[U-Boot] [PATCH v2 14/20] x86: Provide access to the IDT

Simon Glass sjg at chromium.org
Wed Apr 29 04:25:16 CEST 2015


Add a function to return the address of the Interrupt Descriptor Table.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2: None

 arch/x86/cpu/interrupts.c        | 5 +++++
 arch/x86/include/asm/interrupt.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index a21d2a6..c777d36 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -147,6 +147,11 @@ int cpu_init_interrupts(void)
 	return 0;
 }
 
+void *x86_get_idt(void)
+{
+	return &idt_ptr;
+}
+
 void __do_irq(int irq)
 {
 	printf("Unhandled IRQ : %d\n", irq);
diff --git a/arch/x86/include/asm/interrupt.h b/arch/x86/include/asm/interrupt.h
index 25abde7..0a75f89 100644
--- a/arch/x86/include/asm/interrupt.h
+++ b/arch/x86/include/asm/interrupt.h
@@ -38,4 +38,6 @@ extern char exception_stack[];
  */
 void configure_irq_trigger(int int_num, bool is_level_triggered);
 
+void *x86_get_idt(void);
+
 #endif
-- 
2.2.0.rc0.207.ga3a616c



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