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authorHuang, Ying <ying.huang@intel.com>2008-01-30 13:31:19 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:31:19 +0100
commite429795c68d3001ecae74f6465420c9f043b0ece (patch)
tree46e24522c3b7fbe7dc9f7fc63b4c942ff48e4070 /include/asm-x86/efi.h
parentx86: EFI runtime service support: document for EFI runtime services (diff)
downloadlinux-e429795c68d3001ecae74f6465420c9f043b0ece.tar.xz
linux-e429795c68d3001ecae74f6465420c9f043b0ece.zip
x86: EFI runtime service support: remove duplicated code from efi_32.c
This patch removes the duplicated code between efi_32.c and efi.c. Signed-off-by: Huang Ying <ying.huang@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/efi.h')
-rw-r--r--include/asm-x86/efi.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h
index 1459d3d58653..6d54502755aa 100644
--- a/include/asm-x86/efi.h
+++ b/include/asm-x86/efi.h
@@ -2,6 +2,48 @@
#define _ASM_X86_EFI_H
#ifdef CONFIG_X86_32
+
+extern unsigned long asmlinkage efi_call_phys(void *, ...);
+
+#define efi_call_phys0(f) efi_call_phys(f)
+#define efi_call_phys1(f, a1) efi_call_phys(f, a1)
+#define efi_call_phys2(f, a1, a2) efi_call_phys(f, a1, a2)
+#define efi_call_phys3(f, a1, a2, a3) efi_call_phys(f, a1, a2, a3)
+#define efi_call_phys4(f, a1, a2, a3, a4) \
+ efi_call_phys(f, a1, a2, a3, a4)
+#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
+ efi_call_phys(f, a1, a2, a3, a4, a5)
+#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
+ efi_call_phys(f, a1, a2, a3, a4, a5, a6)
+/*
+ * Wrap all the virtual calls in a way that forces the parameters on the stack.
+ */
+
+#define efi_call_virt(f, args...) \
+ ((efi_##f##_t __attribute__((regparm(0)))*)efi.systab->runtime->f)(args)
+
+#define efi_call_virt0(f) efi_call_virt(f)
+#define efi_call_virt1(f, a1) efi_call_virt(f, a1)
+#define efi_call_virt2(f, a1, a2) efi_call_virt(f, a1, a2)
+#define efi_call_virt3(f, a1, a2, a3) efi_call_virt(f, a1, a2, a3)
+#define efi_call_virt4(f, a1, a2, a3, a4) \
+ efi_call_virt(f, a1, a2, a3, a4)
+#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
+ efi_call_virt(f, a1, a2, a3, a4, a5)
+#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
+ efi_call_virt(f, a1, a2, a3, a4, a5, a6)
+/*
+ * We require an early boot_ioremap mapping mechanism initially
+ */
+extern void *boot_ioremap(unsigned long, unsigned long);
+
+#define efi_early_ioremap(addr, size) boot_ioremap(addr, size)
+#define efi_early_iounmap(vaddr, size)
+
+#define efi_ioremap(addr, size) ioremap(addr, size)
+
+#define end_pfn_map max_low_pfn
+
#else /* !CONFIG_X86_32 */
#define MAX_EFI_IO_PAGES 100