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cpu/x86/mp_init.c: Set a bogus initial lapic_id 

This makes it easier to catch errors later if the ap_init code fails to
properly set things up.

Change-Id: I938faf042bfa4fe1fc39e78ab740c9b210bc105c
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69108
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
This commit is contained in:
Arthur Heymans 2022-11-01 19:51:13 +01:00 committed by Felix Held
parent 506014f624
commit 1bb9786da3
1 changed files with 5 additions and 3 deletions
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8
src/cpu/x86/mp_init.c
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@ -375,9 +375,11 @@ static int allocate_cpu_devices(struct bus *cpu_bus, struct mp_params *p)
/* Build the CPU device path */
cpu_path.type = DEVICE_PATH_APIC;
/* Assuming linear APIC space allocation. AP will set its own
APIC id in the ap_init() path above. */
cpu_path.apic.apic_id = info->cpu->path.apic.apic_id + i;
/*
* Set a bogus apic_id.
* AP will set its own APIC id in the ap_init() path above.
*/
cpu_path.apic.apic_id = UINT32_MAX;
/* Allocate the new CPU device structure */
new = alloc_find_dev(cpu_bus, &cpu_path);