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author | 2008-10-23 10:22:01 -0700 | |
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committer | 2008-10-23 10:22:01 -0700 | |
commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/efi.h | |
parent | Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 (diff) | |
parent | x86: canonicalize remaining header guards (diff) | |
download | linux-dev-5b34653963de7a6d0d8c783527457d68fddc60fb.tar.xz linux-dev-5b34653963de7a6d0d8c783527457d68fddc60fb.zip |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/x86/include/asm/efi.h')
-rw-r--r-- | arch/x86/include/asm/efi.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h new file mode 100644 index 000000000000..a2e545c91c35 --- /dev/null +++ b/arch/x86/include/asm/efi.h @@ -0,0 +1,110 @@ +#ifndef _ASM_X86_EFI_H +#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) + +#define efi_ioremap(addr, size) ioremap_cache(addr, size) + +#else /* !CONFIG_X86_32 */ + +#define MAX_EFI_IO_PAGES 100 + +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); + +#endif /* CONFIG_X86_32 */ + +extern void efi_reserve_early(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 */ |