1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "fpu.h"
#include "gdt.h"
#include "gfx.h"
#include "gfx_font.h"
#include "idt.h"
#include "isr.h"
#include "irq.h"
#include "log.h"
#include "multiboot.h"
#include "panic.h"
#include "pcspkr.h"
#include "ps2.h"
#include "fpu.h"
#include "timer.h"
#include "tty.h"
void gpf(struct regs_t regs)
{
gfx_reset();
printf("General protection fault!\n");
printf("EIP before fault: 0x%x\n", regs.eip);
printf("Error code: 0x%x\n", regs.err_code);
panic("GPF!");
}
void main(struct multiboot_info_t *hdr, uint32_t magic)
{
fpu_enable();
asm("movq %xmm0, %xmm0");
/* this should go to port e9, which is the Bochs debug port */
printf("Testing early I/O\n");
printf("GFX init\n");
bool gfx_status = gfx_init((struct vbe_info_t*)hdr->vbe_mode_info);
/* if graphical initialization fails, fall back to text mode */
if(!gfx_status)
{
tty_init();
printf("Graphics init failed, fell back to text mode.\n");
}
if(magic != 0x2BADB002)
{
panic("Multiboot magic invalid");
}
/* then the descriptor tables so we can do more useful stuff */
gdt_init();
idt_init();
/* install all the interrupt stubs */
isr_init();
irq_init();
/* initialize other drivers */
timer_init(HZ);
ps2_init();
set_interrupt_handler(0xd, gpf);
asm("sti");
printf("Boot finished.\n");
printf("Running graphics benchmark...\n");
srand(42);
if(gfx_status)
{
const int width = *gfx_width;
const int height = *gfx_height;
gfx_clear();
int startpix = *current_tick;
for(int i=0;i<1000000;++i)
{
int rx = rand() % width;
int ry = rand() % height;
gfx_set_foreground(rand() % 0x1000000);
gfx_drawpixel(rx, ry);
}
int endpix = *current_tick;
gfx_clear();
int startfill = *current_tick;
for(int i=0;i<1000;++i)
{
gfx_set_background(rand() % 0x1000000);
gfx_clear();
}
int endfill = *current_tick;
gfx_clear();
int starttext = *current_tick;
for(int i=0;i<1000000;++i)
{
int rx = rand() % width;
int ry = rand() % height;
gfx_set_foreground(rand() % 0x1000000);
gfx_drawchar(rx, ry, rand()%127+1);
}
int endtext = *current_tick;
gfx_clear();
int starthline = *current_tick;
for(int i=0;i<1000000;++i)
{
gfx_set_foreground(rand() % 0x1000000);
gfx_hline(rand() % width, rand() % width, rand() % height);
}
int endhline = *current_tick;
gfx_clear();
int startvline = *current_tick;
for(int i=0;i<1000000;++i)
{
gfx_set_foreground(rand() % 0x1000000);
gfx_vline(rand() % height, rand() % height, rand() % width);
}
int endvline = *current_tick;
gfx_clear();
int startrect = *current_tick;
for(int i=0;i<10000;++i)
{
int x = rand() % width;
int y = rand() % height;
int w = rand() % (width - x);
int h = rand() % (height - y);
gfx_set_foreground(rand() % 0x1000000);
gfx_fillrect(x, y, w, h);
}
int endrect = *current_tick;
gfx_clear();
int startline = *current_tick;
for(int i=0;i<1000000;++i)
{
int x1= rand() % width;
int x2= rand() % width;
int y1= rand() % height;
int y2= rand() % height;
gfx_set_foreground(rand() % 0x1000000);
gfx_drawline(x1, y1, x2, y2);
}
int endline = *current_tick;
gfx_reset();
printf("--- Graphics benchmark results ---\n");
printf("Ticks for 1,000,000 random pixels: %d\n", endpix-startpix);
printf("Ticks for 1,000 random fills: %d\n", endfill-startfill);
printf("Ticks for 1,000,000 random chars: %d\n", endtext-starttext);
printf("Ticks for 1,000,000 random hlines: %d\n", endhline-starthline);
printf("Ticks for 1,000,000 random vlines: %d\n", endvline-startvline);
printf("Ticks for 10,000 random rects: %d\n", endrect-startrect);
printf("Ticks for 1,000,000 random lines: %d\n", endline-startline);
printf("Ticks per second: %d\n", HZ);
printf("Resolution: %dx%dx%d\n", *gfx_width, *gfx_height, *gfx_bpp * 8);
}
printf("Testing keyboard LED's...\n");
while(1)
{
ps2_set_leds(PS2_NUM_LOCK);
timer_delay(HZ/4);
ps2_set_leds(PS2_CAPS_LOCK);
timer_delay(HZ/4);
ps2_set_leds(PS2_SCROLL_LOCK);
timer_delay(HZ/4);
ps2_set_leds(PS2_CAPS_LOCK);
timer_delay(HZ/4);
}
}
|
