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修改格式

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

@ -8,7 +8,6 @@
* 2021-11-16 Dystopia the first version * 2021-11-16 Dystopia the first version
*/ */
#include "interrupt.h" #include "interrupt.h"
#include "c66xx.h" #include "c66xx.h"
#include "trap.h" #include "trap.h"
@ -46,8 +45,10 @@ void rt_hw_interrupt_init(void)
void rt_hw_interrupt_mask(int vector) void rt_hw_interrupt_mask(int vector)
{ {
if (vector < 0 || vector >= MAX_HANDLERS) if (vector < 0 || vector >= MAX_HANDLERS)
{
return; return;
} }
}
/** /**
* This function will un-mask a interrupt. * This function will un-mask a interrupt.
@ -56,8 +57,10 @@ void rt_hw_interrupt_mask(int vector)
void rt_hw_interrupt_umask(int vector) void rt_hw_interrupt_umask(int vector)
{ {
if (vector < 0 || vector >= MAX_HANDLERS) if (vector < 0 || vector >= MAX_HANDLERS)
{
return; return;
} }
}
/** /**
* This function will install a interrupt service routine to a interrupt. * This function will install a interrupt service routine to a interrupt.
@ -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) void rt_hw_interrupt_clear(int vector)
{ {
if (vector < 0 || vector >= MAX_HANDLERS) if (vector < 0 || vector >= MAX_HANDLERS)
{
return; return;
} }
}

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

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