blob: 5823a152709c195377c0ed8c56047c5089ef0190 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#include "boucane.hpp"
#include "core/paging.hpp"
#include "drivers/memtext.hpp"
#include "core/idt.hpp"
#include "boot/multiboot2.hpp"
#include "drivers/framebuffer.hpp"
#include "drivers/psftext.hpp"
#include "drivers/vgatext.hpp"
#include "libs/stdio.hpp"
#include "libs/string.hpp"
u64 kvar_kernel_vma;
u64 kvar_stack_pma;
u64 kvar_userspace_pma;
u64 kvar_bss_start;
u64 kvar_bss_end;
u64 kvar_terminus_psf_start;
u64 kvar_terminus_psf_end;
void (*printk)(char *str,...)=printf;
extern "C" void boucane(u64 mb_info){
// Init linker variables
asm volatile ("movq $__kernel_vma, %0":"=m"(kvar_kernel_vma));
asm volatile ("movq $__userspace_pma, %0":"=m"(kvar_userspace_pma));
asm volatile ("movq $__stack_pma, %0":"=m"(kvar_stack_pma));
asm volatile ("movq $__bss_start, %0":"=m"(kvar_bss_start));
asm volatile ("movq $__bss_end, %0":"=m"(kvar_bss_end));
asm volatile ("movq $res_binary_res_terminus_psf_start, %0":"=m"(kvar_terminus_psf_start));
asm volatile ("movq $res_binary_res_terminus_psf_end, %0":"=m"(kvar_terminus_psf_end));
// Init data structures
asm volatile ("call load_gdt");
paging_enable();
memtext_init();
idt_enable_interrupt();
// Looking for framebuffer
FRAMEBUFFER fb_info;
if(mb2_find_framebuffer((u32*)mb_info, &fb_info)){
if(fb_info.bpp>16){
FB_CFG conf;
conf.depth=fb_info.bpp;
conf.location=fb_info.addr;
conf.pitch=fb_info.pitch;
conf.width=fb_info.width;
conf.height=fb_info.height;
framebuffer_init(conf);
psftext_init((void*)kvar_terminus_psf_start);
__putchar=psftext_putchar;
}
else{
vgatext_init();
__putchar=vgatext_putchar;
}
}
// Booting!
printk("Booting Boucane v%d.%d.%d\n",VERSION_MAJOR,VERSION_MINOR, VERSION_PATH);
while(1);
}
|
