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authorSimon Glass <sjg@chromium.org>2015-04-28 20:25:16 -0600
committerSimon Glass <sjg@chromium.org>2015-04-29 21:02:34 -0600
commit6f41e0e7bcdc58e9e8af89988043893d5876bf7a (patch)
treef6247f61341eacb76594b057bca54e16d493126f /arch/x86
parent52845296be8190c3f581090d6336fa033f2bd2d8 (diff)
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x86: Provide access to the IDT
Add a function to return the address of the Interrupt Descriptor Table. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/cpu/interrupts.c5
-rw-r--r--arch/x86/include/asm/interrupt.h2
2 files changed, 7 insertions, 0 deletions
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