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Add memory barriers.

This commit is contained in:
cl 2004-04-25 18:30:55 +00:00
parent 24cedfbba2
commit b336bf8532
1 changed files with 14 additions and 14 deletions
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28
sys/arch/xen/include/hypervisor.h
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@ -1,4 +1,4 @@
/* $NetBSD: hypervisor.h,v 1.5 2004/04/24 18:24:14 cl Exp $ */ /* $NetBSD: hypervisor.h,v 1.6 2004/04/25 18:30:55 cl Exp $ */
/* /*
* *
@ -79,7 +79,7 @@ static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_set_trap_table), : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
"b" (table) ); "b" (table) : "memory" );
return ret; return ret;
} }
@ -90,7 +90,7 @@ static inline int HYPERVISOR_mmu_update(mmu_update_t *req, int count)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_mmu_update), : "=a" (ret) : "0" (__HYPERVISOR_mmu_update),
"b" (req), "c" (count) ); "b" (req), "c" (count) : "memory" );
if (__predict_false(ret < 0)) if (__predict_false(ret < 0))
panic("Failed mmu update: %p, %d", req, count); panic("Failed mmu update: %p, %d", req, count);
@ -104,7 +104,7 @@ static inline int HYPERVISOR_console_write(const char *str, int count)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_console_write), : "=a" (ret) : "0" (__HYPERVISOR_console_write),
"b" (str), "c" (count) ); "b" (str), "c" (count) : "memory" );
return ret; return ret;
@ -116,7 +116,7 @@ static inline int HYPERVISOR_set_gdt(unsigned long *frame_list, int entries)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_set_gdt), : "=a" (ret) : "0" (__HYPERVISOR_set_gdt),
"b" (frame_list), "c" (entries) ); "b" (frame_list), "c" (entries) : "memory" );
return ret; return ret;
@ -163,7 +163,7 @@ static inline int HYPERVISOR_fpu_taskswitch(void)
int ret; int ret;
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) ); : "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) : "memory" );
return ret; return ret;
} }
@ -174,7 +174,7 @@ static inline int HYPERVISOR_yield(void)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op), : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_yield) ); "b" (SCHEDOP_yield) : "memory" );
return ret; return ret;
} }
@ -185,7 +185,7 @@ static inline int HYPERVISOR_exit(void)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_sched_op), : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_exit) ); "b" (SCHEDOP_exit) : "memory" );
return ret; return ret;
} }
@ -242,7 +242,7 @@ static inline int HYPERVISOR_set_debugreg(int reg, unsigned long value)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_set_debugreg), : "=a" (ret) : "0" (__HYPERVISOR_set_debugreg),
"b" (reg), "c" (value) ); "b" (reg), "c" (value) : "memory" );
return ret; return ret;
} }
@ -253,7 +253,7 @@ static inline unsigned long HYPERVISOR_get_debugreg(int reg)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_get_debugreg), : "=a" (ret) : "0" (__HYPERVISOR_get_debugreg),
"b" (reg) ); "b" (reg) : "memory" );
return ret; return ret;
} }
@ -265,7 +265,7 @@ static inline int HYPERVISOR_update_descriptor(
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_update_descriptor), : "=a" (ret) : "0" (__HYPERVISOR_update_descriptor),
"b" (pa), "c" (word1), "d" (word2) ); "b" (pa), "c" (word1), "d" (word2) : "memory" );
return ret; return ret;
} }
@ -276,7 +276,7 @@ static inline int HYPERVISOR_set_fast_trap(int idx)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_set_fast_trap), : "=a" (ret) : "0" (__HYPERVISOR_set_fast_trap),
"b" (idx) ); "b" (idx) : "memory" );
return ret; return ret;
} }
@ -309,7 +309,7 @@ static inline long HYPERVISOR_kbd_op(unsigned char op, unsigned char val)
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_kbd_op), : "=a" (ret) : "0" (__HYPERVISOR_kbd_op),
"b" (op), "c" (val) ); "b" (op), "c" (val) : "memory" );
return ret; return ret;
} }
@ -321,7 +321,7 @@ static inline int HYPERVISOR_update_va_mapping(
__asm__ __volatile__ ( __asm__ __volatile__ (
TRAP_INSTR TRAP_INSTR
: "=a" (ret) : "0" (__HYPERVISOR_update_va_mapping), : "=a" (ret) : "0" (__HYPERVISOR_update_va_mapping),
"b" (page_nr), "c" (new_val), "d" (flags) ); "b" (page_nr), "c" (new_val), "d" (flags) : "memory" );
if (__predict_false(ret < 0)) if (__predict_false(ret < 0))
panic("Failed update VA mapping: %08lx, %08lx, %08lx", panic("Failed update VA mapping: %08lx, %08lx, %08lx",