x86/mm: Remove kernel_unmap_pages_in_pgd() and efi_cleanup_page_tables()
[cascardo/linux.git] / arch / x86 / include / asm / efi.h
index 53748c4..45ea38d 100644 (file)
@@ -3,6 +3,7 @@
 
 #include <asm/fpu/api.h>
 #include <asm/pgtable.h>
+#include <asm/processor-flags.h>
 #include <asm/tlb.h>
 
 /*
 
 #define MAX_CMDLINE_ADDRESS    UINT_MAX
 
-#ifdef CONFIG_X86_32
+#define ARCH_EFI_IRQ_FLAGS_MASK        X86_EFLAGS_IF
 
+#ifdef CONFIG_X86_32
 
 extern unsigned long asmlinkage efi_call_phys(void *, ...);
 
+#define arch_efi_call_virt_setup()     kernel_fpu_begin()
+#define arch_efi_call_virt_teardown()  kernel_fpu_end()
+
 /*
  * Wrap all the virtual calls in a way that forces the parameters on the stack.
  */
-
-/* Use this macro if your virtual returns a non-void value */
-#define efi_call_virt(f, args...) \
+#define arch_efi_call_virt(f, args...)                                 \
 ({                                                                     \
-       efi_status_t __s;                                               \
-       kernel_fpu_begin();                                             \
-       __s = ((efi_##f##_t __attribute__((regparm(0)))*)               \
-               efi.systab->runtime->f)(args);                          \
-       kernel_fpu_end();                                               \
-       __s;                                                            \
-})
-
-/* Use this macro if your virtual call does not return any value */
-#define __efi_call_virt(f, args...) \
-({                                                                     \
-       kernel_fpu_begin();                                             \
        ((efi_##f##_t __attribute__((regparm(0)))*)                     \
                efi.systab->runtime->f)(args);                          \
-       kernel_fpu_end();                                               \
 })
 
 #define efi_ioremap(addr, size, type, attr)    ioremap_cache(addr, size)
@@ -78,10 +68,8 @@ struct efi_scratch {
        u64     phys_stack;
 } __packed;
 
-#define efi_call_virt(f, ...)                                          \
+#define arch_efi_call_virt_setup()                                     \
 ({                                                                     \
-       efi_status_t __s;                                               \
-                                                                       \
        efi_sync_low_kernel_mappings();                                 \
        preempt_disable();                                              \
        __kernel_fpu_begin();                                           \
@@ -91,9 +79,13 @@ struct efi_scratch {
                write_cr3((unsigned long)efi_scratch.efi_pgt);          \
                __flush_tlb_all();                                      \
        }                                                               \
-                                                                       \
-       __s = efi_call((void *)efi.systab->runtime->f, __VA_ARGS__);    \
-                                                                       \
+})
+
+#define arch_efi_call_virt(f, args...)                                 \
+       efi_call((void *)efi.systab->runtime->f, args)                  \
+
+#define arch_efi_call_virt_teardown()                                  \
+({                                                                     \
        if (efi_scratch.use_pgd) {                                      \
                write_cr3(efi_scratch.prev_cr3);                        \
                __flush_tlb_all();                                      \
@@ -101,15 +93,8 @@ struct efi_scratch {
                                                                        \
        __kernel_fpu_end();                                             \
        preempt_enable();                                               \
-       __s;                                                            \
 })
 
-/*
- * All X86_64 virt calls return non-void values. Thus, use non-void call for
- * virt calls that would be void on X86_32.
- */
-#define __efi_call_virt(f, args...) efi_call_virt(f, args)
-
 extern void __iomem *__init efi_ioremap(unsigned long addr, unsigned long size,
                                        u32 type, u64 attribute);
 
@@ -140,7 +125,6 @@ extern void __init efi_map_region_fixed(efi_memory_desc_t *md);
 extern void efi_sync_low_kernel_mappings(void);
 extern int __init efi_alloc_page_tables(void);
 extern int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages);
-extern void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages);
 extern void __init old_map_region(efi_memory_desc_t *md);
 extern void __init runtime_code_page_mkexec(void);
 extern void __init efi_runtime_update_mappings(void);
@@ -180,6 +164,8 @@ static inline bool efi_runtime_supported(void)
 extern struct console early_efi_console;
 extern void parse_efi_setup(u64 phys_addr, u32 data_len);
 
+extern void efifb_setup_from_dmi(struct screen_info *si, const char *opt);
+
 #ifdef CONFIG_EFI_MIXED
 extern void efi_thunk_runtime_setup(void);
 extern efi_status_t efi_thunk_set_virtual_address_map(
@@ -225,6 +211,11 @@ __pure const struct efi_config *__efi_early(void);
 #define efi_call_early(f, ...)                                         \
        __efi_early()->call(__efi_early()->f, __VA_ARGS__);
 
+#define __efi_call_early(f, ...)                                       \
+       __efi_early()->call((unsigned long)f, __VA_ARGS__);
+
+#define efi_is_64bit()         __efi_early()->is64
+
 extern bool efi_reboot_required(void);
 
 #else