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Got .bin file execution working (badly). Will need to do something with syscalls probably

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Tom-on
2024-04-21 18:09:55 +02:00
parent 6e44e5d729
commit 26cefb5916
5 changed files with 94 additions and 46 deletions
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src/kernel.c
+58 -45
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@@ -14,6 +14,9 @@
// TODO: Put this at a set address
char filetable[512];
// Function declarations
void printFiletable(char* ft);
void main() {
// Interrupts
setupIdt();
@@ -159,44 +162,7 @@ void main() {
print(" reboot | Reboots the system\n");
print(" test | Performs tests\n");
} else if (strcmp(input, "ls") == 0) {
char* ft = filetable;
while (*ft != '\0') {
char filename[15] = { 0 };
uint8_t offset = 0;
for (uint8_t i = 0; i < 14; i++) {
if (i == 9) {
filename[offset++] = '.';
continue;
}
if (*ft != '\0') { filename[offset++] = *ft; }
ft++;
}
ft++; // RESERVED
uint8_t sector = *ft++;
uint8_t size = *ft++;
if (sector < 10) putc('0');
if (sector == 0) putc('0');
else print(itoa(sector, 10));
print(": ");
print(filename);
for (uint8_t i = 14 - strlen(filename); i > 0; i--) {
putc(' ');
}
print(" | ");
if (size >> 1) {
print(itoa(size >> 1, 10));
if (size & 0x01) { print(".5"); }
print("kB\n");
} else {
print(itoa(size*512, 10));
print("B\n");
}
}
printFiletable(filetable);
} else if (strcmp(input, "reboot") == 0) {
outb(0x64, 0xFE);
} else if (strcmp(input, "test") == 0) {
@@ -240,21 +206,29 @@ void main() {
ft++; // RESERVED
uint8_t sector = *ft++;
uint8_t size = *ft++;
found++; // Set found to 1
char buf[size * 512];
diskRead(sector, size, buf);
// TODO: Print .txt files, launch .bin files
// For calling .bin files, use '((void (*)(void))buf)()' to jump to it
char* fileType = strchr(filename, '.') + 1;
for (size_t i = 0; i < size * 512; i++) {
if (buf[i] != '\0') {
putc(buf[i]);
if (strcmp(fileType, "bin") == 0) {
memcopy(buf, (char*)0x10000, size * 512);
clear();
((void(*)(void))0x10000)(); // Call program
clear();
} else if (strcmp(fileType, "tab") == 0) {
printFiletable(buf);
} else {
for (size_t i = 0; i < size * 512; i++) {
if (buf[i] != '\0') {
putc(buf[i]);
}
}
putc('\n');
}
putc('\n');
found++; // Set found to 1
break;
}
@@ -270,3 +244,42 @@ void main() {
}
}
void printFiletable(char* ft) {
while (*ft != '\0') {
char filename[15] = { 0 };
uint8_t offset = 0;
for (uint8_t i = 0; i < 14; i++) {
if (i == 9) {
filename[offset++] = '.';
continue;
}
if (*ft != '\0') { filename[offset++] = *ft; }
ft++;
}
ft++; // RESERVED
uint8_t sector = *ft++;
uint8_t size = *ft++;
if (sector < 10) putc('0');
if (sector == 0) putc('0');
else print(itoa(sector, 10));
print(": ");
print(filename);
for (uint8_t i = 14 - strlen(filename); i > 0; i--) {
putc(' ');
}
print(" | ");
if (size >> 1) {
print(itoa(size >> 1, 10));
if (size & 0x01) { print(".5"); }
print("kB\n");
} else {
print(itoa(size*512, 10));
print("B\n");
}
}
}