asm: macro for generic interrupt handler

Added generic asm macro for interrupt handlers Signed-off-by: Daniele Ahmed <ahmeddan amazon com ; >
KernelTestFramework · Oct 23, 2020 · a36cbaa · a36cbaa
1 parent 893b9e9
commit a36cbaa
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/arch/x86/entry.S b/arch/x86/entry.S
@@ -40,6 +40,20 @@ ENTRY(entry_\sym)
 END_FUNC(entry_\sym)
 .endm
 
+.macro interrupt_handler sym func
+ENTRY(asm_interrupt_handler_\sym)
+    cld
+    SAVE_REGS
+    call \func
+    RESTORE_REGS
+#if defined(__x86_64__)
+    iretq
+#else
+    iret
+#endif
+END_FUNC(asm_interrupt_handler_\sym)
+.endm
+
 exception_handler DE  X86_EX_DE  0
 exception_handler DB  X86_EX_DB  0
 exception_handler NMI X86_EX_NMI 0