aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86/es7000/wakecpu.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-10 19:50:00 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-11 20:17:36 +0200
commitd84705969f898f294bc3fc32eca33580f14105bd (patch)
treec59c7e835820c6bfb5a957f70e58fee1699a6b38 /include/asm-x86/es7000/wakecpu.h
parent725c25819e4a0dafdcf42a5f31bc569341919c7c (diff)
parent11494547b1754c4f3bd7f707ab869e2adf54d52f (diff)
Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B
Conflicts: arch/x86/kernel/apic_32.c arch/x86/kernel/apic_64.c arch/x86/kernel/setup.c drivers/pci/intel-iommu.c include/asm-x86/cpufeature.h include/asm-x86/dma-mapping.h
Diffstat (limited to 'include/asm-x86/es7000/wakecpu.h')
-rw-r--r--include/asm-x86/es7000/wakecpu.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-x86/es7000/wakecpu.h b/include/asm-x86/es7000/wakecpu.h
new file mode 100644
index 00000000000..3ffc5a7bf66
--- /dev/null
+++ b/include/asm-x86/es7000/wakecpu.h
@@ -0,0 +1,59 @@
+#ifndef __ASM_ES7000_WAKECPU_H
+#define __ASM_ES7000_WAKECPU_H
+
+/*
+ * This file copes with machines that wakeup secondary CPUs by the
+ * INIT, INIT, STARTUP sequence.
+ */
+
+#ifdef CONFIG_ES7000_CLUSTERED_APIC
+#define WAKE_SECONDARY_VIA_MIP
+#else
+#define WAKE_SECONDARY_VIA_INIT
+#endif
+
+#ifdef WAKE_SECONDARY_VIA_MIP
+extern int es7000_start_cpu(int cpu, unsigned long eip);
+static inline int
+wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
+{
+ int boot_error = 0;
+ boot_error = es7000_start_cpu(phys_apicid, start_eip);
+ return boot_error;
+}
+#endif
+
+#define TRAMPOLINE_LOW phys_to_virt(0x467)
+#define TRAMPOLINE_HIGH phys_to_virt(0x469)
+
+#define boot_cpu_apicid boot_cpu_physical_apicid
+
+static inline void wait_for_init_deassert(atomic_t *deassert)
+{
+#ifdef WAKE_SECONDARY_VIA_INIT
+ while (!atomic_read(deassert))
+ cpu_relax();
+#endif
+ return;
+}
+
+/* Nothing to do for most platforms, since cleared by the INIT cycle */
+static inline void smp_callin_clear_local_apic(void)
+{
+}
+
+static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+#if APIC_DEBUG
+ #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
+#else
+ #define inquire_remote_apic(apicid) {}
+#endif
+
+#endif /* __ASM_MACH_WAKECPU_H */