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-rw-r--r--src/arch/x86/exception.c5
-rw-r--r--src/include/cpu/x86/lapic.h12
2 files changed, 14 insertions, 3 deletions
diff --git a/src/arch/x86/exception.c b/src/arch/x86/exception.c
index 5f6c0fc641..e9234ade4a 100644
--- a/src/arch/x86/exception.c
+++ b/src/arch/x86/exception.c
@@ -488,7 +488,6 @@ void x86_exception(struct eregs *info)
#else /* !CONFIG_GDB_STUB */
int logical_processor = 0;
- u32 apic_id = CONFIG(SMP) ? lapicid() : 0;
if (info->vector == DEBUG_VECTOR) {
if (breakpoint_dispatch_handler(info) == 0)
@@ -513,7 +512,7 @@ void x86_exception(struct eregs *info)
"r10: %016llx r11: %016llx\n"
"r12: %016llx r13: %016llx\n"
"r14: %016llx r15: %016llx\n",
- logical_processor, apic_id,
+ logical_processor, early_lapicid(),
info->vector, info->cs, info->rip,
info->error_code, info->rflags, read_cr2(),
info->rax, info->rbx, info->rcx, info->rdx,
@@ -530,7 +529,7 @@ 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, apic_id,
+ logical_processor, early_lapicid(),
info->vector, info->cs, info->eip,
info->error_code, info->eflags, read_cr2(),
info->eax, info->ebx, info->ecx, info->edx,
diff --git a/src/include/cpu/x86/lapic.h b/src/include/cpu/x86/lapic.h
index f7fecf1342..87cf3c77df 100644
--- a/src/include/cpu/x86/lapic.h
+++ b/src/include/cpu/x86/lapic.h
@@ -184,4 +184,16 @@ void enable_lapic_mode(bool try_set_x2apic);
void disable_lapic(void);
void setup_lapic_interrupts(void);
+static inline unsigned int early_lapicid(void)
+{
+ if (!CONFIG(SMP))
+ return 0;
+
+ if (!ENV_RAMSTAGE)
+ return 0;
+
+ enable_lapic();
+ return lapicid();
+}
+
#endif /* CPU_X86_LAPIC_H */