From 565bb8cd2569a292d70be87482d8fe93279a8970 Mon Sep 17 00:00:00 2001
From: icexin <fanbingxin.me@gmail.com>
Date: Sat, 31 Jul 2021 22:18:15 +0800
Subject: [PATCH] fix boot entry type

---
 boot/boot64main.c | 21 ++++-----------------
 boot/multiboot.c  |  5 +++--
 2 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/boot/boot64main.c b/boot/boot64main.c
index ce6ae53..b3d50d6 100644
--- a/boot/boot64main.c
+++ b/boot/boot64main.c
@@ -2,27 +2,14 @@ typedef unsigned short uint16;
 typedef unsigned int uint32;
 typedef unsigned long uint64;
 
-uint16 (*screen)[25][80] = (uint16(*)[25][80])(0xb8000);
-void puts(int line, char *str);
+typedef void (*go_entry_t)(uint32, uint32);
 
 void boot64main(uint32 gomain, uint32 magic, uint32 mbinfo)
 {
-    void (*gomain_entry)(uint32, uint32);
-    gomain_entry = (void(*)(uint32, uint32))((uint64)gomain);
-    gomain_entry(magic, mbinfo);
-    puts(2, "hello world");
+    go_entry_t go_entry;
+    go_entry = (go_entry_t)((uint64)gomain);
+    go_entry(magic, mbinfo);
     for (;;)
     {
     }
 }
-
-void puts(int line, char *str)
-{
-    char *p = str;
-    int i = 0;
-    for (; *p != 0; p++)
-    {
-        (*screen)[line][i] = (uint16)(*p | 0x700);
-        i++;
-    }
-}
\ No newline at end of file
diff --git a/boot/multiboot.c b/boot/multiboot.c
index da81474..119ab6f 100644
--- a/boot/multiboot.c
+++ b/boot/multiboot.c
@@ -21,18 +21,19 @@ extern char _binary_boot64_elf_start[];
 void memcpy(char *dst, char *src, int count);
 void memset(char *addr, char data, int cnt);
 uint64 loadelf(char *image);
+typedef void (*boot64_entry_t)(uint32, uint32, uint32);
 
 void multibootmain(unsigned long magic, multiboot_info_t *mbi)
 {
     uint64 entry_addr = 0;
-    void (*boot64_entry)(uint32, uint32, uint32);
+    boot64_entry_t boot64_entry;
 
     entry_addr = loadelf(_binary_boot64_elf_start);
     if (entry_addr == 0)
     {
         return;
     }
-    boot64_entry = (void (*)(uint32, uint32, uint32))((uint32)entry_addr);
+    boot64_entry = (boot64_entry_t)((uint32)entry_addr);
 
     entry_addr = loadelf(_binary_kernel_elf_start);
     if (entry_addr == 0)