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Made Open() syscall work (badly)

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Tom-on
2024-08-26 14:43:12 +02:00
parent 105b58a684
commit 9388457774
6 changed files with 59 additions and 48 deletions
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src/kernel.c
+27 -7
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@@ -62,7 +62,7 @@ void main() {
// Setup kernel malloc variables
mallocNode_t* kernelMallocListHead = 0;
uint32_t kernelMallocVirtualAddr = KERNEL_MALLOC_AREA;
uint32_t kernelMallocPhysicalAddr = (uint32_t)allocBlocks(1); // TODO: Kernel may use more than 4kB?
uint32_t kernelMallocPhysicalAddr = (uint32_t)allocBlocks(16); // TODO: Kernel may use more than 64kB?
uint32_t kernelMallocPages = 1;
mapPage((void*)kernelMallocPhysicalAddr, (void*)kernelMallocVirtualAddr);
@@ -176,7 +176,7 @@ void main() {
drawCircle(1500, 600, 300, WHITE);
fillCircle(950, 750, 75, rgb(0xa2, 0xd6, 0xf9));
getc(); // Wait until we get a 'q'
getc(); // Wait until we get a keystroke
clear();
} else if (strcmp(argv[0], "help") == 0) {
printf("Available Commands:\n");
@@ -233,13 +233,33 @@ void main() {
disableSpeaker();
} else { // TODO: Use cwd for this
char* fileName = argv[0];
//FILE* fp = fopen(fileName, "rb");
//if (fp == NULL) {
FILE* _f = fopen(fileName, "rb");
if (_f == NULL) {
printf("Command not found: %s\n", fileName);
// continue;
//}
continue;
}
FILE* fp = openFileTable + _f->_file;
printf("%d: 0x%x Bytes", fp->_file, fp->_size);
for (size_t i = 0; i < fp->_size; i++) {
if (i % 32 == 0) {
if (i != 0) {
size_t oldi = i;
i -= 32;
while (i < oldi) {
char c = fp->_ptr[i++];
printf("%c", c < 32 ? '.' : c);
}
}
printf("\n%x: ", i);
}
printf("%x ", fp->_ptr[i]);
}
printf("\n");
free(_f);
fclose(fp);
}
}