/* * system- and machine-specific declarations for emu: * floating-point save and restore, signal handling primitive, and * implementation of the current-process variable `up'. */ /* * This structure must agree with FPsave and FPrestore asm routines */typedef struct FPU FPU;struct FPU{ uchar env[28];}; #define KSTACK (16 * 1024) #ifndef USE_PTHREADSstatic __inline Proc *getup(void) { Proc *p; __asm__( "mov %0, %%sp;" : "=r" (p) ); return *(Proc **)((uintptr)p & ~(KSTACK - 1));};#else#define getup infgetupextern Proc* getup(void);#endif #define up (getup()) typedef sigjmp_buf osjmpbuf;#define ossetjmp(buf) sigsetjmp(buf, 1)
/*
* system- and machine-specific declarations for emu:
* floating-point save and restore, signal handling primitive, and
* implementation of the current-process variable `up'.
*/
/*
* This structure must agree with FPsave and FPrestore asm routines
*/
typedef struct FPU FPU;
struct FPU
{
uchar env[28];
};
#define KSTACK (16 * 1024)
#ifndef USE_PTHREADS
static __inline Proc *getup(void) {
Proc *p;
__asm__( "mov %0, %%sp;"
: "=r" (p)
);
return *(Proc **)((uintptr)p & ~(KSTACK - 1));
};
#else
#define getup infgetup
extern Proc* getup(void);
#endif
#define up (getup())
typedef sigjmp_buf osjmpbuf;
#define ossetjmp(buf) sigsetjmp(buf, 1)