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authorIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
commit51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch)
treea681dca369607ab0f371d5246b0f75140b860a8a /arch/sh/include/cpu-common/cpu
parentb55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff)
parentb635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff)
Merge branch 'linus' into x86/core
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/include/cpu-common/cpu')
-rw-r--r--arch/sh/include/cpu-common/cpu/addrspace.h19
-rw-r--r--arch/sh/include/cpu-common/cpu/cacheflush.h44
-rw-r--r--arch/sh/include/cpu-common/cpu/mmu_context.h16
-rw-r--r--arch/sh/include/cpu-common/cpu/rtc.h8
-rw-r--r--arch/sh/include/cpu-common/cpu/sigcontext.h17
-rw-r--r--arch/sh/include/cpu-common/cpu/timer.h6
6 files changed, 110 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-common/cpu/addrspace.h b/arch/sh/include/cpu-common/cpu/addrspace.h
new file mode 100644
index 00000000000..2b9ab93efa4
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/addrspace.h
@@ -0,0 +1,19 @@
+/*
+ * Definitions for the address spaces of the SH-2 CPUs.
+ *
+ * Copyright (C) 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_CPU_SH2_ADDRSPACE_H
+#define __ASM_CPU_SH2_ADDRSPACE_H
+
+#define P0SEG 0x00000000
+#define P1SEG 0x80000000
+#define P2SEG 0xa0000000
+#define P3SEG 0xc0000000
+#define P4SEG 0xe0000000
+
+#endif /* __ASM_CPU_SH2_ADDRSPACE_H */
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
new file mode 100644
index 00000000000..c3db00b7360
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -0,0 +1,44 @@
+/*
+ * include/asm-sh/cpu-sh2/cacheflush.h
+ *
+ * Copyright (C) 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_CPU_SH2_CACHEFLUSH_H
+#define __ASM_CPU_SH2_CACHEFLUSH_H
+
+/*
+ * Cache flushing:
+ *
+ * - flush_cache_all() flushes entire cache
+ * - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ * - flush_cache_dup mm(mm) handles cache flushing when forking
+ * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
+ * - flush_cache_range(vma, start, end) flushes a range of pages
+ *
+ * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
+ * - flush_icache_range(start, end) flushes(invalidates) a range for icache
+ * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ *
+ * Caches are indexed (effectively) by physical address on SH-2, so
+ * we don't need them.
+ */
+#define flush_cache_all() do { } while (0)
+#define flush_cache_mm(mm) do { } while (0)
+#define flush_cache_dup_mm(mm) do { } while (0)
+#define flush_cache_range(vma, start, end) do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
+#define flush_dcache_page(page) do { } while (0)
+#define flush_dcache_mmap_lock(mapping) do { } while (0)
+#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+#define flush_icache_range(start, end) do { } while (0)
+#define flush_icache_page(vma,pg) do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
+#define flush_cache_sigtramp(vaddr) do { } while (0)
+
+#define p3_cache_init() do { } while (0)
+
+#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-common/cpu/mmu_context.h b/arch/sh/include/cpu-common/cpu/mmu_context.h
new file mode 100644
index 00000000000..beeb299e01e
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/mmu_context.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-sh/cpu-sh2/mmu_context.h
+ *
+ * Copyright (C) 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_CPU_SH2_MMU_CONTEXT_H
+#define __ASM_CPU_SH2_MMU_CONTEXT_H
+
+/* No MMU */
+
+#endif /* __ASM_CPU_SH2_MMU_CONTEXT_H */
+
diff --git a/arch/sh/include/cpu-common/cpu/rtc.h b/arch/sh/include/cpu-common/cpu/rtc.h
new file mode 100644
index 00000000000..39e2d6e9478
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/rtc.h
@@ -0,0 +1,8 @@
+#ifndef __ASM_SH_CPU_SH2_RTC_H
+#define __ASM_SH_CPU_SH2_RTC_H
+
+#define rtc_reg_size sizeof(u16)
+#define RTC_BIT_INVERTED 0
+#define RTC_DEF_CAPABILITIES 0UL
+
+#endif /* __ASM_SH_CPU_SH2_RTC_H */
diff --git a/arch/sh/include/cpu-common/cpu/sigcontext.h b/arch/sh/include/cpu-common/cpu/sigcontext.h
new file mode 100644
index 00000000000..fe5c15dd6e8
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/sigcontext.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_CPU_SH2_SIGCONTEXT_H
+#define __ASM_CPU_SH2_SIGCONTEXT_H
+
+struct sigcontext {
+ unsigned long oldmask;
+
+ /* CPU registers */
+ unsigned long sc_regs[16];
+ unsigned long sc_pc;
+ unsigned long sc_pr;
+ unsigned long sc_sr;
+ unsigned long sc_gbr;
+ unsigned long sc_mach;
+ unsigned long sc_macl;
+};
+
+#endif /* __ASM_CPU_SH2_SIGCONTEXT_H */
diff --git a/arch/sh/include/cpu-common/cpu/timer.h b/arch/sh/include/cpu-common/cpu/timer.h
new file mode 100644
index 00000000000..a39c241e819
--- /dev/null
+++ b/arch/sh/include/cpu-common/cpu/timer.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_CPU_SH2_TIMER_H
+#define __ASM_CPU_SH2_TIMER_H
+
+/* Nothing needed yet */
+
+#endif /* __ASM_CPU_SH2_TIMER_H */