diff options
Diffstat (limited to 'xen/include/public/arch-x86_64.h')
| -rw-r--r-- | xen/include/public/arch-x86_64.h | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/xen/include/public/arch-x86_64.h b/xen/include/public/arch-x86_64.h index 2891cfa29e..a60bc204ef 100644 --- a/xen/include/public/arch-x86_64.h +++ b/xen/include/public/arch-x86_64.h @@ -3,6 +3,24 @@ * * Guest OS interface to x86 64-bit Xen. * + * 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: + * + * 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. + * * Copyright (c) 2004, K A Fraser */ @@ -152,7 +170,7 @@ typedef unsigned long xen_ulong_t; * directly with * orb $3,1*8(%rsp) * iretq - * If flags contains VGCF_IN_SYSCALL: + * If flags contains VGCF_in_syscall: * Restore RAX, RIP, RFLAGS, RSP. * Discard R11, RCX, CS, SS. * Otherwise: @@ -160,7 +178,9 @@ typedef unsigned long xen_ulong_t; * All other registers are saved on hypercall entry and restored to user. */ /* Guest exited in SYSCALL context? Return to guest with SYSRET? */ -#define VGCF_IN_SYSCALL (1<<8) +#define _VGCF_in_syscall 8 +#define VGCF_in_syscall (1<<_VGCF_in_syscall) +#define VGCF_IN_SYSCALL VGCF_in_syscall struct iret_context { /* Top of stack (%rsp at point of hypercall). */ uint64_t rax, r11, rcx, flags, rip, cs, rflags, rsp, ss; @@ -243,12 +263,9 @@ struct vcpu_guest_context { /* FPU registers come first so they can be aligned for FXSAVE/FXRSTOR. */ struct { char x[512]; } fpu_ctxt; /* User-level FPU registers */ #define VGCF_I387_VALID (1<<0) -#define VGCF_HVM_GUEST (1<<1) #define VGCF_IN_KERNEL (1<<2) #define _VGCF_i387_valid 0 #define VGCF_i387_valid (1<<_VGCF_i387_valid) -#define _VGCF_hvm_guest 1 -#define VGCF_hvm_guest (1<<_VGCF_hvm_guest) #define _VGCF_in_kernel 2 #define VGCF_in_kernel (1<<_VGCF_in_kernel) #define _VGCF_failsafe_disables_events 3 |