Import backup from 2004-04-05
This commit is contained in:
parent
6236c341dd
commit
38f009f2ca
4
Makefile
4
Makefile
@ -41,8 +41,8 @@ all:
|
||||
# Clean up the source directory of any binaries #
|
||||
#################################################
|
||||
clean:
|
||||
cd boot; make clean
|
||||
cd kernel; make clean
|
||||
make -C boot clean
|
||||
make -C kernel clean
|
||||
|
||||
|
||||
|
||||
|
||||
BIN
boot/stage1.bin
BIN
boot/stage1.bin
Binary file not shown.
BIN
boot/stage2.bin
BIN
boot/stage2.bin
Binary file not shown.
Binary file not shown.
@ -172,7 +172,7 @@ void kio_drawConsole()
|
||||
video_rectf(8, 8, 491, 261, 0);
|
||||
video_rect(7, 7, 492, 262, 0x00777777);
|
||||
int x, y;
|
||||
x = 240, y = 125;
|
||||
x = 250, y = 135;
|
||||
int s = 100, p = 0;
|
||||
for (p = 0; p <= s; p += 16)
|
||||
{
|
||||
@ -186,7 +186,7 @@ void kio_drawConsole()
|
||||
{
|
||||
for (y = 0; y < 25; y++)
|
||||
{
|
||||
video_renderChar(x*6+10, y*10+10, console_memory[y*80+x], 0, 0x00FF9900);
|
||||
video_renderChar(x*6+10, y*10+10, console_memory[y*80+x], 0, 0x00FFFFFF);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -197,7 +197,7 @@ void kio_drawConsoleChar(dword position)
|
||||
{
|
||||
int x = position % 80;
|
||||
int y = position / 80;
|
||||
video_renderChar(x*6+10, y*10+10, console_memory[y*80+x], 0, 0x00FF9900);
|
||||
video_renderChar(x*6+10, y*10+10, console_memory[y*80+x], 0, 0x00FFFFFF);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -1,276 +0,0 @@
|
||||
|
||||
Allocating common symbols
|
||||
Common symbol size file
|
||||
|
||||
_mouse_y 0x4 mouse.o
|
||||
_video_mode 0x100 video.o
|
||||
_console_memory 0xfa0 kio.o
|
||||
_page_bitmap 0x20000 mm.o
|
||||
_kbdBuffer 0x100 keyboard.o
|
||||
_mouse_x 0x4 mouse.o
|
||||
_mouse_inbuffer 0x10 mouse.o
|
||||
|
||||
Memory Configuration
|
||||
|
||||
Name Origin Length Attributes
|
||||
*default* 0x0000000000000000 0xffffffffffffffff
|
||||
|
||||
Linker script and memory map
|
||||
|
||||
|
||||
.text 0x00000000c0106000 0x4000
|
||||
0x00000000c0106000 code = .
|
||||
0x00000000c0106000 _code = .
|
||||
0x00000000c0106000 __code = .
|
||||
*(.text)
|
||||
.text 0x00000000c0106000 0x384 ks.o
|
||||
0x00000000c0106000 _start
|
||||
.text 0x00000000c0106384 0x552 kernel.o
|
||||
0x00000000c0106384 _k_init
|
||||
0x00000000c010664d _draw_star
|
||||
0x00000000c0106727 _isr
|
||||
0x00000000c010655b _star_array
|
||||
*fill* 0x00000000c01068d6 0x2 00
|
||||
.text 0x00000000c01068d8 0x308 asmfuncs.o
|
||||
0x00000000c01068f6 _read_cr3
|
||||
0x00000000c01068fa _strcmp
|
||||
0x00000000c0106a09 _puts
|
||||
0x00000000c0106990 _memsetd
|
||||
0x00000000c01069be _invlpg_
|
||||
0x00000000c0106a28 _putDecu
|
||||
0x00000000c010694c _memcpyd
|
||||
0x00000000c0106935 _memcpy
|
||||
0x00000000c0106963 _memset
|
||||
0x00000000c01068f2 _read_cr2
|
||||
0x00000000c01069c6 _writeCursorPosition
|
||||
0x00000000c0106979 _memsetw
|
||||
0x00000000c0106af0 _putDec
|
||||
0x00000000c0106920 _strcpy
|
||||
0x00000000c01069a6 _strlen
|
||||
0x00000000c01069ec _getCursorPosition
|
||||
0x00000000c01068d8 _write_cr0
|
||||
0x00000000c01068e7 _write_cr3
|
||||
0x00000000c01068e3 _read_cr0
|
||||
.text 0x00000000c0106be0 0x693 keyboard.o
|
||||
0x00000000c0107113 _kbdGetKey
|
||||
0x00000000c01071a7 _kbd_resetLEDs
|
||||
0x00000000c0106be0 _isr_keyboard
|
||||
0x00000000c0107164 _kbdWaitKey
|
||||
*fill* 0x00000000c0107273 0x1 00
|
||||
.text 0x00000000c0107274 0x5f9 kio.o
|
||||
0x00000000c01077ed _kio_drawConsoleChar
|
||||
0x00000000c01073b0 _putc
|
||||
0x00000000c01075f9 _kio_console_cls
|
||||
0x00000000c01074ec _putHex
|
||||
0x00000000c0107596 _kio_console_scroll
|
||||
0x00000000c0107652 _kio_drawConsole
|
||||
0x00000000c0107274 _printf
|
||||
0x00000000c010755f _kio_putBCD
|
||||
*fill* 0x00000000c010786d 0x3 00
|
||||
.text 0x00000000c0107870 0x347 mm.o
|
||||
0x00000000c0107a9b _mm_palloc
|
||||
0x00000000c0107a51 _mm_pfree
|
||||
0x00000000c0107a14 _mm_pfreen
|
||||
0x00000000c0107870 _mm_init
|
||||
0x00000000c0107b3f _mm_freemem
|
||||
0x00000000c0107bad _mm_getTotalMegs
|
||||
0x00000000c0107ba3 _mm_getTotalMem
|
||||
*fill* 0x00000000c0107bb7 0x1 00
|
||||
.text 0x00000000c0107bb8 0x1f5 mouse.o
|
||||
0x00000000c0107bb8 _mouse_init
|
||||
0x00000000c0107c58 _isr_mouse
|
||||
*fill* 0x00000000c0107dad 0x3 00
|
||||
.text 0x00000000c0107db0 0x8d stdfont.o
|
||||
0x00000000c0107db0 _stdfont_getFontWidth
|
||||
0x00000000c0107ddf _stdfont_getFontHeight
|
||||
0x00000000c0107e0e _stdfont_getBitmap
|
||||
*fill* 0x00000000c0107e3d 0x3 00
|
||||
.text 0x00000000c0107e40 0x5cf video.o
|
||||
0x00000000c0108289 _video_psetp32
|
||||
0x00000000c0107ec9 _video_renderChar
|
||||
0x00000000c01082d8 _video_getPhysBasePtr
|
||||
0x00000000c01081ad _video_rectf
|
||||
0x00000000c0108083 _video_pseti
|
||||
0x00000000c0107e40 _video_init
|
||||
0x00000000c01081f5 _video_psetp16
|
||||
0x00000000c0107f85 _video_horiz
|
||||
0x00000000c01082ec _video_line
|
||||
0x00000000c010823b _video_psetp24
|
||||
0x00000000c01082a4 _video_psetpnull
|
||||
0x00000000c0108155 _video_rect
|
||||
0x00000000c01082c9 _video_getBitsPerPixel
|
||||
0x00000000c010809e _video_vert
|
||||
0x00000000c01082a9 _video_getWidth
|
||||
0x00000000c01082b9 _video_getHeight
|
||||
0x00000000c01082e2 _video_Mode
|
||||
0x00000000c010802c _video_pset
|
||||
*fill* 0x00000000c010840f 0x1 00
|
||||
.text 0x00000000c0108410 0x833 vmm.o
|
||||
0x00000000c0108a17 _vmm_addHeapEntryBlock
|
||||
0x00000000c0108bbe _free
|
||||
0x00000000c01086ed _vmm_unmapn
|
||||
0x00000000c01086ac _vmm_unmap1
|
||||
0x00000000c0108b08 _vmm_getFirstHoleHeapEntry
|
||||
0x00000000c01089fb _vmm_nextHeapEntry
|
||||
0x00000000c010859e _vmm_map1
|
||||
0x00000000c010883a _vmm_coalesceHeapEntry
|
||||
0x00000000c0108904 _vmm_moreCore
|
||||
0x00000000c0108410 _vmm_init
|
||||
0x00000000c010871a _malloc
|
||||
0x00000000c0108b87 _vmm_heapEntriesLeft
|
||||
0x00000000c0108ad9 _vmm_getLastHeapEntry
|
||||
0x00000000c0108c08 _vmm_getHeapEntryByBase
|
||||
0x00000000c0108523 _vmm_heb_init
|
||||
0x00000000c010878d _vmm_getFreeChunk
|
||||
0x00000000c0108b4d _vmm_getFirstUnusedHeapEntry
|
||||
0x00000000c0108673 _vmm_mapn
|
||||
*fill* 0x00000000c0108c43 0x1 00
|
||||
.text 0x00000000c0108c44 0x25c rtc.o
|
||||
0x00000000c0108d3a _rtc_setDay
|
||||
0x00000000c0108e39 _rtc_setHour
|
||||
0x00000000c0108ce8 _rtc_readMinute
|
||||
0x00000000c0108c96 _rtc_readYear
|
||||
0x00000000c0108c44 _rtc_readDay
|
||||
0x00000000c0108d6d _rtc_setMonth
|
||||
0x00000000c0108d11 _rtc_readHour
|
||||
0x00000000c0108cbf _rtc_readSecond
|
||||
0x00000000c0108da0 _rtc_setYear
|
||||
0x00000000c0108dd3 _rtc_setSecond
|
||||
0x00000000c0108e06 _rtc_setMinute
|
||||
0x00000000c0108c6d _rtc_readMonth
|
||||
.text 0x00000000c0108ea0 0x120 pic.o
|
||||
0x00000000c0108ea0 _pic_remap
|
||||
.text 0x00000000c0108fc0 0x159 string.o
|
||||
0x00000000c0108fc0 _strcat
|
||||
0x00000000c0108fe8 _string_split
|
||||
0x00000000c0109045 _string_advance
|
||||
0x00000000c010909f _ucase
|
||||
0x00000000c010905e _rtrim
|
||||
0x00000000c01090dc _lcase
|
||||
*fill* 0x00000000c0109119 0x3 00
|
||||
.text 0x00000000c010911c 0xe4 cmos.o
|
||||
0x00000000c0109174 _cmos_gethd0
|
||||
0x00000000c010911c _cmos_getfd0
|
||||
0x00000000c01091a0 _cmos_gethd1
|
||||
0x00000000c0109148 _cmos_getfd1
|
||||
0x00000000c010a000 . = ALIGN (0x1000)
|
||||
*fill* 0x00000000c0109200 0x80b930000000e00 00
|
||||
|
||||
.data 0x00000000c010a000 0x1000
|
||||
0x00000000c010a000 data = .
|
||||
0x00000000c010a000 _data = .
|
||||
0x00000000c010a000 __data = .
|
||||
*(.data)
|
||||
.data 0x00000000c010a000 0x18 stdfont.o
|
||||
0x00000000c010a000 _fonts
|
||||
.data 0x00000000c010a018 0x10 video.o
|
||||
0x00000000c010a018 _vid_ptr16
|
||||
0x00000000c010a024 _video_psetp
|
||||
0x00000000c010a020 _vid_ptr32
|
||||
0x00000000c010a01c _vid_ptr24
|
||||
.data 0x00000000c010a028 0x4 vmm.o
|
||||
0x00000000c010a028 _firstHeapEntry
|
||||
0x00000000c010b000 . = ALIGN (0x1000)
|
||||
*fill* 0x00000000c010a02c 0x80b941400000fd4 00
|
||||
|
||||
.bss 0x00000000c010b000 0x221c0
|
||||
0x00000000c010b000 bss = .
|
||||
0x00000000c010b000 _bss = .
|
||||
0x00000000c010b000 __bss = .
|
||||
*(.bss)
|
||||
.bss 0x00000000c010b000 0x4 kernel.o
|
||||
0x00000000c010b000 _timer
|
||||
*fill* 0x00000000c010b004 0x4 00
|
||||
.bss 0x00000000c010b008 0xf keyboard.o
|
||||
0x00000000c010b014 _kbdExt
|
||||
0x00000000c010b009 _kbdAscii
|
||||
0x00000000c010b015 _kbdExt2
|
||||
0x00000000c010b016 _ackReason
|
||||
0x00000000c010b00c _kbdBufferStart
|
||||
0x00000000c010b00a _kbdScan
|
||||
0x00000000c010b010 _kbdBufferLen
|
||||
0x00000000c010b008 _kbdFlags
|
||||
*fill* 0x00000000c010b017 0x1 00
|
||||
.bss 0x00000000c010b018 0x4 kio.o
|
||||
0x00000000c010b018 _cursorPosition
|
||||
.bss 0x00000000c010b01c 0x8 mm.o
|
||||
0x00000000c010b020 _mm_megabytes
|
||||
0x00000000c010b01c _mm_totalmem
|
||||
.bss 0x00000000c010b024 0x4 mouse.o
|
||||
0x00000000c010b024 _mouse_bytesRead
|
||||
.bss 0x00000000c010b028 0x4 video.o
|
||||
0x00000000c010b028 _videoMode
|
||||
0x00000000c010c000 . = ALIGN (0x1000)
|
||||
*fill* 0x00000000c010b02c 0x80b952800000fd4 00
|
||||
COMMON 0x00000000c010c000 0x100 keyboard.o
|
||||
0x0 (size before relaxing)
|
||||
0x00000000c010c000 _kbdBuffer
|
||||
COMMON 0x00000000c010c100 0xfa0 kio.o
|
||||
0x0 (size before relaxing)
|
||||
0x00000000c010c100 _console_memory
|
||||
COMMON 0x00000000c010d0a0 0x20000 mm.o
|
||||
0x0 (size before relaxing)
|
||||
0x00000000c010d0a0 _page_bitmap
|
||||
COMMON 0x00000000c012d0a0 0x18 mouse.o
|
||||
0x0 (size before relaxing)
|
||||
0x00000000c012d0a0 _mouse_y
|
||||
0x00000000c012d0a4 _mouse_x
|
||||
0x00000000c012d0a8 _mouse_inbuffer
|
||||
*fill* 0x00000000c012d0b8 0x80b952800000008 00
|
||||
COMMON 0x00000000c012d0c0 0x100 video.o
|
||||
0x0 (size before relaxing)
|
||||
0x00000000c012d0c0 _video_mode
|
||||
0x00000000c012d1c0 end = .
|
||||
0x00000000c012d1c0 _end = .
|
||||
0x00000000c012d1c0 __end = .
|
||||
LOAD ks.o
|
||||
LOAD kernel.o
|
||||
LOAD asmfuncs.o
|
||||
LOAD fdc.o
|
||||
LOAD functions.o
|
||||
LOAD keyboard.o
|
||||
LOAD kio.o
|
||||
LOAD mm.o
|
||||
LOAD mouse.o
|
||||
LOAD stdfont.o
|
||||
LOAD video.o
|
||||
LOAD vmm.o
|
||||
LOAD rtc.o
|
||||
LOAD pic.o
|
||||
LOAD io.o
|
||||
LOAD string.o
|
||||
LOAD cmos.o
|
||||
OUTPUT(kernel.bin binary)
|
||||
|
||||
.rodata 0x00000000c012d1c0 0x1620
|
||||
.rodata 0x00000000c012d1c0 0x101 kernel.o
|
||||
*fill* 0x00000000c012d2c1 0xa0000001f 00
|
||||
.rodata 0x00000000c012d2e0 0x113 keyboard.o
|
||||
0x00000000c012d2e0 _SCAN2ASCII
|
||||
0x00000000c012d360 _SCAN2ASCIISHIFT
|
||||
*fill* 0x00000000c012d3f3 0xa00000001 00
|
||||
.rodata 0x00000000c012d3f4 0x1e4 kio.o
|
||||
*fill* 0x00000000c012d5d8 0xa00000008 00
|
||||
.rodata 0x00000000c012d5e0 0x1200 stdfont.o
|
||||
0x00000000c012d5e0 _stdfont8x5
|
||||
0x00000000c012dde0 _stdfont10x7
|
||||
|
||||
.note.GNU-stack
|
||||
0x0000000000000000 0x0
|
||||
|
||||
.comment 0x0000000000000000 0x2fd
|
||||
.comment 0x0000000000000000 0x33 kernel.o
|
||||
.comment 0x0000000000000033 0x33 fdc.o
|
||||
.comment 0x0000000000000066 0x33 functions.o
|
||||
.comment 0x0000000000000099 0x33 keyboard.o
|
||||
.comment 0x00000000000000cc 0x33 kio.o
|
||||
.comment 0x00000000000000ff 0x33 mm.o
|
||||
.comment 0x0000000000000132 0x33 mouse.o
|
||||
.comment 0x0000000000000165 0x33 stdfont.o
|
||||
.comment 0x0000000000000198 0x33 video.o
|
||||
.comment 0x00000000000001cb 0x33 vmm.o
|
||||
.comment 0x00000000000001fe 0x33 rtc.o
|
||||
.comment 0x0000000000000231 0x33 pic.o
|
||||
.comment 0x0000000000000264 0x33 io.o
|
||||
.comment 0x0000000000000297 0x33 string.o
|
||||
.comment 0x00000000000002ca 0x33 cmos.o
|
||||
@ -1,510 +0,0 @@
|
||||
1 ; asmfuncs.asm
|
||||
2 ; Josh Holtrop
|
||||
3 ; Created: 10/23/03
|
||||
4 ; Modified: 02/26/04
|
||||
5
|
||||
6 [extern _putc]
|
||||
7 [extern _console_memory]
|
||||
8 [extern _cursorPosition]
|
||||
9 [extern _video_drawConsole]
|
||||
10 [extern _videoMode]
|
||||
11
|
||||
12 %macro jzfar 1
|
||||
13 jnz %%skip
|
||||
14 jmp %1
|
||||
15 %%skip:
|
||||
16
|
||||
17 %endmacro
|
||||
18
|
||||
19 ;stores the parameter to the CR0 register
|
||||
20 ;extern dword write_cr0(dword cr0);
|
||||
21 [global _write_cr0]
|
||||
22 _write_cr0:
|
||||
23 00000000 55 push ebp
|
||||
24 00000001 89E5 mov ebp, esp
|
||||
25 00000003 8B4508 mov eax, [ebp+8]
|
||||
26 00000006 0F22C0 mov cr0, eax
|
||||
27 00000009 5D pop ebp
|
||||
28 0000000A C3 ret
|
||||
29
|
||||
30 ;returns the value in the CR0 register
|
||||
31 ;extern dword read_cr0();
|
||||
32 [global _read_cr0]
|
||||
33 _read_cr0:
|
||||
34 0000000B 0F20C0 mov eax, cr0;
|
||||
35 0000000E C3 ret
|
||||
36
|
||||
37 ;stores the parameter to the CR3 register
|
||||
38 ;extern dword write_cr3(dword cr3);
|
||||
39 [global _write_cr3]
|
||||
40 _write_cr3:
|
||||
41 0000000F 55 push ebp
|
||||
42 00000010 89E5 mov ebp, esp
|
||||
43 00000012 8B4508 mov eax, [ebp+8]
|
||||
44 00000015 0F22D8 mov cr3, eax
|
||||
45 00000018 5D pop ebp
|
||||
46 00000019 C3 ret
|
||||
47
|
||||
48
|
||||
49 ;returns the value in the CR2 register
|
||||
50 ;extern dword read_cr2();
|
||||
51 [global _read_cr2]
|
||||
52 _read_cr2:
|
||||
53 0000001A 0F20D0 mov eax, cr2;
|
||||
54 0000001D C3 ret
|
||||
55
|
||||
56
|
||||
57
|
||||
58 ;returns the value in the CR3 register
|
||||
59 ;extern dword read_cr3();
|
||||
60 [global _read_cr3]
|
||||
61 _read_cr3:
|
||||
62 0000001E 0F20D8 mov eax, cr3;
|
||||
63 00000021 C3 ret
|
||||
64
|
||||
65
|
||||
66 ;compares one string to another
|
||||
67 ;returns 0 if the strings are different
|
||||
68 ;extern dword strcmp(char *str1, char *str2);
|
||||
69 [global _strcmp]
|
||||
70 _strcmp:
|
||||
71 00000022 55 push ebp
|
||||
72 00000023 89E5 mov ebp, esp
|
||||
73 00000025 56 push esi
|
||||
74 00000026 57 push edi
|
||||
75
|
||||
76 00000027 8B7508 mov esi, [ebp+8]
|
||||
77 0000002A 8B7D0C mov edi, [ebp+12]
|
||||
78 strcmp_loop1:
|
||||
79 0000002D AC lodsb
|
||||
80 0000002E 8A27 mov ah, [edi]
|
||||
81 00000030 47 inc edi
|
||||
82 00000031 38C4 cmp ah, al
|
||||
83 00000033 750D jnz strcmp_ne
|
||||
84 00000035 08C0 or al, al
|
||||
85 00000037 7402 jz strcmp_e
|
||||
86 00000039 EBF2 jmp strcmp_loop1
|
||||
87 strcmp_e:
|
||||
88 0000003B B801000000 mov eax, 1
|
||||
89 00000040 EB02 jmp short strcmp_done
|
||||
90 strcmp_ne:
|
||||
91 00000042 31C0 xor eax, eax
|
||||
92 strcmp_done:
|
||||
93
|
||||
94 00000044 5F pop edi
|
||||
95 00000045 5E pop esi
|
||||
96 00000046 5D pop ebp
|
||||
97 00000047 C3 ret
|
||||
98
|
||||
99 ;copies a string from the source to the destination parameter
|
||||
100 ;extern void strcpy(char *dest, char *src);
|
||||
101 [global _strcpy]
|
||||
102 _strcpy:
|
||||
103 00000048 55 push ebp
|
||||
104 00000049 89E5 mov ebp, esp
|
||||
105 0000004B 56 push esi
|
||||
106 0000004C 57 push edi
|
||||
107 0000004D 8B7D08 mov edi, [ebp+8]
|
||||
108 00000050 8B750C mov esi, [ebp+12]
|
||||
109 strcpyloop:
|
||||
110 00000053 AC lodsb
|
||||
111 00000054 AA stosb
|
||||
112 00000055 08C0 or al, al
|
||||
113 00000057 75FA jnz strcpyloop
|
||||
114 00000059 5F pop edi
|
||||
115 0000005A 5E pop esi
|
||||
116 0000005B 5D pop ebp
|
||||
117 0000005C C3 ret
|
||||
118
|
||||
119 ;copies memory of n bytes from src to destination
|
||||
120 ;void memcpy(void *dest, void *src, dword n);
|
||||
121 [global _memcpy]
|
||||
122 _memcpy:
|
||||
123 0000005D 55 push ebp
|
||||
124 0000005E 89E5 mov ebp, esp
|
||||
125 00000060 56 push esi
|
||||
126 00000061 57 push edi
|
||||
127 00000062 51 push ecx
|
||||
128 00000063 8B7D08 mov edi, [ebp+8]
|
||||
129 00000066 8B750C mov esi, [ebp+12]
|
||||
130 00000069 8B4D10 mov ecx, [ebp+16]
|
||||
131
|
||||
132 0000006C FC cld
|
||||
133 0000006D F3A4 rep movsb
|
||||
134
|
||||
135 0000006F 59 pop ecx
|
||||
136 00000070 5F pop edi
|
||||
137 00000071 5E pop esi
|
||||
138 00000072 5D pop ebp
|
||||
139 00000073 C3 ret
|
||||
140
|
||||
141
|
||||
142 ;copies memory of n dwords (n*4 bytes) from src to destination
|
||||
143 ;void memcpyd(void *dest, void *src, dword n);
|
||||
144 [global _memcpyd]
|
||||
145 _memcpyd:
|
||||
146 00000074 55 push ebp
|
||||
147 00000075 89E5 mov ebp, esp
|
||||
148 00000077 56 push esi
|
||||
149 00000078 57 push edi
|
||||
150 00000079 51 push ecx
|
||||
151 0000007A 8B7D08 mov edi, [ebp+8]
|
||||
152 0000007D 8B750C mov esi, [ebp+12]
|
||||
153 00000080 8B4D10 mov ecx, [ebp+16]
|
||||
154
|
||||
155 00000083 FC cld
|
||||
156 00000084 F3A5 rep movsd
|
||||
157
|
||||
158 00000086 59 pop ecx
|
||||
159 00000087 5F pop edi
|
||||
160 00000088 5E pop esi
|
||||
161 00000089 5D pop ebp
|
||||
162 0000008A C3 ret
|
||||
163
|
||||
164
|
||||
165 ;sets num bytes at buffer to the value of c
|
||||
166 ;void *memset(void *buffer, int c, int num);
|
||||
167 [global _memset]
|
||||
168 _memset:
|
||||
169 0000008B 55 push ebp
|
||||
170 0000008C 89E5 mov ebp, esp
|
||||
171 0000008E 57 push edi
|
||||
172 0000008F 51 push ecx
|
||||
173 00000090 8B7D08 mov edi, [ebp+8]
|
||||
174 00000093 57 push edi ;save for return address
|
||||
175 00000094 8B450C mov eax, [ebp+12]
|
||||
176 00000097 8B4D10 mov ecx, [ebp+16]
|
||||
177
|
||||
178 0000009A F3AA rep stosb
|
||||
179
|
||||
180 0000009C 58 pop eax
|
||||
181 0000009D 59 pop ecx
|
||||
182 0000009E 5F pop edi
|
||||
183 0000009F 5D pop ebp
|
||||
184 000000A0 C3 ret
|
||||
185
|
||||
186
|
||||
187 ;sets num words at buffer to the value of c
|
||||
188 ;void *memsetw(void *buffer, int c, int num);
|
||||
189 [global _memsetw]
|
||||
190 _memsetw:
|
||||
191 000000A1 55 push ebp
|
||||
192 000000A2 89E5 mov ebp, esp
|
||||
193 000000A4 57 push edi
|
||||
194 000000A5 51 push ecx
|
||||
195 000000A6 8B7D08 mov edi, [ebp+8]
|
||||
196 000000A9 57 push edi ;save for return address
|
||||
197 000000AA 8B450C mov eax, [ebp+12]
|
||||
198 000000AD 8B4D10 mov ecx, [ebp+16]
|
||||
199
|
||||
200 000000B0 F366AB rep stosw
|
||||
201
|
||||
202 000000B3 58 pop eax
|
||||
203 000000B4 59 pop ecx
|
||||
204 000000B5 5F pop edi
|
||||
205 000000B6 5D pop ebp
|
||||
206 000000B7 C3 ret
|
||||
207
|
||||
208
|
||||
209 ;sets num dwords at buffer to the value of c
|
||||
210 ;void *memsetd(void *buffer, int c, int num);
|
||||
211 [global _memsetd]
|
||||
212 _memsetd:
|
||||
213 000000B8 55 push ebp
|
||||
214 000000B9 89E5 mov ebp, esp
|
||||
215 000000BB 57 push edi
|
||||
216 000000BC 51 push ecx
|
||||
217 000000BD 8B7D08 mov edi, [ebp+8]
|
||||
218 000000C0 57 push edi ;save for return address
|
||||
219 000000C1 8B450C mov eax, [ebp+12]
|
||||
220 000000C4 8B4D10 mov ecx, [ebp+16]
|
||||
221
|
||||
222 000000C7 F3AB rep stosd
|
||||
223
|
||||
224 000000C9 58 pop eax
|
||||
225 000000CA 59 pop ecx
|
||||
226 000000CB 5F pop edi
|
||||
227 000000CC 5D pop ebp
|
||||
228 000000CD C3 ret
|
||||
229
|
||||
230
|
||||
231 ;returns the number of characters in a string
|
||||
232 ;extern dword strlen(char *str);
|
||||
233 [global _strlen]
|
||||
234 _strlen:
|
||||
235 000000CE 55 push ebp
|
||||
236 000000CF 89E5 mov ebp, esp
|
||||
237 000000D1 56 push esi
|
||||
238 000000D2 53 push ebx
|
||||
239 000000D3 8B7508 mov esi, [ebp+8]
|
||||
240 000000D6 31DB xor ebx, ebx
|
||||
241 strlenloop:
|
||||
242 000000D8 AC lodsb
|
||||
243 000000D9 08C0 or al, al
|
||||
244 000000DB 7403 jz strlendone
|
||||
245 000000DD 43 inc ebx
|
||||
246 000000DE EBF8 jmp strlenloop
|
||||
247 strlendone:
|
||||
248 000000E0 89D8 mov eax, ebx
|
||||
249 000000E2 5B pop ebx
|
||||
250 000000E3 5E pop esi
|
||||
251 000000E4 5D pop ebp
|
||||
252 000000E5 C3 ret
|
||||
253
|
||||
254 ;this function invalidates the page directory/table entry that
|
||||
255 ; would be used to access the memory address given in the parameter
|
||||
256 ;extern void invlpg_(dword addr);
|
||||
257 [global _invlpg_]
|
||||
258 _invlpg_:
|
||||
259 000000E6 8B442404 mov eax, [esp+4]
|
||||
260 000000EA 0F0138 invlpg [eax]
|
||||
261 000000ED C3 ret
|
||||
262
|
||||
263
|
||||
264 ;
|
||||
265 ;void writeCursorPosition(word pos)
|
||||
266 ;
|
||||
267 [global _writeCursorPosition]
|
||||
268 _writeCursorPosition:
|
||||
269 000000EE 55 push ebp
|
||||
270 000000EF 89E5 mov ebp, esp
|
||||
271
|
||||
272 000000F1 50 push eax
|
||||
273 000000F2 53 push ebx
|
||||
274 000000F3 52 push edx
|
||||
275
|
||||
276 000000F4 8B4508 mov eax, [ebp+8] ;cursor position in ax
|
||||
277
|
||||
278 000000F7 88C3 mov bl, al
|
||||
279 000000F9 66BAD403 mov dx, 0x03D4
|
||||
280 000000FD B00E mov al, 0x0E
|
||||
281 000000FF EE out dx, al
|
||||
282
|
||||
283 00000100 6642 inc dx
|
||||
284 00000102 88E0 mov al, ah
|
||||
285 00000104 EE out dx, al
|
||||
286
|
||||
287 00000105 664A dec dx
|
||||
288 00000107 B00F mov al, 0x0F
|
||||
289 00000109 EE out dx, al
|
||||
290
|
||||
291 0000010A 6642 inc dx
|
||||
292 0000010C 88D8 mov al, bl
|
||||
293 0000010E EE out dx, al
|
||||
294
|
||||
295 0000010F 5A pop edx
|
||||
296 00000110 5B pop ebx
|
||||
297 00000111 58 pop eax
|
||||
298 00000112 5D pop ebp
|
||||
299
|
||||
300 00000113 C3 ret
|
||||
301
|
||||
302
|
||||
303 ;
|
||||
304 ;word getCursorPosition()
|
||||
305 ;
|
||||
306 [global _getCursorPosition]
|
||||
307 _getCursorPosition:
|
||||
308 00000114 53 push ebx
|
||||
309 00000115 52 push edx
|
||||
310
|
||||
311 00000116 31C0 xor eax, eax
|
||||
312 00000118 66BAD403 mov dx, 0x03D4
|
||||
313 0000011C B00E mov al, 0x0E
|
||||
314 0000011E EE out dx, al
|
||||
315
|
||||
316 0000011F 6642 inc dx
|
||||
317 00000121 EC in al, dx
|
||||
318 00000122 88C3 mov bl, al
|
||||
319
|
||||
320 00000124 664A dec dx
|
||||
321 00000126 B00F mov al, 0x0F
|
||||
322 00000128 EE out dx, al
|
||||
323
|
||||
324 00000129 6642 inc dx
|
||||
325 0000012B EC in al, dx
|
||||
326 0000012C 88DC mov ah, bl
|
||||
327
|
||||
328 0000012E 5A pop edx
|
||||
329 0000012F 5B pop ebx
|
||||
330
|
||||
331 00000130 C3 ret
|
||||
332
|
||||
333
|
||||
334 ;
|
||||
335 ;int puts(char *str)
|
||||
336 ;
|
||||
337 [global _puts]
|
||||
338 _puts:
|
||||
339 00000131 55 push ebp
|
||||
340 00000132 89E5 mov ebp, esp
|
||||
341 00000134 56 push esi
|
||||
342 00000135 50 push eax
|
||||
343 00000136 8B7508 mov esi, [ebp+8] ;esi = to string
|
||||
344 puts_loop:
|
||||
345 00000139 AC lodsb
|
||||
346 0000013A 3C00 cmp al, 0
|
||||
347 0000013C 740E jz puts_done
|
||||
348 0000013E 50 push eax
|
||||
349 0000013F E8(00000000) call _putc
|
||||
350 00000144 81C404000000 add esp, 4
|
||||
351 0000014A EBED jmp puts_loop
|
||||
352
|
||||
353 puts_done:
|
||||
354 0000014C 58 pop eax
|
||||
355 0000014D 5E pop esi
|
||||
356 0000014E 5D pop ebp
|
||||
357 0000014F C3 ret
|
||||
358
|
||||
359
|
||||
360
|
||||
361
|
||||
362 [global _putDecu]
|
||||
363 _putDecu:
|
||||
364 00000150 55 push ebp
|
||||
365 00000151 89E5 mov ebp, esp
|
||||
366 00000153 81EC18000000 sub esp, 24
|
||||
367 00000159 C745FC01000000 mov DWORD [ebp-4], 1
|
||||
368 00000160 C645FB00 mov BYTE [ebp-5], 0
|
||||
369 L2:
|
||||
370 00000164 8B5508 mov edx, DWORD [ebp+8]
|
||||
371 00000167 B8CDCCCCCC mov eax, -858993459
|
||||
372 0000016C F7E2 mul edx
|
||||
373 0000016E 89D0 mov eax, edx
|
||||
374 00000170 C1E803 shr eax, 3
|
||||
375 00000173 3B45FC cmp eax, DWORD [ebp-4]
|
||||
376 00000176 7305 jae L4
|
||||
377 00000178 E912000000 jmp L3
|
||||
378 L4:
|
||||
379 0000017D 8B45FC mov eax, DWORD [ebp-4]
|
||||
380 00000180 89C2 mov edx, eax
|
||||
381 00000182 C1E202 sal edx, 2
|
||||
382 00000185 01C2 add edx, eax
|
||||
383 00000187 8D0412 lea eax, [edx+edx]
|
||||
384 0000018A 8945FC mov DWORD [ebp-4], eax
|
||||
385 0000018D EBD5 jmp L2
|
||||
386 L3:
|
||||
387 0000018F 90 nop
|
||||
388 L5:
|
||||
389 00000190 817DFC01000000 cmp DWORD [ebp-4], 1
|
||||
390 00000197 7705 ja L7
|
||||
391 00000199 E959000000 jmp L6
|
||||
392 L7:
|
||||
393 0000019E 8B5508 mov edx, DWORD [ebp+8]
|
||||
394 000001A1 89D0 mov eax, edx
|
||||
395 000001A3 BA00000000 mov edx, 0
|
||||
396 000001A8 F775FC div DWORD [ebp-4]
|
||||
397 000001AB 8945F4 mov DWORD [ebp-12], eax
|
||||
398 000001AE 8A45F4 mov al, BYTE [ebp-12]
|
||||
399 000001B1 8845FB mov BYTE [ebp-5], al
|
||||
400 000001B4 B800000000 mov eax, 0
|
||||
401 000001B9 8A45FB mov al, BYTE [ebp-5]
|
||||
402 000001BC 0FAF45FC imul eax, DWORD [ebp-4]
|
||||
403 000001C0 294508 sub DWORD [ebp+8], eax
|
||||
404 000001C3 8B55FC mov edx, DWORD [ebp-4]
|
||||
405 000001C6 B8CDCCCCCC mov eax, -858993459
|
||||
406 000001CB F7E2 mul edx
|
||||
407 000001CD 89D0 mov eax, edx
|
||||
408 000001CF C1E803 shr eax, 3
|
||||
409 000001D2 8945FC mov DWORD [ebp-4], eax
|
||||
410 000001D5 8D45FB lea eax, [ebp-5]
|
||||
411 000001D8 800030 add BYTE [eax], 48
|
||||
412 000001DB 81EC0C000000 sub esp, 12
|
||||
413 000001E1 B800000000 mov eax, 0
|
||||
414 000001E6 8A45FB mov al, BYTE [ebp-5]
|
||||
415 000001E9 50 push eax
|
||||
416 000001EA E8(00000000) call _putc
|
||||
417 000001EF 81C410000000 add esp, 16
|
||||
418 000001F5 EB99 jmp L5
|
||||
419 L6:
|
||||
420 000001F7 81EC0C000000 sub esp, 12
|
||||
421 000001FD 8A4508 mov al, BYTE [ebp+8]
|
||||
422 00000200 0530000000 add eax, 48
|
||||
423 00000205 25FF000000 and eax, 255
|
||||
424 0000020A 50 push eax
|
||||
425 0000020B E8(00000000) call _putc
|
||||
426 00000210 81C410000000 add esp, 16
|
||||
427 00000216 C9 leave
|
||||
428 00000217 C3 ret
|
||||
429
|
||||
430
|
||||
431
|
||||
432
|
||||
433 [global _putDec]
|
||||
434 _putDec:
|
||||
435 00000218 55 push ebp
|
||||
436 00000219 89E5 mov ebp, esp
|
||||
437 0000021B 81EC18000000 sub esp, 24
|
||||
438 00000221 817D0800000000 cmp DWORD [ebp+8], 0
|
||||
439 00000228 7919 jns L9
|
||||
440 0000022A 81EC0C000000 sub esp, 12
|
||||
441 00000230 682D000000 push 45
|
||||
442 00000235 E8(00000000) call _putc
|
||||
443 0000023A 81C410000000 add esp, 16
|
||||
444 00000240 F75D08 neg DWORD [ebp+8]
|
||||
445 L9:
|
||||
446 00000243 C745FC01000000 mov DWORD [ebp-4], 1
|
||||
447 0000024A C645FB00 mov BYTE [ebp-5], 0
|
||||
448 L10:
|
||||
449 0000024E 8B4508 mov eax, DWORD [ebp+8]
|
||||
450 00000251 3B45FC cmp eax, DWORD [ebp-4]
|
||||
451 00000254 7305 jae L12
|
||||
452 00000256 E912000000 jmp L11
|
||||
453 L12:
|
||||
454 0000025B 8B45FC mov eax, DWORD [ebp-4]
|
||||
455 0000025E 89C2 mov edx, eax
|
||||
456 00000260 C1E202 sal edx, 2
|
||||
457 00000263 01C2 add edx, eax
|
||||
458 00000265 8D0412 lea eax, [edx+edx]
|
||||
459 00000268 8945FC mov DWORD [ebp-4], eax
|
||||
460 0000026B EBE1 jmp L10
|
||||
461 L11:
|
||||
462 0000026D 8B55FC mov edx, DWORD [ebp-4]
|
||||
463 00000270 B8CDCCCCCC mov eax, -858993459
|
||||
464 00000275 F7E2 mul edx
|
||||
465 00000277 89D0 mov eax, edx
|
||||
466 00000279 C1E803 shr eax, 3
|
||||
467 0000027C 8945FC mov DWORD [ebp-4], eax
|
||||
468 L13:
|
||||
469 0000027F 817DFC01000000 cmp DWORD [ebp-4], 1
|
||||
470 00000286 7705 ja L15
|
||||
471 00000288 E959000000 jmp L14
|
||||
472 L15:
|
||||
473 0000028D 8B5508 mov edx, DWORD [ebp+8]
|
||||
474 00000290 89D0 mov eax, edx
|
||||
475 00000292 BA00000000 mov edx, 0
|
||||
476 00000297 F775FC div DWORD [ebp-4]
|
||||
477 0000029A 8945F4 mov DWORD [ebp-12], eax
|
||||
478 0000029D 8A45F4 mov al, BYTE [ebp-12]
|
||||
479 000002A0 8845FB mov BYTE [ebp-5], al
|
||||
480 000002A3 B800000000 mov eax, 0
|
||||
481 000002A8 8A45FB mov al, BYTE [ebp-5]
|
||||
482 000002AB 0FAF45FC imul eax, DWORD [ebp-4]
|
||||
483 000002AF 294508 sub DWORD [ebp+8], eax
|
||||
484 000002B2 8B55FC mov edx, DWORD [ebp-4]
|
||||
485 000002B5 B8CDCCCCCC mov eax, -858993459
|
||||
486 000002BA F7E2 mul edx
|
||||
487 000002BC 89D0 mov eax, edx
|
||||
488 000002BE C1E803 shr eax, 3
|
||||
489 000002C1 8945FC mov DWORD [ebp-4], eax
|
||||
490 000002C4 8D45FB lea eax, [ebp-5]
|
||||
491 000002C7 800030 add BYTE [eax], 48
|
||||
492 000002CA 81EC0C000000 sub esp, 12
|
||||
493 000002D0 B800000000 mov eax, 0
|
||||
494 000002D5 8A45FB mov al, BYTE [ebp-5]
|
||||
495 000002D8 50 push eax
|
||||
496 000002D9 E8(00000000) call _putc
|
||||
497 000002DE 81C410000000 add esp, 16
|
||||
498 000002E4 EB99 jmp L13
|
||||
499 L14:
|
||||
500 000002E6 81EC0C000000 sub esp, 12
|
||||
501 000002EC 8A4508 mov al, BYTE [ebp+8]
|
||||
502 000002EF 0530000000 add eax, 48
|
||||
503 000002F4 25FF000000 and eax, 255
|
||||
504 000002F9 50 push eax
|
||||
505 000002FA E8(00000000) call _putc
|
||||
506 000002FF 81C410000000 add esp, 16
|
||||
507 00000305 C9 leave
|
||||
508 00000306 C3 ret
|
||||
509
|
||||
510
|
||||
@ -1,492 +0,0 @@
|
||||
1 ;kernel.asm
|
||||
2 ;Author: Josh Holtrop
|
||||
3 ;Date: 10/30/03
|
||||
4 ;Modified: 10/30/03
|
||||
5
|
||||
6 %define GDT_P 0x100000; ;1mb physical - Global Descriptor Table space
|
||||
7 %define GDT_V GDT_P+0xC0000000
|
||||
8 %define IDT_P 0x102000 ;1mb+8kb - Interrupt Descriptor Table space
|
||||
9 %define IDT_V IDT_P+0xC0000000
|
||||
10 %define PDBR_P 0x104000 ;1mb+16kb - Page Directory Base Register (first PD)
|
||||
11 %define PDBR_V PDBR_P+0xC0000000
|
||||
12 %define LOPT_P 0x105000 ;1mb+20kb - LOw Page Table for mapping first 4mb
|
||||
13 %define LOPT_V LOPT_P+0xC0000000
|
||||
14 %define KERNEL_P 0x106000 ;1mb+24kb - the kernel's physical address
|
||||
15 %define KERNEL_V KERNEL_P+0xC0000000 ;3gb+1mb+24kb, the virtual address of the kernel
|
||||
16
|
||||
17 [global _start]
|
||||
18 [extern _isr]
|
||||
19 [extern _k_init]
|
||||
20 [extern _putc]
|
||||
21
|
||||
22 bits 32
|
||||
23
|
||||
24 ;This is where the kernel begins execution
|
||||
25 ;At this point, the temporary gdt is set up to "map" 0xC000_0000 to 0x0.
|
||||
26 ;We must enable paging with the first 4mb mapped 1:1 virtual:physical
|
||||
27 ; and with the 4mb starting at 0xC000_0000 mapped to the first 4mb physical.
|
||||
28 ;Then we can start using our "real" gdt, then unmap the lower 4mb.
|
||||
29 _start:
|
||||
30 00000000 FA cli ;if they weren't already off
|
||||
31
|
||||
32 00000001 31C0 xor eax, eax
|
||||
33 00000003 BF004010C0 mov edi, PDBR_V
|
||||
34 00000008 B900040000 mov ecx, 1024 ;clear the PDBR
|
||||
35 0000000D F3AB rep stosd
|
||||
36 0000000F C705004010C0035010- mov [PDBR_V], dword LOPT_P|0x03 ;store the physical address of the LOw Page Table (read/write, present)
|
||||
37 00000018 00
|
||||
38 00000019 C705004C10C0035010- mov [PDBR_V+0xC00], dword LOPT_P|0x03 ;store the physical address of the LOw Page Table (read/write, present)
|
||||
39 00000022 00
|
||||
40
|
||||
41 00000023 BF005010C0 mov edi, LOPT_V
|
||||
42 00000028 B900040000 mov ecx, 1024
|
||||
43 0000002D B803000000 mov eax, 0x03 ;starting physical address = 0x0 (read/write, present flags)
|
||||
44 fill_lopt_loop: ;fill the page table
|
||||
45 00000032 AB stosd
|
||||
46 00000033 0500100000 add eax, 4096 ;increment next phsyical address by 4kb
|
||||
47 00000038 E2F8 loop fill_lopt_loop
|
||||
48
|
||||
49 0000003A B800401000 mov eax, PDBR_P
|
||||
50 0000003F 0F22D8 mov cr3, eax ;store the Page Directory Base Address
|
||||
51 00000042 0F20C0 mov eax, cr0
|
||||
52 00000045 0D00000080 or eax, 0x80000000 ;set page enable bit
|
||||
53 0000004A 0F22C0 mov cr0, eax ;now paging is active!
|
||||
54
|
||||
55
|
||||
56 0000004D BF000010C0 mov edi, GDT_V
|
||||
57 00000052 BE[D4000000] mov esi, gdt
|
||||
58 00000057 B948000000 mov ecx, gdt_end-gdt
|
||||
59 copy_gdt:
|
||||
60 0000005C AC lodsb
|
||||
61 0000005D AA stosb
|
||||
62 0000005E E2FC loop copy_gdt
|
||||
63
|
||||
64 00000060 BF002010C0 mov edi, IDT_V ;destination
|
||||
65 00000065 BE[22010000] mov esi, isr_0 ;address of isr0
|
||||
66 0000006A BA0B000000 mov edx, isr_1-isr_0 ;distance between isr labels
|
||||
67 0000006F B932000000 mov ecx, 50 ;number of isrlabels
|
||||
68 fill_idt:
|
||||
69 00000074 89F3 mov ebx, esi
|
||||
70 00000076 6689F0 mov ax, si
|
||||
71 00000079 66AB stosw ;0 offset 15:0
|
||||
72 0000007B 66B80800 mov ax, KERNEL_CODE
|
||||
73 0000007F 66AB stosw ;2 selector 15:0
|
||||
74 00000081 66B8008E mov ax, 0x8E00
|
||||
75 00000085 66AB stosw ;4 [P][DPL][0][TYPE][0][0][0][0][0][0][0][0]
|
||||
76 00000087 C1EE10 shr esi, 16
|
||||
77 0000008A 6689F0 mov ax, si
|
||||
78 0000008D 66AB stosw ;6 offset 31:16
|
||||
79 0000008F 89DE mov esi, ebx
|
||||
80 00000091 01D6 add esi, edx
|
||||
81 00000093 E2DF loop fill_idt
|
||||
82 00000095 66C705842110C000EE mov word [IDT_V+0x30*8+4], 0xEE00 ;interrupt 0x30 has user priviledges
|
||||
83
|
||||
84 0000009E 0F0115[CE000000] lgdt [gdtr] ;load gdt
|
||||
85 000000A5 EA[AC000000]0800 jmp KERNEL_CODE:newgdtcontinue
|
||||
86 newgdtcontinue:
|
||||
87 000000AC 66B81000 mov ax, KERNEL_DATA
|
||||
88 000000B0 8EC0 mov es, ax
|
||||
89 000000B2 8ED8 mov ds, ax
|
||||
90 000000B4 8EE8 mov gs, ax
|
||||
91 000000B6 8EE0 mov fs, ax
|
||||
92 000000B8 8ED0 mov ss, ax
|
||||
93 000000BA BC000020C0 mov esp, 0xc0200000 ;stack just under 3gb+2mb, moves downward
|
||||
94 000000BF 0F011D[1C010000] lidt [idtr] ;load idt
|
||||
95
|
||||
96 000000C6 E8(00000000) call _k_init
|
||||
97 haltit:
|
||||
98 000000CB F4 hlt ;halt processor when k_init is done
|
||||
99 000000CC EBFD jmp haltit ;shouldn't get here...
|
||||
100
|
||||
101 %include "gdt.inc"
|
||||
102 <1> ;gdt.inc
|
||||
103 <1> ;Author: Josh Holtrop
|
||||
104 <1> ;Date: 10/30/03
|
||||
105 <1> ;Modified: 03/02/04
|
||||
106 <1>
|
||||
107 <1> gdtr:
|
||||
108 000000CE 4700 <1> dw gdt_end-gdt-1
|
||||
109 000000D0 000010C0 <1> dd GDT_V
|
||||
110 <1> gdt:
|
||||
111 000000D4 00000000 <1> dd 0
|
||||
112 000000D8 00000000 <1> dd 0
|
||||
113 <1> KERNEL_CODE equ $-gdt
|
||||
114 000000DC FFFF <1> dw 0xffff ;limit 15:0
|
||||
115 000000DE 0000 <1> dw 0x0000 ;base 15:0
|
||||
116 000000E0 00 <1> db 0x00 ;base 23:16
|
||||
117 000000E1 9A <1> db 0x9A ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
118 000000E2 CF <1> db 0xCF ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
119 000000E3 00 <1> db 0x00 ;base 31:24
|
||||
120 <1> KERNEL_DATA equ $-gdt
|
||||
121 000000E4 FFFF <1> dw 0xffff ;limit 15:0
|
||||
122 000000E6 0000 <1> dw 0x0000 ;base 15:0
|
||||
123 000000E8 00 <1> db 0x00 ;base 23:16
|
||||
124 000000E9 92 <1> db 0x92 ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
125 000000EA CF <1> db 0xCF ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
126 000000EB 00 <1> db 0x00 ;base 31:24
|
||||
127 <1> USER_CODE equ $-gdt
|
||||
128 000000EC FFFF <1> dw 0xffff ;limit 15:0
|
||||
129 000000EE 0000 <1> dw 0x0000 ;base 15:0
|
||||
130 000000F0 00 <1> db 0x00 ;base 23:16
|
||||
131 000000F1 FA <1> db 0xFA ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
132 000000F2 CF <1> db 0xCF ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
133 000000F3 00 <1> db 0x00 ;base 31:24
|
||||
134 <1> USER_DATA equ $-gdt
|
||||
135 000000F4 FFFF <1> dw 0xffff ;limit 15:0
|
||||
136 000000F6 0000 <1> dw 0x0000 ;base 15:0
|
||||
137 000000F8 00 <1> db 0x00 ;base 23:16
|
||||
138 000000F9 F2 <1> db 0xF2 ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
139 000000FA CF <1> db 0xCF ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
140 000000FB 00 <1> db 0x00 ;base 31:24
|
||||
141 <1> gVESA_CODE equ $-gdt
|
||||
142 000000FC FFFF <1> dw 0xffff ;limit 15:0
|
||||
143 000000FE 0000 <1> dw 0x0000 ;base 15:0
|
||||
144 00000100 00 <1> db 0x00 ;base 23:16
|
||||
145 00000101 9A <1> db 0x9A ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
146 00000102 40 <1> db 0x40 ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
147 00000103 00 <1> db 0x00 ;base 31:24
|
||||
148 <1> VESA_DATA equ $-gdt
|
||||
149 00000104 FFFF <1> dw 0xffff ;limit 15:0
|
||||
150 00000106 0000 <1> dw 0x0000 ;base 15:0
|
||||
151 00000108 00 <1> db 0x00 ;base 23:16
|
||||
152 00000109 92 <1> db 0x92 ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
153 0000010A 40 <1> db 0x40 ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
154 0000010B 00 <1> db 0x00 ;base 31:24
|
||||
155 <1> VIDEO_TEXT equ $-gdt
|
||||
156 0000010C FF7F <1> dw 0x7FFF ;limit 15:0
|
||||
157 0000010E 0080 <1> dw 0x8000 ;base 15:0
|
||||
158 00000110 0B <1> db 0x0B ;base 23:16
|
||||
159 00000111 92 <1> db 0x92 ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
160 00000112 40 <1> db 0x40 ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
161 00000113 00 <1> db 0x00 ;base 31:24
|
||||
162 <1> VIDEO_GRAPHICS equ $-gdt
|
||||
163 00000114 FFFF <1> dw 0xFFFF ;limit 15:0
|
||||
164 00000116 0000 <1> dw 0x0000 ;base 15:0
|
||||
165 00000118 0A <1> db 0x0A ;base 23:16
|
||||
166 00000119 92 <1> db 0x92 ;access ([P][DPL][1][Executable][Direction/Conforming][Writable/Readable][A])
|
||||
167 0000011A 40 <1> db 0x40 ;flags ([G][D/B][0][0]) / limit 19:16
|
||||
168 0000011B 00 <1> db 0x00 ;base 31:24
|
||||
169 <1> gdt_end:
|
||||
170 <1>
|
||||
171 <1>
|
||||
172 <1>
|
||||
173 %include "idt.inc"
|
||||
174 <1> ;idt.inc
|
||||
175 <1> ;Author: Josh Holtrop
|
||||
176 <1> ;Date: 10/30/03
|
||||
177 <1> ;Modified: 03/02/04
|
||||
178 <1>
|
||||
179 <1> idtr:
|
||||
180 0000011C 8F01 <1> dw 50*8-1 ;size of idt
|
||||
181 0000011E 002010C0 <1> dd IDT_V ;address of idt
|
||||
182 <1>
|
||||
183 <1>
|
||||
184 <1> %macro isr_label 1
|
||||
185 <1> isr_%1:
|
||||
186 <1> push eax
|
||||
187 <1> mov eax, %1
|
||||
188 <1> jmp isr_main
|
||||
189 <1> %endmacro
|
||||
190 <1>
|
||||
191 <1> isr_label 0
|
||||
192 <2> isr_%1:
|
||||
193 00000122 50 <2> push eax
|
||||
194 00000123 B800000000 <2> mov eax, %1
|
||||
195 00000128 E91B020000 <2> jmp isr_main
|
||||
196 <1> isr_label 1
|
||||
197 <2> isr_%1:
|
||||
198 0000012D 50 <2> push eax
|
||||
199 0000012E B801000000 <2> mov eax, %1
|
||||
200 00000133 E910020000 <2> jmp isr_main
|
||||
201 <1> isr_label 2
|
||||
202 <2> isr_%1:
|
||||
203 00000138 50 <2> push eax
|
||||
204 00000139 B802000000 <2> mov eax, %1
|
||||
205 0000013E E905020000 <2> jmp isr_main
|
||||
206 <1> isr_label 3
|
||||
207 <2> isr_%1:
|
||||
208 00000143 50 <2> push eax
|
||||
209 00000144 B803000000 <2> mov eax, %1
|
||||
210 00000149 E9FA010000 <2> jmp isr_main
|
||||
211 <1> isr_label 4
|
||||
212 <2> isr_%1:
|
||||
213 0000014E 50 <2> push eax
|
||||
214 0000014F B804000000 <2> mov eax, %1
|
||||
215 00000154 E9EF010000 <2> jmp isr_main
|
||||
216 <1> isr_label 5
|
||||
217 <2> isr_%1:
|
||||
218 00000159 50 <2> push eax
|
||||
219 0000015A B805000000 <2> mov eax, %1
|
||||
220 0000015F E9E4010000 <2> jmp isr_main
|
||||
221 <1> isr_label 6
|
||||
222 <2> isr_%1:
|
||||
223 00000164 50 <2> push eax
|
||||
224 00000165 B806000000 <2> mov eax, %1
|
||||
225 0000016A E9D9010000 <2> jmp isr_main
|
||||
226 <1> isr_label 7
|
||||
227 <2> isr_%1:
|
||||
228 0000016F 50 <2> push eax
|
||||
229 00000170 B807000000 <2> mov eax, %1
|
||||
230 00000175 E9CE010000 <2> jmp isr_main
|
||||
231 <1> isr_label 8
|
||||
232 <2> isr_%1:
|
||||
233 0000017A 50 <2> push eax
|
||||
234 0000017B B808000000 <2> mov eax, %1
|
||||
235 00000180 E9C3010000 <2> jmp isr_main
|
||||
236 <1> isr_label 9
|
||||
237 <2> isr_%1:
|
||||
238 00000185 50 <2> push eax
|
||||
239 00000186 B809000000 <2> mov eax, %1
|
||||
240 0000018B E9B8010000 <2> jmp isr_main
|
||||
241 <1> isr_label 10
|
||||
242 <2> isr_%1:
|
||||
243 00000190 50 <2> push eax
|
||||
244 00000191 B80A000000 <2> mov eax, %1
|
||||
245 00000196 E9AD010000 <2> jmp isr_main
|
||||
246 <1> isr_label 11
|
||||
247 <2> isr_%1:
|
||||
248 0000019B 50 <2> push eax
|
||||
249 0000019C B80B000000 <2> mov eax, %1
|
||||
250 000001A1 E9A2010000 <2> jmp isr_main
|
||||
251 <1> isr_label 12
|
||||
252 <2> isr_%1:
|
||||
253 000001A6 50 <2> push eax
|
||||
254 000001A7 B80C000000 <2> mov eax, %1
|
||||
255 000001AC E997010000 <2> jmp isr_main
|
||||
256 <1> isr_label 13
|
||||
257 <2> isr_%1:
|
||||
258 000001B1 50 <2> push eax
|
||||
259 000001B2 B80D000000 <2> mov eax, %1
|
||||
260 000001B7 E98C010000 <2> jmp isr_main
|
||||
261 <1> isr_label 14
|
||||
262 <2> isr_%1:
|
||||
263 000001BC 50 <2> push eax
|
||||
264 000001BD B80E000000 <2> mov eax, %1
|
||||
265 000001C2 E981010000 <2> jmp isr_main
|
||||
266 <1> isr_label 15
|
||||
267 <2> isr_%1:
|
||||
268 000001C7 50 <2> push eax
|
||||
269 000001C8 B80F000000 <2> mov eax, %1
|
||||
270 000001CD E976010000 <2> jmp isr_main
|
||||
271 <1> isr_label 16
|
||||
272 <2> isr_%1:
|
||||
273 000001D2 50 <2> push eax
|
||||
274 000001D3 B810000000 <2> mov eax, %1
|
||||
275 000001D8 E96B010000 <2> jmp isr_main
|
||||
276 <1> isr_label 17
|
||||
277 <2> isr_%1:
|
||||
278 000001DD 50 <2> push eax
|
||||
279 000001DE B811000000 <2> mov eax, %1
|
||||
280 000001E3 E960010000 <2> jmp isr_main
|
||||
281 <1> isr_label 18
|
||||
282 <2> isr_%1:
|
||||
283 000001E8 50 <2> push eax
|
||||
284 000001E9 B812000000 <2> mov eax, %1
|
||||
285 000001EE E955010000 <2> jmp isr_main
|
||||
286 <1> isr_label 19
|
||||
287 <2> isr_%1:
|
||||
288 000001F3 50 <2> push eax
|
||||
289 000001F4 B813000000 <2> mov eax, %1
|
||||
290 000001F9 E94A010000 <2> jmp isr_main
|
||||
291 <1> isr_label 20
|
||||
292 <2> isr_%1:
|
||||
293 000001FE 50 <2> push eax
|
||||
294 000001FF B814000000 <2> mov eax, %1
|
||||
295 00000204 E93F010000 <2> jmp isr_main
|
||||
296 <1> isr_label 21
|
||||
297 <2> isr_%1:
|
||||
298 00000209 50 <2> push eax
|
||||
299 0000020A B815000000 <2> mov eax, %1
|
||||
300 0000020F E934010000 <2> jmp isr_main
|
||||
301 <1> isr_label 22
|
||||
302 <2> isr_%1:
|
||||
303 00000214 50 <2> push eax
|
||||
304 00000215 B816000000 <2> mov eax, %1
|
||||
305 0000021A E929010000 <2> jmp isr_main
|
||||
306 <1> isr_label 23
|
||||
307 <2> isr_%1:
|
||||
308 0000021F 50 <2> push eax
|
||||
309 00000220 B817000000 <2> mov eax, %1
|
||||
310 00000225 E91E010000 <2> jmp isr_main
|
||||
311 <1> isr_label 24
|
||||
312 <2> isr_%1:
|
||||
313 0000022A 50 <2> push eax
|
||||
314 0000022B B818000000 <2> mov eax, %1
|
||||
315 00000230 E913010000 <2> jmp isr_main
|
||||
316 <1> isr_label 25
|
||||
317 <2> isr_%1:
|
||||
318 00000235 50 <2> push eax
|
||||
319 00000236 B819000000 <2> mov eax, %1
|
||||
320 0000023B E908010000 <2> jmp isr_main
|
||||
321 <1> isr_label 26
|
||||
322 <2> isr_%1:
|
||||
323 00000240 50 <2> push eax
|
||||
324 00000241 B81A000000 <2> mov eax, %1
|
||||
325 00000246 E9FD000000 <2> jmp isr_main
|
||||
326 <1> isr_label 27
|
||||
327 <2> isr_%1:
|
||||
328 0000024B 50 <2> push eax
|
||||
329 0000024C B81B000000 <2> mov eax, %1
|
||||
330 00000251 E9F2000000 <2> jmp isr_main
|
||||
331 <1> isr_label 28
|
||||
332 <2> isr_%1:
|
||||
333 00000256 50 <2> push eax
|
||||
334 00000257 B81C000000 <2> mov eax, %1
|
||||
335 0000025C E9E7000000 <2> jmp isr_main
|
||||
336 <1> isr_label 29
|
||||
337 <2> isr_%1:
|
||||
338 00000261 50 <2> push eax
|
||||
339 00000262 B81D000000 <2> mov eax, %1
|
||||
340 00000267 E9DC000000 <2> jmp isr_main
|
||||
341 <1> isr_label 30
|
||||
342 <2> isr_%1:
|
||||
343 0000026C 50 <2> push eax
|
||||
344 0000026D B81E000000 <2> mov eax, %1
|
||||
345 00000272 E9D1000000 <2> jmp isr_main
|
||||
346 <1> isr_label 31
|
||||
347 <2> isr_%1:
|
||||
348 00000277 50 <2> push eax
|
||||
349 00000278 B81F000000 <2> mov eax, %1
|
||||
350 0000027D E9C6000000 <2> jmp isr_main
|
||||
351 <1> isr_label 32
|
||||
352 <2> isr_%1:
|
||||
353 00000282 50 <2> push eax
|
||||
354 00000283 B820000000 <2> mov eax, %1
|
||||
355 00000288 E9BB000000 <2> jmp isr_main
|
||||
356 <1> isr_label 33
|
||||
357 <2> isr_%1:
|
||||
358 0000028D 50 <2> push eax
|
||||
359 0000028E B821000000 <2> mov eax, %1
|
||||
360 00000293 E9B0000000 <2> jmp isr_main
|
||||
361 <1> isr_label 34
|
||||
362 <2> isr_%1:
|
||||
363 00000298 50 <2> push eax
|
||||
364 00000299 B822000000 <2> mov eax, %1
|
||||
365 0000029E E9A5000000 <2> jmp isr_main
|
||||
366 <1> isr_label 35
|
||||
367 <2> isr_%1:
|
||||
368 000002A3 50 <2> push eax
|
||||
369 000002A4 B823000000 <2> mov eax, %1
|
||||
370 000002A9 E99A000000 <2> jmp isr_main
|
||||
371 <1> isr_label 36
|
||||
372 <2> isr_%1:
|
||||
373 000002AE 50 <2> push eax
|
||||
374 000002AF B824000000 <2> mov eax, %1
|
||||
375 000002B4 E98F000000 <2> jmp isr_main
|
||||
376 <1> isr_label 37
|
||||
377 <2> isr_%1:
|
||||
378 000002B9 50 <2> push eax
|
||||
379 000002BA B825000000 <2> mov eax, %1
|
||||
380 000002BF E984000000 <2> jmp isr_main
|
||||
381 <1> isr_label 38
|
||||
382 <2> isr_%1:
|
||||
383 000002C4 50 <2> push eax
|
||||
384 000002C5 B826000000 <2> mov eax, %1
|
||||
385 000002CA E979000000 <2> jmp isr_main
|
||||
386 <1> isr_label 39
|
||||
387 <2> isr_%1:
|
||||
388 000002CF 50 <2> push eax
|
||||
389 000002D0 B827000000 <2> mov eax, %1
|
||||
390 000002D5 E96E000000 <2> jmp isr_main
|
||||
391 <1> isr_label 40
|
||||
392 <2> isr_%1:
|
||||
393 000002DA 50 <2> push eax
|
||||
394 000002DB B828000000 <2> mov eax, %1
|
||||
395 000002E0 E963000000 <2> jmp isr_main
|
||||
396 <1> isr_label 41
|
||||
397 <2> isr_%1:
|
||||
398 000002E5 50 <2> push eax
|
||||
399 000002E6 B829000000 <2> mov eax, %1
|
||||
400 000002EB E958000000 <2> jmp isr_main
|
||||
401 <1> isr_label 42
|
||||
402 <2> isr_%1:
|
||||
403 000002F0 50 <2> push eax
|
||||
404 000002F1 B82A000000 <2> mov eax, %1
|
||||
405 000002F6 E94D000000 <2> jmp isr_main
|
||||
406 <1> isr_label 43
|
||||
407 <2> isr_%1:
|
||||
408 000002FB 50 <2> push eax
|
||||
409 000002FC B82B000000 <2> mov eax, %1
|
||||
410 00000301 E942000000 <2> jmp isr_main
|
||||
411 <1> isr_label 44
|
||||
412 <2> isr_%1:
|
||||
413 00000306 50 <2> push eax
|
||||
414 00000307 B82C000000 <2> mov eax, %1
|
||||
415 0000030C E937000000 <2> jmp isr_main
|
||||
416 <1> isr_label 45
|
||||
417 <2> isr_%1:
|
||||
418 00000311 50 <2> push eax
|
||||
419 00000312 B82D000000 <2> mov eax, %1
|
||||
420 00000317 E92C000000 <2> jmp isr_main
|
||||
421 <1> isr_label 46
|
||||
422 <2> isr_%1:
|
||||
423 0000031C 50 <2> push eax
|
||||
424 0000031D B82E000000 <2> mov eax, %1
|
||||
425 00000322 E921000000 <2> jmp isr_main
|
||||
426 <1> isr_label 47
|
||||
427 <2> isr_%1:
|
||||
428 00000327 50 <2> push eax
|
||||
429 00000328 B82F000000 <2> mov eax, %1
|
||||
430 0000032D E916000000 <2> jmp isr_main
|
||||
431 <1> isr_label 48
|
||||
432 <2> isr_%1:
|
||||
433 00000332 50 <2> push eax
|
||||
434 00000333 B830000000 <2> mov eax, %1
|
||||
435 00000338 E90B000000 <2> jmp isr_main
|
||||
436 <1> isr_label 49
|
||||
437 <2> isr_%1:
|
||||
438 0000033D 50 <2> push eax
|
||||
439 0000033E B831000000 <2> mov eax, %1
|
||||
440 00000343 E900000000 <2> jmp isr_main
|
||||
441 <1>
|
||||
442 <1> isr_main:
|
||||
443 00000348 3D30000000 <1> cmp eax, 0x30
|
||||
444 0000034D 7414 <1> jz isr_syscall
|
||||
445 <1>
|
||||
446 0000034F 60 <1> pusha
|
||||
447 00000350 1E <1> push ds
|
||||
448 00000351 06 <1> push es
|
||||
449 <1>
|
||||
450 00000352 50 <1> push eax
|
||||
451 <1>
|
||||
452 00000353 E8(00000000) <1> call _isr
|
||||
453 <1>
|
||||
454 00000358 81C404000000 <1> add esp, 4
|
||||
455 <1>
|
||||
456 0000035E 07 <1> pop es
|
||||
457 0000035F 1F <1> pop ds
|
||||
458 00000360 61 <1> popa
|
||||
459 00000361 58 <1> pop eax
|
||||
460 <1>
|
||||
461 00000362 CF <1> iret
|
||||
462 <1>
|
||||
463 <1>
|
||||
464 <1> isr_syscall:
|
||||
465 00000363 58 <1> pop eax ;syscall function number
|
||||
466 00000364 60 <1> pusha
|
||||
467 00000365 1E <1> push ds
|
||||
468 00000366 06 <1> push es
|
||||
469 <1>
|
||||
470 <1> sc1:
|
||||
471 00000367 3D01000000 <1> cmp eax, 1 ;syscall 1 - putc
|
||||
472 0000036C 7511 <1> jnz sc2
|
||||
473 0000036E 53 <1> push ebx
|
||||
474 0000036F E8(00000000) <1> call _putc
|
||||
475 00000374 81C404000000 <1> add esp, 4
|
||||
476 0000037A E900000000 <1> jmp scdone
|
||||
477 <1> sc2:
|
||||
478 <1>
|
||||
479 <1> scdone:
|
||||
480 0000037F 07 <1> pop es
|
||||
481 00000380 1F <1> pop ds
|
||||
482 00000381 61 <1> popa
|
||||
483 00000382 CF <1> iret
|
||||
484 <1>
|
||||
485 <1>
|
||||
486 <1>
|
||||
487 <1>
|
||||
488 <1>
|
||||
489 <1>
|
||||
490 <1>
|
||||
491
|
||||
492
|
||||
Loading…
x
Reference in New Issue
Block a user