Unify mode16/32 compiler checks.

Add ASSERT16/ASSERT32 macros to farptr.h.
Use those macros in place of open-coded checks.
Add "noreturn" attribute to functions to reduce compiler warnings.
Add ASSERT32 to smp_probe() to eliminate 16bit assembler warnings.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/farptr.h b/src/farptr.h
index a26cf08..4fc727b 100644
--- a/src/farptr.h
+++ b/src/farptr.h
@@ -157,6 +157,10 @@ static inline void outsl_fl(u16 port, void *ptr_fl, u16 count) {
     outsl(port, (u32*)FLATPTR_TO_OFFSET(ptr_fl), count);
 }
 
+extern void __force_link_error__only_in_32bit() __attribute__ ((noreturn));
+#define ASSERT16() do { } while (0)
+#define ASSERT32() __force_link_error__only_in_32bit()
+
 #else
 
 // In 32-bit mode there is no need to mess with the segments.
@@ -178,6 +182,10 @@ static inline void outsl_fl(u16 port, void *ptr_fl, u16 count) {
 #define outsw_fl(port, ptr_fl, count) outsw(port, ptr_fl, count)
 #define outsl_fl(port, ptr_fl, count) outsl(port, ptr_fl, count)
 
+extern void __force_link_error__only_in_16bit() __attribute__ ((noreturn));
+#define ASSERT16() __force_link_error__only_in_16bit()
+#define ASSERT32() do { } while (0)
+
 #endif
 
 #endif // farptr.h