Mercurial > lcfOS

annotate cos/kernel/kernel.h @ 206:6c6bf8890d8a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added push and pop encodings
author Windel Bouwman
date Fri, 28 Jun 2013 16:49:38 +0200
parents 35cc54e078dd
children
rev   line source
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
1 #ifndef KERNEL_H
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
2 #define KERNEL_H
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
3
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
4 // Include common functions, available to all!
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
5 #define NULL ((void*)0)
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
6
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
7 /* Types */
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
8
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
9 // Type defs:
17
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
10 typedef unsigned char uint8_t;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
11 typedef unsigned short uint16_t;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
12 typedef unsigned int uint32_t;
17
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
13 typedef unsigned long int uint64_t;
34
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
14 typedef long int int64_t;
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
15
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
16 _Static_assert(sizeof(uint8_t) == 1, "sizeof(uint8_t) != 1");
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
17 _Static_assert(sizeof(uint16_t) == 2, "sizeof(uint16_t) != 2");
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
18 _Static_assert(sizeof(uint32_t) == 4, "sizeof(uint32_t) != 4");
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
19 _Static_assert(sizeof(uint64_t) == 8, "sizeof(uint64_t) != 8");
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
20 _Static_assert(sizeof(int64_t) == 8, "sizeof(int64_t) != 8");
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
21
17
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
22 // IDT related structures:
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
23 typedef struct {
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
24 uint16_t baseLow;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
25 uint16_t selector;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
26 uint8_t reserved1;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
27 uint8_t flags;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
28 uint16_t baseMid;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
29 uint32_t baseHigh;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
30 uint32_t reserved2;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
31 } __attribute__((packed)) IDT_entry;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
32
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
33 typedef struct {
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
34 uint16_t limit;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
35 uint64_t base;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
36 } __attribute__((packed)) idtPointer;
f3e3e0e9c4bc First attempt IDT loader 64 bits. INT13 occurs
windel
parents: 14
diff changeset
37
20
b1fed2171e1a Now working with 2 MB pages
windel
parents: 17
diff changeset
38 // Multiboot structs:
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
39 struct multiboot_aout_symbol_table {
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
40 uint32_t tabsize;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
41 uint32_t strsize, addr, reserved;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
42 };
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
43
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
44 typedef struct multiboot_info_tag
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
45 {
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
46 uint32_t flags; // Multiboot flags / version
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
47 uint32_t mem_lower; // available memory from BIOS
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
48 uint32_t mem_upper;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
49 uint32_t boot_device;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
50 uint32_t cmdline; // COmmand line
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
51 uint32_t mods_count;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
52 uint32_t mods_addr;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
53 union {
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
54 struct multiboot_aout_symbol_table aout_sym;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
55 } u;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
56
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
57 uint32_t mmap_length;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
58 uint32_t mmap_addr;
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
59 } multiboot_info_t;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
60
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
61 typedef struct memory_map_tag
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
62 {
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
63 uint32_t size;
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
64 uint64_t base;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
65 uint64_t length;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
66 uint32_t type;
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
67 } __attribute__((packed)) multiboot_memory_map_t;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
68
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
69 typedef struct
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
70 {
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
71 uint32_t mod_start;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
72 uint32_t mod_end;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
73 uint32_t cmdline;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
74 uint32_t pad;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
75 } multiboot_module_t;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
76
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
77 // Memory manager structures:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
78 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
79 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
80 uint64_t present : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
81 uint64_t rw : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
82 uint64_t us : 1; // user or supervisor
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
83 uint64_t pwt : 1; // page level write-through
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
84 uint64_t pcd : 1; // page cache disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
85 uint64_t accessed : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
86 uint64_t ignored : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
87 uint64_t ps : 1; // must be 0.
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
88 uint64_t ignored2 : 4;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
89 // 12 bits so far
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
90 uint64_t address : 40; // address of page directory pointer table.
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
91 uint64_t ignored3 : 11;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
92 uint64_t xd : 1; // execute disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
93 } PML4E_t; // 64 bits wide, PML4 table must be 4096 byte aligned.
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
94
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
95 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
96 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
97 // Must be 12 bits aligned!
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
98 PML4E_t table[512];
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
99 uint64_t physicalAddress; // Physical address of the table above
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
100 } PML4_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
101
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
102 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
103 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
104 uint64_t present : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
105 uint64_t rw : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
106 uint64_t us : 1; // user or supervisor
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
107 uint64_t pwt : 1; // page level write-through
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
108 uint64_t pcd : 1; // page cache disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
109 uint64_t accessed : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
110 uint64_t ignored : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
111 uint64_t ps : 1; // page size, must be 0, otherwise maps a 1 GB page.
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
112 uint64_t ignored2 : 4;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
113 // 12 bits so far
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
114 uint64_t address : 40; // address of page directory table.
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
115 uint64_t ignored3 : 11;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
116 uint64_t xd : 1; // execute disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
117 } PDPTE_t; // Page directory pointer table entry, 64 bits wide. 4-kB aligned.
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
118
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
119 // Page directory pointer table:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
120 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
121 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
122 PDPTE_t table[512];
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
123 uint64_t physicalAddress;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
124 } PDPT_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
125
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
126 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
127 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
128 uint64_t present : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
129 uint64_t rw : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
130 uint64_t us : 1; // user or supervisor
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
131 uint64_t pwt : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
132 uint64_t pcd : 1; // page cache disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
133 uint64_t accessed : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
134 uint64_t ignored : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
135 uint64_t ps : 1; // page size, must be 0, otherwise maps a 2-MB page.
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
136 uint64_t ignored2 : 4;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
137 // 12 bits so far
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
138 uint64_t address : 40; // address of page table.
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
139 uint64_t ignored3 : 11;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
140 uint64_t xd : 1; // execute disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
141 } PDE_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
142
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
143 // Page directory:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
144 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
145 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
146 PDE_t table[512];
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
147 uint64_t physicalAddress;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
148 } PD_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
149
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
150 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
151 {
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
152 unsigned present : 1;
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
153 uint64_t rw : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
154 uint64_t us : 1; // user or supervisor
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
155 uint64_t pwt : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
156 uint64_t pcd : 1; // page cache disable
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
157 uint64_t accessed : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
158 uint64_t dirty : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
159 uint64_t pat : 1; // memory type?
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
160 uint64_t g : 1; // Global?
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
161 uint64_t ignored : 3;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
162
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
163 uint64_t address : 40;
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
164 uint64_t ignored2 : 11;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
165 uint64_t xd : 1;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
166 } page_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
167
30
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
168 _Static_assert(sizeof(page_t) == 8, "sizeof(page_t) != 8");
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
169 _Static_assert(sizeof(PDE_t) == 8, "sizeof(PDE_t) != 8");
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
170 _Static_assert(sizeof(PDPTE_t) == 8, "sizeof(PDPTE_t) != 8");
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
171 _Static_assert(sizeof(PML4E_t) == 8, "sizeof(PML4E_t) != 8");
0148f55bfe24 Added static asserts and fixed pages
windel
parents: 29
diff changeset
172
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
173 // Page table:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
174 typedef struct
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
175 {
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
176 page_t table[512];
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
177 uint64_t physicalAddress;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
178 } PT_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
179
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
180 // Make memmap a PML4 type:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
181 typedef PML4_t memmap_t;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
182
40
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
183 // Malloc related functions
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
184 typedef struct {
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
185 uint64_t magic;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
186 uint64_t state;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
187 uint64_t size;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
188 } heap_header_t;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
189
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
190 typedef struct
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
191 {
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
192 heap_header_t *first_block;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
193 uint64_t start_address;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
194 uint64_t end_address;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
195 } heap_t;
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
196
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
197 // Task related types:
24
d8627924d40d Split up in more files and reboot command
windel
parents: 20
diff changeset
198 typedef struct
d8627924d40d Split up in more files and reboot command
windel
parents: 20
diff changeset
199 {
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
200 char name[32]; // Name of the console
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
201 unsigned char screendata[80*25]; // All chars in the console!
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
202 } console_t;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
203
25
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
204 typedef struct task_t {
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
205 struct task_t* next;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
206 uint32_t kstack;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
207 uint32_t ustack;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
208
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
209 // For task switching:
25
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
210 uint64_t cr3;
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
211 uint64_t rip;
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
212 uint64_t rsp;
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
213 uint64_t rbp;
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
214
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
215 uint32_t pid;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
216 uint32_t parent;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
217 uint32_t owner;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
218 uint32_t groups;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
219 uint32_t timetorun;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
220 uint32_t sleep;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
221 uint32_t priority;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
222 uint32_t filehandle;
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
223 char naam[32];
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
224
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
225 console_t *console;
25
d3c4bf3720a3 Beginning of multitasking
windel
parents: 24
diff changeset
226 } task_t;
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
227
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
228 /* Filesystem related types: */
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
229 struct fs_node_tag;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
230 struct fs_dirent_tag;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
231
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
232 typedef uint64_t (*read_type_t)(struct fs_node_tag*, uint64_t, uint64_t, uint8_t*);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
233 typedef uint64_t (*write_type_t)(struct fs_node_tag*, uint64_t, uint64_t, uint8_t*);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
234 typedef void (*open_type_t)(struct fs_node_tag*);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
235 typedef void (*close_type_t)(struct fs_node_tag*);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
236 typedef struct fs_dirent_tag* (*readdir_type_t)(struct fs_node_tag*, int);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
237
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
238 typedef struct fs_node_tag
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
239 {
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
240 char name[129];
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
241 uint64_t flags;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
242 uint64_t length;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
243 uint64_t inode;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
244 // Accessor functions:
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
245 read_type_t read;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
246 write_type_t write;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
247 open_type_t open;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
248 close_type_t close;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
249 readdir_type_t readdir;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
250 } fs_node_t;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
251
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
252 typedef struct fs_dirent_tag
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
253 {
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
254 char name[65];
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
255 uint64_t inode;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
256 } fs_dirent_t;
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
257
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
258 #define FS_FILE 0x1
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
259 #define FS_DIRECTORY 0x2
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
260
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
261 uint64_t read_fs(fs_node_t *node, uint64_t offset, uint64_t size, uint8_t *buffer);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
262 uint64_t write_fs(fs_node_t *node, uint64_t offset, uint64_t size, uint8_t *buffer);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
263 void open_fs(fs_node_t *node);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
264 void close_fs(fs_node_t *node);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
265 fs_dirent_t* readdir_fs(fs_node_t *node, int i);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
266
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
267 // Initial ramdisk functions:
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
268 fs_node_t* initialize_initrd(uint64_t location);
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
269
41
35cc54e078dd Added memory functions
windel
parents: 40
diff changeset
270 void load_ramdisk(void);
35cc54e078dd Added memory functions
windel
parents: 40
diff changeset
271
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
272 // Variable argument list things:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
273 #define va_start(v,l) __builtin_va_start(v,l)
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
274 #define va_end(v) __builtin_va_end(v)
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
275 #define va_arg(v,l) __builtin_va_arg(v,l)
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
276 typedef __builtin_va_list va_list;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
277
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
278 /* Global variables */
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
279 extern uint64_t kernel_end;
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
280 extern uint64_t placement_address;
40
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
281 extern memmap_t* kernel_map;
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
282
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
283 /* Procedures */
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
284
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
285 // memory functions:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
286 // TODO: remove some redundant API functions:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
287 void init_memory(uint64_t total_mem_size);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
288 page_t* get_page(uint64_t address, memmap_t*);
40
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
289 void alloc_frame(page_t *page);
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
290 void loadPageTable(void* tableAddress);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
291 void switch_mapping(memmap_t* mapping);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
292 void enablePaging();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
293
40
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
294 // Malloc related:
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
295 void* kmalloc(uint64_t size);
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
296 void* kmalloc_a(uint64_t size); // Aligned on a 4 KiB page.
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
297 void kfree(void* ptr);
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
298 heap_t* create_heap(uint64_t location, uint64_t size);
24ce177e01e8 Added more malloc stuff. Added mem usage
windel
parents: 37
diff changeset
299
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
300 // task related functions:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
301 void initialize_tasking();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
302 void new_task();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
303 void task_scheduler();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
304
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
305 // STDout funcs:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
306 void printf(const char* fmt, ... );
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
307 void memset(void* ptr, uint8_t value, uint64_t num);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
308 void memcpy(void* dst, void* src, uint64_t num);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
309 int strncmp(const char* s1, const char* s2, int size);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
310
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
311 // Screen related:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
312 void clear_screen();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
313 void init_screen();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
314 void print_string(const char *);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
315 void set_cursor(int newrow, int newcol);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
316 void get_cursor(int *therow, int *thecol);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
317 void set_color(int forecolor, int backcolor);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
318
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
319 // For IO ports:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
320 uint8_t inb(uint16_t);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
321 uint16_t inw(uint16_t);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
322 void outb(uint16_t, uint8_t);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
323
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
324 // Interrupt functions:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
325 void setupIDT(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
326 void PICremap(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
327 void loadIDT(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
328
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
329 // ASM helper:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
330 uint64_t read_rip();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
331
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
332 // Helpers:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
333 void halt(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
334 void panic(char *msg);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
335 void reboot(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
336 void magicBochsBreak();
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
337 void doCPUID(int eax, int *ebx, int *ecx, int *edx);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
338
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
339 // Keyboard driver:
32
3a6a9b929db0 Added initial ramdisk and some virtual file system functions
windel
parents: 30
diff changeset
340 void keyboardDriverUpdate(void);
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
341 void getline(char *buffer, int len);
34
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
342 void keyboard_init(void);
29
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
343
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
344 // Timer:
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
345 void timerDriverUpdate(void);
7e3bdcb391dc Added get_page function to mm
windel
parents: 28
diff changeset
346 uint64_t getTimeMS();
34
8012221dd740 Fixes for uninitialized data. This causes problems on real machines
windel
parents: 32
diff changeset
347 void timer_init(void);
28
47b7df514243 Moved Makefiles
windel
parents: 26
diff changeset
348
37
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
349 // Multiboot:
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
350 extern uint64_t available_memory;
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
351 extern uint64_t ramdisk_location;
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
352 void read_multiboot_info(void);
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
353
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
354 // Shell
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
355 void shell(void);
5c20bd53cccd Cleanup
windel
parents: 34
diff changeset
356
9
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
357 #endif
92ace1ca50a8 64 bits kernel without interrupts but with printf in C
windel
parents:
diff changeset
358