[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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