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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/x86/include/asm/efi.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/x86/include/asm/efi.h')
-rw-r--r--arch/x86/include/asm/efi.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
new file mode 100644
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--- /dev/null
+++ b/arch/x86/include/asm/efi.h
@@ -0,0 +1,115 @@
+#ifndef _ASM_X86_EFI_H
+#define _ASM_X86_EFI_H
+
+#ifdef CONFIG_X86_32
+
+#define EFI_LOADER_SIGNATURE "EL32"
+
+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)
+
+#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
+
+#else /* !CONFIG_X86_32 */
+
+#define EFI_LOADER_SIGNATURE "EL64"
+
+extern u64 efi_call0(void *fp);
+extern u64 efi_call1(void *fp, u64 arg1);
+extern u64 efi_call2(void *fp, u64 arg1, u64 arg2);
+extern u64 efi_call3(void *fp, u64 arg1, u64 arg2, u64 arg3);
+extern u64 efi_call4(void *fp, u64 arg1, u64 arg2, u64 arg3, u64 arg4);
+extern u64 efi_call5(void *fp, u64 arg1, u64 arg2, u64 arg3,
+ u64 arg4, u64 arg5);
+extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
+ u64 arg4, u64 arg5, u64 arg6);
+
+#define efi_call_phys0(f) \
+ efi_call0((void *)(f))
+#define efi_call_phys1(f, a1) \
+ efi_call1((void *)(f), (u64)(a1))
+#define efi_call_phys2(f, a1, a2) \
+ efi_call2((void *)(f), (u64)(a1), (u64)(a2))
+#define efi_call_phys3(f, a1, a2, a3) \
+ efi_call3((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3))
+#define efi_call_phys4(f, a1, a2, a3, a4) \
+ efi_call4((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
+ (u64)(a4))
+#define efi_call_phys5(f, a1, a2, a3, a4, a5) \
+ efi_call5((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
+ (u64)(a4), (u64)(a5))
+#define efi_call_phys6(f, a1, a2, a3, a4, a5, a6) \
+ efi_call6((void *)(f), (u64)(a1), (u64)(a2), (u64)(a3), \
+ (u64)(a4), (u64)(a5), (u64)(a6))
+
+#define efi_call_virt0(f) \
+ efi_call0((void *)(efi.systab->runtime->f))
+#define efi_call_virt1(f, a1) \
+ efi_call1((void *)(efi.systab->runtime->f), (u64)(a1))
+#define efi_call_virt2(f, a1, a2) \
+ efi_call2((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2))
+#define efi_call_virt3(f, a1, a2, a3) \
+ efi_call3((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
+ (u64)(a3))
+#define efi_call_virt4(f, a1, a2, a3, a4) \
+ efi_call4((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
+ (u64)(a3), (u64)(a4))
+#define efi_call_virt5(f, a1, a2, a3, a4, a5) \
+ efi_call5((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
+ (u64)(a3), (u64)(a4), (u64)(a5))
+#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
+ efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
+ (u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
+
+extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+ u32 type);
+
+#endif /* CONFIG_X86_32 */
+
+extern int add_efi_memmap;
+extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
+extern int efi_memblock_x86_reserve_range(void);
+extern void efi_call_phys_prelog(void);
+extern void efi_call_phys_epilog(void);
+
+#ifndef CONFIG_EFI
+/*
+ * IF EFI is not configured, have the EFI calls return -ENOSYS.
+ */
+#define efi_call0(_f) (-ENOSYS)
+#define efi_call1(_f, _a1) (-ENOSYS)
+#define efi_call2(_f, _a1, _a2) (-ENOSYS)
+#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS)
+#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS)
+#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS)
+#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS)
+#endif /* CONFIG_EFI */
+
+#endif /* _ASM_X86_EFI_H */