[U-Boot] [PATCH 14/20] x86: Provide access to the IDT
Bin Meng
bmeng.cn at gmail.com
Tue Apr 28 10:16:58 CEST 2015
Hi Simon,
On Tue, Apr 28, 2015 at 6:48 AM, Simon Glass <sjg at chromium.org> wrote:
> Add a function to return the address of the Interrupt Descriptor Table.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> 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;
> +}
> +
idt_ptr is not declared as static, so this is unneeded? Or should we
change it to static?
> 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
> --
Regards,
Bin
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