gettid syscall, fix issues with vmm and mmap syscall

src/arch/x86_64/include/arch/mmu.h

@@ -14,6 +14,11 @@
 #define ARCH_MMU_MAP_PAGESIZE     (uint64_t)(1 << 7)
 #define ARCH_MMU_MAP_ACCESSED	  (uint64_t)(1 << 5)
 
+#define ARCH_MMU_ERROR_WRITE 2
+#define ARCH_MMU_ERROR_PRESENT 1
+#define ARCH_MMU_ERROR_USER 4
+#define ARCH_MMU_ERROR_INSTFETCH 16
+
 typedef uint64_t* arch_mmu_tableptr;
 
 int arch_mmu_map(arch_mmu_tableptr, void*, void*, size_t);

src/arch/x86_64/isr.c

@@ -16,7 +16,7 @@ void isr_except(arch_regs *reg){
 
 void isr_pagefault(arch_regs *reg){
 	
-	if(!vmm_dealwithrequest(reg->cr2))
+	if(!vmm_dealwithrequest(reg->cr2, reg->error, reg->cs == 0x3b))
 		_panic("Page fault!", reg);
 	
 }

src/arch/x86_64/syscall.asm

@@ -4,13 +4,15 @@ section .rodata
 extern syscall_libc_log
 extern syscall_mmap
 extern syscall_arch_ctl
-func_count equ 3
+extern syscall_gettid
+func_count equ 4
 
 
 func_table:
 	dq syscall_libc_log
 	dq syscall_mmap
 	dq syscall_arch_ctl
+	dq syscall_gettid
 section .text
 global asm_syscall_entry