minix/minix/kernel/config.h
Sanchayan Maity 6f36b466f3 minix: Prepare for message queue support to Minix kernel
This commit adds preparatory support for forthcoming message
queue implementation to the Minix kernel. The core implementation
will be added with the next commit.
2016-02-29 20:43:07 +05:30

70 lines
3.2 KiB
C

#ifndef CONFIG_H
#define CONFIG_H
/* This file defines the kernel configuration. It allows to set sizes of some
* kernel buffers and to enable or disable debugging code, timing features,
* and individual kernel calls.
*
* Changes:
* Jul 11, 2005 Created. (Jorrit N. Herder)
*/
/* In embedded and sensor applications, not all the kernel calls may be
* needed. In this section you can specify which kernel calls are needed
* and which are not. The code for unneeded kernel calls is not included in
* the system binary, making it smaller. If you are not sure, it is best
* to keep all kernel calls enabled.
*/
#define USE_FORK 1 /* fork a new process */
#define USE_NEWMAP 1 /* set a new memory map */
#define USE_EXEC 1 /* update process after execute */
#define USE_CLEAR 1 /* clean up after process exit */
#define USE_EXIT 1 /* a system process wants to exit */
#define USE_TRACE 1 /* process information and tracing */
#define USE_GETKSIG 1 /* retrieve pending kernel signals */
#define USE_ENDKSIG 1 /* finish pending kernel signals */
#define USE_KILL 1 /* send a signal to a process */
#define USE_SIGSEND 1 /* send POSIX-style signal */
#define USE_SIGRETURN 1 /* sys_sigreturn(proc_nr, ctxt_ptr, flags) */
#define USE_ABORT 1 /* shut down MINIX */
#define USE_GETINFO 1 /* retrieve a copy of kernel data */
#define USE_TIMES 1 /* get process and system time info */
#define USE_SETALARM 1 /* schedule a synchronous alarm */
#define USE_VTIMER 1 /* set or retrieve a process-virtual timer */
#define USE_DEVIO 1 /* read or write a single I/O port */
#define USE_VDEVIO 1 /* process vector with I/O requests */
#define USE_SDEVIO 1 /* perform I/O request on a buffer */
#define USE_IRQCTL 1 /* set an interrupt policy */
#define USE_PRIVCTL 1 /* system privileges control */
#define USE_UMAP 1 /* map virtual to physical address */
#define USE_UMAP_REMOTE 1 /* sys_umap on behalf of another process */
#define USE_VUMAP 1 /* vectored virtual to physical mapping */
#define USE_VIRCOPY 1 /* copy using virtual addressing */
#define USE_PHYSCOPY 1 /* copy using physical addressing */
#define USE_MEMSET 1 /* write char to a given memory area */
#define USE_RUNCTL 1 /* control stop flags of a process */
#define USE_STATECTL 1 /* let a process control its state */
#define USE_MCONTEXT 1 /* enable getting/setting of machine context */
#define USE_MQ_IPC 1 /* enable user space message queues IPC */
#if defined(__arm__)
#define USE_PADCONF 1 /* configure pinmux */
#endif /* __arm__ */
/* This section contains defines for valuable system resources that are used
* by device drivers. The number of elements of the vectors is determined by
* the maximum needed by any given driver. The number of interrupt hooks may
* be incremented on systems with many device drivers.
*/
#ifndef USE_APIC
#define NR_IRQ_HOOKS 16 /* number of interrupt hooks */
#else
#define NR_IRQ_HOOKS 64 /* number of interrupt hooks */
#endif
#define VDEVIO_BUF_SIZE 64 /* max elements per VDEVIO request */
#define K_PARAM_SIZE 512
#endif /* CONFIG_H */