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arch/x86: Do not call lapicid() without SMP

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The LAPIC may not be enabled or implemented.

Change-Id: I2e0f42641ca15d177590d1696475054eda6ce125
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55244
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Kyösti Mälkki
2021-05-31 15:15:27 +03:00
parent 41a2c73b06
commit 34806cce60
1 changed files with 3 additions and 2 deletions
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5
src/arch/x86/exception.c
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@@ -486,6 +486,7 @@ void x86_exception(struct eregs *info)
#else /* !CONFIG_GDB_STUB */
int logical_processor = 0;
u32 apic_id = CONFIG(SMP) ? lapicid() : 0;
#if ENV_RAMSTAGE
logical_processor = cpu_index();
@@ -505,7 +506,7 @@ void x86_exception(struct eregs *info)
"r10: %016llx r11: %016llx\n"
"r12: %016llx r13: %016llx\n"
"r14: %016llx r15: %016llx\n",
logical_processor, (unsigned int)lapicid(),
logical_processor, apic_id,
info->vector, info->cs, info->rip,
info->error_code, info->rflags, read_cr2(),
info->rax, info->rbx, info->rcx, info->rdx,
@@ -522,7 +523,7 @@ void x86_exception(struct eregs *info)
"Code: %d eflags: %08x cr2: %08x\n"
"eax: %08x ebx: %08x ecx: %08x edx: %08x\n"
"edi: %08x esi: %08x ebp: %08x esp: %08x\n",
logical_processor, (unsigned int)lapicid(),
logical_processor, apic_id,
info->vector, info->cs, info->eip,
info->error_code, info->eflags, read_cr2(),
info->eax, info->ebx, info->ecx, info->edx,