Fix more warnings

cpu/i386/isr.c

@@ -180,7 +180,7 @@ void isr_handler(registers_t r) {
       } else if (r.eax==5) {
         r.ebx=(uint32_t)tasking_get_errno_address();
       } else if (r.eax==6) {
-        r.ebx=tasking_get_msg((uint32_t*)r.ebx);
+        r.ebx=(uint32_t)tasking_get_msg((uint32_t*)r.ebx);
       } else if (r.eax==7) {
         tasking_send_msg(r.ebx,(void*)r.ecx,r.edx);
       }

cpu/i386/pmem.c

@@ -1,5 +1,6 @@
 #include <grub/multiboot2.h>
 #include "../halt.h"
+#include "../../drivers/vga.h"
 #include <stdint.h>
 #include <stdlib.h>
 #include <klog.h>
@@ -38,7 +39,6 @@ void pmem_init(struct multiboot_boot_header_tag* tags) {
         struct multiboot_mmap_entry* orig_ptr=(struct multiboot_mmap_entry*)(((char*)tag)+16);
         for (struct multiboot_mmap_entry* ptr=orig_ptr;(char*)ptr<((char*)orig_ptr)+tag->size;ptr++) {
           if (ptr->type!=MULTIBOOT_MEMORY_AVAILABLE) continue;
-          uint32_t size=ptr->len;
           uint32_t start=ptr->addr;
           if (start<0x100000) continue;
           uint32_t end=start+ptr->len-1;
@@ -51,7 +51,6 @@ void pmem_init(struct multiboot_boot_header_tag* tags) {
             clear_bmap_bit(i);
           }
         }
-        char str[256];
         break;
       }
     }

cpu/i386/tasking.c

@@ -86,7 +86,7 @@ void tasking_send_msg(uint32_t pid,void* msg,uint32_t size) {
       void* phys_addr=virt_to_phys(msg);
       load_address_space(task->regs.cr3);
       uint32_t page=find_free_pages((size/4096)+1);
-      map_pages(page<<12,phys_addr,(size/4096)+1,1,0);
+      map_pages((void*)(page<<12),phys_addr,(size/4096)+1,1,0);
       if (task->msg_store==NULL) {
         task->msg_store=malloc(sizeof(void*)*256);
         task->sender_store=malloc(sizeof(uint32_t)*256);

prog/main.c

@@ -1,4 +1,5 @@
 #include "../libc/string.h"
+#include "vga.h"
 #include <grub/text_fb_info.h>
 
 int main() {