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base: gwdev:c9bd659f5c9f1ceee1742d8bdd0a3421c052f002
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gwdev:master
gwdev:integrated-bootloader
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compare: gwdev:633f6b925e3dd748aaabf1e68b39e94d0a4e4439
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gwdev:integrated-bootloader
gwdev:master

10 Commits
c9bd659f5c ... 633f6b925e

Author SHA1 Message Date
Curle
633f6b925e Add bitmap font. 
Half home-brand, adapted from font8x8 from the public domain.
 2019-07-24 01:39:53 +01:00
Curle
f88524a9b9 Starting memory management. 2019-07-24 01:39:12 +01:00
Curle
874e7e9a05 The print file. 
A whopper. Lots of printing functions, most of them internal.
No this doesn't mean actual physical printing, it's printf, etc.
 2019-07-24 01:39:00 +01:00
Curle
cdd8b7933f Remove inb and outb, since they have counterparts in ReadPort and WritePort. 2019-07-24 01:38:00 +01:00
Curle
f524eee6ff More minor changes. 
Header and graphics had some one-liners.
 2019-07-24 01:37:39 +01:00
Curle
80154dbb51 Update main kernel file and Utils for the new functions. 
Can't use term_x any more.
 2019-07-23 23:01:12 +01:00
Curle
15293681ea Add AVX memory prototypes, rename ResetDefaultScreen features to something more sensible. 2019-07-23 23:00:13 +01:00
Curle
d14da0af89 Add Graphics file. 
A few TODOs here, but nothing that can't be handled.
 2019-07-23 22:59:33 +01:00
Curle
67cbaad539 Add the bootstrap file. 
Provides all the functions necessary to get the kernel started, and to continue working in the future.
It is to be split up in the future.
 2019-07-23 20:32:24 +01:00
Curle
c795a936ae Fix some oversights in the header. 2019-07-23 19:27:47 +01:00
8 changed files with 2468 additions and 95 deletions
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include/bitfont/bitmapfont.h Normal file
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@ -0,0 +1,466 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
// This file contains all of the bitmap fonts made by me (Curle) and taken from the public domain
// eg. http://dimensionalrift.homelinux.net/combuster/mos3/?p=viewsource&file=/modules/gfx/font8_8.asm
const unsigned char bitfont_latin[128][8] = {
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0000 (nul)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0001
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0002
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0003
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0004
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0005
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0006
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0007
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0008
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0009
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000A
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000B
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000C
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000D
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000E
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000F
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0010
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0011
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0012
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0013
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0014
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0015
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0016
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0017
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0018
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0019
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001A
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001B
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001C
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001D
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001E
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001F
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0020 (space)
{ 0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00}, // U+0021 (!)
{ 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0022 (")
{ 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00}, // U+0023 (#)
{ 0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00}, // U+0024 ($)
{ 0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00}, // U+0025 (%)
{ 0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00}, // U+0026 (&)
{ 0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0027 (')
{ 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00}, // U+0028 (()
{ 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00}, // U+0029 ())
{ 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00}, // U+002A (*)
{ 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00}, // U+002B (+)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+002C (,)
{ 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00}, // U+002D (-)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+002E (.)
{ 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00}, // U+002F (/)
{ 0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00}, // U+0030 (0)
{ 0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00}, // U+0031 (1)
{ 0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00}, // U+0032 (2)
{ 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00}, // U+0033 (3)
{ 0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00}, // U+0034 (4)
{ 0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00}, // U+0035 (5)
{ 0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00}, // U+0036 (6)
{ 0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00}, // U+0037 (7)
{ 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+0038 (8)
{ 0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00}, // U+0039 (9)
{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+003A (:)
{ 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+003B (//)
{ 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00}, // U+003C (<)
{ 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00}, // U+003D (=)
{ 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00}, // U+003E (>)
{ 0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00}, // U+003F (?)
{ 0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00}, // U+0040 (@)
{ 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0041 (A)
{ 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0042 (B)
{ 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00}, // U+0043 (C)
{ 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00}, // U+0044 (D)
{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0045 (E)
{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00}, // U+0046 (F)
{ 0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00}, // U+0047 (G)
{ 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0048 (H)
{ 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0049 (I)
{ 0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00}, // U+004A (J)
{ 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+004B (K)
{ 0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00}, // U+004C (L)
{ 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+004D (M)
{ 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+004E (N)
{ 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+004F (O)
{ 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+0050 (P)
{ 0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00}, // U+0051 (Q)
{ 0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00}, // U+0052 (R)
{ 0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00}, // U+0053 (S)
{ 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0054 (T)
{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00}, // U+0055 (U)
{ 0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0056 (V)
{ 0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00}, // U+0057 (W)
{ 0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+0058 (X)
{ 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+0059 (Y)
{ 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+005A (Z)
{ 0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00}, // U+005B ([)
{ 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00}, // U+005C (\)
{ 0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00}, // U+005D (])
{ 0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00}, // U+005E (^)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+005F (_)
{ 0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0060 (`)
{ 0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00}, // U+0061 (a)
{ 0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00}, // U+0062 (b)
{ 0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00}, // U+0063 (c)
{ 0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00}, // U+0064 (d)
{ 0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00}, // U+0065 (e)
{ 0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00}, // U+0066 (f)
{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0067 (g)
{ 0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00}, // U+0068 (h)
{ 0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0069 (i)
{ 0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E}, // U+006A (j)
{ 0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00}, // U+006B (k)
{ 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+006C (l)
{ 0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00}, // U+006D (m)
{ 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00}, // U+006E (n)
{ 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+006F (o)
{ 0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+0070 (p)
{ 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78}, // U+0071 (q)
{ 0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00}, // U+0072 (r)
{ 0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00}, // U+0073 (s)
{ 0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0074 (t)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00}, // U+0075 (u)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0076 (v)
{ 0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00}, // U+0077 (w)
{ 0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00}, // U+0078 (x)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0079 (y)
{ 0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00}, // U+007A (z)
{ 0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00}, // U+007B ({)
{ 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+007C (|)
{ 0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00}, // U+007D (})
{ 0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007E (~)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // U+007F
};
const unsigned char bitfont_extra[96][8] = {
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+00A0 (no break space)
{ 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x00}, // U+00A1 (inverted !)
{ 0x18, 0x18, 0x7E, 0x03, 0x03, 0x7E, 0x18, 0x18}, // U+00A2 (dollarcents)
{ 0x1C, 0x36, 0x26, 0x0F, 0x06, 0x67, 0x3F, 0x00}, // U+00A3 (pound sterling)
{ 0x00, 0x00, 0x63, 0x3E, 0x36, 0x3E, 0x63, 0x00}, // U+00A4 (currency mark)
{ 0x33, 0x33, 0x1E, 0x3F, 0x0C, 0x3F, 0x0C, 0x0C}, // U+00A5 (yen)
{ 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+00A6 (broken pipe)
{ 0x7C, 0xC6, 0x1C, 0x36, 0x36, 0x1C, 0x33, 0x1E}, // U+00A7 (paragraph)
{ 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+00A8 (diaeresis)
{ 0x3C, 0x42, 0x99, 0x85, 0x85, 0x99, 0x42, 0x3C}, // U+00A9 (copyright symbol)
{ 0x3C, 0x36, 0x36, 0x7C, 0x00, 0x00, 0x00, 0x00}, // U+00AA (superscript a)
{ 0x00, 0xCC, 0x66, 0x33, 0x66, 0xCC, 0x00, 0x00}, // U+00AB (<<)
{ 0x00, 0x00, 0x00, 0x3F, 0x30, 0x30, 0x00, 0x00}, // U+00AC (gun pointing left)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+00AD (soft hyphen)
{ 0x3C, 0x42, 0x9D, 0xA5, 0x9D, 0xA5, 0x42, 0x3C}, // U+00AE (registered symbol)
{ 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+00AF (macron)
{ 0x1C, 0x36, 0x36, 0x1C, 0x00, 0x00, 0x00, 0x00}, // U+00B0 (degree)
{ 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x7E, 0x00}, // U+00B1 (plusminus)
{ 0x1C, 0x30, 0x18, 0x0C, 0x3C, 0x00, 0x00, 0x00}, // U+00B2 (superscript 2)
{ 0x1C, 0x30, 0x18, 0x30, 0x1C, 0x00, 0x00, 0x00}, // U+00B2 (superscript 3)
{ 0x18, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+00B2 (aigu)
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x3E, 0x06, 0x03}, // U+00B5 (mu)
{ 0xFE, 0xDB, 0xDB, 0xDE, 0xD8, 0xD8, 0xD8, 0x00}, // U+00B6 (pilcrow)
{ 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00}, // U+00B7 (central dot)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x1E}, // U+00B8 (cedille)
{ 0x08, 0x0C, 0x08, 0x1C, 0x00, 0x00, 0x00, 0x00}, // U+00B9 (superscript 1)
{ 0x1C, 0x36, 0x36, 0x1C, 0x00, 0x00, 0x00, 0x00}, // U+00BA (superscript 0)
{ 0x00, 0x33, 0x66, 0xCC, 0x66, 0x33, 0x00, 0x00}, // U+00BB (>>)
{ 0xC3, 0x63, 0x33, 0xBD, 0xEC, 0xF6, 0xF3, 0x03}, // U+00BC (1/4)
{ 0xC3, 0x63, 0x33, 0x7B, 0xCC, 0x66, 0x33, 0xF0}, // U+00BD (1/2)
{ 0x03, 0xC4, 0x63, 0xB4, 0xDB, 0xAC, 0xE6, 0x80}, // U+00BE (3/4)
{ 0x0C, 0x00, 0x0C, 0x06, 0x03, 0x33, 0x1E, 0x00}, // U+00BF (inverted ?)
{ 0x07, 0x00, 0x1C, 0x36, 0x63, 0x7F, 0x63, 0x00}, // U+00C0 (A grave)
{ 0x70, 0x00, 0x1C, 0x36, 0x63, 0x7F, 0x63, 0x00}, // U+00C1 (A aigu)
{ 0x1C, 0x36, 0x00, 0x3E, 0x63, 0x7F, 0x63, 0x00}, // U+00C2 (A circumflex)
{ 0x6E, 0x3B, 0x00, 0x3E, 0x63, 0x7F, 0x63, 0x00}, // U+00C3 (A ~)
{ 0x63, 0x1C, 0x36, 0x63, 0x7F, 0x63, 0x63, 0x00}, // U+00C4 (A umlaut)
{ 0x0C, 0x0C, 0x00, 0x1E, 0x33, 0x3F, 0x33, 0x00}, // U+00C5 (A ring)
{ 0x7C, 0x36, 0x33, 0x7F, 0x33, 0x33, 0x73, 0x00}, // U+00C6 (AE)
{ 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x18, 0x30, 0x1E}, // U+00C7 (C cedille)
{ 0x07, 0x00, 0x3F, 0x06, 0x1E, 0x06, 0x3F, 0x00}, // U+00C8 (E grave)
{ 0x38, 0x00, 0x3F, 0x06, 0x1E, 0x06, 0x3F, 0x00}, // U+00C9 (E aigu)
{ 0x0C, 0x12, 0x3F, 0x06, 0x1E, 0x06, 0x3F, 0x00}, // U+00CA (E circumflex)
{ 0x36, 0x00, 0x3F, 0x06, 0x1E, 0x06, 0x3F, 0x00}, // U+00CB (E umlaut)
{ 0x07, 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00CC (I grave)
{ 0x38, 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00CD (I aigu)
{ 0x0C, 0x12, 0x00, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+00CE (I circumflex)
{ 0x33, 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00CF (I umlaut)
{ 0x3F, 0x66, 0x6F, 0x6F, 0x66, 0x66, 0x3F, 0x00}, // U+00D0 (Eth)
{ 0x3F, 0x00, 0x33, 0x37, 0x3F, 0x3B, 0x33, 0x00}, // U+00D1 (N ~)
{ 0x0E, 0x00, 0x18, 0x3C, 0x66, 0x3C, 0x18, 0x00}, // U+00D2 (O grave)
{ 0x70, 0x00, 0x18, 0x3C, 0x66, 0x3C, 0x18, 0x00}, // U+00D3 (O aigu)
{ 0x3C, 0x66, 0x18, 0x3C, 0x66, 0x3C, 0x18, 0x00}, // U+00D4 (O circumflex)
{ 0x6E, 0x3B, 0x00, 0x3E, 0x63, 0x63, 0x3E, 0x00}, // U+00D5 (O ~)
{ 0xC3, 0x18, 0x3C, 0x66, 0x66, 0x3C, 0x18, 0x00}, // U+00D6 (O umlaut)
{ 0x00, 0x36, 0x1C, 0x08, 0x1C, 0x36, 0x00, 0x00}, // U+00D7 (multiplicative x)
{ 0x5C, 0x36, 0x73, 0x7B, 0x6F, 0x36, 0x1D, 0x00}, // U+00D8 (O stroke)
{ 0x0E, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00}, // U+00D9 (U grave)
{ 0x70, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00}, // U+00DA (U aigu)
{ 0x3C, 0x66, 0x00, 0x66, 0x66, 0x66, 0x3C, 0x00}, // U+00DB (U circumflex)
{ 0x33, 0x00, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+00DC (U umlaut)
{ 0x70, 0x00, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x00}, // U+00DD (Y aigu)
{ 0x0F, 0x06, 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+00DE (Thorn)
{ 0x00, 0x1E, 0x33, 0x1F, 0x33, 0x1F, 0x03, 0x03}, // U+00DF (beta)
{ 0x07, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x7E, 0x00}, // U+00E0 (a grave)
{ 0x38, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x7E, 0x00}, // U+00E1 (a aigu)
{ 0x7E, 0xC3, 0x3C, 0x60, 0x7C, 0x66, 0xFC, 0x00}, // U+00E2 (a circumflex)
{ 0x6E, 0x3B, 0x1E, 0x30, 0x3E, 0x33, 0x7E, 0x00}, // U+00E3 (a ~)
{ 0x33, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x7E, 0x00}, // U+00E4 (a umlaut)
{ 0x0C, 0x0C, 0x1E, 0x30, 0x3E, 0x33, 0x7E, 0x00}, // U+00E5 (a ring)
{ 0x00, 0x00, 0xFE, 0x30, 0xFE, 0x33, 0xFE, 0x00}, // U+00E6 (ae)
{ 0x00, 0x00, 0x1E, 0x03, 0x03, 0x1E, 0x30, 0x1C}, // U+00E7 (c cedille)
{ 0x07, 0x00, 0x1E, 0x33, 0x3F, 0x03, 0x1E, 0x00}, // U+00E8 (e grave)
{ 0x38, 0x00, 0x1E, 0x33, 0x3F, 0x03, 0x1E, 0x00}, // U+00E9 (e aigu)
{ 0x7E, 0xC3, 0x3C, 0x66, 0x7E, 0x06, 0x3C, 0x00}, // U+00EA (e circumflex)
{ 0x33, 0x00, 0x1E, 0x33, 0x3F, 0x03, 0x1E, 0x00}, // U+00EB (e umlaut)
{ 0x07, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00EC (i grave)
{ 0x1C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00ED (i augu)
{ 0x3E, 0x63, 0x1C, 0x18, 0x18, 0x18, 0x3C, 0x00}, // U+00EE (i circumflex)
{ 0x33, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+00EF (i umlaut)
{ 0x1B, 0x0E, 0x1B, 0x30, 0x3E, 0x33, 0x1E, 0x00}, // U+00F0 (eth)
{ 0x00, 0x1F, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x00}, // U+00F1 (n ~)
{ 0x00, 0x07, 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+00F2 (o grave)
{ 0x00, 0x38, 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+00F3 (o aigu)
{ 0x1E, 0x33, 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+00F4 (o circumflex)
{ 0x6E, 0x3B, 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+00F5 (o ~)
{ 0x00, 0x33, 0x00, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+00F6 (o umlaut)
{ 0x18, 0x18, 0x00, 0x7E, 0x00, 0x18, 0x18, 0x00}, // U+00F7 (division)
{ 0x00, 0x60, 0x3C, 0x76, 0x7E, 0x6E, 0x3C, 0x06}, // U+00F8 (o stroke)
{ 0x00, 0x07, 0x00, 0x33, 0x33, 0x33, 0x7E, 0x00}, // U+00F9 (u grave)
{ 0x00, 0x38, 0x00, 0x33, 0x33, 0x33, 0x7E, 0x00}, // U+00FA (u aigu)
{ 0x1E, 0x33, 0x00, 0x33, 0x33, 0x33, 0x7E, 0x00}, // U+00FB (u circumflex)
{ 0x00, 0x33, 0x00, 0x33, 0x33, 0x33, 0x7E, 0x00}, // U+00FC (u umlaut)
{ 0x00, 0x38, 0x00, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+00FD (y aigu)
{ 0x00, 0x00, 0x06, 0x3E, 0x66, 0x3E, 0x06, 0x00}, // U+00FE (thorn)
{ 0x00, 0x33, 0x00, 0x33, 0x33, 0x3E, 0x30, 0x1F} // U+00FF (y umlaut)
};
const unsigned char bitfont_greek[58][8] = {
{ 0x2D, 0x00, 0x0C, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0390 (iota with tonos and diaeresis)
{ 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0391 (Alpha)
{ 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0392 (Beta)
{ 0x3F, 0x33, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00}, // U+0393 (Gamma)
{ 0x08, 0x1C, 0x1C, 0x36, 0x36, 0x63, 0x7F, 0x00}, // U+0394 (Delta)
{ 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0395 (Epsilon)
{ 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+0396 (Zeta)
{ 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0397 (Eta)
{ 0x1C, 0x36, 0x63, 0x7F, 0x63, 0x36, 0x1C, 0x00}, // U+0398 (Theta)
{ 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0399 (Iota)
{ 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+039A (Kappa)
{ 0x08, 0x1C, 0x1C, 0x36, 0x36, 0x63, 0x63, 0x00}, // U+039B (Lambda)
{ 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+039C (Mu)
{ 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+039D (Nu)
{ 0x7F, 0x63, 0x00, 0x3E, 0x00, 0x63, 0x7F, 0x00}, // U+039E (Xi)
{ 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+039F (Omikron)
{ 0x7F, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x00}, // U+03A0 (Pi)
{ 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+03A1 (Rho)
{ 0x00, 0x01, 0x02, 0x04, 0x4F, 0x90, 0xA0, 0x40}, // U+03A2
{ 0x7F, 0x63, 0x06, 0x0C, 0x06, 0x63, 0x7F, 0x00}, // U+03A3 (Sigma 2)
{ 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+03A4 (Tau)
{ 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+03A5 (Upsilon)
{ 0x18, 0x7E, 0xDB, 0xDB, 0xDB, 0x7E, 0x18, 0x00}, // U+03A6 (Phi)
{ 0x63, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x63, 0x00}, // U+03A7 (Chi)
{ 0xDB, 0xDB, 0xDB, 0x7E, 0x18, 0x18, 0x3C, 0x00}, // U+03A8 (Psi)
{ 0x3E, 0x63, 0x63, 0x63, 0x36, 0x36, 0x77, 0x00}, // U+03A9 (Omega)
{ 0x33, 0x00, 0x1E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0399 (Iota with diaeresis)
{ 0x33, 0x00, 0x33, 0x33, 0x1E, 0x0C, 0x1E, 0x00}, // U+03A5 (Upsilon with diaeresis)
{ 0x70, 0x00, 0x6E, 0x3B, 0x13, 0x3B, 0x6E, 0x00}, // U+03AC (alpha aigu)
{ 0x38, 0x00, 0x1E, 0x03, 0x0E, 0x03, 0x1E, 0x00}, // U+03AD (epsilon aigu)
{ 0x38, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x30}, // U+03AE (eta aigu)
{ 0x38, 0x00, 0x0C, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+03AF (iota aigu)
{ 0x2D, 0x00, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+03B0 (upsilon with tonos and diaeresis)
{ 0x00, 0x00, 0x6E, 0x3B, 0x13, 0x3B, 0x6E, 0x00}, // U+03B1 (alpha)
{ 0x00, 0x1E, 0x33, 0x1F, 0x33, 0x1F, 0x03, 0x03}, // U+03B2 (beta)
{ 0x00, 0x00, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x00}, // U+03B3 (gamma)
{ 0x38, 0x0C, 0x18, 0x3E, 0x33, 0x33, 0x1E, 0x00}, // U+03B4 (delta)
{ 0x00, 0x00, 0x1E, 0x03, 0x0E, 0x03, 0x1E, 0x00}, // U+03B5 (epsilon)
{ 0x00, 0x3F, 0x06, 0x03, 0x03, 0x1E, 0x30, 0x1C}, // U+03B6 (zeta)
{ 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x30}, // U+03B7 (eta)
{ 0x00, 0x00, 0x1E, 0x33, 0x3F, 0x33, 0x1E, 0x00}, // U+03B8 (theta)
{ 0x00, 0x00, 0x0C, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+03B9 (iota)
{ 0x00, 0x00, 0x33, 0x1B, 0x0F, 0x1B, 0x33, 0x00}, // U+03BA (kappa)
{ 0x00, 0x03, 0x06, 0x0C, 0x1C, 0x36, 0x63, 0x00}, // U+03BB (lambda)
{ 0x00, 0x00, 0x66, 0x66, 0x66, 0x3E, 0x06, 0x03}, // U+03BC (mu)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+03BD (nu)
{ 0x1E, 0x03, 0x0E, 0x03, 0x03, 0x1E, 0x30, 0x1C}, // U+03BE (xi)
{ 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+03BF (omikron)
{ 0x00, 0x00, 0x7F, 0x36, 0x36, 0x36, 0x36, 0x00}, // U+03C0 (pi)
{ 0x00, 0x00, 0x3C, 0x66, 0x66, 0x36, 0x06, 0x06}, // U+03C1 (rho)
{ 0x00, 0x00, 0x3E, 0x03, 0x03, 0x1E, 0x30, 0x1C}, // U+03C2 (sigma 1)
{ 0x00, 0x00, 0x7E, 0x1B, 0x1B, 0x1B, 0x0E, 0x00}, // U+03C3 (sigma 2)
{ 0x00, 0x00, 0x7E, 0x18, 0x18, 0x58, 0x30, 0x00}, // U+03C4 (tau)
{ 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+03C5 (upsilon)
{ 0x00, 0x00, 0x76, 0xDB, 0xDB, 0x7E, 0x18, 0x00}, // U+03C6 (phi)
{ 0x00, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+03C7 (chi)
{ 0x00, 0x00, 0xDB, 0xDB, 0xDB, 0x7E, 0x18, 0x00}, // U+03C8 (psi)
{ 0x00, 0x00, 0x36, 0x63, 0x6B, 0x7F, 0x36, 0x00} // U+03C9 (omega)
};
const unsigned char bitfont_box[128][8] = {
{ 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00}, // U+2500 (thin horizontal)
{ 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00}, // U+2501 (thick horizontal)
{ 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08}, // U+2502 (thin vertical)
{ 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, // U+2503 (thich vertical)
{ 0x00, 0x00, 0x00, 0x00, 0xBB, 0x00, 0x00, 0x00}, // U+2504 (thin horizontal dashed)
{ 0x00, 0x00, 0x00, 0xBB, 0xBB, 0x00, 0x00, 0x00}, // U+2505 (thick horizontal dashed)
{ 0x08, 0x00, 0x08, 0x08, 0x08, 0x00, 0x08, 0x08}, // U+2506 (thin vertical dashed)
{ 0x18, 0x00, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18}, // U+2507 (thich vertical dashed)
{ 0x00, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00}, // U+2508 (thin horizontal dotted)
{ 0x00, 0x00, 0x00, 0x55, 0x55, 0x00, 0x00, 0x00}, // U+2509 (thick horizontal dotted)
{ 0x00, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x08}, // U+250A (thin vertical dotted)
{ 0x00, 0x18, 0x00, 0x18, 0x00, 0x18, 0x00, 0x18}, // U+250B (thich vertical dotted)
{ 0x00, 0x00, 0x00, 0x00, 0xf8, 0x08, 0x08, 0x08}, // U+250C (down L, right L)
{ 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x08, 0x08, 0x08}, // U+250D (down L, right H)
{ 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18}, // U+250E (down H, right L)
{ 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18}, // U+250F (down H, right H)
{ 0x00, 0x00, 0x00, 0x00, 0x0f, 0x08, 0x08, 0x08}, // U+2510 (down L, left L)
{ 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x08, 0x08, 0x08}, // U+2511 (down L, left H)
{ 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18}, // U+2512 (down H, left L)
{ 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18}, // U+2513 (down H, left H)
{ 0x08, 0x08, 0x08, 0x08, 0xf8, 0x00, 0x00, 0x00}, // U+2514 (up L, right L)
{ 0x08, 0x08, 0x08, 0xf8, 0xf8, 0x00, 0x00, 0x00}, // U+2515 (up L, right H)
{ 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00}, // U+2516 (up H, right L)
{ 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00}, // U+2517 (up H, right H)
{ 0x08, 0x08, 0x08, 0x08, 0x0f, 0x00, 0x00, 0x00}, // U+2518 (up L, left L)
{ 0x08, 0x08, 0x08, 0x0f, 0x0f, 0x00, 0x00, 0x00}, // U+2519 (up L, left H)
{ 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00}, // U+251A (up H, left L)
{ 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00}, // U+251B (up H, left H)
{ 0x08, 0x08, 0x08, 0x08, 0xf8, 0x08, 0x08, 0x08}, // U+251C (down L, right L, up L)
{ 0x08, 0x08, 0x08, 0xf8, 0xf8, 0x08, 0x08, 0x08}, // U+251D (down L, right H, up L)
{ 0x18, 0x18, 0x18, 0x18, 0xf8, 0x08, 0x08, 0x08}, // U+251E (down L, right L, up H)
{ 0x08, 0x08, 0x08, 0x08, 0xf8, 0x18, 0x18, 0x18}, // U+251F (down H, right L, up L)
{ 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18}, // U+2520 (down H, right L, up H)
{ 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x08, 0x08, 0x08}, // U+2521 (down L, right H, up H)
{ 0x08, 0x08, 0x08, 0xf8, 0xf8, 0x18, 0x18, 0x18}, // U+2522 (down H, right H, up L)
{ 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18}, // U+2523 (down H, right H, up H)
{ 0x08, 0x08, 0x08, 0x08, 0x0f, 0x08, 0x08, 0x08}, // U+2524 (down L, left L, up L)
{ 0x08, 0x08, 0x08, 0x0f, 0x0f, 0x08, 0x08, 0x08}, // U+2525 (down L, left H, up L)
{ 0x18, 0x18, 0x18, 0x18, 0x1f, 0x08, 0x08, 0x08}, // U+2526 (down L, left L, up H)
{ 0x08, 0x08, 0x08, 0x08, 0x1f, 0x18, 0x18, 0x18}, // U+2527 (down H, left L, up L)
{ 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18}, // U+2528 (down H, left L, up H)
{ 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x08, 0x08, 0x08}, // U+2529 (down L, left H, up H)
{ 0x08, 0x08, 0x08, 0x1f, 0x1f, 0x18, 0x18, 0x18}, // U+252A (down H, left H, up L)
{ 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x18}, // U+252B (down H, left H, up H)
{ 0x00, 0x00, 0x00, 0x00, 0xff, 0x08, 0x08, 0x08}, // U+252C (down L, right L, left L)
{ 0x00, 0x00, 0x00, 0x0f, 0xff, 0x08, 0x08, 0x08}, // U+252D (down L, right L, left H)
{ 0x00, 0x00, 0x00, 0xf8, 0xff, 0x08, 0x08, 0x08}, // U+252E (down L, right H, left L)
{ 0x00, 0x00, 0x00, 0xff, 0xff, 0x08, 0x08, 0x08}, // U+252F (down L, right H, left H)
{ 0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18}, // U+2530 (down H, right L, left L)
{ 0x00, 0x00, 0x00, 0x1f, 0xff, 0x18, 0x18, 0x18}, // U+2531 (down H, right L, left H)
{ 0x00, 0x00, 0x00, 0xf8, 0xff, 0x18, 0x18, 0x18}, // U+2532 (down H, right H, left L)
{ 0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18}, // U+2533 (down H, right H, left H)
{ 0x08, 0x08, 0x08, 0x08, 0xff, 0x00, 0x00, 0x00}, // U+2534 (up L, right L, left L)
{ 0x08, 0x08, 0x08, 0x0f, 0xff, 0x00, 0x00, 0x00}, // U+2535 (up L, right L, left H)
{ 0x08, 0x08, 0x08, 0xf8, 0xff, 0x00, 0x00, 0x00}, // U+2536 (up L, right H, left L)
{ 0x08, 0x08, 0x08, 0xff, 0xff, 0x00, 0x00, 0x00}, // U+2537 (up L, right H, left H)
{ 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00}, // U+2538 (up H, right L, left L)
{ 0x18, 0x18, 0x18, 0x1f, 0xff, 0x00, 0x00, 0x00}, // U+2539 (up H, right L, left H)
{ 0x18, 0x18, 0x18, 0xf8, 0xff, 0x00, 0x00, 0x00}, // U+253A (up H, right H, left L)
{ 0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0x00}, // U+253B (up H, right H, left H)
{ 0x08, 0x08, 0x08, 0x08, 0xff, 0x08, 0x08, 0x08}, // U+253C (up L, right L, left L, down L)
{ 0x08, 0x08, 0x08, 0x0f, 0xff, 0x08, 0x08, 0x08}, // U+253D (up L, right L, left H, down L)
{ 0x08, 0x08, 0x08, 0xf8, 0xff, 0x08, 0x08, 0x08}, // U+253E (up L, right H, left L, down L)
{ 0x08, 0x08, 0x08, 0xff, 0xff, 0x08, 0x08, 0x08}, // U+253F (up L, right H, left H, down L)
{ 0x18, 0x18, 0x18, 0x18, 0xff, 0x08, 0x08, 0x08}, // U+2540 (up H, right L, left L, down L)
{ 0x08, 0x08, 0x08, 0x08, 0xff, 0x18, 0x18, 0x18}, // U+2541 (up L, right L, left L, down H)
{ 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18}, // U+2542 (up H, right L, left L, down H)
{ 0x18, 0x18, 0x18, 0x1f, 0xff, 0x08, 0x08, 0x08}, // U+2543 (up H, right L, left H, down L)
{ 0x18, 0x18, 0x18, 0xf8, 0xff, 0x08, 0x08, 0x08}, // U+2544 (up H, right H, left L, down L)
{ 0x08, 0x08, 0x08, 0x1f, 0xff, 0x18, 0x18, 0x18}, // U+2545 (up L, right L, left H, down H)
{ 0x08, 0x08, 0x08, 0xf8, 0xff, 0x18, 0x18, 0x18}, // U+2546 (up L, right H, left L, down H)
{ 0x08, 0x08, 0x08, 0xff, 0xff, 0x18, 0x18, 0x18}, // U+2547 (up L, right H, left H, down H)
{ 0x18, 0x18, 0x18, 0xff, 0xff, 0x08, 0x08, 0x08}, // U+254B (up H, right H, left H, down L)
{ 0x18, 0x18, 0x18, 0xf8, 0xff, 0x18, 0x18, 0x18}, // U+254A (up H, right H, left L, down H)
{ 0x18, 0x18, 0x18, 0x1f, 0xff, 0x18, 0x18, 0x18}, // U+2549 (up H, right L, left H, down H)
{ 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18}, // U+254B (up H, right H, left H, down H)
{ 0x00, 0x00, 0x00, 0x00, 0xE7, 0x00, 0x00, 0x00}, // U+254C (thin horizontal broken)
{ 0x00, 0x00, 0x00, 0xE7, 0xE7, 0x00, 0x00, 0x00}, // U+254D (thick horizontal broken)
{ 0x08, 0x08, 0x08, 0x00, 0x00, 0x08, 0x08, 0x08}, // U+254E (thin vertical broken)
{ 0x18, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x18}, // U+254F (thich vertical broken)
{ 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00}, // U+2550 (double horizontal)
{ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14}, // U+2551 (double vertical)
{ 0x00, 0x00, 0x00, 0xF8, 0x08, 0xF8, 0x08, 0x08}, // U+2552 (down L, right D)
{ 0x00, 0x00, 0x00, 0x00, 0xFC, 0x14, 0x14, 0x14}, // U+2553 (down D, right L)
{ 0x00, 0x00, 0x00, 0xFC, 0x04, 0xF4, 0x14, 0x14}, // U+2554 (down D, right D)
{ 0x00, 0x00, 0x00, 0x0F, 0x08, 0x0F, 0x08, 0x08}, // U+2555 (down L, left D)
{ 0x00, 0x00, 0x00, 0x00, 0x1F, 0x14, 0x14, 0x14}, // U+2556 (down D, left L)
{ 0x00, 0x00, 0x00, 0x1F, 0x10, 0x17, 0x14, 0x14}, // U+2557 (down D, left D)
{ 0x08, 0x08, 0x08, 0xF8, 0x08, 0xF8, 0x00, 0x00}, // U+2558 (up L, right D)
{ 0x14, 0x14, 0x14, 0x14, 0xFC, 0x00, 0x00, 0x00}, // U+2559 (up D, right L)
{ 0x14, 0x14, 0x14, 0xF4, 0x04, 0xFC, 0x00, 0x00}, // U+255A (up D, right D)
{ 0x08, 0x08, 0x08, 0x0F, 0x08, 0x0F, 0x00, 0x00}, // U+255B (up L, left D)
{ 0x14, 0x14, 0x14, 0x14, 0x1F, 0x00, 0x00, 0x00}, // U+255C (up D, left L)
{ 0x14, 0x14, 0x14, 0x17, 0x10, 0x1F, 0x00, 0x00}, // U+255D (up D, left D)
{ 0x08, 0x08, 0x08, 0xF8, 0x08, 0xF8, 0x08, 0x08}, // U+255E (up L, down L, right D)
{ 0x14, 0x14, 0x14, 0x14, 0xF4, 0x14, 0x14, 0x14}, // U+255F (up D, down D, right L)
{ 0x14, 0x14, 0x14, 0xF4, 0x04, 0xF4, 0x14, 0x14}, // U+2560 (up D, down D, right D)
{ 0x08, 0x08, 0x08, 0x0F, 0x08, 0x0F, 0x08, 0x08}, // U+2561 (up L, down L, left D)
{ 0x14, 0x14, 0x14, 0x14, 0x17, 0x14, 0x14, 0x14}, // U+2562 (up D, down D, left L)
{ 0x14, 0x14, 0x14, 0x17, 0x10, 0x17, 0x14, 0x14}, // U+2563 (up D, down D, left D)
{ 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x08, 0x08}, // U+2564 (left D, right D, down L)
{ 0x00, 0x00, 0x00, 0x00, 0xFF, 0x14, 0x14, 0x14}, // U+2565 (left L, right L, down D)
{ 0x00, 0x00, 0x00, 0xFF, 0x00, 0xF7, 0x14, 0x14}, // U+2566 (left D, right D, down D)
{ 0x08, 0x08, 0x08, 0xFF, 0x00, 0xFF, 0x00, 0x00}, // U+2567 (left D, right D, up L)
{ 0x14, 0x14, 0x14, 0x14, 0xFF, 0x00, 0x00, 0x00}, // U+2568 (left L, right L, up D)
{ 0x14, 0x14, 0x14, 0xF7, 0x00, 0xFF, 0x00, 0x00}, // U+2569 (left D, right D, up D)
{ 0x08, 0x08, 0x08, 0xFF, 0x08, 0xFF, 0x08, 0x08}, // U+256A (left D, right D, down L, up L)
{ 0x14, 0x14, 0x14, 0x14, 0xFF, 0x14, 0x14, 0x14}, // U+256B (left L, right L, down D, up D)
{ 0x14, 0x14, 0x14, 0xF7, 0x00, 0xF7, 0x14, 0x14}, // U+256C (left D, right D, down D, up D)
{ 0x00, 0x00, 0x00, 0x00, 0xE0, 0x10, 0x08, 0x08}, // U+256D (curve down-right)
{ 0x00, 0x00, 0x00, 0x00, 0x03, 0x04, 0x08, 0x08}, // U+256E (curve down-left)
{ 0x08, 0x08, 0x08, 0x04, 0x03, 0x00, 0x00, 0x00}, // U+256F (curve up-left)
{ 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x00}, // U+2570 (curve up-right)
{ 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01}, // U+2571 (diagonal bottom-left to top-right)
{ 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80}, // U+2572 (diagonal bottom-right to top-left)
{ 0x81, 0x42, 0x24, 0x18, 0x18, 0x24, 0x42, 0x81}, // U+2573 (diagonal cross)
{ 0x00, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00}, // U+2574 (left L)
{ 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00}, // U+2575 (up L)
{ 0x00, 0x00, 0x00, 0x00, 0xF8, 0x00, 0x00, 0x00}, // U+2576 (right L)
{ 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08}, // U+2577 (down L)
{ 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00}, // U+2578 (left H)
{ 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00}, // U+2579 (up H)
{ 0x00, 0x00, 0x00, 0xF8, 0xF8, 0x00, 0x00, 0x00}, // U+257A (right H)
{ 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18}, // U+257B (down H)
{ 0x00, 0x00, 0x00, 0xF8, 0xFF, 0x00, 0x00, 0x00}, // U+257C (right H, left L)
{ 0x08, 0x08, 0x08, 0x08, 0x18, 0x18, 0x18, 0x18}, // U+257D (up L, down H)
{ 0x00, 0x00, 0x00, 0x0F, 0xFF, 0x00, 0x00, 0x00}, // U+257E (right L, left H)
{ 0x18, 0x18, 0x18, 0x18, 0x08, 0x08, 0x08, 0x08} // U+257F (up H, down L)
};
const unsigned char bitfont_block[32][8] = {
{ 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00}, // U+2580 (top half)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+2581 (box 1/8)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF}, // U+2582 (box 2/8)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF}, // U+2583 (box 3/8)
{ 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2584 (bottom half)
{ 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2585 (box 5/8)
{ 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2586 (box 6/8)
{ 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2587 (box 7/8)
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2588 (solid)
{ 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F}, // U+2589 (box 7/8)
{ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F}, // U+258A (box 6/8)
{ 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F}, // U+258B (box 5/8)
{ 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F}, // U+258C (left half)
{ 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07}, // U+258D (box 3/8)
{ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03}, // U+258E (box 2/8)
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, // U+258F (box 1/8)
{ 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0}, // U+2590 (right half)
{ 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00}, // U+2591 (25% solid)
{ 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA}, // U+2592 (50% solid)
{ 0xFF, 0xAA, 0xFF, 0x55, 0xFF, 0xAA, 0xFF, 0x55}, // U+2593 (75% solid)
{ 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+2594 (box 1/8)
{ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}, // U+2595 (box 1/8)
{ 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F}, // U+2596 (box bottom left)
{ 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0}, // U+2597 (box bottom right)
{ 0x0F, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00}, // U+2598 (box top left)
{ 0x0F, 0x0F, 0x0F, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF}, // U+2599 (boxes left and bottom)
{ 0x0F, 0x0F, 0x0F, 0x0F, 0xF0, 0xF0, 0xF0, 0xF0}, // U+259A (boxes top-left and bottom right)
{ 0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0x0F}, // U+259B (boxes top and left)
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0xF0, 0xF0, 0xF0}, // U+259C (boxes top and right)
{ 0xF0, 0xF0, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00}, // U+259D (box top right)
{ 0xF0, 0xF0, 0xF0, 0xF0, 0x0F, 0x0F, 0x0F, 0x0F}, // U+259E (boxes top right and bottom left)
{ 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF}, // U+259F (boxes right and bottom)
};

34
include/kernel.h
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@ -27,7 +27,8 @@
#include <efierr.h>
/* ==================== Custom Headers ==================== */
//#include "AVX.h"
#include <bitmapfont.h>
/* ==================== EFI structs and constants ==================== */
@ -341,7 +342,7 @@ typedef struct {
uint32_t charBGColor; // BackGround Color
uint32_t screenMinX; // Far left side of the screen
uint32_t screenMinY; // Top of the screen
uint32_t ScreenScale;
uint32_t charScale;
uint32_t cursorPos;
uint32_t scrollMode; // Move screen up, or wraparound
} PRINT_INFO;
@ -627,11 +628,12 @@ void PrepareSystem(FILELOADER_PARAMS* FLOP);
size_t ClockTick(void);
void Halt(void);
void PrepareAVX(void);
void AVXStub(void);
void PrepareMaskableInterrupts(void);
void PreparePowerManagement(void);
/* Hypervisor / Scheduler */
uint8_t HypervisorCheck(void);
uint8_t CheckForHypervisor(void);
uint8_t ReadPerformance(size_t* PerformanceDest);
size_t ReadCPUFrequency(size_t* PerformanceDest, uint8_t AvgOrDirect);
@ -665,11 +667,11 @@ void SetGDT(DESCRIPTOR_TABLE_POINTER GDTData);
DESCRIPTOR_TABLE_POINTER FetchIDT(void);
void SetIDT(DESCRIPTOR_TABLE_POINTER IDTData);
DESCRIPTOR_TABLE_POINTER FetchLDT(void);
void SetLDT(DESCRIPTOR_TABLE_POINTER LDTData);
uint16_t FetchLDT(void);
void SetLDT(uint16_t LDTData);
DESCRIPTOR_TABLE_POINTER FetchTSR(void);
void SetTSR(DESCRIPTOR_TABLE_POINTER TSRData);
uint16_t FetchTSR(void);
void SetTSR(uint16_t TSRData);
void InstallGDT(void);
void InstallIDT(void);
@ -707,8 +709,9 @@ void ISR16Handler(INTERRUPT_FRAME* Frame); // Math Error / Coprocessor Fault
void ISR17Handler(EXCEPTION_FRAME* Frame); // Alignment Error
void ISR18Handler(INTERRUPT_FRAME* Frame); // Machine Check
void ISR19Handler(INTERRUPT_FRAME* Frame); // SSE Math Error
void ISR19Handler(INTERRUPT_FRAME* Frame); // Virtualization Exception
void ISR20Handler(EXCEPTION_FRAME* Frame); // Security Fault
void ISR20Handler(INTERRUPT_FRAME* Frame); // Virtualization Exception
void ISR30Handler(EXCEPTION_FRAME* Frame); // Security Fault
void ReservedISRHandler(INTERRUPT_FRAME* Frame);
/* ==================== Interrupt Support ==================== */
@ -748,6 +751,15 @@ void MergeFragmentedMemory(void);
EFI_PHYSICAL_ADDRESS PurgeAllMemory(void);
EFI_PHYSICAL_ADDRESS AllocatePagetable(size_t PagetableSize);
/* AVX */
void* memmoveAVX(void* Dest, void* Source, size_t Length);
void* memcpyAVX(void* Dest, void* Source, size_t Length);
void* memsetAVX(void* Dest, void* Source, size_t Length);
void* memsetAVX_By4Bytes(void* Dest, void* Source, size_t Length);
uint8_t memcmpAVX(const void* String1, const void* String2, size_t Length);
/* Physical Addresses */
__attribute__((malloc)) void* kalloc(size_t Length);
__attribute__((malloc)) void* kalloc_16(size_t Length);
@ -785,8 +797,8 @@ EFI_VIRTUAL_ADDRESS AllocateVirtualAddress_By64Bytes(size_t Pages, EFI_VIRTUAL_A
void ClearScreen(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU);
void FillScreen(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, uint32_t Color);
void ResetDefaultScreenColor(void);
void ResetDefaultScreen(void);
void ResetFillScreen(void);
void ResetScreen(void);
void DrawPixel(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU,
uint32_t x,

1169
kernel/bootstrap.c
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File diff suppressed because it is too large Load Diff

219
kernel/graphics.c Normal file
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@ -0,0 +1,219 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* ==================== Kernel Graphics ==================== */
// This file allows the kernel to draw to the framebuffer provided by Syncboot.
// It provides the setup, printing and drawing functions.
// Eventually this will be split up into printing and drawing to provide room for expansion.
// I'm thinking about making a 3D interface.
#include <kernel.h>
//#include <bitfont.h>
// Get it? Default Font
// Defaunt
// Defont
#define DEFONT bitfont_latin
void SetupPrinting(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU) {
Print_Info.defaultGPU = GPU;
Print_Info.charHeight = 8;
Print_Info.charWidth = 8;
Print_Info.charFGColor = 0x00FFFFFF;
Print_Info.charBGColor = 0x00000000;
Print_Info.charHLColor = 0x00000000;
// per UEFI Spec 2.7 Errata A, (0,0) is always the top left in-bounds pixel.
Print_Info.screenMinX = 0;
Print_Info.screenMinY = 0;
Print_Info.charScale = 1;
Print_Info.cursorPos = 0;
Print_Info.scrollMode = 0;
}
void WriteScaledFormatString(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU,
uint32_t Height,
uint32_t Width,
uint32_t FontColor,
uint32_t HighlightColor,
uint32_t x,
uint32_t y,
uint32_t Scale,
const char* String,
...) {
if(Height > GPU.Info->VerticalResolution || Width > GPU.Info->HorizontalResolution) {
// Turn the screen red.
// TODO: Write a function to turn the *borders* of the screen a certain color.
FillScreen(GPU, 0x00FF00000);
} else if (y > GPU.Info->VerticalResolution || x > GPU.Info->HorizontalResolution) {
// Turn the screen green.
FillScreen(GPU, 0x0000FF00);
} else if ((y + Scale * Height) > GPU.Info->VerticalResolution || (x + Scale * Width) > GPU.Info->HorizontalResolution) {
// Turn the screen blue.
FillScreen(GPU, 0x000000FF);
}
// Take the ... arguments into a buffer and pass them to a reasonable function.
va_list Args;
va_start(Args, String);
char Output[128] = {0};
vsprintf(Output, String, Args);
va_end(Args);
WriteScaledString(GPU, Output, Height, Width, FontColor, HighlightColor, x, y, Scale);
}
void ResetScreen() {
Print_Info.screenMinX = 0;
Print_Info.screenMinY = 0;
Print_Info.cursorPos = 0;
ClearScreen(Print_Info.defaultGPU);
}
void ResetFillScreen() {
ResetScreen();
FillScreen(Print_Info.defaultGPU, Print_Info.charBGColor);
}
void ClearScreen(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU) {
FillScreen(GPU, 0x00000000);
}
void FillScreen(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, uint32_t Color) {
Print_Info.charBGColor = Color;
// The fastest way to do this is using AVX fills.
// However, if AVX isn't supported, we'll need to fall back to filling the screen the old fashioned way.
// The performance benefit by using AVX Parallel operations is huge.
memsetAVX_By4Bytes( (EFI_PHYSICAL_ADDRESS* )GPU.FrameBufferBase, Color, GPU.Info->VerticalResolution * GPU.Info->PixelsPerScanline);
// If AVX isn't supported, we can use this instead:
/*
for(size_t Row = 0; Row < GPU.Info->VerticalResolution; Row++) {
for(size_t Column = 0; Column < GPU.Info->PixelsPerScanline - (GPU.Info->PixelsPerScanline - GPU.Info->HorizontalResolution); Column++) {
*(uint32_t *)GPU.FrameBufferBase + 4 * (GPU.Info->PixelsPerScanline * Row * Column)) = Color;
}
}
*/
// TODO: Implement a switching mechanism.
}
// Plot a single pixel at the specified location with the specified color.
void DrawPixel(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, uint32_t x, uint32_t y, uint32_t Color) {
// We can't draw off the screen, so fill the screen in that case.
// TODO: implement the border coloring here
if(y > GPU.Info->VerticalResolution || x > GPU.Info->HorizontalResolution) {
FillScreen(GPU, Color);
} else {
// If the pixel is in bounds:
// Find the offset from the base of the framebuffer by:
// y * width + x
// 4 bits per pixel, so multiply by 4 to get the start of the correct pixel
// Set it to the color we want.
*(uint32_t* )(GPU.FrameBufferBase + (y * GPU.Info->PixelsPerScanline + x) * 4) = Color;
}
}
// TODO: Rectangle, Triangle drawing.
void WriteChar(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, int Char, uint32_t Height, uint32_t Width, uint32_t FontColor, uint32_t HighlightColor) {
if(Height > GPU.Info->VerticalResolution || Width > GPU.Info->HorizontalResolution) {
FillScreen(GPU, FontColor);
} else {
// This writes to the top left of the screen.
// TODO: Automatically determine the next position using GPU.Info->cursorPos
RenderText(GPU, Char, Height, Width, FontColor, HighlightColor, 0, 0, 1, 0);
}
}
void WriteCharPos(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, int Char, uint32_t Height, uint32_t Width, uint32_t FontColor, uint32_t HighlightColor, uint32_t x, uint32_t y) {
if(Height > GPU.Info->VerticalResolution || Width > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x00FF0000);
} else if(y > GPU.Info->VerticalResolution || x > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x0000FF00);
} else if ((y + Height) > GPU.Info->VerticalResolution || (x + Width) > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x000000FF);
}
RenderText(GPU, Char, Height, Width, FontColor, HighlightColor, x, y, 1, 0);
}
void WriteScaledString(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, const char* String, uint32_t Height, uint32_t Width, uint32_t FontColor, uint32_t HighlightColor, uint32_t x, uint32_t y, uint32_t Scale) {
if(Height > GPU.Info->VerticalResolution || Width > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x00FF0000);
} else if( y > GPU.Info->VerticalResolution || x > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x0000FF00);
} else if ((y + Scale * Height) > GPU.Info->VerticalResolution || (x + Scale * Width) > GPU.Info->HorizontalResolution) {
FillScreen(GPU, 0x000000FF);
}
uint32_t Char = 0;
while(String[Char] != '\0') {
RenderText(GPU, String[Char], Height, Width, FontColor, HighlightColor, x, y, Scale, Char);
Char++;
}
}
// Render characters to the screen.
void RenderText(EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE GPU, int Char, uint32_t Height, uint32_t Width, uint32_t FontColor, uint32_t HighlightColor, uint32_t x, uint32_t y, uint32_t Scale, uint32_t INDX) {
uint32_t Y = Width >> 3, X = 0;
if((Width & 0x7) != 0) {
Y++;
}
for(uint32_t Row = 0; Row < Height; Row++) {
for(uint32_t Bit = 0; Bit < Width; Bit++) {
if ( ((Bit & 0x7) == 0) && (Bit > 0)) {
X++;
}
if((DEFONT[Char][Row * Y + X] >> (Bit & 0x7)) & 1) {
for(uint32_t ScaleY = 0; ScaleY < Scale; ScaleY++) {
for(uint32_t ScaleX = 0; ScaleX < Scale; ScaleX++) {
// This one is crazy. Stick with me.
*(uint32_t* )(GPU.FrameBufferBase + // Offset from the framebuffer, find the pixel..
((y * GPU.Info->PixelsPerScanline + x) + // which is this many rows down, and this many pixels across,
Scale * (Row * GPU.Info->PixelsPerScanline + Bit) + // shift it around according to our scale..
(ScaleY * GPU.Info->PixelsPerScanline + ScaleX) +
Scale * INDX * Width) * 4) // and find which column we need to be in. Multiply by 4 to navigate the 4bpp array,
= FontColor; // And set the color of the pixel.
}
}
} else {
// We need to draw the pixel transparently..
for(uint32_t ScaleY = 0; ScaleY < Scale; ScaleY++) {
for(uint32_t ScaleX = 0; ScaleX < Scale; ScaleX++) {
if(HighlightColor != 0xFF000000) {
*(UINT32*)(GPU.FrameBufferBase +
((y*GPU.Info->PixelsPerScanline + x) +
Scale * (Row * GPU.Info->PixelsPerScanline + Bit) +
(ScaleY * GPU.Info->PixelsPerScanline + ScaleX) +
Scale * INDX * Width)*4)
= HighlightColor;
}
}
}
}
}
}
}
// TODO: Custom Bitmap functions

56
kernel/kernel.c
View File

@ -20,69 +20,17 @@
void gdb_end() {} /* GDB Debugging stump */
int kernel_main(void) {
int kernel_main(FILELOADER_PARAMS* FLOP) {
/* The kernel is started in 64-bit Long Mode by Syncboot. */
/* Here, we start by drawing a splash, then loading a GDT and IDT into the placeholder UEFI gives us. */
/* Not sure how well serial would work in UEFI. */
// TODO: look at this.
PrepareSystem(FLOP);
//init_serial();
//serial_print(0x3F8, "[INFO] Serial ready.\r\n");
//serial_print(0x3F8, "[INFO] Beginning GDT subroutine.\r\n");
/* term_writes: writes a string to the terminal. */
//term_writes("GDT...");
/* Prepares the Global Descriptor Table, called from gdt.c */
gdt_install();
/* puts: writes a line to the terminal. */
//puts("GDT Ready.");
//serial_print(0x3F8, "[INFO] GDT subroutine complete.\r\n");
/* Prepare the Interrupt Descriptor Table. */
//serial_print(0x3F8, "[INFO] Beginning IDT subroutine.\r\n");
//term_writes("IDT...");
idt_install();
//puts("IDT Ready.");
//serial_print(0x3F8, "[INFO] IDT subroutine complete.\r\n[INFO] Enabling interrupts.\r\n");
gdb_end(); /* The first important step. Waypoint it for gdb debugging. */
//term_writes("Memory available:");
/* The first important thing: start the system clock immediately. */
//serial_print(0x3F8, "[INFO] Starting System Clock.\r\n");
//term_writes("Timer...");
timer_install();
//puts("Timer Ready.");
//serial_print(0x3F8, "[INFO] All subsystems ready. Printing message.\r\n");
/* Everything is ready; print a pretty message. */
//term_setcolor(RED);
//term_writes("\n(c)");
//term_setcolor(GREEN);
//term_writes(" Sync");
//term_setcolor(WHITE);
//term_writes(", 2019\n");
//serial_print(0x3F8, "[INFO] All operations complete. Checking for other tasks...\r\n");
/* Here are a series of tests for the ANSI escape code and CSI implementations. */
//term_writes("\x1b[BA"); /* Down a line, then A. */
/* A stub causing a Divide by Zero error. */
//serial_print(0x3F8, "[DEBUG] Attempting a Divide by Zero error.\r\n");
//char div = (5 / 0);
//serial_print(0x3F8, "[DEBUG] Survived the error!\r\n");
gdb_end(); /* Everything is done. The last debug routine. */
return 0;
}

14
kernel/memory.c Normal file
View File

@ -0,0 +1,14 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* ==================== Sync Memory Management ==================== */
/* Bear with me.
* The plan for this file is to contain all of the memory management, as you can probably tell.
* That means alloc, free, move, set, and AVX of all the above.
* That means a lot of work, and a lot of commenting.
*
* TODO: The above.
*/

574
kernel/print.c Normal file
View File

@ -0,0 +1,574 @@
/************************
*** Team Kitty, 2019 ***
*** Sync ***
***********************/
/* This file contains all of the xprintx functions.
* The most commonly used will be printf */
#include <kernel.h>
static inline int Max(int a, int b) { return (a > b ? a : b); }
static void printchar(int Char, void* Args);
static char* ksprintn(char* Buffer, size_t Number, int Base, int* Size, int Upper);
static void snprintfFunc(int Char, void* Args);
static void Newline(void* AP);
#define BPP 8
const char HexAsciiData[] = "0123456789abcdefhijklmnopqrstuvwxyz";
#define HexToASCII(hex) (HexAsciiData[hex])
#define ToUpper(c) ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
#define MaxConvertBufferLength (sizeof(size_t) * BPP + 1)
typedef struct {
char* String;
size_t Remain;
} snprintf_args;
static char* ksprintn(char* Buffer, size_t Number, int Base, int* Size, int Upper) {
char* PrintBuffer;
char CharBuffer;
PrintBuffer = Buffer;
*PrintBuffer = '\0'; // Initialize just in case.
do {
CharBuffer = HexToASCII( Number % Base );
*++PrintBuffer = Upper ? ToUpper(CharBuffer) : CharBuffer;
} while (Number /= Base);
if(Size) {
*Size = PrintBuffer - Buffer;
}
return (PrintBuffer);
}
// This function is taken from the Linux kernel.
// TODO: make readable.
int kvprintf(char const *fmt, void (*func)(int, void*), void *arg, int radix, va_list ap) {
#define PCHAR(c) {int cc=(c); if (func) (*func)(cc,arg); else *d++ = cc; retval++; }
char nbuf[MaxConvertBufferLength];
char *d;
const char *p, *percent, *q;
unsigned char *up;
int ch, n;
uintmax_t num;
int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
int cflag, hflag, jflag, tflag, zflag;
int bconv, dwidth, upper;
char padc;
int stop = 0, retval = 0;
num = 0;
q = NULL;
if (!func)
d = (char *) arg;
else
d = NULL;
if (fmt == NULL)
fmt = "(fmt null)\n";
if (radix < 2 || radix > 36)
radix = 10;
for (;;) {
padc = ' ';
width = 0;
while ((ch = (unsigned char)*fmt++) != '%' || stop) {
if (ch == '\0')
return (retval);
PCHAR(ch);
}
percent = fmt - 1;
qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
sign = 0; dot = 0; bconv = 0; dwidth = 0; upper = 0;
cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
reswitch: switch (ch = (unsigned char)*fmt++) {
case '.':
dot = 1;
goto reswitch;
case '#':
sharpflag = 1;
goto reswitch;
case '+':
sign = 1;
goto reswitch;
case '-':
ladjust = 1;
goto reswitch;
case '%':
PCHAR(ch);
break;
case '*':
if (!dot) {
width = va_arg(ap, int);
if (width < 0) {
ladjust = !ladjust;
width = -width;
}
} else {
dwidth = va_arg(ap, int);
}
goto reswitch;
case '0':
if (!dot) {
padc = '0';
goto reswitch;
}
/* FALLTHROUGH */
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
for (n = 0;; ++fmt) {
n = n * 10 + ch - '0';
ch = *fmt;
if (ch < '0' || ch > '9')
break;
}
if (dot)
dwidth = n;
else
width = n;
goto reswitch;
case 'b':
ladjust = 1;
bconv = 1;
goto handle_nosign;
case 'c':
width -= 1;
if (!ladjust && width > 0)
while (width--)
PCHAR(padc);
PCHAR(va_arg(ap, int));
if (ladjust && width > 0)
while (width--)
PCHAR(padc);
break;
case 'D':
up = va_arg(ap, unsigned char *);
p = va_arg(ap, char *);
if (!width)
width = 16;
while(width--) {
PCHAR(HexToASCII(*up >> 4));
PCHAR(HexToASCII(*up & 0x0f));
up++;
if (width)
for (q=p;*q;q++)
PCHAR(*q);
}
break;
case 'd':
case 'i':
base = 10;
sign = 1;
goto handle_sign;
case 'h':
if (hflag) {
hflag = 0;
cflag = 1;
} else
hflag = 1;
goto reswitch;
case 'j':
jflag = 1;
goto reswitch;
case 'l':
if (lflag) {
lflag = 0;
qflag = 1;
} else
lflag = 1;
goto reswitch;
case 'n':
if (jflag)
*(va_arg(ap, intmax_t *)) = retval;
else if (qflag)
*(va_arg(ap, long long *)) = retval;
else if (lflag)
*(va_arg(ap, long *)) = retval;
else if (zflag)
*(va_arg(ap, size_t *)) = retval;
else if (hflag)
*(va_arg(ap, short *)) = retval;
else if (cflag)
*(va_arg(ap, char *)) = retval;
else
*(va_arg(ap, int *)) = retval;
break;
case 'o':
base = 8;
goto handle_nosign;
case 'p':
base = 16;
sharpflag = (width == 0);
sign = 0;
num = (uintptr_t)va_arg(ap, void *);
goto number;
case 'q':
qflag = 1;
goto reswitch;
case 'r':
base = radix;
if (sign)
goto handle_sign;
goto handle_nosign;
case 's':
p = va_arg(ap, char *);
if (p == NULL)
p = "(null)";
if (!dot)
n = strlen (p);
else
for (n = 0; n < dwidth && p[n]; n++)
continue;
width -= n;
if (!ladjust && width > 0)
while (width--)
PCHAR(padc);
while (n--)
PCHAR(*p++);
if (ladjust && width > 0)
while (width--)
PCHAR(padc);
break;
case 't':
tflag = 1;
goto reswitch;
case 'u':
base = 10;
goto handle_nosign;
case 'X':
upper = 1;
__attribute__ ((fallthrough)); // For GCC to stop warning about a fallthrough here
case 'x':
base = 16;
goto handle_nosign;
case 'y':
base = 16;
sign = 1;
goto handle_sign;
case 'z':
zflag = 1;
goto reswitch;
handle_nosign:
sign = 0;
if (jflag)
num = va_arg(ap, uintmax_t);
else if (qflag)
num = va_arg(ap, unsigned long long);
else if (tflag)
num = va_arg(ap, ptrdiff_t);
else if (lflag)
num = va_arg(ap, unsigned long);
else if (zflag)
num = va_arg(ap, size_t);
else if (hflag)
num = (unsigned short)va_arg(ap, int);
else if (cflag)
num = (unsigned char)va_arg(ap, int);
else
num = va_arg(ap, unsigned int);
if (bconv) {
q = va_arg(ap, char *);
base = *q++;
}
goto number;
handle_sign:
if (jflag)
num = va_arg(ap, intmax_t);
else if (qflag)
num = va_arg(ap, long long);
else if (tflag)
num = va_arg(ap, ptrdiff_t);
else if (lflag)
num = va_arg(ap, long);
else if (zflag)
num = va_arg(ap, size_t);
else if (hflag)
num = (short)va_arg(ap, int);
else if (cflag)
num = (char)va_arg(ap, int);
else
num = va_arg(ap, int);
number:
if (sign && (intmax_t)num < 0) {
neg = 1;
num = -(intmax_t)num;
}
p = ksprintn(nbuf, num, base, &n, upper);
tmp = 0;
// There's weird behavior here with #. Don't use # to get 0x with zero-padding
// (e.g. use 0x%016qx instead, not %#016qx or %#018qx, the latter of which will pad
// 16 characters for nonzero numbers but zeros will have 18 characters).
// Same with octal: use a leading zero and don't rely on # if you want zero-padding.
// # works if you don't need zero padding, though.
if (sharpflag && num != 0) {
if (base == 8)
tmp++;
else if (base == 16)
tmp += 2;
}
if (neg)
tmp++;
if (!ladjust && padc == '0')
dwidth = width - tmp;
width -= tmp + Max(dwidth, n);
dwidth -= n;
if (!ladjust)
while (width-- > 0)
PCHAR(' ');
if (neg)
PCHAR('-');
if (sharpflag && num != 0) {
if (base == 8) {
PCHAR('0');
} else if (base == 16) {
PCHAR('0');
PCHAR('x');
}
}
while (dwidth-- > 0)
PCHAR('0');
while (*p)
PCHAR(*p--);
if (bconv && num != 0) {
/* %b conversion flag format. */
tmp = retval;
while (*q) {
n = *q++;
if (num & (1 << (n - 1))) {
PCHAR(retval != tmp ?
',' : '<');
for (; (n = *q) > ' '; ++q)
PCHAR(n);
} else
for (; *q > ' '; ++q)
continue;
}
if (retval != tmp) {
PCHAR('>');
width -= retval - tmp;
}
}
if (ladjust)
while (width-- > 0)
PCHAR(' ');
break;
default:
while (percent < fmt)
PCHAR(*percent++);
/*
* Since we ignore a formatting argument it is no
* longer safe to obey the remaining formatting
* arguments as the arguments will no longer match
* the format specs.
*/
stop = 1;
break;
}
}
#undef PCHAR
}
int snprintf(char* String, size_t Length, const char* Format, ...) {
int ReturnVal;
va_list AP;
va_start(AP, Format);
ReturnVal = vsnprintf(String, Length, Format, AP);
va_end(AP);
return (ReturnVal);
}
int vsnprintf(char* String, size_t Length, const char* Format, va_list AP) {
snprintf_args Info;
int ReturnVal;
Info.String = Format;
Info.Remain = Length;
ReturnVal = kvprintf(Format, snprintfFunc, &Info, 10, AP);
if (Info.Remain >= 1) {
*Info.String++ = '\0';
}
return ReturnVal;
}
static void snprintfFunc(int Char, void* Args) {
snprintf_args* Info = Args;
if(Info->Remain >= 2) {
*Info->String++ = Char;
Info->Remain--;
}
}
int vsnrprintf(char* String, size_t Length, int Radix, const char* Format, va_list AP) {
snprintf_args Info;
int ReturnVal;
Info.String = Format;
Info.Remain = Length;
ReturnVal = kvprintf(Format, snprintfFunc, &Info, Radix, AP);
if(Info.Remain >= 1) {
*Info.String++ = '\0';
}
return ReturnVal;
}
static void printchar(int Char, void* Args) {
PRINT_INFO* Arg = (PRINT_INFO*)Args;
switch(Char) {
case '\033':
// TODO: Escape codes!
break;
case '\x7F':
// TODO: Decide on DEL functionality?
break;
case '\x85': // Next Line (not Newline, this does some hijinks.)
Arg->cursorPos = 0;
Newline(Arg);
break;
case '\014': // Form Feed (Clear Screen)
ResetScreen();
break;
case '\a': // Alert
// TODO: Audio alert.
break;
case '\b': // Backspace
if(Arg->cursorPos != 0) {
Arg->cursorPos--;
}
break;
case '\r': // Carriage Return
Arg->cursorPos = 0;
break;
case '\v': // Vertical Tab - 6 line breaks.
for(int Line = 0; Line < 6; Line++) {
Newline(Arg);
}
break;
case '\n': // Newline.
Newline(Arg);
break;
case '\t': // Tab
for(int Spaces = 0; Spaces < 8; Spaces++) { // That's right. There are 8 spaces in a tab.
RenderText(Arg->defaultGPU, ' ', Arg->charHeight, Arg->charWidth, Arg->charFGColor, Arg->charHLColor, Arg->screenMinX, Arg->screenMinY, Arg->charScale, Arg->cursorPos);
Arg->cursorPos++; // Move our cursor one space along.
if(Arg->cursorPos * Arg->charWidth * Arg->charScale > (Arg->defaultGPU.Info->HorizontalResolution - Arg->charWidth * Arg->charScale)) { // Check for wraparound
Arg->cursorPos = 0;
Newline(Arg);
}
}
break;
// TODO: More codes!
default:
RenderText(Arg->defaultGPU, Char, Arg->charHeight, Arg->charWidth, Arg->charFGColor, Arg->charHLColor, Arg->screenMinX, Arg->screenMinY, Arg->charScale, Arg->cursorPos);
if(Arg->cursorPos * Arg->charWidth * Arg->charScale > (Arg->defaultGPU.Info->HorizontalResolution - Arg->charWidth * Arg->charScale)) { // Check for wraparound
Arg->cursorPos = 0;
Newline(Arg);
}
break;
}
}
static void Newline(void* Args) {
PRINT_INFO* Arg = (PRINT_INFO* )Args;
if ((Arg->screenMinY + Arg->charHeight * Arg->charScale) > (Arg->defaultGPU.Info->VerticalResolution - Arg->charHeight * Arg->charScale)) {
if(!Arg->scrollMode) {
// Scrollmode isn't set, so just overwrite the top.
Arg->screenMinY = 0;
} else if (Arg->scrollMode == Arg->charHeight * Arg->charScale) {
// Scroll mode is set to "smooth". This leaves no empty space at the bottom of the screen.
size_t ScrollLine = Arg->screenMinY + 2 * Arg->charHeight * Arg->charScale - Arg->defaultGPU.Info->VerticalResolution;
Arg->screenMinY = Arg->defaultGPU.Info->VerticalResolution - Arg->charHeight * Arg->charScale;
memmoveAVX( (EFI_PHYSICAL_ADDRESS*) Arg->defaultGPU.FrameBufferBase, (EFI_PHYSICAL_ADDRESS*)(Arg->defaultGPU.FrameBufferBase + Arg->defaultGPU.Info->PixelsPerScanline * 4 * ScrollLine), (Arg->defaultGPU.Info->VerticalResolution - ScrollLine) * Arg->defaultGPU.Info->PixelsPerScanline * 4);
if(Arg->charBGColor != 0xFF000000) {
memsetAVX_By4Bytes( (EFI_PHYSICAL_ADDRESS*)(Arg->defaultGPU.FrameBufferBase + (Arg->defaultGPU.Info->VerticalResolution - ScrollLine) * Arg->defaultGPU.Info->PixelsPerScanline * 4), Arg->charBGColor, (Arg->defaultGPU.Info->VerticalResolution - ScrollLine) * Arg->defaultGPU.Info->PixelsPerScanline);
}
} // TODO: Implement "quick" scroll.
else if (Arg->scrollMode == Arg->defaultGPU.Info->VerticalResolution) {
// Wipe screen.
if(Arg->charBGColor != 0xFF000000) {
memsetAVX_By4Bytes( (EFI_PHYSICAL_ADDRESS*)Arg->defaultGPU.FrameBufferBase, Arg->charBGColor, Arg->defaultGPU.Info->VerticalResolution * Arg->defaultGPU.Info->PixelsPerScanline);
}
} else {
size_t ScrollLine = Arg->screenMinY + 2 * Arg->charHeight * Arg->charScale - Arg->defaultGPU.Info->VerticalResolution;
Arg->screenMinY = Arg->defaultGPU.Info->VerticalResolution - Arg->charHeight * Arg->charScale;
// This offset correction is needed in case a font size/scale combination is not an integer multiple of the vertical resolution.
// Even if it is, changing scales or arg->y could cause a variable offset and that needs to be accounted for.
for(size_t SmoothScroll = 0; SmoothScroll < ScrollLine; SmoothScroll += Arg->scrollMode) {
memmoveAVX((EFI_PHYSICAL_ADDRESS* )Arg->defaultGPU.FrameBufferBase, (EFI_PHYSICAL_ADDRESS* )(Arg->defaultGPU.FrameBufferBase + Arg->defaultGPU.Info->PixelsPerScanline * 4 * Arg->scrollMode), (Arg->defaultGPU.Info->VerticalResolution - Arg->scrollMode - SmoothScroll) * Arg->defaultGPU.Info->PixelsPerScanline * 4);
if(Arg->charBGColor != 0xFF000000) {
memsetAVX_By4Bytes((EFI_PHYSICAL_ADDRESS* )(Arg->defaultGPU.FrameBufferBase + (Arg->defaultGPU.Info->VerticalResolution - Arg->scrollMode - SmoothScroll) * Arg->defaultGPU.Info->PixelsPerScanline * 4), Arg->charBGColor, Arg->scrollMode * Arg->defaultGPU.Info->PixelsPerScanline);
}
}
}
} else {
// No wraparound needed. Just move along.
Arg->screenMinY += Arg->charHeight * Arg->charScale;
}
}
int printf(const char* Format, ...) {
va_list AP;
int ReturnVal;
va_start(AP, Format);
ReturnVal = kvprintf(Format, printchar, &Print_Info, 10, AP);
va_end(AP);
return ReturnVal;
}
int vprintf(const char* Format, va_list AP) {
return kvprintf(Format, printchar, &Print_Info, 10, AP);
}
int sprintf(char* Buffer, const char* Format, ...) {
va_list AP;
va_start(AP, Format);
int ReturnVal = kvprintf(Format, NULL, (void*) Buffer, 10, AP);
Buffer[ReturnVal] = '\0';
va_end(AP);
return ReturnVal;
}
int vsprintf(char* Buffer, const char* Format, va_list AP) {
int ReturnVal = kvprintf(Format, NULL, (void*) Buffer, 10, AP);
Buffer[ReturnVal] = '\0';
return ReturnVal;
}
void printUnicode(CHAR16* String, size_t Size) {
for(size_t Char = 0; Char < Size; Char++) {
if( ((char*)String)[Char] != 0) {
printf("%c", ((char*)String)[Char]);
}
}
}

31
kernel/utils.c
View File

@ -11,12 +11,7 @@
* permanent solution can be found.
*/
#include <kernel/utils.h>
#include <kernel/tty.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include <kernel.h>
/*
Returns the length of a given string.
@ -29,27 +24,6 @@ size_t strlen(const char* string) {
return size;
}
/*
Read data from a port. Effectively communicates with hardware.
* @param port: The port number to read, as a hex short.
*/
uint8_t inb(uint16_t port) {
uint8_t ptr;
asm volatile("inb %1, %0" : "=a" (ptr) : "dN" (port));
return ptr;
}
/*
Write data to a port. Effectively communicates with hardware.
* @param port: The port to read
* @param data: A pointer to which the data will be stored.
*/
void outb(uint16_t port, uint8_t data) {
asm volatile("outb %1, %0" : : "dN" (port), "a" (data));
}
/*
Memory Copy. Required by GCC.
* @param dest: The destination in memory, to which the data will be copied.
@ -192,8 +166,7 @@ void empty_string(char* string) {
* @param cause: A string, telling the basic reason for the crash.
*/
void panic(char* cause) {
term_writes("\n\n>>>> PANIC <<<<\nCaused by: ");
term_writes(cause);
printf("Kernel Halted.");
for(;;);