Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

software: factorize exception_handler

This commit is contained in:
Sebastien Bourdeauducq 2014-05-14 15:01:38 +02:00
parent edf567a0cd
commit 13e74b8b4f
3 changed files with 18 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
software/bios/isr.c
View File

@ -12,17 +12,3 @@ void isr(void)
if(irqs & (1 << UART_INTERRUPT))
uart_isr();
}
#ifdef __or1k__
#define EXTERNAL_IRQ 0x800
void exception_handler(unsigned long vect, unsigned long *sp);
void exception_handler(unsigned long vect, unsigned long *sp)
{
if ((vect & 0xf00) == EXTERNAL_IRQ) {
isr();
} else {
/* Unhandled exception */
for(;;);
}
}
#endif

2
software/libbase/Makefile
View File

@ -1,7 +1,7 @@
MSCDIR=../..
include $(MSCDIR)/software/common.mak
OBJECTS=setjmp-$(CPU).o libc.o errno.o crc16.o crc32.o console.o system.o id.o uart.o time.o qsort.o strtod.o
OBJECTS=setjmp-$(CPU).o exception.o libc.o errno.o crc16.o crc32.o console.o system.o id.o uart.o time.o qsort.o strtod.o
all: crt0-$(CPU).o libbase.a libbase-nofloat.a

17
software/libbase/exception.c Normal file
View File

@ -0,0 +1,17 @@
void isr(void);
#ifdef __or1k__
#define EXTERNAL_IRQ 0x800
void exception_handler(unsigned long vect, unsigned long *sp);
void exception_handler(unsigned long vect, unsigned long *sp)
{
if ((vect & 0xf00) == EXTERNAL_IRQ) {
isr();
} else {
/* Unhandled exception */
for(;;);
}
}
#endif