minix/kernel/config.h
Thomas Cort 4593804bf0 kernel: add padconf kernel call
On the AM335X, writes to the padconf registers must be done in privileged
mode. To allow userspace drivers to dynamically change the padconf at
runtime, a kernel call has been added.

Change-Id: I4b25d2879399b1785a360912faa0e90b5c258533
2013-08-28 12:53:05 -04:00

65 lines
2.9 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_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 */
#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 */