1 #ifndef _DRYOS_R23_
2 #define _DRYOS_R23_
3 /******************************************************************************/
4 /** DRYOS version 2.3, release #0023 **/
5 /** Internal DryOS kernel data types and constants **/
6 /******************************************************************************/
7 #define TASK_STATE_READY 0
8 #define TASK_STATE_WAIT 1
9 #define TASK_STATE_SUSPEND 2
10 /******************************************************************************/
11 // Task context
12 struct context_t
13 {
14 unsigned int cpsr;
15 unsigned int r[13];
16 unsigned int lr;
17 unsigned int pc;
18 };
19 typedef struct context_t context_t;
20 /******************************************************************************/
21 // Task control block
22 struct task_t
23 {
24 unsigned int unknown1[2];
25 unsigned int priority;
26 void *entry;
27 unsigned int argument;
28 unsigned int unknown2[2];
29 void *stack_addr;
30 unsigned int stack_size;
31 char *name;
32 unsigned int unknown3[6];
33 unsigned int task_id;
34 unsigned char unknown4;
35 unsigned char state;
36 unsigned char unknown5[6];
37 context_t *context; // SP value, context stored on the stack
38 };
39 typedef struct task_t task_t;
40 /******************************************************************************/
41 #endif