diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/xen/arch-x86/xen.h')
| -rw-r--r-- | qemu/roms/ipxe/src/include/xen/arch-x86/xen.h | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/qemu/roms/ipxe/src/include/xen/arch-x86/xen.h b/qemu/roms/ipxe/src/include/xen/arch-x86/xen.h deleted file mode 100644 index d75528f04..000000000 --- a/qemu/roms/ipxe/src/include/xen/arch-x86/xen.h +++ /dev/null @@ -1,275 +0,0 @@ -/****************************************************************************** - * arch-x86/xen.h - * - * Guest OS interface to x86 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) 2004-2006, K A Fraser - */ - -#include "../xen.h" - -#ifndef __XEN_PUBLIC_ARCH_X86_XEN_H__ -#define __XEN_PUBLIC_ARCH_X86_XEN_H__ - -FILE_LICENCE ( MIT ); - -/* Structural guest handles introduced in 0x00030201. */ -#if __XEN_INTERFACE_VERSION__ >= 0x00030201 -#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \ - typedef struct { type *p; } __guest_handle_ ## name -#else -#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \ - typedef type * __guest_handle_ ## name -#endif - -/* - * XEN_GUEST_HANDLE represents a guest pointer, when passed as a field - * in a struct in memory. - * XEN_GUEST_HANDLE_PARAM represent a guest pointer, when passed as an - * hypercall argument. - * XEN_GUEST_HANDLE_PARAM and XEN_GUEST_HANDLE are the same on X86 but - * they might not be on other architectures. - */ -#define __DEFINE_XEN_GUEST_HANDLE(name, type) \ - ___DEFINE_XEN_GUEST_HANDLE(name, type); \ - ___DEFINE_XEN_GUEST_HANDLE(const_##name, const type) -#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) -#define __XEN_GUEST_HANDLE(name) __guest_handle_ ## name -#define XEN_GUEST_HANDLE(name) __XEN_GUEST_HANDLE(name) -#define XEN_GUEST_HANDLE_PARAM(name) XEN_GUEST_HANDLE(name) -#define set_xen_guest_handle_raw(hnd, val) do { (hnd).p = val; } while (0) -#ifdef __XEN_TOOLS__ -#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0) -#endif -#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val) - -#if defined(__i386__) -#include "xen-x86_32.h" -#elif defined(__x86_64__) -#include "xen-x86_64.h" -#endif - -#ifndef __ASSEMBLY__ -typedef unsigned long xen_pfn_t; -#define PRI_xen_pfn "lx" -#endif - -#define XEN_HAVE_PV_GUEST_ENTRY 1 - -#define XEN_HAVE_PV_UPCALL_MASK 1 - -/* - * `incontents 200 segdesc Segment Descriptor Tables - */ -/* - * ` enum neg_errnoval - * ` HYPERVISOR_set_gdt(const xen_pfn_t frames[], unsigned int entries); - * ` - */ -/* - * A number of GDT entries are reserved by Xen. These are not situated at the - * start of the GDT because some stupid OSes export hard-coded selector values - * in their ABI. These hard-coded values are always near the start of the GDT, - * so Xen places itself out of the way, at the far end of the GDT. - * - * NB The LDT is set using the MMUEXT_SET_LDT op of HYPERVISOR_mmuext_op - */ -#define FIRST_RESERVED_GDT_PAGE 14 -#define FIRST_RESERVED_GDT_BYTE (FIRST_RESERVED_GDT_PAGE * 4096) -#define FIRST_RESERVED_GDT_ENTRY (FIRST_RESERVED_GDT_BYTE / 8) - - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_update_descriptor(u64 pa, u64 desc); - * ` - * ` @pa The machine physical address of the descriptor to - * ` update. Must be either a descriptor page or writable. - * ` @desc The descriptor value to update, in the same format as a - * ` native descriptor table entry. - */ - -/* Maximum number of virtual CPUs in legacy multi-processor guests. */ -#define XEN_LEGACY_MAX_VCPUS 32 - -#ifndef __ASSEMBLY__ - -typedef unsigned long xen_ulong_t; -#define PRI_xen_ulong "lx" - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp); - * ` - * Sets the stack segment and pointer for the current vcpu. - */ - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_set_trap_table(const struct trap_info traps[]); - * ` - */ -/* - * Send an array of these to HYPERVISOR_set_trap_table(). - * Terminate the array with a sentinel entry, with traps[].address==0. - * The privilege level specifies which modes may enter a trap via a software - * interrupt. On x86/64, since rings 1 and 2 are unavailable, we allocate - * privilege levels as follows: - * Level == 0: Noone may enter - * Level == 1: Kernel may enter - * Level == 2: Kernel may enter - * Level == 3: Everyone may enter - */ -#define TI_GET_DPL(_ti) ((_ti)->flags & 3) -#define TI_GET_IF(_ti) ((_ti)->flags & 4) -#define TI_SET_DPL(_ti,_dpl) ((_ti)->flags |= (_dpl)) -#define TI_SET_IF(_ti,_if) ((_ti)->flags |= ((!!(_if))<<2)) -struct trap_info { - uint8_t vector; /* exception vector */ - uint8_t flags; /* 0-3: privilege level; 4: clear event enable? */ - uint16_t cs; /* code selector */ - unsigned long address; /* code offset */ -}; -typedef struct trap_info trap_info_t; -DEFINE_XEN_GUEST_HANDLE(trap_info_t); - -typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ - -/* - * The following is all CPU context. Note that the fpu_ctxt block is filled - * in by FXSAVE if the CPU has feature FXSR; otherwise FSAVE is used. - * - * Also note that when calling DOMCTL_setvcpucontext and VCPU_initialise - * for HVM and PVH guests, not all information in this structure is updated: - * - * - For HVM guests, the structures read include: fpu_ctxt (if - * VGCT_I387_VALID is set), flags, user_regs, debugreg[*] - * - * - PVH guests are the same as HVM guests, but additionally use ctrlreg[3] to - * set cr3. All other fields not used should be set to 0. - */ -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_IN_KERNEL (1<<2) -#define _VGCF_i387_valid 0 -#define VGCF_i387_valid (1<<_VGCF_i387_valid) -#define _VGCF_in_kernel 2 -#define VGCF_in_kernel (1<<_VGCF_in_kernel) -#define _VGCF_failsafe_disables_events 3 -#define VGCF_failsafe_disables_events (1<<_VGCF_failsafe_disables_events) -#define _VGCF_syscall_disables_events 4 -#define VGCF_syscall_disables_events (1<<_VGCF_syscall_disables_events) -#define _VGCF_online 5 -#define VGCF_online (1<<_VGCF_online) - unsigned long flags; /* VGCF_* flags */ - struct cpu_user_regs user_regs; /* User-level CPU registers */ - struct trap_info trap_ctxt[256]; /* Virtual IDT */ - unsigned long ldt_base, ldt_ents; /* LDT (linear address, # ents) */ - unsigned long gdt_frames[16], gdt_ents; /* GDT (machine frames, # ents) */ - unsigned long kernel_ss, kernel_sp; /* Virtual TSS (only SS1/SP1) */ - /* NB. User pagetable on x86/64 is placed in ctrlreg[1]. */ - unsigned long ctrlreg[8]; /* CR0-CR7 (control registers) */ - unsigned long debugreg[8]; /* DB0-DB7 (debug registers) */ -#ifdef __i386__ - unsigned long event_callback_cs; /* CS:EIP of event callback */ - unsigned long event_callback_eip; - unsigned long failsafe_callback_cs; /* CS:EIP of failsafe callback */ - unsigned long failsafe_callback_eip; -#else - unsigned long event_callback_eip; - unsigned long failsafe_callback_eip; -#ifdef __XEN__ - union { - unsigned long syscall_callback_eip; - struct { - unsigned int event_callback_cs; /* compat CS of event cb */ - unsigned int failsafe_callback_cs; /* compat CS of failsafe cb */ - }; - }; -#else - unsigned long syscall_callback_eip; -#endif -#endif - unsigned long vm_assist; /* VMASST_TYPE_* bitmap */ -#ifdef __x86_64__ - /* Segment base addresses. */ - uint64_t fs_base; - uint64_t gs_base_kernel; - uint64_t gs_base_user; -#endif -}; -typedef struct vcpu_guest_context vcpu_guest_context_t; -DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t); - -struct arch_shared_info { - unsigned long max_pfn; /* max pfn that appears in table */ - /* Frame containing list of mfns containing list of mfns containing p2m. */ - xen_pfn_t pfn_to_mfn_frame_list_list; - unsigned long nmi_reason; - uint64_t pad[32]; -}; -typedef struct arch_shared_info arch_shared_info_t; - -#endif /* !__ASSEMBLY__ */ - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_fpu_taskswitch(int set); - * ` - * Sets (if set!=0) or clears (if set==0) CR0.TS. - */ - -/* - * ` enum neg_errnoval - * ` HYPERVISOR_set_debugreg(int regno, unsigned long value); - * - * ` unsigned long - * ` HYPERVISOR_get_debugreg(int regno); - * For 0<=reg<=7, returns the debug register value. - * For other values of reg, returns ((unsigned long)-EINVAL). - * (Unfortunately, this interface is defective.) - */ - -/* - * Prefix forces emulation of some non-trapping instructions. - * Currently only CPUID. - */ -#ifdef __ASSEMBLY__ -#define XEN_EMULATE_PREFIX .byte 0x0f,0x0b,0x78,0x65,0x6e ; -#define XEN_CPUID XEN_EMULATE_PREFIX cpuid -#else -#define XEN_EMULATE_PREFIX ".byte 0x0f,0x0b,0x78,0x65,0x6e ; " -#define XEN_CPUID XEN_EMULATE_PREFIX "cpuid" -#endif - -#endif /* __XEN_PUBLIC_ARCH_X86_XEN_H__ */ - -/* - * Local variables: - * mode: C - * c-file-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |