jehanne/sys/include/tos.h

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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
typedef struct Tos Tos;
struct Tos {
uint64_t cyclefreq; /* cycle clock frequency if there is one, 0 otherwise */
int64_t kcycles; /* cycles spent in kernel */
int64_t pcycles; /* cycles spent in process (kernel + user) */
uint32_t pid; /* might as well put the pid here */
uint32_t clock;
/* scratch space for kernel use (e.g., mips fp delay-slot execution) */
uint32_t kscr[4];
/*
* Fields below are not available on Plan 9 kernels.
*/
int nixtype; /* role of the core we are running at */
int core; /* core we are running at */
/* top of stack is here */
};
extern Tos *_tos;