Massive backlog of changes

include/x86/apic.h

@@ -61,7 +61,7 @@ struct apic_register_t
 {
     uint32_t value;
     uint32_t padding[3];
-};
+} __attribute__ ((packed));
 
 struct apic_lapic_version_t
 {
@@ -71,7 +71,7 @@ struct apic_lapic_version_t
     uint32_t suppress_eoi_broadcast : 1;
     uint32_t reserved_2 : 7;
     uint32_t padding[3];
-};
+} __attribute__ ((packed));
 
 struct apic_lvt_t
 {
@@ -86,7 +86,7 @@ struct apic_lvt_t
     uint32_t timer_mode : 2;
     uint32_t reserved_2 : 13;
     uint32_t padding[3];
-};
+} __attribute__ ((packed));
 
 struct apic_icr_t
 {
@@ -104,7 +104,7 @@ struct apic_icr_t
     uint32_t reserved : 24;
     uint32_t destination : 8;
     uint32_t padding_2[3];
-};
+} __attribute__ ((packed));
 
 struct apic_registers_t
 {
@@ -138,9 +138,10 @@ struct apic_registers_t
     struct apic_register_t reserved_4[4];
     struct apic_register_t divide_config;
     struct apic_register_t reserved_5;
-};
+    struct apic_register_t reserved_76[16 * 12];
+} __attribute__ ((packed));
 
-extern struct apic_registers_t volatile *apic_registers;
+extern struct apic_registers_t volatile apic_registers;
 
 void apic_enable();
 

include/x86/isr.h

@@ -8,6 +8,9 @@ void isr_generic(struct interrupt_frame_t *frame);
 __attribute__ ((interrupt))
 void isr_division_by_zero(struct interrupt_frame_t *frame);
 
+__attribute__ ((interrupt))
+void isr_segment_not_present(struct interrupt_frame_t *frame, unsigned int error);
+
 __attribute__ ((interrupt))
 void isr_gp_fault(struct interrupt_frame_t *frame, unsigned int error);
 

include/x86/multiboot2.h

@@ -1,84 +1,12 @@
 #pragma once
 
-#include "memorymap.h"
-#include "module.h"
-#include <stddef.h>
-#include <stdint.h>
-
-#define module_limit 8
-
-enum multiboot2_tag_types
-{
-    MB_END_TAG = 0,
-    MB_BOOT_COMMAND = 1,
-    MB_BOOTLOADER = 2,
-    MB_MODULE = 3,
-    MB_MEMORY_INFO = 4,
-    MB_BIOS_BOOT_DEVICE = 5,
-    MB_MEMORY_MAP = 6,
-    MB_VBE = 7,
-    MB_FRAMEBUFFER = 8,
-    MB_ELF_SYMBOLS = 9,
-    MB_APM = 10,
-    MB_EFI32_SYSTEM_TABLE = 11,
-    MB_EFI64_SYSTEM_TABLE = 12,
-    MB_SMBIOS = 13,
-    MB_ACPI10_RSDP = 14,
-    MB_ACPT20_RSDP = 15,
-    MB_NETOWRK = 16,
-    MB_EFI_MEMORY_MAP = 17,
-    MB_EFI_BOOT_SERVICES = 18,
-    MB_EFI32_IMAGE = 19,
-    MB_EFI64_IMAGE = 20,
-    MB_LOAD_ADDRESS = 21
-};
-
-enum multiboot2_memory_types
-{
-    MB_AVAILABLE = 1,
-	MB_ACPI = 3,
-	MB_DEFECTIVE = 5
-};
-
-struct multiboot2_string_t
-{
-    uint32_t type;
-    uint32_t size;
-    char str;
-};
-
-struct multiboot2_module_t
-{
-    uint32_t type;
-    uint32_t size;
-    uint32_t start;
-    uint32_t end;
-    char str;
-};
-
-struct multiboot2_map_entry_t
-{
-    uint64_t base;
-    uint64_t length;
-    uint32_t type;
-};
-
-struct multiboot2_memory_map_t
-{
-    uint32_t type;
-    uint32_t size;
-    uint32_t entry_size;
-    uint32_t entry_version;
-    struct multiboot2_map_entry_t entries;
-};
-
-struct boot_info_t
-{
-    char *bootloader;
-    char *parameters;
-    size_t module_count;
-    struct memory_map_t map;
-    struct module_t modules[module_limit];
-};
+#include "kernel.h"
 
+/**
+ * @brief 
+ * 
+ * @param boot_info 
+ * @param table 
+ * @return void* 
+ */
 void *read_multiboot_table(struct boot_info_t *boot_info, void *table);