregister volatile unsigned int DNUM; /* Core number */
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extern __cregister volatile unsigned int IERR; /* Internal Exception Report Register */
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extern __cregister volatile unsigned int ECR; /* Exception Clear Register */
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extern __cregister volatile unsigned int EFR; /* Exception Flag Register */
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extern __cregister volatile unsigned int TSR; /* Task State Register */
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extern __cregister volatile unsigned int ITSR; /* Interrupt Task State Register */
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extern __cregister volatile unsigned int NTSR; /* NMI/exception Task State Register */
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extern __cregister volatile unsigned int TSCL; /* Time Stamp Counter Register - Low Half */
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extern __cregister volatile unsigned int TSCH; /* Time Stamp Counter Register - High Half */
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extern __cregister volatile unsigned int DNUM; /* Core number */
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extern __cregister volatile unsigned int AMR;
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extern __cregister volatile unsigned int CSR;
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extern __cregister volatile unsigned int IFR;
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extern __cregister volatile unsigned int ISR;
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extern __cregister volatile unsigned int ICR;
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extern __cregister volatile unsigned int IER;
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extern __cregister volatile unsigned int ISTP;
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extern __cregister volatile unsigned int IRP;
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extern __cregister volatile unsigned int NRP;
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#ifdef _BIG_ENDIAN
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#define RT_REG_PAIR(odd, even) unsigned long odd; unsigned long even
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@@ -60,6 +60,11 @@ void rt_hw_interrupt_umask(int vector)
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{
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return;
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}
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ICR = vector;
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IER |= vector;
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//enable GIE
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TSR = TSR | 1;
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}
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/**
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