41 lines
993 B
C
41 lines
993 B
C
/* Support files for GNU libc. Files in the C namespace go here.
|
|
Files in the system namespace (ie those that start with an underscore)
|
|
go in syscalls.c.
|
|
|
|
Note: These functions are in a seperate file so that OS providers can
|
|
overrride the system call stubs (defined in syscalls.c) without having
|
|
to provide libc funcitons as well. */
|
|
#include "swi.h"
|
|
|
|
#ifdef ARM_RDI_MONITOR
|
|
|
|
static inline int
|
|
do_AngelSWI (int reason, void * arg)
|
|
{
|
|
int value;
|
|
asm volatile ("mov r0, %1; mov r1, %2; " AngelSWIInsn " %a3; mov %0, r0"
|
|
: "=r" (value) /* Outputs */
|
|
: "r" (reason), "r" (arg), "i" (AngelSWI) /* Inputs */
|
|
: "r0", "r1", "lr"
|
|
/* Clobbers r0 and r1, and lr if in supervisor mode */);
|
|
return value;
|
|
}
|
|
#endif /* ARM_RDI_MONITOR */
|
|
|
|
|
|
void
|
|
abort (void)
|
|
{
|
|
#ifdef ARM_RDI_MONITOR
|
|
do_AngelSWI (AngelSWI_Reason_ReportException,
|
|
(void *) ADP_Stopped_RunTimeError);
|
|
#else
|
|
asm ("mov r0,#17\nswi %a0" :: "i" (SWI_Exit));
|
|
#endif
|
|
}
|
|
|
|
void
|
|
alarm (void)
|
|
{
|
|
}
|