blob: 83d89b85672e4e26f3feb5260ade011494e0d5b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/**
* @file
* F00l 0S
REFERENCES
==========
http://www.brokenthorn.com/Resources/OSDev17.html
http://www.jamesmolloy.co.uk/tutorial_html/9.-Multitasking.html
http://pdos.csail.mit.edu/6.828/2011/labs/lab6/
http://pdos.csail.mit.edu/6.828/2011/xv6.html
http://www.nongnu.org/ext2-doc/
http://www.osdever.net/tutorials/view/multiprocessing-support-for-hobby-oses-explained
http://forum.osdev.org/viewtopic.php?f=1&t=10944
http://wiki.osdev.org/Virtual_8086_Mode
http://wiki.xomb.org/index.php?title=ACPI_Tables
http://wiki.osdev.org/Hosted_GCC_Cross-Compiler
https://sourceware.org/newlib/
and many many more...
*/
#ifndef FOOLOS_CONFIG_H
#define FOOLOS_CONFIG_H
#define BIN_INIT "/bin/init"
//#define FOOLOS_UNIT_TESTING // Run Unit Tests
//#define FOOLOS_LOG_OFF // Turn off logging
//#define FOOLOS_COLORLESS // Turn off colors in log
#define FIFO_MAX_RINGBUFFERS 20
#define MAX_FIFOS 20
#define MAX_FD 20
#define MAX_TASKS 10
#define MEM_PRINT_MEMORYMAP
#define KMALLOC_MEM_SIZE 1024*1024*8 // 8MB for in kernel-memory
#define KMALLOC_BLOCK_SIZE 1024*4 // 4096 per block
#define NUMBER_SPINLOCKS 16
#define SPINLOCK_LOG 0
#define SPINLOCK_ALLOC 1
#define SPINLOCK_PID 2
#define S1(x) #x
#define S2(x) S1(x)
#define SMP_MAX_PROC 16 // 16 (together with bsp) We can currently only address a maximum of 16 cpus via ipis!
// Virtual Memory Locations //
// REMEMBER THAT THE STACKS GROW DOWNWARDS //
// We leave some space around them
// 1 page 0x1000 bytes
// 8192 pages = 0x2000000 bytes
// minimal space between user and kernel pages 1024 pages!
#define VMEM_KERNEL 0x00000000 // 8192 pages (32megs) / identity mapped
// VMEM_KERNEL END 0x02000000
#define VMEM_USER_ENV 0x07000000 // 1 page / per user process
#define VMEM_USER_PROG_PAGES 256
#define VMEM_USER_PROG 0x08048000 // ? pages / per user process (usual entry: 0x8048080)
#define VMEM_USER_STACK_PAGES 4 // 4 pages / per thread
#define VMEM_USER_STACK_TOP 0xF0000000 // 4 pages / per thread
#define VMEM_LAPIC 0xF0005000 // 1 pages / identity mapped
#define VMEM_IOAPIC 0xF0006000 // 1 pages / identity mapped
#define VMEM_CPU_PRIVATE 0xF000A000 // 4 pages / per cpu
#define VMEM_CPU_STACK_PAGES 4 // 4 pages / per thread
#define VMEM_CPU_STACK_TOP 0xF3000000 // 4 pages / per cpu
#define VMEM_COPY_PAGE 0xF4000000 // 1 page / temporery map-in tables for copying
//TODO: do not hardcode in crt0.s!!!!
#define VMEM_USER_NEWLIB 0xF5000000 // 1 page / newlib reentrancy struct. 1 per thread
#define VMEM_FRAMEBUFFER 0xF6000000 // 8192 pages (32megs) / identity mapped
#define VMEM_EXT2_RAMIMAGE 0xF8000000 // 8192 pages (32megs) / identity mapped
#endif
|
