tyromaniac/genusOS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fixed mostly everything, works on my real hardware, turns out bochs just hates me

Browse Source
This commit is contained in:
Hopeless Tyromancy 2026-02-15 22:17:48 -05:00
parent 07e8015800
commit 69baa26d9b
24 changed files with 1110 additions and 1048 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
bin/os
View File

Binary file not shown.

26
flake.lock generated Normal file
View File

@ -0,0 +1,26 @@
{
"nodes": {
"nixpkgs": {
"locked": {
"lastModified": 1771205900,
"narHash": "sha256-GDTqgUN8pI8lE55wTdaFOS+xwwOOz/w055SbCLLFTqA=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "805ba342d424b11deabad6e1597372a3cfb39a59",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

BIN
image.hdd
View File

Binary file not shown.

3
obj/src/int.c.d
View File

@ -1,4 +1,5 @@
obj/src/int.c.o: src/int.c src/apic.h src/common.h src/print.h
obj/src/int.c.o: src/int.c src/apic.h src/common.h src/print.h src/kbd.h
src/apic.h:
src/common.h:
src/print.h:
src/kbd.h:

BIN
obj/src/int.c.o
View File

Binary file not shown.

4
obj/src/main.c.d
View File

@ -1,9 +1,9 @@
obj/src/main.c.o: src/main.c src/../include/limine.h src/acpi.h \
src/common.h src/apic.h src/alloc.h src/map.h src/print.h
src/common.h src/alloc.h src/apic.h src/map.h src/print.h
src/../include/limine.h:
src/acpi.h:
src/common.h:
src/apic.h:
src/alloc.h:
src/apic.h:
src/map.h:
src/print.h:

BIN
obj/src/main.c.o
View File

Binary file not shown.

2
src/acpi.c
View File

@ -10,8 +10,6 @@
#define RSDT_SIGNATURE "RSDT"
#define XSDT_SIGNATURE "XSDT"
static struct acpi_rsdt *rsdt;
struct acpi_rsdp_header *rsdp;

2
src/acpi.h
View File

@ -2,10 +2,8 @@
#include "common.h"
#define RSDP_SIGNATURE "RSDT PTR "
pstruct acpi_rsdp_header {
u8 signature[8];
u8 checksum;

30
src/alloc.c
View File

@ -1,11 +1,12 @@
#include "alloc.h"
#include "../include/limine.h"
#include "common.h"
#include "print.h"
#include "../include/limine.h"
__attribute__((used, section(".limine_requests")))
static volatile struct limine_memmap_request mem_req = {
__attribute__((
used,
section(".limine_requests"))) static volatile struct limine_memmap_request
mem_req = {
.id = LIMINE_MEMMAP_REQUEST_ID,
.revision = 0,
};
@ -27,17 +28,8 @@ static void print_memmap_entry(struct limine_memmap_entry* entry) {
"ACPI Tables",
};
static u32 type_colors[] = {
0x00AF00,
0xAF1F00,
0x7f7f00,
0x7f7f00,
0xFF0000,
0x007f7f,
0x408000,
0x0000FF,
0x00FF00
};
static u32 type_colors[] = {0x00AF00, 0xAF1F00, 0x7f7f00, 0x7f7f00, 0xFF0000,
0x007f7f, 0x408000, 0x0000FF, 0x00FF00};
bg = type_colors[entry->type];
fg = ~bg;
@ -55,8 +47,6 @@ static void print_memmap_entry(struct limine_memmap_entry* entry) {
bg = savebg;
}
static size_t total_pages;
static u8 *alloc_start;
static u8 *alloc_end;
@ -94,7 +84,6 @@ void alloc_init() {
hang();
}
total_pages = largest_size / PAGE_SIZE;
size_t usage_bitmap_size = (total_pages + 7) / 8;
total_pages -= (usage_bitmap_size + PAGE_SIZE - 1) / PAGE_SIZE;
@ -108,9 +97,7 @@ static size_t page(void* addr) {
return ((u8 *)addr - alloc_start) / PAGE_SIZE;
}
static void* addr(size_t page) {
return alloc_start + page*PAGE_SIZE;
}
static void *addr(size_t page) { return alloc_start + page * PAGE_SIZE; }
static void usepage(size_t page) {
size_t idx = page / 64;
@ -198,4 +185,3 @@ void* alloc(size_t size) {
return NULL;
}

5
src/alloc.h
View File

@ -6,11 +6,8 @@ void alloc_init();
void *alloc(size_t size);
void dealloc(void *arg, size_t size);
static inline u64 virt_to_phys(void* virt) {
return (u64)virt - hhdm_offset;
}
static inline u64 virt_to_phys(void *virt) { return (u64)virt - hhdm_offset; }
static inline void *phys_to_virt(u64 phys) {
return (void *)(phys + hhdm_offset);
}

24
src/apic.c
View File

@ -1,6 +1,6 @@
#include "common.h"
#include "print.h"
#include "map.h"
#include "print.h"
// stub of a PIC layout, we don't need the whole thing
// as we only care about initializing it to disable it
@ -27,7 +27,6 @@ enum {
#define IOAPIC_ACTIVE_LOW (1 << 13)
#define IOAPIC_ACTIVE_HIGH (0 << 13)
static void pic_init() {
// Start initialization sequence
outb(PIC_COMM_MASTER, 0x11); // ICW1: Initialize in cascading mode
@ -53,11 +52,7 @@ static void pic_disable() {
static inline u64 rdmsr(u32 msr) {
u32 hi, lo;
asm volatile (
"rdmsr"
: "=a"(lo), "=d"(hi)
: "c"(msr)
);
asm volatile("rdmsr" : "=a"(lo), "=d"(hi) : "c"(msr));
return (((u64)hi) << 32) | (u64)lo;
}
@ -65,14 +60,9 @@ static inline u64 rdmsr(u32 msr) {
static inline void wrmsr(u32 msr, u64 val) {
u32 eax = (u32)val;
u32 edx = (u32)(val >> 32);
asm volatile (
"wrmsr"
:
: "c"(msr), "a" (eax), "d" (edx)
);
asm volatile("wrmsr" : : "c"(msr), "a"(eax), "d"(edx));
}
static u64 apic_base;
u64 apic_get_local_base() {
@ -96,9 +86,7 @@ static u64 apic_set_local_base(u64 base) {
return base & 0xfffff000;
}
u32* apic_reg(u32 reg) {
return (u32*) (hhdm_offset + apic_base + reg);
}
u32 *apic_reg(u32 reg) { return (u32 *)(hhdm_offset + apic_base + reg); }
void send_eoi() {
volatile u32 *reg = apic_reg(0xB0);
@ -169,7 +157,8 @@ void ioapic_init() {
// mask all IRQs
for (size_t i = 0; i < 24; i++) {
u8 vect = 0x20 + i;
u32 low = vect | IOAPIC_MASKED | IOAPIC_DST_PHYS | IOAPIC_EDGE_TRIGG | IOAPIC_ACTIVE_HIGH;
u32 low = vect | IOAPIC_MASKED | IOAPIC_DST_PHYS | IOAPIC_EDGE_TRIGG |
IOAPIC_ACTIVE_HIGH;
u32 high = 0;
ioapic_write(0x10 + i * 2, low);
@ -184,7 +173,6 @@ void ioapic_init() {
u32 low = ioapic_read(IOAPIC_REG_REDIR(irq));
u32 high = ioapic_read(IOAPIC_REG_REDIR(irq) + 1);
print("Current redirection for IRQ");
print8(irq);
print(": ");

10
src/common.h
View File

@ -15,13 +15,7 @@ typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;
static inline void INT(int n) {
asm volatile (
"int %0"
:
: "i"(n)
);
}
static inline void INT(int n) { asm volatile("int %0" : : "i"(n)); }
static inline void outb(u16 port, u8 value) {
asm volatile("outb %0, %1" : : "a"(value), "Nd"(port));
@ -49,8 +43,6 @@ static inline u32 ind(u16 port) {
return value;
}
void *memcpy(void *dst, const void *src, size_t n);
void *memset(void *s, int c, size_t n);
void *memmove(void *dst, const void *src, size_t n);

4
src/etc.h
View File

@ -7,6 +7,4 @@ void* memset(void* s, int c, size_t n);
void *memmove(void *dst, const void *src, size_t n);
int memcmp(const void *s1, const void *s2, size_t n);
static int isprint(int ch) {
return (u8)(ch-' ') <= ('~'-' ');
}
static int isprint(int ch) { return (u8)(ch - ' ') <= ('~' - ' '); }

112
src/font.h
View File

@ -25,100 +25,20 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#define FONT_HEIGHT 6
static u32 font[] = {
0x0,
0x8021084,
0x294a,
0x15f52bea,
0x8fa38be,
0x33a22e60,
0x2e94d8a2,
0x1084,
0x10421088,
0x4421082,
0xa23880,
0x471000,
0x4420000,
0x70000,
0xc600000,
0x2222200,
0x1d3ad72e,
0x3e4214c4,
0x3e22222e,
0x1d18320f,
0x210fc888,
0x1d183c3f,
0x1d17844c,
0x222221f,
0x1d18ba2e,
0x210f463e,
0xc6018c0,
0x4401000,
0x10411100,
0xe03800,
0x4441040,
0x802322e,
0x3c1ef62e,
0x231fc544,
0x1f18be2f,
0x3c10862e,
0x1f18c62f,
0x3e10bc3f,
0x210bc3f,
0x1d1c843e,
0x2318fe31,
0x3e42109f,
0xc94211f,
0x23149d31,
0x3e108421,
0x231ad6bb,
0x239cd671,
0x1d18c62e,
0x217c62f,
0x30eac62e,
0x2297c62f,
0x1d141a2e,
0x842109f,
0x1d18c631,
0x8454631,
0x375ad631,
0x22a21151,
0x8421151,
0x3e22221f,
0x1842108c,
0x20820820,
0xc421086,
0x4544,
0x3e000000,
0x82,
0x1c97b000,
0xe949c21,
0x1c10b800,
0x1c94b908,
0x1c549800,
0x2211c4c,
0xe87252e,
0x12949c21,
0xc210040,
0x6210802,
0x12519521,
0xc210842,
0x235aac00,
0x12949c00,
0xc949800,
0x213a526,
0x3087252e,
0x2149800,
0xe837000,
0xc213c42,
0xe94a400,
0x464a400,
0x155ac400,
0x36426c00,
0xe872529,
0x1e223c00,
0x1843188c,
0x8421084,
0xc463086,
0x6d800,
0x3fffffff,
0x0, 0x8021084, 0x294a, 0x15f52bea, 0x8fa38be, 0x33a22e60,
0x2e94d8a2, 0x1084, 0x10421088, 0x4421082, 0xa23880, 0x471000,
0x4420000, 0x70000, 0xc600000, 0x2222200, 0x1d3ad72e, 0x3e4214c4,
0x3e22222e, 0x1d18320f, 0x210fc888, 0x1d183c3f, 0x1d17844c, 0x222221f,
0x1d18ba2e, 0x210f463e, 0xc6018c0, 0x4401000, 0x10411100, 0xe03800,
0x4441040, 0x802322e, 0x3c1ef62e, 0x231fc544, 0x1f18be2f, 0x3c10862e,
0x1f18c62f, 0x3e10bc3f, 0x210bc3f, 0x1d1c843e, 0x2318fe31, 0x3e42109f,
0xc94211f, 0x23149d31, 0x3e108421, 0x231ad6bb, 0x239cd671, 0x1d18c62e,
0x217c62f, 0x30eac62e, 0x2297c62f, 0x1d141a2e, 0x842109f, 0x1d18c631,
0x8454631, 0x375ad631, 0x22a21151, 0x8421151, 0x3e22221f, 0x1842108c,
0x20820820, 0xc421086, 0x4544, 0x3e000000, 0x82, 0x1c97b000,
0xe949c21, 0x1c10b800, 0x1c94b908, 0x1c549800, 0x2211c4c, 0xe87252e,
0x12949c21, 0xc210040, 0x6210802, 0x12519521, 0xc210842, 0x235aac00,
0x12949c00, 0xc949800, 0x213a526, 0x3087252e, 0x2149800, 0xe837000,
0xc213c42, 0xe94a400, 0x464a400, 0x155ac400, 0x36426c00, 0xe872529,
0x1e223c00, 0x1843188c, 0x8421084, 0xc463086, 0x6d800, 0x3fffffff,
};

230
src/int.c
View File

@ -3,10 +3,9 @@
#include "apic.h"
// for debugging
#include "print.h"
#include "kbd.h"
#include "common.h"
// for trap debugging
u64 dbg_var = 0;
@ -27,7 +26,6 @@ enum INT_DESC_FLAGS {
ID_PRESENT = 0b10000000,
};
#define CODE64_SELECTOR 0x28
struct int_desc idt[256];
@ -81,15 +79,14 @@ struct cpu_ctx* interrupt_dispatch(struct cpu_ctx* ctx) {
print("] with message: ");
print64(dbg_var);
print("\n");
send_eoi();
if(ctx->vect == 0x21) {
kbd_handler();
}
return ctx;
}
__attribute__((naked))
void int_stub(void) {
__asm__ volatile (
"push %%rax\n"
__attribute__((naked)) void int_stub(void) {
__asm__ volatile("push %%rax\n"
"push %%rbx\n"
"push %%rcx\n"
"push %%rdx\n"
@ -124,27 +121,26 @@ void int_stub(void) {
"iretq\n"
:
:
: "memory"
);
: "memory");
}
// Macro to generate interrupt stubs without error codes (push dummy 0)
#define ISR_NO_ERR(num) \
__attribute__((naked)) void isr##num(void) { \
asm volatile( \
"push $0\n" \
asm volatile("push $0\n" \
"push %0\n" \
"jmp int_stub\n" \
: : "i"(num)); \
: \
: "i"(num)); \
}
// Macro to generate interrupt stubs with error codes
#define ISR_ERR(num) \
__attribute__((naked)) void isr##num(void) { \
asm volatile( \
"push %0\n" \
asm volatile("push %0\n" \
"jmp int_stub\n" \
: : "i"(num)); \
: \
: "i"(num)); \
}
// CPU exceptions (0-31)
@ -182,97 +178,121 @@ ISR_ERR(30) // Security exception (pushes error code)
ISR_NO_ERR(31) // Reserved
// IRQs and user-defined interrupts (32-255)
ISR_NO_ERR(32) ISR_NO_ERR(33) ISR_NO_ERR(34) ISR_NO_ERR(35)
ISR_NO_ERR(36) ISR_NO_ERR(37) ISR_NO_ERR(38) ISR_NO_ERR(39)
ISR_NO_ERR(40) ISR_NO_ERR(41) ISR_NO_ERR(42) ISR_NO_ERR(43)
ISR_NO_ERR(44) ISR_NO_ERR(45) ISR_NO_ERR(46) ISR_NO_ERR(47)
ISR_NO_ERR(48) ISR_NO_ERR(49) ISR_NO_ERR(50) ISR_NO_ERR(51)
ISR_NO_ERR(52) ISR_NO_ERR(53) ISR_NO_ERR(54) ISR_NO_ERR(55)
ISR_NO_ERR(56) ISR_NO_ERR(57) ISR_NO_ERR(58) ISR_NO_ERR(59)
ISR_NO_ERR(60) ISR_NO_ERR(61) ISR_NO_ERR(62) ISR_NO_ERR(63)
ISR_NO_ERR(64) ISR_NO_ERR(65) ISR_NO_ERR(66) ISR_NO_ERR(67)
ISR_NO_ERR(68) ISR_NO_ERR(69) ISR_NO_ERR(70) ISR_NO_ERR(71)
ISR_NO_ERR(72) ISR_NO_ERR(73) ISR_NO_ERR(74) ISR_NO_ERR(75)
ISR_NO_ERR(76) ISR_NO_ERR(77) ISR_NO_ERR(78) ISR_NO_ERR(79)
ISR_NO_ERR(80) ISR_NO_ERR(81) ISR_NO_ERR(82) ISR_NO_ERR(83)
ISR_NO_ERR(84) ISR_NO_ERR(85) ISR_NO_ERR(86) ISR_NO_ERR(87)
ISR_NO_ERR(88) ISR_NO_ERR(89) ISR_NO_ERR(90) ISR_NO_ERR(91)
ISR_NO_ERR(92) ISR_NO_ERR(93) ISR_NO_ERR(94) ISR_NO_ERR(95)
ISR_NO_ERR(96) ISR_NO_ERR(97) ISR_NO_ERR(98) ISR_NO_ERR(99)
ISR_NO_ERR(100) ISR_NO_ERR(101) ISR_NO_ERR(102) ISR_NO_ERR(103)
ISR_NO_ERR(104) ISR_NO_ERR(105) ISR_NO_ERR(106) ISR_NO_ERR(107)
ISR_NO_ERR(108) ISR_NO_ERR(109) ISR_NO_ERR(110) ISR_NO_ERR(111)
ISR_NO_ERR(112) ISR_NO_ERR(113) ISR_NO_ERR(114) ISR_NO_ERR(115)
ISR_NO_ERR(116) ISR_NO_ERR(117) ISR_NO_ERR(118) ISR_NO_ERR(119)
ISR_NO_ERR(120) ISR_NO_ERR(121) ISR_NO_ERR(122) ISR_NO_ERR(123)
ISR_NO_ERR(124) ISR_NO_ERR(125) ISR_NO_ERR(126) ISR_NO_ERR(127)
ISR_NO_ERR(128) ISR_NO_ERR(129) ISR_NO_ERR(130) ISR_NO_ERR(131)
ISR_NO_ERR(132) ISR_NO_ERR(133) ISR_NO_ERR(134) ISR_NO_ERR(135)
ISR_NO_ERR(136) ISR_NO_ERR(137) ISR_NO_ERR(138) ISR_NO_ERR(139)
ISR_NO_ERR(140) ISR_NO_ERR(141) ISR_NO_ERR(142) ISR_NO_ERR(143)
ISR_NO_ERR(144) ISR_NO_ERR(145) ISR_NO_ERR(146) ISR_NO_ERR(147)
ISR_NO_ERR(148) ISR_NO_ERR(149) ISR_NO_ERR(150) ISR_NO_ERR(151)
ISR_NO_ERR(152) ISR_NO_ERR(153) ISR_NO_ERR(154) ISR_NO_ERR(155)
ISR_NO_ERR(156) ISR_NO_ERR(157) ISR_NO_ERR(158) ISR_NO_ERR(159)
ISR_NO_ERR(160) ISR_NO_ERR(161) ISR_NO_ERR(162) ISR_NO_ERR(163)
ISR_NO_ERR(164) ISR_NO_ERR(165) ISR_NO_ERR(166) ISR_NO_ERR(167)
ISR_NO_ERR(168) ISR_NO_ERR(169) ISR_NO_ERR(170) ISR_NO_ERR(171)
ISR_NO_ERR(172) ISR_NO_ERR(173) ISR_NO_ERR(174) ISR_NO_ERR(175)
ISR_NO_ERR(176) ISR_NO_ERR(177) ISR_NO_ERR(178) ISR_NO_ERR(179)
ISR_NO_ERR(180) ISR_NO_ERR(181) ISR_NO_ERR(182) ISR_NO_ERR(183)
ISR_NO_ERR(184) ISR_NO_ERR(185) ISR_NO_ERR(186) ISR_NO_ERR(187)
ISR_NO_ERR(188) ISR_NO_ERR(189) ISR_NO_ERR(190) ISR_NO_ERR(191)
ISR_NO_ERR(192) ISR_NO_ERR(193) ISR_NO_ERR(194) ISR_NO_ERR(195)
ISR_NO_ERR(196) ISR_NO_ERR(197) ISR_NO_ERR(198) ISR_NO_ERR(199)
ISR_NO_ERR(200) ISR_NO_ERR(201) ISR_NO_ERR(202) ISR_NO_ERR(203)
ISR_NO_ERR(204) ISR_NO_ERR(205) ISR_NO_ERR(206) ISR_NO_ERR(207)
ISR_NO_ERR(208) ISR_NO_ERR(209) ISR_NO_ERR(210) ISR_NO_ERR(211)
ISR_NO_ERR(212) ISR_NO_ERR(213) ISR_NO_ERR(214) ISR_NO_ERR(215)
ISR_NO_ERR(216) ISR_NO_ERR(217) ISR_NO_ERR(218) ISR_NO_ERR(219)
ISR_NO_ERR(220) ISR_NO_ERR(221) ISR_NO_ERR(222) ISR_NO_ERR(223)
ISR_NO_ERR(224) ISR_NO_ERR(225) ISR_NO_ERR(226) ISR_NO_ERR(227)
ISR_NO_ERR(228) ISR_NO_ERR(229) ISR_NO_ERR(230) ISR_NO_ERR(231)
ISR_NO_ERR(232) ISR_NO_ERR(233) ISR_NO_ERR(234) ISR_NO_ERR(235)
ISR_NO_ERR(236) ISR_NO_ERR(237) ISR_NO_ERR(238) ISR_NO_ERR(239)
ISR_NO_ERR(240) ISR_NO_ERR(241) ISR_NO_ERR(242) ISR_NO_ERR(243)
ISR_NO_ERR(244) ISR_NO_ERR(245) ISR_NO_ERR(246) ISR_NO_ERR(247)
ISR_NO_ERR(248) ISR_NO_ERR(249) ISR_NO_ERR(250) ISR_NO_ERR(251)
ISR_NO_ERR(252) ISR_NO_ERR(253) ISR_NO_ERR(254) ISR_NO_ERR(255)
ISR_NO_ERR(32)
ISR_NO_ERR(33) ISR_NO_ERR(34) ISR_NO_ERR(35) ISR_NO_ERR(36) ISR_NO_ERR(37) ISR_NO_ERR(
38) ISR_NO_ERR(39) ISR_NO_ERR(40) ISR_NO_ERR(41) ISR_NO_ERR(42) ISR_NO_ERR(43)
ISR_NO_ERR(44) ISR_NO_ERR(45) ISR_NO_ERR(46) ISR_NO_ERR(47) ISR_NO_ERR(
48) ISR_NO_ERR(49) ISR_NO_ERR(50) ISR_NO_ERR(51) ISR_NO_ERR(52) ISR_NO_ERR(53)
ISR_NO_ERR(54) ISR_NO_ERR(55) ISR_NO_ERR(56) ISR_NO_ERR(57) ISR_NO_ERR(
58) ISR_NO_ERR(59) ISR_NO_ERR(60) ISR_NO_ERR(61) ISR_NO_ERR(62)
ISR_NO_ERR(63) ISR_NO_ERR(64) ISR_NO_ERR(65) ISR_NO_ERR(66) ISR_NO_ERR(
67) ISR_NO_ERR(68) ISR_NO_ERR(69) ISR_NO_ERR(70) ISR_NO_ERR(71)
ISR_NO_ERR(72) ISR_NO_ERR(73) ISR_NO_ERR(74) ISR_NO_ERR(75) ISR_NO_ERR(
76) ISR_NO_ERR(77) ISR_NO_ERR(78) ISR_NO_ERR(79) ISR_NO_ERR(80)
ISR_NO_ERR(81) ISR_NO_ERR(82) ISR_NO_ERR(83) ISR_NO_ERR(
84) ISR_NO_ERR(85) ISR_NO_ERR(86) ISR_NO_ERR(87)
ISR_NO_ERR(88) ISR_NO_ERR(89) ISR_NO_ERR(90) ISR_NO_ERR(
91) ISR_NO_ERR(92) ISR_NO_ERR(93) ISR_NO_ERR(94)
ISR_NO_ERR(95) ISR_NO_ERR(96) ISR_NO_ERR(97) ISR_NO_ERR(
98) ISR_NO_ERR(99) ISR_NO_ERR(100) ISR_NO_ERR(101)
ISR_NO_ERR(102) ISR_NO_ERR(103) ISR_NO_ERR(
104) ISR_NO_ERR(105) ISR_NO_ERR(106)
ISR_NO_ERR(107) ISR_NO_ERR(108) ISR_NO_ERR(
109) ISR_NO_ERR(110) ISR_NO_ERR(111)
ISR_NO_ERR(112) ISR_NO_ERR(113) ISR_NO_ERR(
114) ISR_NO_ERR(115) ISR_NO_ERR(116)
ISR_NO_ERR(117) ISR_NO_ERR(118) ISR_NO_ERR(
119) ISR_NO_ERR(120) ISR_NO_ERR(121)
ISR_NO_ERR(122) ISR_NO_ERR(
123) ISR_NO_ERR(124)
ISR_NO_ERR(125) ISR_NO_ERR(
126) ISR_NO_ERR(127)
ISR_NO_ERR(128) ISR_NO_ERR(
129) ISR_NO_ERR(130)
ISR_NO_ERR(131) ISR_NO_ERR(
132) ISR_NO_ERR(133)
ISR_NO_ERR(
134) ISR_NO_ERR(135)
ISR_NO_ERR(136) ISR_NO_ERR(
137) ISR_NO_ERR(138)
ISR_NO_ERR(139) ISR_NO_ERR(
140) ISR_NO_ERR(141)
ISR_NO_ERR(142) ISR_NO_ERR(
143)
ISR_NO_ERR(144) ISR_NO_ERR(145) ISR_NO_ERR(146) ISR_NO_ERR(147) ISR_NO_ERR(148) ISR_NO_ERR(149) ISR_NO_ERR(150) ISR_NO_ERR(151) ISR_NO_ERR(152) ISR_NO_ERR(153) ISR_NO_ERR(154) ISR_NO_ERR(155) ISR_NO_ERR(156) ISR_NO_ERR(157) ISR_NO_ERR(158) ISR_NO_ERR(159) ISR_NO_ERR(160) ISR_NO_ERR(161) ISR_NO_ERR(162) ISR_NO_ERR(163) ISR_NO_ERR(164) ISR_NO_ERR(165) ISR_NO_ERR(166) ISR_NO_ERR(167) ISR_NO_ERR(168) ISR_NO_ERR(169) ISR_NO_ERR(170) ISR_NO_ERR(171) ISR_NO_ERR(172) ISR_NO_ERR(173) ISR_NO_ERR(
174) ISR_NO_ERR(175)
ISR_NO_ERR(
176) ISR_NO_ERR(177)
ISR_NO_ERR(
178) ISR_NO_ERR(179)
ISR_NO_ERR(
180) ISR_NO_ERR(181)
ISR_NO_ERR(
182) ISR_NO_ERR(183)
ISR_NO_ERR(
184) ISR_NO_ERR(185)
ISR_NO_ERR(
186)
ISR_NO_ERR(
187)
ISR_NO_ERR(188) ISR_NO_ERR(189) ISR_NO_ERR(190) ISR_NO_ERR(191) ISR_NO_ERR(192) ISR_NO_ERR(193) ISR_NO_ERR(194) ISR_NO_ERR(195) ISR_NO_ERR(
196) ISR_NO_ERR(197)
ISR_NO_ERR(198) ISR_NO_ERR(
199)
ISR_NO_ERR(
200) ISR_NO_ERR(201) ISR_NO_ERR(202) ISR_NO_ERR(203) ISR_NO_ERR(204) ISR_NO_ERR(205) ISR_NO_ERR(206) ISR_NO_ERR(207)
ISR_NO_ERR(208) ISR_NO_ERR(209) ISR_NO_ERR(210) ISR_NO_ERR(211) ISR_NO_ERR(212) ISR_NO_ERR(213) ISR_NO_ERR(214) ISR_NO_ERR(
215) ISR_NO_ERR(216) ISR_NO_ERR(217) ISR_NO_ERR(218)
ISR_NO_ERR(219) ISR_NO_ERR(220) ISR_NO_ERR(221) ISR_NO_ERR(222) ISR_NO_ERR(223) ISR_NO_ERR(224) ISR_NO_ERR(225) ISR_NO_ERR(226) ISR_NO_ERR(227) ISR_NO_ERR(
228) ISR_NO_ERR(229)
ISR_NO_ERR(230) ISR_NO_ERR(231) ISR_NO_ERR(232) ISR_NO_ERR(233) ISR_NO_ERR(234) ISR_NO_ERR(235) ISR_NO_ERR(
236) ISR_NO_ERR(237)
ISR_NO_ERR(
238) ISR_NO_ERR(239)
ISR_NO_ERR(240) ISR_NO_ERR(241) ISR_NO_ERR(242) ISR_NO_ERR(243) ISR_NO_ERR(244) ISR_NO_ERR(245) ISR_NO_ERR(
246) ISR_NO_ERR(247)
ISR_NO_ERR(248) ISR_NO_ERR(
249) ISR_NO_ERR(250)
ISR_NO_ERR(251) ISR_NO_ERR(
252)
ISR_NO_ERR(
253)
ISR_NO_ERR(
254)
ISR_NO_ERR(
255)
// Array of all ISR handlers for easy initialization
void *isr_table[256] = {
isr0, isr1, isr2, isr3, isr4, isr5, isr6, isr7,
isr8, isr9, isr10, isr11, isr12, isr13, isr14, isr15,
isr16, isr17, isr18, isr19, isr20, isr21, isr22, isr23,
isr24, isr25, isr26, isr27, isr28, isr29, isr30, isr31,
isr32, isr33, isr34, isr35, isr36, isr37, isr38, isr39,
isr40, isr41, isr42, isr43, isr44, isr45, isr46, isr47,
isr48, isr49, isr50, isr51, isr52, isr53, isr54, isr55,
isr56, isr57, isr58, isr59, isr60, isr61, isr62, isr63,
isr64, isr65, isr66, isr67, isr68, isr69, isr70, isr71,
isr72, isr73, isr74, isr75, isr76, isr77, isr78, isr79,
isr80, isr81, isr82, isr83, isr84, isr85, isr86, isr87,
isr88, isr89, isr90, isr91, isr92, isr93, isr94, isr95,
isr96, isr97, isr98, isr99, isr100, isr101, isr102, isr103,
isr104, isr105, isr106, isr107, isr108, isr109, isr110, isr111,
isr112, isr113, isr114, isr115, isr116, isr117, isr118, isr119,
isr120, isr121, isr122, isr123, isr124, isr125, isr126, isr127,
isr128, isr129, isr130, isr131, isr132, isr133, isr134, isr135,
isr136, isr137, isr138, isr139, isr140, isr141, isr142, isr143,
isr144, isr145, isr146, isr147, isr148, isr149, isr150, isr151,
isr152, isr153, isr154, isr155, isr156, isr157, isr158, isr159,
isr160, isr161, isr162, isr163, isr164, isr165, isr166, isr167,
isr168, isr169, isr170, isr171, isr172, isr173, isr174, isr175,
isr176, isr177, isr178, isr179, isr180, isr181, isr182, isr183,
isr184, isr185, isr186, isr187, isr188, isr189, isr190, isr191,
isr192, isr193, isr194, isr195, isr196, isr197, isr198, isr199,
isr200, isr201, isr202, isr203, isr204, isr205, isr206, isr207,
isr208, isr209, isr210, isr211, isr212, isr213, isr214, isr215,
isr216, isr217, isr218, isr219, isr220, isr221, isr222, isr223,
isr224, isr225, isr226, isr227, isr228, isr229, isr230, isr231,
isr232, isr233, isr234, isr235, isr236, isr237, isr238, isr239,
isr240, isr241, isr242, isr243, isr244, isr245, isr246, isr247,
isr248, isr249, isr250, isr251, isr252, isr253, isr254, isr255,
isr0, isr1, isr2, isr3, isr4, isr5, isr6, isr7, isr8,
isr9, isr10, isr11, isr12, isr13, isr14, isr15, isr16, isr17,
isr18, isr19, isr20, isr21, isr22, isr23, isr24, isr25, isr26,
isr27, isr28, isr29, isr30, isr31, isr32, isr33, isr34, isr35,
isr36, isr37, isr38, isr39, isr40, isr41, isr42, isr43, isr44,
isr45, isr46, isr47, isr48, isr49, isr50, isr51, isr52, isr53,
isr54, isr55, isr56, isr57, isr58, isr59, isr60, isr61, isr62,
isr63, isr64, isr65, isr66, isr67, isr68, isr69, isr70, isr71,
isr72, isr73, isr74, isr75, isr76, isr77, isr78, isr79, isr80,
isr81, isr82, isr83, isr84, isr85, isr86, isr87, isr88, isr89,
isr90, isr91, isr92, isr93, isr94, isr95, isr96, isr97, isr98,
isr99, isr100, isr101, isr102, isr103, isr104, isr105, isr106, isr107,
isr108, isr109, isr110, isr111, isr112, isr113, isr114, isr115, isr116,
isr117, isr118, isr119, isr120, isr121, isr122, isr123, isr124, isr125,
isr126, isr127, isr128, isr129, isr130, isr131, isr132, isr133, isr134,
isr135, isr136, isr137, isr138, isr139, isr140, isr141, isr142, isr143,
isr144, isr145, isr146, isr147, isr148, isr149, isr150, isr151, isr152,
isr153, isr154, isr155, isr156, isr157, isr158, isr159, isr160, isr161,
isr162, isr163, isr164, isr165, isr166, isr167, isr168, isr169, isr170,
isr171, isr172, isr173, isr174, isr175, isr176, isr177, isr178, isr179,
isr180, isr181, isr182, isr183, isr184, isr185, isr186, isr187, isr188,
isr189, isr190, isr191, isr192, isr193, isr194, isr195, isr196, isr197,
isr198, isr199, isr200, isr201, isr202, isr203, isr204, isr205, isr206,
isr207, isr208, isr209, isr210, isr211, isr212, isr213, isr214, isr215,
isr216, isr217, isr218, isr219, isr220, isr221, isr222, isr223, isr224,
isr225, isr226, isr227, isr228, isr229, isr230, isr231, isr232, isr233,
isr234, isr235, isr236, isr237, isr238, isr239, isr240, isr241, isr242,
isr243, isr244, isr245, isr246, isr247, isr248, isr249, isr250, isr251,
isr252, isr253, isr254, isr255,
};
// Initialize all IDT entries

133
src/kbd.c Normal file
View File

@ -0,0 +1,133 @@
#include "apic.h"
#include "common.h"
#include "print.h"
#include "kbd.h"
#define PIC1_COMMAND 0x20
#define PIC1_DATA 0x21
#define PIC_EOI 0x20
#define PS2_DATA_PORT 0x60
#define PS2_STATUS_PORT 0x64
// Scancode to ASCII mapping (US keyboard layout, simplified)
static const char scancode_to_ascii[] = {
0, 27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
'-', '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i',
'o', 'p', '[', ']', '\n',
0, // Control
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`',
0, // Left shift
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/',
0, // Right shift
'*',
0, // Alt
' ' // Space
};
static const char scancode_to_ascii_shift[] = {
0, 27, '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
'_', '+', '\b', '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I',
'O', 'P', '{', '}', '\n',
0, // Control
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~',
0, // Left shift
'|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?',
0, // Right shift
'*',
0, // Alt
' ' // Space
};
static struct {
bool shift;
bool ctrl;
bool alt;
bool caps;
} kbd_state;
#define KBD_BUFFER_SIZE 1024
static struct {
char buff[KBD_BUFFER_SIZE];
volatile int read_pos;
volatile int write_pos;
} kbd_buff;
static void kbd_buffer_putc(char c) {
int next_pos = (kbd_buff.write_pos + 1) % KBD_BUFFER_SIZE;
if (next_pos != kbd_buff.read_pos) {
kbd_buff.buff[kbd_buff.write_pos] = c;
kbd_buff.write_pos = next_pos;
}
}
char kbd_buffer_getc() {
if (kbd_buff.read_pos == kbd_buff.write_pos) {
return 0;
}
char c = kbd_buff.buff[kbd_buff.read_pos];
kbd_buff.read_pos = (kbd_buff.read_pos + 1) % KBD_BUFFER_SIZE;
return c;
}
void kbd_handler() {
print("KBD HANDLER CALLED: scancode: ");
u8 scancode = inb(PS2_DATA_PORT);
print8(scancode);
print("\n");
bool released = (scancode & 0x80);
scancode &= 0x7F;
switch(scancode) {
case 0x2A:
case 0x36:
kbd_state.shift = !released;
break;
case 0x1D:
kbd_state.ctrl = !released;
break;
case 0x38:
kbd_state.alt = !released;
break;
case 0x3A:
if(!released) {
kbd_state.caps = !kbd_state.caps;
}
default:
break;
}
if(!released && scancode < sizeof(scancode_to_ascii)) {
char c = 0;
if(kbd_state.shift) {
c = scancode_to_ascii_shift[scancode];
} else {
c = scancode_to_ascii[scancode];
}
if(kbd_state.caps && c >= 'a' && c <= 'z') {
} else if(kbd_state.caps && c >= 'A' && c <= 'Z') {
c = c - 'A' + 'a';
}
if(c != 0) {
kbd_buffer_putc(c);
}
printn(&c, 1);
print("\n");
}
send_eoi();
}

2
src/kbd.h Normal file
View File

@ -0,0 +1,2 @@
#pragma once
void kbd_handler();

82
src/main.c
View File

@ -1,47 +1,47 @@
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "../include/limine.h"
#include "acpi.h"
#include "apic.h"
#include "alloc.h"
#include "apic.h"
#include "common.h"
#include "map.h"
#include "print.h"
// credit owed to https://wiki.osdev.org/Limine_Bare_Bones for the limine setup code
// credit owed to https://wiki.osdev.org/Limine_Bare_Bones for the limine setup
// code
__attribute__((used, section(".limine_requests")))
static volatile u64 limine_base_revision[] = LIMINE_BASE_REVISION(4);
__attribute__((
used,
section(".limine_requests"))) static volatile u64 limine_base_revision[] =
LIMINE_BASE_REVISION(4);
__attribute__((used, section(".limine_requests")))
static volatile struct limine_framebuffer_request fb_req = {
.id = LIMINE_FRAMEBUFFER_REQUEST_ID,
.revision = 0
};
__attribute__((
used,
section(
".limine_requests"))) static volatile struct limine_framebuffer_request
fb_req = {.id = LIMINE_FRAMEBUFFER_REQUEST_ID, .revision = 0};
__attribute__((
used,
section(".limine_requests"))) static volatile struct limine_hhdm_request
hhdm_req = {.id = LIMINE_HHDM_REQUEST_ID, .revision = 0};
__attribute__((used, section(".limine_requests")))
static volatile struct limine_hhdm_request hhdm_req = {
.id = LIMINE_HHDM_REQUEST_ID,
.revision = 0
};
__attribute__((used, section(".limine_requests")))
static volatile struct limine_rsdp_request rsdp_req = {
.id = LIMINE_RSDP_REQUEST_ID,
.revision = 0
};
__attribute__((
used,
section(".limine_requests"))) static volatile struct limine_rsdp_request
rsdp_req = {.id = LIMINE_RSDP_REQUEST_ID, .revision = 0};
u64 hhdm_offset;
__attribute__((used, section(".limine_requests_start")))
static volatile u64 limine_requests_start_marker[] = LIMINE_REQUESTS_START_MARKER;
__attribute__((used, section(".limine_requests_start"))) static volatile u64
limine_requests_start_marker[] = LIMINE_REQUESTS_START_MARKER;
__attribute__((used, section(".limine_requests_end")))
static volatile u64 limine_requests_end_marker[] = LIMINE_REQUESTS_END_MARKER;
__attribute__((used, section(".limine_requests_end"))) static volatile u64
limine_requests_end_marker[] = LIMINE_REQUESTS_END_MARKER;
void *memcpy(void *restrict dst, const void *src, size_t n) {
u8 *restrict pdst = (u8 *restrict)dst;
@ -100,16 +100,13 @@ void hang() {
}
}
struct limine_framebuffer *fb;
void draw(u8 vect) {
for (size_t y = 0; y < fb->height; y++) {
for (size_t x = 0; x < fb->width; x++) {
volatile u32 *fb_ptr = fb->address;
fb_ptr[y * fb->width + x] = (
((x ^ y) & 0xff) * 0x0F0003
)*vect;
fb_ptr[y * fb->width + x] = (((x ^ y) & 0xff) * 0x0F0003) * vect;
}
}
}
@ -122,7 +119,8 @@ extern u32 bg;
void enable_ps2_keyboard_interrupts(void) {
// Read PS/2 configuration byte
outb(0x64, 0x20);
while (!(inb(0x64) & 0x01)); // Wait for data
while (!(inb(0x64) & 0x01))
; // Wait for data
u8 config = inb(0x60);
// Enable keyboard interrupt (bit 0) and clock (clear bit 4)
@ -168,10 +166,8 @@ void kmain() {
alloc_init();
rsdp = (struct acpi_rsdp_header *)(rsdp_req.response->address);
print("Found RSDP @ 0x");
print64((u64)rsdp);
put('\n');
@ -183,13 +179,11 @@ void kmain() {
print8(rsdp->revision);
print("\nRSDT at 0x");
struct acpi_rsdt *rsdt =
(struct acpi_rsdt*)(
(rsdp->revision? rsdp->ptr64:rsdp->ptr32) + hhdm_offset
);
(struct acpi_rsdt *)((rsdp->revision ? rsdp->ptr64 : rsdp->ptr32) +
hhdm_offset);
print64((u64)rsdt);
print("\nSDT Signature: ");
printn((const char *)rsdt->signature, sizeof(rsdt->signature));
print("\nAPIC Local Base: ");
@ -214,7 +208,8 @@ void kmain() {
enable_ps2_keyboard_interrupts();
outb(0x64, 0x20); // Read config
while (!(inb(0x64) & 0x01));
while (!(inb(0x64) & 0x01))
;
u8 config = inb(0x60);
asm volatile("sti");
@ -244,14 +239,15 @@ void kmain() {
irr = apic_reg(0x200); // IRR bits 31:0
u32 *isr = apic_reg(0x100); // ISR bits 31:0
print("IRR: "); print32(*irr);
print(" ISR: "); print32(*isr);
print("IRR: ");
print32(*irr);
print(" ISR: ");
print32(*isr);
print("\n");
if (code == 0x01) break; // ESC
if (code == 0x01)
break; // ESC
}
}
hang();
}

43
src/map.c
View File

@ -29,7 +29,6 @@ struct page_entry {
extern u64 hhdm_offset;
// Get current page tables
static u64 get_cr3() {
u64 cr3;
@ -46,7 +45,8 @@ static u64 alloc_page_table() {
}
// Get or create a page table entry at any level
static struct page_entry* get_or_create_table(struct page_entry *table, u64 index) {
static struct page_entry *get_or_create_table(struct page_entry *table,
u64 index) {
if (!table[index].present) {
u64 new_table_phys = alloc_page_table();
if (new_table_phys == 0) {
@ -200,7 +200,8 @@ int test_if_mapped(u64 virt_addr) {
}
// Access PDPT
struct page_entry *pdpt = (struct page_entry*)(((u64)pml4[pml4_idx].frame << 12) + hhdm_offset);
struct page_entry *pdpt =
(struct page_entry *)(((u64)pml4[pml4_idx].frame << 12) + hhdm_offset);
if (!pdpt[pdpt_idx].present) {
print(" PDPT[");
@ -210,7 +211,8 @@ int test_if_mapped(u64 virt_addr) {
}
// Access PD
struct page_entry *pd = (struct page_entry*)(((u64)pdpt[pdpt_idx].frame << 12) + hhdm_offset);
struct page_entry *pd =
(struct page_entry *)(((u64)pdpt[pdpt_idx].frame << 12) + hhdm_offset);
if (!pd[pd_idx].present) {
print(" PD[");
@ -220,7 +222,8 @@ int test_if_mapped(u64 virt_addr) {
}
// Access PT
struct page_entry *pt = (struct page_entry*)(((u64)pd[pd_idx].frame << 12) + hhdm_offset);
struct page_entry *pt =
(struct page_entry *)(((u64)pd[pd_idx].frame << 12) + hhdm_offset);
if (!pt[pt_idx].present) {
print(" PT[");
@ -240,7 +243,6 @@ int test_if_mapped(u64 virt_addr) {
return 1;
}
// Unmap MMIO region
void unmap_mmio(void *virtual_addr, u64 size) {
u64 virt_base = (u64)virtual_addr & ~0xFFF;
@ -257,16 +259,20 @@ void unmap_mmio(void *virtual_addr, u64 size) {
u64 pd_index = (current_virt >> 21) & 0x1FF;
u64 pt_index = (current_virt >> 12) & 0x1FF;
if (!pml4[pml4_index].present) continue;
if (!pml4[pml4_index].present)
continue;
struct page_entry *pdpt = phys_to_virt((u64)pml4[pml4_index].frame << 12);
if (!pdpt[pdpt_index].present) continue;
if (!pdpt[pdpt_index].present)
continue;
struct page_entry *pd = phys_to_virt((u64)pdpt[pdpt_index].frame << 12);
if (!pd[pd_index].present) continue;
if (!pd[pd_index].present)
continue;
struct page_entry *pt = phys_to_virt((u64)pd[pd_index].frame << 12);
if (!pt[pt_index].present) continue;
if (!pt[pt_index].present)
continue;
// Clear the entry
*((u64 *)&pt[pt_index]) = 0;
@ -288,27 +294,31 @@ int is_mapped(u64 physical_addr) {
u64 pd_index = (virtual_addr >> 21) & 0x1FF;
u64 pt_index = (virtual_addr >> 12) & 0x1FF;
if (!pml4[pml4_index].present) return 0;
if (!pml4[pml4_index].present)
return 0;
struct page_entry *pdpt = phys_to_virt((u64)pml4[pml4_index].frame << 12);
if (!pdpt[pdpt_index].present) return 0;
if (!pdpt[pdpt_index].present)
return 0;
// Check for 1GB huge page
if (pdpt[pdpt_index].huge_page) return 1;
if (pdpt[pdpt_index].huge_page)
return 1;
struct page_entry *pd = phys_to_virt((u64)pdpt[pdpt_index].frame << 12);
if (!pd[pd_index].present) return 0;
if (!pd[pd_index].present)
return 0;
// Check for 2MB huge page
if (pd[pd_index].huge_page) return 1;
if (pd[pd_index].huge_page)
return 1;
struct page_entry *pt = phys_to_virt((u64)pd[pd_index].frame << 12);
return pt[pt_index].present;
}
// Read from ACPI register (8-bit)
u8 acpi_read8(void *mmio_base, u64 offset) {
volatile u8 *addr = (volatile u8 *)((u64)mmio_base + offset);
@ -393,7 +403,6 @@ void* map_acpi_table(u64 physical_addr, u64 size) {
return table;
}
void print_page_mapping(u64 virtual_addr) {
print("Page mapping for virtual 0x");
print64(virtual_addr);

9
src/print.c
View File

@ -11,14 +11,12 @@ static size_t term_width, term_height;
static size_t fb_width, fb_height;
static volatile u32 *fb_scr;
#define TAB_STOP 4
// buffer at each edge for readability
#define TERM_WIDTH (FONT_WIDTH + 2)
#define TERM_HEIGHT (FONT_HEIGHT + 2)
void print_init(struct limine_framebuffer *fb) {
term_width = fb->width / TERM_WIDTH;
term_height = fb->height / TERM_HEIGHT;
@ -28,7 +26,8 @@ void print_init(struct limine_framebuffer* fb) {
}
static void scrollback() {
memmove((void*)fb_scr, (void*)(fb_scr + fb_width*TERM_HEIGHT), fb_width*(fb_height-1)*sizeof(u32));
memmove((void *)fb_scr, (void *)(fb_scr + fb_width * TERM_HEIGHT),
fb_width * (fb_height - TERM_HEIGHT) * sizeof(u32));
}
void put(int ch) {
@ -70,7 +69,8 @@ void put(int ch) {
for (size_t y = 0; y < TERM_HEIGHT; y++) {
for (size_t x = 0; x < TERM_WIDTH; x++) {
size_t off = (py + y) * fb_width + (px + x);
bool padding = (y == 0 || y == TERM_HEIGHT-1 || x == 0 || x == TERM_WIDTH-1);
bool padding =
(y == 0 || y == TERM_HEIGHT - 1 || x == 0 || x == TERM_WIDTH - 1);
fb_scr[off] = ((~glyph & 1) | padding) ? bg : fg;
glyph >>= !padding;
}
@ -79,7 +79,6 @@ void put(int ch) {
col++;
}
void print(const char *msg) {
while (*msg) {
put(*(msg++));

1
src/print.h
View File

@ -1,6 +1,5 @@
#pragma once
#include "common.h"
struct limine_framebuffer;