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not sure what these changes were

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This commit is contained in:
Nicholas Orlowsky 2025-02-02 12:44:18 -05:00
parent cd3d8871df
commit 50f5723733
3 changed files with 31 additions and 2 deletions
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4
CMakeLists.txt
View file

@ -41,6 +41,6 @@ add_custom_command(OUTPUT os.iso
) )
# Run & Debug targets # Run & Debug targets
add_custom_target(run COMMAND qemu-system-i386 -boot d -cdrom os.iso -m 512 -machine type=pc-i440fx-3.1 -monitor stdio DEPENDS os.iso) add_custom_target(run COMMAND qemu-system-i386 -boot d -cdrom os.iso -m 512 -machine type=pc-i440fx-3.1 -monitor stdio -drive id=disk,file=/dev/null,if=none -device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 DEPENDS os.iso)
add_custom_target(debug COMMAND ./debug.sh DEPENDS os.iso) add_custom_target(debug COMMAND ../debug.sh DEPENDS os.iso)

4
kernel/kernel.c
View file

@ -1,5 +1,6 @@
#include "./scheduler.c" #include "./scheduler.c"
#include "./vga.c" #include "./vga.c"
#include "./rsdp.c"
#include <stdint.h> #include <stdint.h>
#include "./test_processes.c" #include "./test_processes.c"
@ -14,6 +15,9 @@ int kernel_main() {
outb(0x3D4, 0x0A); outb(0x3D4, 0x0A);
outb(0x3D5, 0x20); outb(0x3D5, 0x20);
find_rsdp();
for(;;){}
clear_screen(); clear_screen();
interrupt_disable(); interrupt_disable();

25
kernel/memory.c
View file

@ -2,6 +2,31 @@
#include <stdint.h> #include <stdint.h>
// Below doesn't work!
//uint8_t streq(char *ptr, char* ptr2) {
// while (1 == 1) {
// if (*ptr != *ptr2) {
// return 0;
// }
//
// if (*ptr == '\0') {
// return 1;
// }
//
// ptr++;
// ptr2++;
// }
//}
uint8_t memseq(char *ptr, char *ptr2, uint32_t len) {
for (uint32_t i = 0; i < len; i++) {
if (ptr[i] != ptr2[i]) {
return 0;
}
}
return 1;
}
void memset(char *ptr, char data, uint32_t len) { void memset(char *ptr, char data, uint32_t len) {
for (uint32_t i = 0; i < len; i++) { for (uint32_t i = 0; i < len; i++) {
ptr[i] = data; ptr[i] = data;