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rt-thread-official
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修改格式

This commit is contained in:
Huang bo 2021-11-18 09:48:06 +08:00
parent 341e52d940
commit 4a2ce8bca5
4 changed files with 45 additions and 34 deletions
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8
bsp/ti-tms320c6678/driver/drv_timer.c
View File

@ -35,7 +35,7 @@ void rt_hw_systick_isr(void)
void rt_hw_system_timer_init(void)
{
// initial system timer interrupt, map local timer interrupt to INT14
gpCGEM_regs->INTMUX3=(CSL_GEM_TINTLN<<CSL_CGEM_INTMUX3_INTSEL14_SHIFT);
gpCGEM_regs->INTMUX3 = (CSL_GEM_TINTLN<<CSL_CGEM_INTMUX3_INTSEL14_SHIFT);
// enable CPU INT14
CPU_interrupt_enable(1<<14);
@ -55,10 +55,10 @@ void rt_hw_system_timer_start(void)
gpBootCfgRegs->TOUTSEL = (DNUM*2)<<CSL_BOOTCFG_TOUTSEL_TOUTSEL0_SHIFT;
// configure the timer to generate clocks and interrupts
tmrCfg.timer_num=DNUM;
tmrCfg.timerMode=TIMER_PERIODIC_CLOCK;
tmrCfg.timer_num = DNUM;
tmrCfg.timerMode = TIMER_PERIODIC_CLOCK;
tmrCfg.period = (unsigned long long) RT_TICK_PER_SECOND*gDSP_Core_Speed_Hz/6000;
tmrCfg.reload_period=0;
tmrCfg.reload_period = 0;
// initial timer
Timer64_Init(&tmrCfg);

7
libcpu/ti-dsp/c6x/interrupt.c
View File

@ -8,7 +8,6 @@
* 2021-11-16 Dystopia the first version
*/
#include "interrupt.h"
#include "c66xx.h"
#include "trap.h"
@ -46,7 +45,9 @@ void rt_hw_interrupt_init(void)
void rt_hw_interrupt_mask(int vector)
{
if (vector < 0 || vector >= MAX_HANDLERS)
{
return;
}
}
/**
@ -56,7 +57,9 @@ void rt_hw_interrupt_mask(int vector)
void rt_hw_interrupt_umask(int vector)
{
if (vector < 0 || vector >= MAX_HANDLERS)
{
return;
}
}
/**
@ -90,5 +93,7 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
void rt_hw_interrupt_clear(int vector)
{
if (vector < 0 || vector >= MAX_HANDLERS)
{
return;
}
}

28
libcpu/ti-dsp/c6x/trap.c
View File

@ -12,9 +12,8 @@
#include "c66xx.h"
#include <rthw.h>
#include <rtthread.h>
#include <rtdef.h>
#include <rtthread.h>
#define RT_SYS_STACK_SIZE 4096
@ -136,16 +135,18 @@ static struct rt_exception_info iexcept_table[10] = {
static int process_iexcept(struct rt_hw_exp_stack_register *regs)
{
unsigned int iexcept_report = get_iexcept();
unsigned int iexcept_num;
unsigned int iexcept_num = 0;
ack_exception(EXCEPT_TYPE_IXF);
while(iexcept_report) {
while(iexcept_report)
{
iexcept_num = __ffs(iexcept_report);
iexcept_report &= ~(1 << iexcept_num);
set_iexcept(iexcept_report);
if (*(unsigned int *)regs->pc == BKPT_OPCODE) {
if (*(unsigned int *)regs->pc == BKPT_OPCODE)
{
/* This is a breakpoint */
struct rt_exception_info bkpt_exception = { " - undefined instruction", ABORT_TYPE_UNDDEF, ABORT_BRKPT_ILL };
do_trap(&bkpt_exception, regs);
@ -300,10 +301,12 @@ static void process_except(struct rt_hw_exp_stack_register *regs)
{
int except_num;
int bank = 0;
int i;
int i = 0;
for (i = 0; i <= 3; i++) {
while (INTC_MEXPMASK[i]) {
for (i = 0; i <= 3; i++)
{
while (INTC_MEXPMASK[i])
{
__dint();
except_num = __ffs(INTC_MEXPMASK[i]);
INTC_MEXPMASK[i] &= ~(1 << except_num); /* ack the external exception */
@ -317,14 +320,13 @@ static void process_except(struct rt_hw_exp_stack_register *regs)
}
extern void hw_nmi_handler(struct rt_hw_exp_stack_register *regs);
/*
* Main exception processing
*/
int rt_hw_process_exception(struct rt_hw_exp_stack_register *regs)
{
int type;
int type_num;
int type = 0;
int type_num = 0;
int ie_num = 9; /* default is unknown exception */
while ((type = get_except_type()) != 0) {
@ -334,12 +336,16 @@ int rt_hw_process_exception(struct rt_hw_exp_stack_register *regs)
case EXCEPT_TYPE_NXF: /* NMI exception */
ack_exception(EXCEPT_TYPE_NXF); /* clear exception */
if (hw_nmi_handler != RT_NULL)
{
hw_nmi_handler(regs);
}
break;
case EXCEPT_TYPE_IXF: /* internal exception */
if (process_iexcept(regs))
{
return 1;
}
break;
case EXCEPT_TYPE_EXC: /* external exception */

36
libcpu/ti-dsp/c6x/trap.h
View File

@ -41,34 +41,34 @@
enum SYSTEM_TRAP_CODE
{
ABORT_BUS_ADDRERR = 0, // bus address error
ABORT_BUS_ACCERR, // bus access permission error
ABORT_OPCODE_ILL, // illegal opcode
ABORT_PRVREG_ILL, // privilege register
ABORT_PRVOPC_ILL, // privileged opcode
ABORT_ILLTRP_ILL, // illegal trap
ABORT_BRKPT_ILL, // handling breakpoints
ABORT_BUS_ADDRERR = 0, // bus address error
ABORT_BUS_ACCERR, // bus access permission error
ABORT_OPCODE_ILL, // illegal opcode
ABORT_PRVREG_ILL, // privilege register
ABORT_PRVOPC_ILL, // privileged opcode
ABORT_ILLTRP_ILL, // illegal trap
ABORT_BRKPT_ILL, // handling breakpoints
};
/*
* abort types
*/
#define ABORT_TYPE_BUS 0 // bus access abnormal
#define ABORT_TYPE_MAP 1 // page table mapping error
#define ABORT_TYPE_UNDDEF 0xff // undefined exception
#define ABORT_TYPE_FATAL 0xffffffff // fatal error
#define ABORT_TYPE_BUS 0 // bus access abnormal
#define ABORT_TYPE_MAP 1 // page table mapping error
#define ABORT_TYPE_UNDDEF 0xff // undefined exception
#define ABORT_TYPE_FATAL 0xffffffff // fatal error
struct rt_exception_info {
char *kernel_str;
int type;
int code;
char *kernel_str;
int type;
int code;
};
#define BKPT_OPCODE 0x56454314 /* illegal opcode */
#define INTC_MEXPMASK __SYSREGA(0x018000e0, unsigned int)
#define BKPT_OPCODE 0x56454314 /* illegal opcode */
#define INTC_MEXPMASK __SYSREGA(0x018000e0, unsigned int)
#define __ffs(a) (_lmbd(1, _bitr(a)))
#define __fls(a) (!(a) ? 0 : (32 - _lmbd(1, (a))))
#define __ffs(a) (_lmbd(1, _bitr(a)))
#define __fls(a) (!(a) ? 0 : (32 - _lmbd(1, (a))))
extern void rt_trap_init(void);