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authorSimon Glass2020-11-04 09:57:28 -0700
committerBin Meng2020-11-06 09:51:29 +0800
commita0ed800376b0db57428f9bf6401db36789ff1aa6 (patch)
tree293f5f54b352f72ec856d4bb328602a3c0fa9dd3 /arch/x86/lib
parent8bcfb7917a61ef8230d85b6efc5a272fd20637ff (diff)
x86: Show the interrupt pointer with 'irqinfo'
It is useful for this command to show the address of the interrupt table. Add support for this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/interrupts.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/lib/interrupts.c b/arch/x86/lib/interrupts.c
index a81e4291105..ff52959ed28 100644
--- a/arch/x86/lib/interrupts.c
+++ b/arch/x86/lib/interrupts.c
@@ -131,8 +131,11 @@ void do_irq(int hw_irq)
int do_irqinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
#if !CONFIG_IS_ENABLED(X86_64)
+ struct idt_ptr ptr;
int irq;
+ interrupt_read_idt(&ptr);
+ printf("IDT at %lx, size %x\n", ptr.address, ptr.size);
printf("Spurious IRQ: %u, last unknown IRQ: %d\n",
spurious_irq_cnt, spurious_irq);