diff options
Diffstat (limited to 'lib/libpthread/machdep/engine-m68000-netbsd.h')
| -rw-r--r-- | lib/libpthread/machdep/engine-m68000-netbsd.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/lib/libpthread/machdep/engine-m68000-netbsd.h b/lib/libpthread/machdep/engine-m68000-netbsd.h new file mode 100644 index 00000000000..0cf0b035d6f --- /dev/null +++ b/lib/libpthread/machdep/engine-m68000-netbsd.h @@ -0,0 +1,77 @@ +/* ==== machdep.h ============================================================ + * Copyright (c) 1993 Chris Provenzano, proven@athena.mit.edu + * + * $Id: engine-m68000-netbsd.h,v 1.1 1998/07/21 13:19:14 peter Exp $ + * + */ + +#include <unistd.h> +#include <setjmp.h> +#include <sys/time.h> + +/* + * The first machine dependent functions are the SEMAPHORES + * needing the test and set instruction. + */ +#define SEMAPHORE_CLEAR 0 +#define SEMAPHORE_SET 0x80; + +#define SEMAPHORE_TEST_AND_SET(lock) \ +({ \ +volatile long temp = SEMAPHORE_CLEAR; \ + \ +__asm__ volatile("tas (%2); bpl 0f; movl #1,%0; 0:" \ + :"=r" (temp) \ + :"0" (temp),"r" (lock)); \ +temp; \ +}) + +#define SEMAPHORE_RESET(lock) *lock = SEMAPHORE_CLEAR + +/* + * New types + */ +typedef char semaphore; + +/* + * sigset_t macros + */ +#define SIG_ANY(sig) (sig) +#define SIGMAX 31 + +/* + * New Strutures + */ +struct machdep_pthread { + void *(*start_routine)(void *); + void *start_argument; + void *machdep_stack; + struct itimerval machdep_timer; + jmp_buf machdep_state; +}; + +/* + * Min pthread stacksize + */ +#define PTHREAD_STACK_MIN 1024 + +/* + * Static machdep_pthread initialization values. + * For initial thread only. + */ +#define MACHDEP_PTHREAD_INIT \ +{ NULL, NULL, NULL, { { 0, 0 }, { 0, 100000 } }, 0 } + +/* + * New functions + */ + +__BEGIN_DECLS + +#if defined(PTHREAD_KERNEL) + +int machdep_save_state __P_((void)); + +#endif + +__END_DECLS |