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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-13 09:49:04 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-13 09:49:04 -0700
commitdcf397f037f52add9945eced57ca300ab6a4413c (patch)
treee78767d164589e9097a54bf564b072fb01f80820 /include/asm-sh/smp.h
parent6faf035cf9fdd8283c2b2b2c34b76b5445ec6fc4 (diff)
parent68ee0f9c98a42e36f9eab29155b2bb0e7e409ac6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (124 commits) sh: allow building for both r2d boards in same binary. sh: fix r2d board detection sh: Discard .exit.text/.exit.data at runtime. sh: Fix up some section alignments in linker script. sh: Fix SH-4 DMAC CHCR masking. sh: Rip out left-over nommu cond syscall cruft. sh: Make kgdb i-cache flushing less inept. sh: kgdb section mismatches and tidying. sh: cleanup struct irqaction initializers. sh: early_printk tidying. video: pvr2fb: Add TV (RGB) support to Dreamcast PVR driver. sh: Conditionalize gUSA support. sh: Follow gUSA preempt changes in __switch_to(). sh: Tidy up gUSA preempt handling. sh: __copy_user() optimizations for small copies. sh: clkfwk: Support multi-level clock propagation. sh: Fix URAM start address on SH7785. sh: Use boot_cpu_data for CPU probe. sh: Support extended mode TLB on SH-X3. sh: Bump MAX_ACTIVE_REGIONS for SH7785. ...
Diffstat (limited to 'include/asm-sh/smp.h')
-rw-r--r--include/asm-sh/smp.h34
1 files changed, 23 insertions, 11 deletions
diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h
index b99ca786c0c..9c8d34b07eb 100644
--- a/include/asm-sh/smp.h
+++ b/include/asm-sh/smp.h
@@ -1,12 +1,3 @@
-/*
- * include/asm-sh/smp.h
- *
- * Copyright (C) 2002, 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive for
- * more details.
- */
#ifndef __ASM_SH_SMP_H
#define __ASM_SH_SMP_H
@@ -20,6 +11,15 @@
#include <asm/current.h>
#define raw_smp_processor_id() (current_thread_info()->cpu)
+#define hard_smp_processor_id() plat_smp_processor_id()
+
+/* Map from cpu id to sequential logical cpu number. */
+extern int __cpu_number_map[NR_CPUS];
+#define cpu_number_map(cpu) __cpu_number_map[cpu]
+
+/* The reverse map from sequential logical cpu number to cpu id. */
+extern int __cpu_logical_map[NR_CPUS];
+#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
/* I've no idea what the real meaning of this is */
#define PROC_CHANGE_PENALTY 20
@@ -35,10 +35,22 @@ struct smp_fn_call_struct {
extern struct smp_fn_call_struct smp_fn_call;
-#define SMP_MSG_RESCHEDULE 0x0001
+#define SMP_MSG_FUNCTION 0
+#define SMP_MSG_RESCHEDULE 1
+#define SMP_MSG_NR 2
-#endif /* CONFIG_SMP */
+void plat_smp_setup(void);
+void plat_prepare_cpus(unsigned int max_cpus);
+int plat_smp_processor_id(void);
+void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
+void plat_send_ipi(unsigned int cpu, unsigned int message);
+int plat_register_ipi_handler(unsigned int message,
+ void (*handler)(void *), void *arg);
+
+#else
#define hard_smp_processor_id() (0)
+#endif /* CONFIG_SMP */
+
#endif /* __ASM_SH_SMP_H */