*
* Communication to/from hypervisor.
*
- * Copyright (c) 2002-2003, K A Fraser
+ * Copyright (c) 2002-2004, K A Fraser
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
*/
* Assembler stubs for hyper-calls.
*/
-static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
+static inline int
+HYPERVISOR_set_trap_table(trap_info_t *table)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
- "b" (table) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_set_trap_table), "1" (table)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_mmu_update(mmu_update_t *req, int count,
- int *success_count)
+static inline int
+HYPERVISOR_mmu_update(mmu_update_t *req, int count, int *success_count)
{
int ret;
+ unsigned long ign1, ign2, ign3;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_mmu_update),
- "b" (req), "c" (count), "d" (success_count) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3)
+ : "0" (__HYPERVISOR_mmu_update), "1" (req), "2" (count),
+ "3" (success_count)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_set_gdt(unsigned long *frame_list, int entries)
+static inline int
+HYPERVISOR_set_gdt(unsigned long *frame_list, int entries)
{
int ret;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_gdt),
- "b" (frame_list), "c" (entries) : "memory" );
-
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_set_gdt), "1" (frame_list), "2" (entries)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp)
+static inline int
+HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp)
{
int ret;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_stack_switch),
- "b" (ss), "c" (esp) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_stack_switch), "1" (ss), "2" (esp)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_set_callbacks(
+static inline int
+HYPERVISOR_set_callbacks(
unsigned long event_selector, unsigned long event_address,
unsigned long failsafe_selector, unsigned long failsafe_address)
{
int ret;
+ unsigned long ign1, ign2, ign3, ign4;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_callbacks),
- "b" (event_selector), "c" (event_address),
- "d" (failsafe_selector), "S" (failsafe_address) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3), "=S" (ign4)
+ : "0" (__HYPERVISOR_set_callbacks), "1" (event_selector),
+ "2" (event_address), "3" (failsafe_selector), "4" (failsafe_address)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_fpu_taskswitch(void)
+static inline int
+HYPERVISOR_fpu_taskswitch(void)
{
int ret;
__asm__ __volatile__ (
return ret;
}
-static inline int HYPERVISOR_yield(void)
+static inline int
+HYPERVISOR_yield(void)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
- "b" (SCHEDOP_yield) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_sched_op), "1" (SCHEDOP_yield)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_block(void)
+static inline int
+HYPERVISOR_block(void)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
- "b" (SCHEDOP_block) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_sched_op), "1" (SCHEDOP_block)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_shutdown(void)
+static inline int
+HYPERVISOR_shutdown(void)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
- "b" (SCHEDOP_shutdown | (SHUTDOWN_poweroff << SCHEDOP_reasonshift))
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_sched_op),
+ "1" (SCHEDOP_shutdown | (SHUTDOWN_poweroff << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
-static inline int HYPERVISOR_reboot(void)
+static inline int
+HYPERVISOR_reboot(void)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
- "b" (SCHEDOP_shutdown | (SHUTDOWN_reboot << SCHEDOP_reasonshift))
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_sched_op),
+ "1" (SCHEDOP_shutdown | (SHUTDOWN_reboot << SCHEDOP_reasonshift))
: "memory" );
return ret;
}
-static inline int HYPERVISOR_suspend(unsigned long srec)
+static inline int
+HYPERVISOR_suspend(unsigned long srec)
{
int ret;
+ unsigned long ign1, ign2;
+
/* NB. On suspend, control software expects a suspend record in %esi. */
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_sched_op),
+ : "=a" (ret), "=b" (ign1), "=S" (ign2)
+ : "0" (__HYPERVISOR_sched_op),
"b" (SCHEDOP_shutdown | (SHUTDOWN_suspend << SCHEDOP_reasonshift)),
- "S" (srec) : "memory" );
+ "S" (srec) : "memory");
return ret;
}
-static inline long HYPERVISOR_set_timer_op(uint64_t timeout)
+static inline long
+HYPERVISOR_set_timer_op(uint64_t timeout)
{
int ret;
unsigned long timeout_hi = (unsigned long)(timeout>>32);
unsigned long timeout_lo = (unsigned long)timeout;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_timer_op),
- "b" (timeout_hi), "c" (timeout_lo) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_set_timer_op), "b" (timeout_hi), "c" (timeout_lo)
+ : "memory");
return ret;
}
-static inline int HYPERVISOR_dom0_op(dom0_op_t *dom0_op)
+static inline int
+HYPERVISOR_dom0_op(dom0_op_t *dom0_op)
{
int ret;
+ unsigned long ign1;
+
dom0_op->interface_version = DOM0_INTERFACE_VERSION;
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_dom0_op),
- "b" (dom0_op) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_dom0_op), "1" (dom0_op)
+ : "memory");
return ret;
}
-static inline int HYPERVISOR_set_debugreg(int reg, unsigned long value)
+static inline int
+HYPERVISOR_set_debugreg(int reg, unsigned long value)
{
int ret;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_debugreg),
- "b" (reg), "c" (value) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_set_debugreg), "1" (reg), "2" (value)
+ : "memory" );
return ret;
}
-static inline unsigned long HYPERVISOR_get_debugreg(int reg)
+static inline unsigned long
+HYPERVISOR_get_debugreg(int reg)
{
unsigned long ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_get_debugreg),
- "b" (reg) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_get_debugreg), "1" (reg)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_update_descriptor(
- unsigned long pa, unsigned long word1, unsigned long word2)
+static inline int
+HYPERVISOR_update_descriptor(unsigned long pa, unsigned long word1,
+ unsigned long word2)
{
int ret;
+ unsigned long ign1, ign2, ign3;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_update_descriptor),
- "b" (pa), "c" (word1), "d" (word2) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3)
+ : "0" (__HYPERVISOR_update_descriptor), "1" (pa), "2" (word1),
+ "3" (word2)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_set_fast_trap(int idx)
+static inline int
+HYPERVISOR_set_fast_trap(int idx)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_fast_trap),
- "b" (idx) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_set_fast_trap), "1" (idx)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_dom_mem_op(unsigned int op,
- unsigned long *extent_list,
- unsigned long nr_extents,
- unsigned int extent_order)
+static inline int
+HYPERVISOR_dom_mem_op(unsigned int op, unsigned long *extent_list,
+ unsigned long nr_extents, unsigned int extent_order)
{
int ret;
+ unsigned long ign1, ign2, ign3, ign4, ign5;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_dom_mem_op),
- "b" (op), "c" (extent_list), "d" (nr_extents), "S" (extent_order),
- "D" (DOMID_SELF)
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3), "=S" (ign4),
+ "=D" (ign5)
+ : "0" (__HYPERVISOR_dom_mem_op), "1" (op), "2" (extent_list),
+ "3" (nr_extents), "4" (extent_order), "5" (DOMID_SELF)
: "memory" );
return ret;
}
-static inline int HYPERVISOR_multicall(void *call_list, int nr_calls)
+static inline int
+HYPERVISOR_multicall(void *call_list, int nr_calls)
{
int ret;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_multicall),
- "b" (call_list), "c" (nr_calls) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_multicall), "1" (call_list), "2" (nr_calls)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_update_va_mapping(
- unsigned long page_nr, unsigned long new_val, unsigned long flags)
+static inline int
+HYPERVISOR_update_va_mapping(unsigned long page_nr, unsigned long new_val,
+ unsigned long flags)
{
int ret;
+ unsigned long ign1, ign2, ign3;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_update_va_mapping),
- "b" (page_nr), "c" (new_val), "d" (flags) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3)
+ : "0" (__HYPERVISOR_update_va_mapping),
+ "1" (page_nr), "2" (new_val), "3" (flags)
+ : "memory" );
if (__predict_false(ret < 0))
panic("Failed update VA mapping: %08lx, %08lx, %08lx",
return ret;
}
-static inline int HYPERVISOR_event_channel_op(void *op)
+static inline int
+HYPERVISOR_event_channel_op(void *op)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_event_channel_op),
- "b" (op) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_event_channel_op), "1" (op)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_xen_version(int cmd)
+static inline int
+HYPERVISOR_xen_version(int cmd)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_xen_version),
- "b" (cmd) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_xen_version), "1" (cmd)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_console_io(int cmd, int count, char *str)
+static inline int
+HYPERVISOR_console_io(int cmd, int count, char *str)
{
int ret;
+ unsigned long ign1, ign2, ign3;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_console_io),
- "b" (cmd), "c" (count), "d" (str) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3)
+ : "0" (__HYPERVISOR_console_io), "1" (cmd), "2" (count), "3" (str)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_physdev_op(void *physdev_op)
+static inline int
+HYPERVISOR_physdev_op(void *physdev_op)
{
int ret;
+ unsigned long ign1;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_physdev_op),
- "b" (physdev_op) : "memory" );
+ : "=a" (ret), "=b" (ign1)
+ : "0" (__HYPERVISOR_physdev_op), "1" (physdev_op)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_grant_table_op(void *gnttab_op)
+static inline int
+HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
{
int ret;
+ unsigned long ign1, ign2, ign3;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_grant_table_op),
- "b" (gnttab_op) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3)
+ : "0" (__HYPERVISOR_grant_table_op), "1" (cmd), "2" (count), "3" (uop)
+ : "memory" );
return ret;
}
-static inline int HYPERVISOR_update_va_mapping_otherdomain(
- unsigned long page_nr, unsigned long new_val, unsigned long flags, domid_t domid)
+static inline int
+HYPERVISOR_update_va_mapping_otherdomain(unsigned long page_nr,
+ unsigned long new_val, unsigned long flags, domid_t domid)
{
int ret;
+ unsigned long ign1, ign2, ign3, ign4;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_update_va_mapping_otherdomain),
- "b" (page_nr), "c" (new_val), "d" (flags), "S" (domid) :
+ : "=a" (ret), "=b" (ign1), "=c" (ign2), "=d" (ign3), "=S" (ign4)
+ : "0" (__HYPERVISOR_update_va_mapping_otherdomain),
+ "1" (page_nr), "2" (new_val), "3" (flags), "4" (domid) :
"memory" );
return ret;
}
-static inline int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type)
+static inline int
+HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type)
{
int ret;
+ unsigned long ign1, ign2;
+
__asm__ __volatile__ (
TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_vm_assist),
- "b" (cmd), "c" (type) : "memory" );
+ : "=a" (ret), "=b" (ign1), "=c" (ign2)
+ : "0" (__HYPERVISOR_vm_assist), "1" (cmd), "2" (type)
+ : "memory" );
return ret;
}