c0718054e9
- fixed bug that caused IDLE to panic (irq hook inconsistency); - kprintf() now accepts multiple arguments; moved to utility.c; - prepare_shutdown() signals system processes with SIGKSTOP; - phys_fill() renamed to phys_memset(), argument order changed; - kmemset() removed in favor of phys_kmemset(); - kstrncpy() removed in favor of phys_copy(); - katoi, kstrncmp replaced by normal library procedure again; - rm_irq_handler() interface changed (simply pass hook pointer);
121 lines
4.1 KiB
C
Executable file
121 lines
4.1 KiB
C
Executable file
#ifndef TYPE_H
|
|
#define TYPE_H
|
|
|
|
typedef _PROTOTYPE( void task_t, (void) );
|
|
|
|
/* Process table and system property related types. */
|
|
typedef int proc_nr_t; /* process table entry number */
|
|
typedef short sys_id_t; /* system process index */
|
|
typedef struct { /* bitmap for system indexes */
|
|
bitchunk_t chunk[BITMAP_CHUNKS(NR_SYS_PROCS)];
|
|
} sys_map_t;
|
|
|
|
struct system_image {
|
|
proc_nr_t proc_nr; /* process number to use */
|
|
task_t *initial_pc; /* start function for tasks */
|
|
int flags; /* process flags */
|
|
char quantum; /* quantum (tick count) */
|
|
int priority; /* scheduling priority */
|
|
int stksize; /* stack size for tasks */
|
|
char call_mask; /* allowed system calls */
|
|
long send_mask; /* send mask protection */
|
|
char proc_name[P_NAME_LEN]; /* name in process table */
|
|
};
|
|
|
|
struct memory {
|
|
phys_clicks base; /* start address of chunk */
|
|
phys_clicks size; /* size of memory chunk */
|
|
};
|
|
|
|
typedef unsigned long notify_mask_t; /* bit mask for notifications */
|
|
typedef short notify_type_t; /* notification type */
|
|
typedef char notify_flags_t; /* notification flags */
|
|
typedef int notify_arg_t; /* notification argument */
|
|
|
|
struct notification {
|
|
proc_nr_t n_source; /* sender of notification */
|
|
notify_type_t n_type; /* notification type */
|
|
notify_arg_t n_arg; /* notification argument */
|
|
notify_flags_t n_flags; /* notification flags */
|
|
struct notification* n_next; /* pointer to next notification */
|
|
};
|
|
|
|
/* The kernel outputs diagnostic messages in a circular buffer. */
|
|
struct kmessages {
|
|
int km_next; /* next index to write */
|
|
int km_size; /* current size in buffer */
|
|
char km_buf[KMESS_BUF_SIZE]; /* buffer for messages */
|
|
};
|
|
|
|
struct randomness {
|
|
struct {
|
|
int r_next; /* next index to write */
|
|
int r_size; /* number of random elements */
|
|
unsigned long r_buf[RANDOM_ELEMENTS]; /* buffer for random info */
|
|
} bin[RANDOM_SOURCES];
|
|
};
|
|
|
|
#if (CHIP == INTEL)
|
|
typedef unsigned reg_t; /* machine register */
|
|
|
|
/* The stack frame layout is determined by the software, but for efficiency
|
|
* it is laid out so the assembly code to use it is as simple as possible.
|
|
* 80286 protected mode and all real modes use the same frame, built with
|
|
* 16-bit registers. Real mode lacks an automatic stack switch, so little
|
|
* is lost by using the 286 frame for it. The 386 frame differs only in
|
|
* having 32-bit registers and more segment registers. The same names are
|
|
* used for the larger registers to avoid differences in the code.
|
|
*/
|
|
struct stackframe_s { /* proc_ptr points here */
|
|
#if _WORD_SIZE == 4
|
|
u16_t gs; /* last item pushed by save */
|
|
u16_t fs; /* ^ */
|
|
#endif
|
|
u16_t es; /* | */
|
|
u16_t ds; /* | */
|
|
reg_t di; /* di through cx are not accessed in C */
|
|
reg_t si; /* order is to match pusha/popa */
|
|
reg_t fp; /* bp */
|
|
reg_t st; /* hole for another copy of sp */
|
|
reg_t bx; /* | */
|
|
reg_t dx; /* | */
|
|
reg_t cx; /* | */
|
|
reg_t retreg; /* ax and above are all pushed by save */
|
|
reg_t retadr; /* return address for assembly code save() */
|
|
reg_t pc; /* ^ last item pushed by interrupt */
|
|
reg_t cs; /* | */
|
|
reg_t psw; /* | */
|
|
reg_t sp; /* | */
|
|
reg_t ss; /* these are pushed by CPU during interrupt */
|
|
};
|
|
|
|
struct segdesc_s { /* segment descriptor for protected mode */
|
|
u16_t limit_low;
|
|
u16_t base_low;
|
|
u8_t base_middle;
|
|
u8_t access; /* |P|DL|1|X|E|R|A| */
|
|
u8_t granularity; /* |G|X|0|A|LIMT| */
|
|
u8_t base_high;
|
|
};
|
|
|
|
typedef unsigned long irq_policy_t;
|
|
|
|
typedef struct irq_hook {
|
|
struct irq_hook *next; /* next hook in chain */
|
|
int (*handler)(struct irq_hook *); /* interrupt handler */
|
|
int irq; /* IRQ vector number */
|
|
int id; /* id of this hook */
|
|
int proc_nr; /* NONE if not in use */
|
|
irq_policy_t policy; /* bit mask for policy */
|
|
} irq_hook_t;
|
|
|
|
typedef int (*irq_handler_t)(struct irq_hook *);
|
|
|
|
#endif /* (CHIP == INTEL) */
|
|
|
|
#if (CHIP == M68000)
|
|
/* M68000 specific types go here. */
|
|
#endif /* (CHIP == M68000) */
|
|
|
|
#endif /* TYPE_H */
|