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Reorganized system call library; uses separate file per call now.

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New configuration header file to include/ exclude functionality.
Extracted privileged features from struct proc and create new struct priv.
Renamed various system calls for readability.
This commit is contained in:
Jorrit Herder
2005-07-14 15:12:12 +00:00
parent 355d22ff06
commit 42ab148155
53 changed files with 1957 additions and 1503 deletions
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76
kernel/const.h
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@@ -1,22 +1,21 @@
/* General constants used by the kernel. */
/* General macros and constants used by the kernel. */
#ifndef CONST_H
#define CONST_H
#include <ibm/interrupt.h> /* interrupt numbers and hardware vectors */
#include <ibm/ports.h> /* port addresses and magic numbers */
#include <ibm/bios.h> /* BIOS addresses, sizes and magic numbers */
#include <ibm/cpu.h> /* BIOS addresses, sizes and magic numbers */
#include <minix/config.h>
#include "config.h"
/* To translate an address in kernel space to a physical address. This is
* the same as umap_local(proc_ptr, D, vir, sizeof(*vir)), but less costly.
*/
#define vir2phys(vir) (kinfo.data_base + (vir_bytes) (vir))
/* Constants used in virtual_copy(). Values must be 0 and 1, respectively! */
#define _SRC_ 0
#define _DST_ 1
/* Translate a pointer to a field in a structure to a pointer to the structure
* itself. So it translates '&struct_ptr->field' back to 'struct_ptr'.
* itself. So it translates '&struct_ptr->field' back to 'struct_ptr'.
*/
#define structof(type, field, ptr) \
((type *) (((char *) (ptr)) - offsetof(type, field)))
@@ -24,30 +23,9 @@
/* How many bytes for the kernel stack. Space allocated in mpx.s. */
#define K_STACK_BYTES 1024
/* How long should the process names be in the kernel? */
#define P_NAME_LEN 8
/* Scheduling quantum. Number of ticks before preemption. */
#define SCHED_MILLISEC 100 /* rate to call scheduler */
#define SCHED_TICKS (SCHED_MILLISEC*HZ/1000) /* ticks per schedule */
/* How many bytes should the circular buffer for kernel diagnostics. */
#define KMESS_BUF_SIZE 256
/* Maximum size in bytes for (port,value)-pairs vector to copy in. */
#define VDEVIO_BUF_SIZE 64
/* How many elements in vector of virtual copy requests. */
#define VCOPY_VEC_SIZE 16
/* How many IRQ hooks are there in total. */
#define NR_IRQ_HOOKS 16
/* How many buffers for notification messages should there be? */
#define NR_NOTIFY_BUFS 32
/* Buffer to gather randomness. How many entries before wrapping? */
#define RANDOM_ELEMENTS 32
/* Constants used in virtual_copy(). Values must be 0 and 1, respectively. */
#define _SRC_ 0
#define _DST_ 1
/* Constants and macros for bit map manipulation. */
#define BITCHUNK_BITS (sizeof(bitchunk_t) * CHAR_BIT)
@@ -58,6 +36,14 @@
#define SET_BIT(map,bit) ( MAP_CHUNK(map,bit) |= (1 << CHUNK_OFFSET(bit) )
#define UNSET_BIT(map,bit) ( MAP_CHUNK(map,bit) &= ~(1 << CHUNK_OFFSET(bit) )
#define get_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) & (1 << CHUNK_OFFSET(bit) )
#define set_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) |= (1 << CHUNK_OFFSET(bit) )
#define unset_sys_bit(map,bit) \
( MAP_CHUNK(map.chunk,bit) &= ~(1 << CHUNK_OFFSET(bit) )
#define NR_SYS_CHUNKS BITMAP_CHUNKS(NR_SYS_PROCS)
#if (CHIP == INTEL)
@@ -70,29 +56,18 @@
#define IF_MASK 0x00000200
#define IOPL_MASK 0x003000
#if ENABLE_LOCK_TIMING
#define locktimestart(c, v) timer_start(c, v)
#define locktimeend(c) timer_end(c)
#else
#define locktimestart(c, v)
#define locktimeend(c)
#endif
#if ENABLE_K_LOCKCHECK
#define lockcheck if(!(read_cpu_flags() & X86_FLAG_I)) kinfo.relocking++;
#else
#define lockcheck
#endif
/* Disable/Enable hardware interrupts. */
#define lock(c, v) do { lockcheck; intr_disable(); locktimestart(c, v); } while(0)
#define unlock(c) do { locktimeend(c); intr_enable(); } while(0)
/* Disable/ enable hardware interrupts. The parameters of lock() and unlock()
* are used when debugging is enabled. See debug.h for more information.
*/
#define lock(c, v) intr_disable();
#define unlock(c) intr_enable();
/* Sizes of memory tables. The boot monitor distinguishes three memory areas,
* namely low mem below 1M, 1M-16M, and mem after 16M. More chunks are needed
* for DOS MINIX.
*/
#define NR_MEMS 8 /* number of chunks of memory */
#define NR_MEMS 8
#endif /* (CHIP == INTEL) */
@@ -100,7 +75,4 @@
/* M68000 specific constants go here. */
#endif /* (CHIP == M68000) */
#if ENABLE_INT_TIMING
#define INT_TIMING_BITS 12
#define INT_TIMING_ELEMENTS (1L << 12)
#endif
#endif /* CONST_H */