grml...

[seabios.git] / src / pnpbios.c

diff --git a/src/pnpbios.c b/src/pnpbios.c
index cf78f0074b9e43fbc9c19fa6e80123c389416377..b1bebc9bf7c5f3a35d86e4b9704dc9f185204991 100644 (file)
--- a/src/pnpbios.c
+++ b/src/pnpbios.c
@@ -41,7 +41,7 @@ struct pnpheader PNPHEADER __aligned(16) VAR16EXPORT = {
 // We need a copy of this string in the 0xf000 segment, but we are not
 // actually a PnP BIOS, so make sure it is *not* aligned, so OSes will
 // not see it if they scan.
-char pnp_string[] __aligned(2) VAR16_32 = " $PnP";
+char pnp_string[] __aligned(2) VAR16VISIBLE = " $PnP";
 #endif
 
 #define FUNCTION_NOT_SUPPORTED 0x82
@@ -78,7 +78,7 @@ handle_pnp(u16 *args)
 }
 
 u16
-get_pnp_offset()
+get_pnp_offset(void)
 {
     if (! CONFIG_PNPBIOS)
         return (u32)pnp_string + 1 - BUILD_BIOS_ADDR;
@@ -86,11 +86,11 @@ get_pnp_offset()
 }
 
 // romlayout.S
-extern void entry_pnp_real();
-extern void entry_pnp_prot();
+extern void entry_pnp_real(void);
+extern void entry_pnp_prot(void);
 
 void
-pnp_setup()
+pnp_setup(void)
 {
     if (! CONFIG_PNPBIOS)
         return;
@@ -99,5 +99,5 @@ pnp_setup()
 
     PNPHEADER.real_ip = (u32)entry_pnp_real - BUILD_BIOS_ADDR;
     PNPHEADER.prot_ip = (u32)entry_pnp_prot - BUILD_BIOS_ADDR;
-    PNPHEADER.checksum = -checksum(&PNPHEADER, sizeof(PNPHEADER));
+    PNPHEADER.checksum -= checksum(&PNPHEADER, sizeof(PNPHEADER));
 }