feat: introduced tasking, added paging (no vm), moved malloc, added

syscalls, other stuff

kernel/tasks/task.S

@@ -0,0 +1,42 @@
+.code32
+
+.global __task_entry_point
+__task_entry_point:
+    # Load segments
+    popl %eax
+    movw %ax,%ds
+    movw %ax,%es
+    movw %ax,%fs
+    movw %ax,%gs
+    # pop isr_registers
+    popa
+    # Remove errono etc.
+    addl $8,%esp # Cleans up the pushed error code and pushed ISR number
+    sti
+    # return to program
+    iret # pops 5 things at once: CS, EIP, EFLAGS, SS, and ESP
+.global __task_entry_point_inner
+__task_entry_point_inner:
+    add $8, %esp # Remove useresp and ss (only exists in user space)
+    call task_entry_point
+.global switch_task
+switch_task:
+    movl 4(%esp), %eax
+    movl 8(%esp), %edx
+    test %eax, %eax
+    jz _st_no_store
+    pushl %ebp
+    pushl %ebx
+    pushl %esi
+    pushl %edi
+    movl %esp, (%eax)
+    _st_no_store:
+    movl %edx, %esp
+    popl %edi
+    popl %esi
+    popl %ebx
+    popl %ebp
+    ret
+
+
+