Added tarball reading!

Makefile

@@ -3,7 +3,7 @@ all:
 	@cp -v \
 	source/wing_kernel.elf \
 	source/boot/limine.cfg \
-	source/boot/test-icon.tga \
+	source/boot/init_ramdisk.tar \
 	limine/limine-bios.sys \
 	limine/limine-bios-pxe.bin \
 	limine/limine-bios-cd.bin \

source/boot/limine.cfg

@@ -21,7 +21,7 @@ TERM_FONT=boot:///iso.f16
 
     # Path to the kernel to boot. boot:/// represents the partition on which limine.cfg is located.
     KERNEL_PATH=${WING_KERNEL}
-    MODULE_PATH=boot:///test-icon.tga
+    MODULE_PATH=boot:///init_ramdisk.tar
 
 # Same thing, but without KASLR.
 :FrostWing
@@ -32,4 +32,4 @@ TERM_FONT=boot:///iso.f16
     KASLR=no
 
     KERNEL_PATH=${WING_KERNEL}
-    MODULE_PATH=boot:///test-icon.tga
+    MODULE_PATH=boot:///init_ramdisk.tar

source/includes/archive/tarball.h

@@ -0,0 +1,34 @@
+/**
+ * @file tarball.h
+ * @author Pradosh ([email protected])
+ * @brief 
+ * @version 0.1
+ * @date 2023-12-30
+ * 
+ * @copyright Copyright (c) Pradosh 2023
+ * 
+ */
+#include <basics.h>
+
+#define block_size 512
+
+struct tarball_header {
+    char name[100];
+    char mode[8];
+    char owner[8];
+    char group[8];
+    char size[12];
+    char mtime[12];
+    char checksum[8];
+    char type;
+    char linkname[100];
+    char magic[6];
+    char version[2];
+    char owner_name[32];
+    char group_name[32];
+    char dev_major[8];
+    char dev_minor[8];
+    char prefix[155];
+};
+
+void extract_tarball(int64* tarball_addr);

source/kernel/C/archive/tarball.c

@@ -0,0 +1,43 @@
+/**
+ * @file tarball.c
+ * @author Pradosh ([email protected])
+ * @brief 
+ * @version 0.1
+ * @date 2023-12-30
+ * 
+ * @copyright Copyright (c) Pradosh 2023
+ * 
+ */
+#include <archive/tarball.h>
+
+char* filenames[2 KiB];
+char* file_datas[2 KiB];
+
+int counter;
+
+void extract_tarball(int64* tarball_addr) {
+    uintptr_t addr = (uintptr_t)tarball_addr;
+
+    while (1) {
+        if(counter >= 2 KiB){
+            error("You reached number of file limits of 2 KiB!", __FILE__);
+            break;
+        }
+        struct tarball_header *header = (struct tar_header *)addr;
+
+        if (header->name[0] == '\0') {
+            break;
+        }
+
+        unsigned int size = strtol(header->size, NULL, 8);
+
+        char *filename = header->name;
+        char *contents = (char *)(addr + block_size);
+
+        filenames[counter] = filename;
+        file_datas[counter] = file_datas;
+
+        addr += block_size + ((size + block_size - 1) / block_size) * block_size;
+        counter++;
+    }
+}

source/kernel/C/kernel.c

@@ -378,7 +378,7 @@ void main(void) {
     // list_clear(&my_list);
     // printf("list size: %d", my_list.size);
 
-    // extract_tarball(module_request.response->modules[1]->address);
+    extract_tarball(module_request.response->modules[0]->address);
 
     // decode_targa_image(module_request.response->modules[0]->address, (uvec2){500, 100});