summaryrefslogtreecommitdiff
path: root/src/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/include/arch/smp/spinlock.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/arch/x86/include/arch/smp/spinlock.h b/src/arch/x86/include/arch/smp/spinlock.h
index 32be2f25fb..74e532c68a 100644
--- a/src/arch/x86/include/arch/smp/spinlock.h
+++ b/src/arch/x86/include/arch/smp/spinlock.h
@@ -1,7 +1,7 @@
#ifndef ARCH_SMP_SPINLOCK_H
#define ARCH_SMP_SPINLOCK_H
-#ifndef __PRE_RAM__
+#if !defined(__PRE_RAM__) || IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
/*
* Your basic SMP spinlocks, allowing only a single CPU anywhere
@@ -11,9 +11,18 @@ typedef struct {
volatile unsigned int lock;
} spinlock_t;
+#ifdef __PRE_RAM__
+spinlock_t *romstage_console_lock(void);
+void initialize_romstage_console_lock(void);
+#endif
#define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 }
+
+#ifndef __PRE_RAM__
#define DECLARE_SPIN_LOCK(x) static spinlock_t x = SPIN_LOCK_UNLOCKED;
+#else
+#define DECLARE_SPIN_LOCK(x)
+#endif
/*
* Simple spin lock operations. There are two variants, one clears IRQ's