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Diffstat (limited to 'include/asm-x86/desc.h')
-rw-r--r--include/asm-x86/desc.h61
1 files changed, 31 insertions, 30 deletions
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 5b6a05d3a771..268a012bcd79 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -62,8 +62,8 @@ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
}
static inline void pack_gate(gate_desc *gate, unsigned char type,
- unsigned long base, unsigned dpl, unsigned flags, unsigned short seg)
-
+ unsigned long base, unsigned dpl, unsigned flags,
+ unsigned short seg)
{
gate->a = (seg << 16) | (base & 0xffff);
gate->b = (base & 0xffff0000) |
@@ -84,22 +84,23 @@ static inline int desc_empty(const void *ptr)
#define load_TR_desc() native_load_tr_desc()
#define load_gdt(dtr) native_load_gdt(dtr)
#define load_idt(dtr) native_load_idt(dtr)
-#define load_tr(tr) __asm__ __volatile("ltr %0"::"m" (tr))
-#define load_ldt(ldt) __asm__ __volatile("lldt %0"::"m" (ldt))
+#define load_tr(tr) asm volatile("ltr %0"::"m" (tr))
+#define load_ldt(ldt) asm volatile("lldt %0"::"m" (ldt))
#define store_gdt(dtr) native_store_gdt(dtr)
#define store_idt(dtr) native_store_idt(dtr)
#define store_tr(tr) (tr = native_store_tr())
-#define store_ldt(ldt) __asm__ ("sldt %0":"=m" (ldt))
+#define store_ldt(ldt) asm("sldt %0":"=m" (ldt))
#define load_TLS(t, cpu) native_load_tls(t, cpu)
#define set_ldt native_set_ldt
-#define write_ldt_entry(dt, entry, desc) \
- native_write_ldt_entry(dt, entry, desc)
-#define write_gdt_entry(dt, entry, desc, type) \
- native_write_gdt_entry(dt, entry, desc, type)
-#define write_idt_entry(dt, entry, g) native_write_idt_entry(dt, entry, g)
+#define write_ldt_entry(dt, entry, desc) \
+ native_write_ldt_entry(dt, entry, desc)
+#define write_gdt_entry(dt, entry, desc, type) \
+ native_write_gdt_entry(dt, entry, desc, type)
+#define write_idt_entry(dt, entry, g) \
+ native_write_idt_entry(dt, entry, g)
#endif
static inline void native_write_idt_entry(gate_desc *idt, int entry,
@@ -138,8 +139,8 @@ static inline void pack_descriptor(struct desc_struct *desc, unsigned long base,
{
desc->a = ((base & 0xffff) << 16) | (limit & 0xffff);
desc->b = (base & 0xff000000) | ((base & 0xff0000) >> 16) |
- (limit & 0x000f0000) | ((type & 0xff) << 8) |
- ((flags & 0xf) << 20);
+ (limit & 0x000f0000) | ((type & 0xff) << 8) |
+ ((flags & 0xf) << 20);
desc->p = 1;
}
@@ -159,7 +160,6 @@ static inline void set_tssldt_descriptor(void *d, unsigned long addr,
desc->base2 = (PTR_MIDDLE(addr) >> 8) & 0xFF;
desc->base3 = PTR_HIGH(addr);
#else
-
pack_descriptor((struct desc_struct *)d, addr, size, 0x80 | type, 0);
#endif
}
@@ -177,7 +177,8 @@ static inline void __set_tss_desc(unsigned cpu, unsigned int entry, void *addr)
* last valid byte
*/
set_tssldt_descriptor(&tss, (unsigned long)addr, DESC_TSS,
- IO_BITMAP_OFFSET + IO_BITMAP_BYTES + sizeof(unsigned long) - 1);
+ IO_BITMAP_OFFSET + IO_BITMAP_BYTES +
+ sizeof(unsigned long) - 1);
write_gdt_entry(d, entry, &tss, DESC_TSS);
}
@@ -186,7 +187,7 @@ static inline void __set_tss_desc(unsigned cpu, unsigned int entry, void *addr)
static inline void native_set_ldt(const void *addr, unsigned int entries)
{
if (likely(entries == 0))
- __asm__ __volatile__("lldt %w0"::"q" (0));
+ asm volatile("lldt %w0"::"q" (0));
else {
unsigned cpu = smp_processor_id();
ldt_desc ldt;
@@ -195,7 +196,7 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
DESC_LDT, entries * sizeof(ldt) - 1);
write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT,
&ldt, DESC_LDT);
- __asm__ __volatile__("lldt %w0"::"q" (GDT_ENTRY_LDT*8));
+ asm volatile("lldt %w0"::"q" (GDT_ENTRY_LDT*8));
}
}
@@ -240,15 +241,15 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i];
}
-#define _LDT_empty(info) (\
- (info)->base_addr == 0 && \
- (info)->limit == 0 && \
- (info)->contents == 0 && \
- (info)->read_exec_only == 1 && \
- (info)->seg_32bit == 0 && \
- (info)->limit_in_pages == 0 && \
- (info)->seg_not_present == 1 && \
- (info)->useable == 0)
+#define _LDT_empty(info) \
+ ((info)->base_addr == 0 && \
+ (info)->limit == 0 && \
+ (info)->contents == 0 && \
+ (info)->read_exec_only == 1 && \
+ (info)->seg_32bit == 0 && \
+ (info)->limit_in_pages == 0 && \
+ (info)->seg_not_present == 1 && \
+ (info)->useable == 0)
#ifdef CONFIG_X86_64
#define LDT_empty(info) (_LDT_empty(info) && ((info)->lm == 0))
@@ -287,7 +288,7 @@ static inline unsigned long get_desc_limit(const struct desc_struct *desc)
}
static inline void _set_gate(int gate, unsigned type, void *addr,
- unsigned dpl, unsigned ist, unsigned seg)
+ unsigned dpl, unsigned ist, unsigned seg)
{
gate_desc s;
pack_gate(&s, type, (unsigned long)addr, dpl, ist, seg);
@@ -370,10 +371,10 @@ static inline void set_system_gate_ist(int n, void *addr, unsigned ist)
* Will read the base address of GDT_ENTRY_ESPFIX_SS and put it into %eax.
*/
#define GET_DESC_BASE(idx, gdt, base, lo_w, lo_b, hi_b) \
- movb idx*8+4(gdt), lo_b; \
- movb idx*8+7(gdt), hi_b; \
- shll $16, base; \
- movw idx*8+2(gdt), lo_w;
+ movb idx * 8 + 4(gdt), lo_b; \
+ movb idx * 8 + 7(gdt), hi_b; \
+ shll $16, base; \
+ movw idx * 8 + 2(gdt), lo_w;
#endif /* __ASSEMBLY__ */