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Commit 856b0f59 authored by Marcin Nowakowski's avatar Marcin Nowakowski Committed by Ralf Baechle
Browse files

MIPS: kexec: add debug info about the new kexec'ed image 



Print details of the new kexec image loaded.

Based on the original code from
commit 221f2c77 ("arm64/kexec: Add pr_debug output")

Signed-off-by: default avatarMarcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14614/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent a8f108d7

arch/mips/kernel/machine_kexec.c

+22 −0
Original line number Diff line number Diff line
@@ -28,9 +28,31 @@ atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0); 
void (*_crash_smp_send_stop)(void) = NULL;

#endif



static void kexec_image_info(const struct kimage *kimage)

{

	unsigned long i;



	pr_debug("kexec kimage info:\n");

	pr_debug("  type:        %d\n", kimage->type);

	pr_debug("  start:       %lx\n", kimage->start);

	pr_debug("  head:        %lx\n", kimage->head);

	pr_debug("  nr_segments: %lu\n", kimage->nr_segments);



	for (i = 0; i < kimage->nr_segments; i++) {

		pr_debug("    segment[%lu]: %016lx - %016lx, 0x%lx bytes, %lu pages\n",

			i,

			kimage->segment[i].mem,

			kimage->segment[i].mem + kimage->segment[i].memsz,

			(unsigned long)kimage->segment[i].memsz,

			(unsigned long)kimage->segment[i].memsz /  PAGE_SIZE);

	}

}



int

machine_kexec_prepare(struct kimage *kimage)

{

	kexec_image_info(kimage);



	if (_machine_kexec_prepare)

		return _machine_kexec_prepare(kimage);

	return 0;