Update the hypercalls in Mini-OS to reflect the current state in XenLinux.

Signed-off-by: Aravindh Puthiyaparambil <aravindh.puthiyaparambil@unisys.com>

1 files changed, 8 insertions, 494 deletions

diff --git a/extras/mini-os/include/hypervisor.h b/extras/mini-os/include/hypervisor.h
index 98e319a6f9..f5daa2c315 100644
--- a/extras/mini-os/include/hypervisor.h
+++ b/extras/mini-os/include/hypervisor.h
@@ -3,10 +3,10 @@
  * 
  * Hypervisor handling.
  * 
- * TODO - x86_64 broken!
  *
  * Copyright (c) 2002, K A Fraser
  * Copyright (c) 2005, Grzegorz Milos
+ * Updates: Aravindh Puthiyaparambil <aravindh.puthiyaparambil@unisys.com>
  */
 
 #ifndef _HYPERVISOR_H_
@@ -15,6 +15,13 @@
 #include <types.h>
 #include <xen/xen.h>
 #include <xen/dom0_ops.h>
+#if defined(__i386__)
+#include <hypercall-x86_32.h>
+#elif defined(__x86_64__)
+#include <hypercall-x86_64.h>
+#else
+#error "Unsupported architecture"
+#endif
 
 /*
  * a placeholder for the start of day information passed up from the hypervisor
@@ -27,503 +34,10 @@ union start_info_union
 extern union start_info_union start_info_union;
 #define start_info (start_info_union.start_info)
 
-
 /* hypervisor.c */
 //void do_hypervisor_callback(struct pt_regs *regs);
 void mask_evtchn(u32 port);
 void unmask_evtchn(u32 port);
 void clear_evtchn(u32 port);
 
-/*
- * Assembler stubs for hyper-calls.
- */
-#if defined(__i386__)
-/* Taken from Linux */
-
-#ifndef __HYPERCALL_H__
-#define __HYPERCALL_H__
-
-#include <xen/sched.h>
-
-#define _hypercall0(type, name)			\
-({						\
-	long __res;				\
-	asm volatile (				\
-		TRAP_INSTR			\
-		: "=a" (__res)			\
-		: "0" (__HYPERVISOR_##name)	\
-		: "memory" );			\
-	(type)__res;				\
-})
-
-#define _hypercall1(type, name, a1)				\
-({								\
-	long __res, __ign1;					\
-	asm volatile (						\
-		TRAP_INSTR					\
-		: "=a" (__res), "=b" (__ign1)			\
-		: "0" (__HYPERVISOR_##name), "1" ((long)(a1))	\
-		: "memory" );					\
-	(type)__res;						\
-})
-
-#define _hypercall2(type, name, a1, a2)				\
-({								\
-	long __res, __ign1, __ign2;				\
-	asm volatile (						\
-		TRAP_INSTR					\
-		: "=a" (__res), "=b" (__ign1), "=c" (__ign2)	\
-		: "0" (__HYPERVISOR_##name), "1" ((long)(a1)),	\
-		"2" ((long)(a2))				\
-		: "memory" );					\
-	(type)__res;						\
-})
-
-#define _hypercall3(type, name, a1, a2, a3)			\
-({								\
-	long __res, __ign1, __ign2, __ign3;			\
-	asm volatile (						\
-		TRAP_INSTR					\
-		: "=a" (__res), "=b" (__ign1), "=c" (__ign2), 	\
-		"=d" (__ign3)					\
-		: "0" (__HYPERVISOR_##name), "1" ((long)(a1)),	\
-		"2" ((long)(a2)), "3" ((long)(a3))		\
-		: "memory" );					\
-	(type)__res;						\
-})
-
-#define _hypercall4(type, name, a1, a2, a3, a4)			\
-({								\
-	long __res, __ign1, __ign2, __ign3, __ign4;		\
-	asm volatile (						\
-		TRAP_INSTR					\
-		: "=a" (__res), "=b" (__ign1), "=c" (__ign2),	\
-		"=d" (__ign3), "=S" (__ign4)			\
-		: "0" (__HYPERVISOR_##name), "1" ((long)(a1)),	\
-		"2" ((long)(a2)), "3" ((long)(a3)),		\
-		"4" ((long)(a4))				\
-		: "memory" );					\
-	(type)__res;						\
-})
-
-#define _hypercall5(type, name, a1, a2, a3, a4, a5)		\
-({								\
-	long __res, __ign1, __ign2, __ign3, __ign4, __ign5;	\
-	asm volatile (						\
-		TRAP_INSTR					\
-		: "=a" (__res), "=b" (__ign1), "=c" (__ign2),	\
-		"=d" (__ign3), "=S" (__ign4), "=D" (__ign5)	\
-		: "0" (__HYPERVISOR_##name), "1" ((long)(a1)),	\
-		"2" ((long)(a2)), "3" ((long)(a3)),		\
-		"4" ((long)(a4)), "5" ((long)(a5))		\
-		: "memory" );					\
-	(type)__res;						\
-})
-
-static inline int
-HYPERVISOR_set_trap_table(
-	trap_info_t *table)
-{
-	return _hypercall1(int, set_trap_table, table);
-}
-
-static inline int
-HYPERVISOR_mmu_update(
-	mmu_update_t *req, int count, int *success_count, domid_t domid)
-{
-	return _hypercall4(int, mmu_update, req, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_mmuext_op(
-	struct mmuext_op *op, int count, int *success_count, domid_t domid)
-{
-	return _hypercall4(int, mmuext_op, op, count, success_count, domid);
-}
-
-static inline int
-HYPERVISOR_set_gdt(
-	unsigned long *frame_list, int entries)
-{
-	return _hypercall2(int, set_gdt, frame_list, entries);
-}
-
-static inline int
-HYPERVISOR_stack_switch(
-	unsigned long ss, unsigned long esp)
-{
-	return _hypercall2(int, stack_switch, ss, esp);
-}
-
-static inline int
-HYPERVISOR_set_callbacks(
-	unsigned long event_selector, unsigned long event_address,
-	unsigned long failsafe_selector, unsigned long failsafe_address)
-{
-	return _hypercall4(int, set_callbacks,
-			   event_selector, event_address,
-			   failsafe_selector, failsafe_address);
-}
-
-static inline int
-HYPERVISOR_fpu_taskswitch(
-	int set)
-{
-	return _hypercall1(int, fpu_taskswitch, set);
-}
-
-static inline int
-HYPERVISOR_sched_op(
-	int cmd, unsigned long arg)
-{
-	return _hypercall2(int, sched_op, cmd, arg);
-}
-
-static inline long
-HYPERVISOR_set_timer_op(
-	u64 timeout)
-{
-	unsigned long timeout_hi = (unsigned long)(timeout>>32);
-	unsigned long timeout_lo = (unsigned long)timeout;
-	return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
-}
-
-static inline int
-HYPERVISOR_dom0_op(
-	dom0_op_t *dom0_op)
-{
-	dom0_op->interface_version = DOM0_INTERFACE_VERSION;
-	return _hypercall1(int, dom0_op, dom0_op);
-}
-
-static inline int
-HYPERVISOR_set_debugreg(
-	int reg, unsigned long value)
-{
-	return _hypercall2(int, set_debugreg, reg, value);
-}
-
-static inline unsigned long
-HYPERVISOR_get_debugreg(
-	int reg)
-{
-	return _hypercall1(unsigned long, get_debugreg, reg);
-}
-
-static inline int
-HYPERVISOR_update_descriptor(
-	u64 ma, u64 desc)
-{
-	return _hypercall4(int, update_descriptor, ma, ma>>32, desc, desc>>32);
-}
-
-static inline int
-HYPERVISOR_memory_op(
-	unsigned int cmd, void *arg)
-{
-	return _hypercall2(int, memory_op, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_multicall(
-	void *call_list, int nr_calls)
-{
-	return _hypercall2(int, multicall, call_list, nr_calls);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping(
-	unsigned long va, pte_t new_val, unsigned long flags)
-{
-	unsigned long pte_hi = 0;
-#ifdef CONFIG_X86_PAE
-	pte_hi = new_val.pte_high;
-#endif
-	return _hypercall4(int, update_va_mapping, va,
-			   new_val.pte_low, pte_hi, flags);
-}
-
-static inline int
-HYPERVISOR_event_channel_op(
-	void *op)
-{
-	return _hypercall1(int, event_channel_op, op);
-}
-
-static inline int
-HYPERVISOR_xen_version(
-	int cmd, void *arg)
-{
-	return _hypercall2(int, xen_version, cmd, arg);
-}
-
-static inline int
-HYPERVISOR_console_io(
-	int cmd, int count, char *str)
-{
-	return _hypercall3(int, console_io, cmd, count, str);
-}
-
-static inline int
-HYPERVISOR_physdev_op(
-	void *physdev_op)
-{
-	return _hypercall1(int, physdev_op, physdev_op);
-}
-
-static inline int
-HYPERVISOR_grant_table_op(
-	unsigned int cmd, void *uop, unsigned int count)
-{
-	return _hypercall3(int, grant_table_op, cmd, uop, count);
-}
-
-static inline int
-HYPERVISOR_update_va_mapping_otherdomain(
-	unsigned long va, pte_t new_val, unsigned long flags, domid_t domid)
-{
-	unsigned long pte_hi = 0;
-#ifdef CONFIG_X86_PAE
-	pte_hi = new_val.pte_high;
-#endif
-	return _hypercall5(int, update_va_mapping_otherdomain, va,
-			   new_val.pte_low, pte_hi, flags, domid);
-}
-
-static inline int
-HYPERVISOR_vm_assist(
-	unsigned int cmd, unsigned int type)
-{
-	return _hypercall2(int, vm_assist, cmd, type);
-}
-
-static inline int
-HYPERVISOR_vcpu_op(
-	int cmd, int vcpuid, void *extra_args)
-{
-	return _hypercall3(int, vcpu_op, cmd, vcpuid, extra_args);
-}
-
-static inline int
-HYPERVISOR_suspend(
-	unsigned long srec)
-{
-	return _hypercall3(int, sched_op, SCHEDOP_shutdown,
-			   SHUTDOWN_suspend, srec);
-}
-
-#endif /* __HYPERCALL_H__ */
-#elif defined(__x86_64__)
-
-#define __syscall_clobber "r11","rcx","memory"
-
-/*
- * Assembler stubs for hyper-calls.
- */
-static inline int
-HYPERVISOR_set_trap_table(
-    trap_info_t *table)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_set_trap_table), "D" (table)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_mmu_update(
-    mmu_update_t *req, int count, int *success_count, domid_t domid)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        "movq %5, %%r10;" TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_mmu_update), "D" (req), "S" ((long)count),
-	  "d" (success_count), "g" ((unsigned long)domid)
-	: __syscall_clobber, "r10" );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_mmuext_op(
-    struct mmuext_op *op, int count, int *success_count, domid_t domid)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        "movq %5, %%r10;" TRAP_INSTR
-        : "=a" (ret)
-        : "0" (__HYPERVISOR_mmuext_op), "D" (op), "S" ((long)count), 
-          "d" (success_count), "g" ((unsigned long)domid)
-        : __syscall_clobber, "r10" );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_set_gdt(
-    unsigned long *frame_list, int entries)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_set_gdt), "D" (frame_list), "S" ((long)entries)
-	: __syscall_clobber );
-
-
-    return ret;
-}
-static inline int
-HYPERVISOR_stack_switch(
-    unsigned long ss, unsigned long esp)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_stack_switch), "D" (ss), "S" (esp)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_set_callbacks(
-    unsigned long event_address, unsigned long failsafe_address, 
-    unsigned long syscall_address)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_set_callbacks), "D" (event_address),
-	  "S" (failsafe_address), "d" (syscall_address)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_fpu_taskswitch(
-    int set)
-{
-    int ret;
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret) : "0" ((unsigned long)__HYPERVISOR_fpu_taskswitch),
-          "D" ((unsigned long) set) : __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_yield(
-    void)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_sched_op), "D" ((unsigned long)SCHEDOP_yield)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_block(
-    void)
-{
-    int ret;
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_sched_op), "D" ((unsigned long)SCHEDOP_block)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_shutdown(
-    void)
-{
-    int ret;
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_sched_op),
-	  "D" ((unsigned long)(SCHEDOP_shutdown | (SHUTDOWN_poweroff << SCHEDOP_reasonshift)))
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_reboot(
-    void)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_sched_op),
-	  "D" ((unsigned long)(SCHEDOP_shutdown | (SHUTDOWN_reboot << SCHEDOP_reasonshift)))
-	: __syscall_clobber );
-
-    return ret;
-}
-
-static inline int
-HYPERVISOR_suspend(
-    unsigned long srec)
-{
-    int ret;
-
-    /* NB. On suspend, control software expects a suspend record in %esi. */
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_sched_op),
-        "D" ((unsigned long)(SCHEDOP_shutdown | (SHUTDOWN_suspend << SCHEDOP_reasonshift))), 
-        "S" (srec)
-	: __syscall_clobber );
-
-    return ret;
-}
-
-/*
- * We can have the timeout value in a single argument for the hypercall, but
- * that will break the common code. 
- */
-static inline long
-HYPERVISOR_set_timer_op(
-    u64 timeout)
-{
-    int ret;
-
-    __asm__ __volatile__ (
-        TRAP_INSTR
-        : "=a" (ret)
-	: "0" ((unsigned long)__HYPERVISOR_set_timer_op),
-	  "D" (timeout)
-	: __syscall_clobber );
-
-    return ret;
-}
-#endif
-
 #endif /* __HYPERVISOR_H__ */