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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/parisc/include/asm/smp.h
Initial import
Diffstat (limited to 'arch/parisc/include/asm/smp.h')
-rw-r--r--arch/parisc/include/asm/smp.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h
new file mode 100644
index 000000000..a5dc9066c
--- /dev/null
+++ b/arch/parisc/include/asm/smp.h
@@ -0,0 +1,53 @@
+#ifndef __ASM_SMP_H
+#define __ASM_SMP_H
+
+
+#if defined(CONFIG_SMP)
+
+/* Page Zero Location PDC will look for the address to branch to when we poke
+** slave CPUs still in "Icache loop".
+*/
+#define PDC_OS_BOOT_RENDEZVOUS 0x10
+#define PDC_OS_BOOT_RENDEZVOUS_HI 0x28
+
+#ifndef ASSEMBLY
+#include <linux/bitops.h>
+#include <linux/threads.h> /* for NR_CPUS */
+#include <linux/cpumask.h>
+typedef unsigned long address_t;
+
+
+/*
+ * Private routines/data
+ *
+ * physical and logical are equivalent until we support CPU hotplug.
+ */
+#define cpu_number_map(cpu) (cpu)
+#define cpu_logical_map(cpu) (cpu)
+
+extern void smp_send_all_nop(void);
+
+extern void arch_send_call_function_single_ipi(int cpu);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+#endif /* !ASSEMBLY */
+
+#define raw_smp_processor_id() (current_thread_info()->cpu)
+
+#else /* CONFIG_SMP */
+
+static inline void smp_send_all_nop(void) { return; }
+
+#endif
+
+#define NO_PROC_ID 0xFF /* No processor magic marker */
+#define ANY_PROC_ID 0xFF /* Any processor magic marker */
+static inline int __cpu_disable (void) {
+ return 0;
+}
+static inline void __cpu_die (unsigned int cpu) {
+ while(1)
+ ;
+}
+
+#endif /* __ASM_SMP_H */