protos: Remove dead code

stage23/protos/linux.32.c

@@ -27,15 +27,6 @@ __attribute__((noreturn)) void linux_spinup(void *entry, void *boot_params) {
     linux_gdt.limit = sizeof(linux_gdt_descs) - 1;
     linux_gdt.ptr   = (uintptr_t)linux_gdt_descs;
 
-    // Load invalid IDT
-    uint64_t invalid_idt[2] = {0, 0};
-    asm volatile (
-        "lidt %0"
-        :
-        : "m" (invalid_idt)
-        : "memory"
-    );
-
     asm volatile (
         "lgdt %0\n\t"
 
@@ -56,6 +47,8 @@ __attribute__((noreturn)) void linux_spinup(void *entry, void *boot_params) {
         "xorl %%edi, %%edi\n\t"
         "xorl %%ebx, %%ebx\n\t"
 
+        "cld\n\t"
+
         "jmp *%%ecx\n\t"
         :
         : "m"(linux_gdt), "c"(entry), "S"(boot_params)

stage23/protos/multiboot1.32.c

@@ -6,7 +6,6 @@
 __attribute__((noreturn)) void multiboot1_spinup_32(
                  uint32_t entry_point, uint32_t multiboot1_info) {
     asm volatile (
-        "cli\n\t"
         "cld\n\t"
 
         "pushfl\n\t"

stage23/protos/stivale.32.c

@@ -14,15 +14,6 @@ __attribute__((noreturn)) void stivale_spinup_32(
         (uint64_t)stack_lo | ((uint64_t)stack_hi << 32)
     };
 
-    // Load invalid IDT
-    uint64_t invalid_idt[2] = {0, 0};
-    asm volatile (
-        "lidt %0"
-        :
-        : "m" (invalid_idt)
-        : "memory"
-    );
-
     if (bits == 64) {
         if (level5pg) {
             // Enable CR4.LA57
@@ -35,7 +26,6 @@ __attribute__((noreturn)) void stivale_spinup_32(
         }
 
         asm volatile (
-            "cli\n\t"
             "cld\n\t"
             "movl %%eax, %%cr3\n\t"
             "movl %%cr4, %%eax\n\t"
@@ -109,7 +99,6 @@ __attribute__((noreturn)) void stivale_spinup_32(
         );
     } else if (bits == 32) {
         asm volatile (
-            "cli\n\t"
             "cld\n\t"
 
             "movl %%esi, %%esp\n\t"