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cpufeatureset.h
(15.87 KB)
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cpuid.h
(4.42 KB)
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hvm
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pmu.h
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xen-mca.h
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xen-x86_32.h
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xen-x86_64.h
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xen.h
(14.19 KB)
Editing: xen-x86_32.h
/****************************************************************************** * xen-x86_32.h * * Guest OS interface to x86 32-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) 2004-2007, K A Fraser */ #ifndef __XEN_PUBLIC_ARCH_X86_XEN_X86_32_H__ #define __XEN_PUBLIC_ARCH_X86_XEN_X86_32_H__ /* * Hypercall interface: * Input: %ebx, %ecx, %edx, %esi, %edi, %ebp (arguments 1-6) * Output: %eax * Access is via hypercall page (set up by guest loader or via a Xen MSR): * call hypercall_page + hypercall-number * 32 * Clobbered: Argument registers (e.g., 2-arg hypercall clobbers %ebx,%ecx) */ /* * These flat segments are in the Xen-private section of every GDT. Since these * are also present in the initial GDT, many OSes will be able to avoid * installing their own GDT. */ #define FLAT_RING1_CS 0xe019 /* GDT index 259 */ #define FLAT_RING1_DS 0xe021 /* GDT index 260 */ #define FLAT_RING1_SS 0xe021 /* GDT index 260 */ #define FLAT_RING3_CS 0xe02b /* GDT index 261 */ #define FLAT_RING3_DS 0xe033 /* GDT index 262 */ #define FLAT_RING3_SS 0xe033 /* GDT index 262 */ #define FLAT_KERNEL_CS FLAT_RING1_CS #define FLAT_KERNEL_DS FLAT_RING1_DS #define FLAT_KERNEL_SS FLAT_RING1_SS #define FLAT_USER_CS FLAT_RING3_CS #define FLAT_USER_DS FLAT_RING3_DS #define FLAT_USER_SS FLAT_RING3_SS #define __HYPERVISOR_VIRT_START_PAE 0xF5800000 #define __MACH2PHYS_VIRT_START_PAE 0xF5800000 #define __MACH2PHYS_VIRT_END_PAE 0xF6800000 #define HYPERVISOR_VIRT_START_PAE xen_mk_ulong(__HYPERVISOR_VIRT_START_PAE) #define MACH2PHYS_VIRT_START_PAE xen_mk_ulong(__MACH2PHYS_VIRT_START_PAE) #define MACH2PHYS_VIRT_END_PAE xen_mk_ulong(__MACH2PHYS_VIRT_END_PAE) /* Non-PAE bounds are obsolete. */ #define __HYPERVISOR_VIRT_START_NONPAE 0xFC000000 #define __MACH2PHYS_VIRT_START_NONPAE 0xFC000000 #define __MACH2PHYS_VIRT_END_NONPAE 0xFC400000 #define HYPERVISOR_VIRT_START_NONPAE \ xen_mk_ulong(__HYPERVISOR_VIRT_START_NONPAE) #define MACH2PHYS_VIRT_START_NONPAE \ xen_mk_ulong(__MACH2PHYS_VIRT_START_NONPAE) #define MACH2PHYS_VIRT_END_NONPAE \ xen_mk_ulong(__MACH2PHYS_VIRT_END_NONPAE) #define __HYPERVISOR_VIRT_START __HYPERVISOR_VIRT_START_PAE #define __MACH2PHYS_VIRT_START __MACH2PHYS_VIRT_START_PAE #define __MACH2PHYS_VIRT_END __MACH2PHYS_VIRT_END_PAE #ifndef HYPERVISOR_VIRT_START #define HYPERVISOR_VIRT_START xen_mk_ulong(__HYPERVISOR_VIRT_START) #endif #define MACH2PHYS_VIRT_START xen_mk_ulong(__MACH2PHYS_VIRT_START) #define MACH2PHYS_VIRT_END xen_mk_ulong(__MACH2PHYS_VIRT_END) #define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>2) #ifndef machine_to_phys_mapping #define machine_to_phys_mapping ((unsigned long *)MACH2PHYS_VIRT_START) #endif /* 32-/64-bit invariability for control interfaces (domctl/sysctl). */ #if defined(__XEN__) || defined(__XEN_TOOLS__) #undef ___DEFINE_XEN_GUEST_HANDLE #define ___DEFINE_XEN_GUEST_HANDLE(name, type) \ typedef struct { type *p; } \ __guest_handle_ ## name; \ typedef struct { union { type *p; uint64_aligned_t q; }; } \ __guest_handle_64_ ## name #undef set_xen_guest_handle_raw #define set_xen_guest_handle_raw(hnd, val) \ do { if ( sizeof(hnd) == 8 ) *(uint64_t *)&(hnd) = 0; \ (hnd).p = val; \ } while ( 0 ) #define int64_aligned_t int64_t __attribute__((aligned(8))) #define uint64_aligned_t uint64_t __attribute__((aligned(8))) #define __XEN_GUEST_HANDLE_64(name) __guest_handle_64_ ## name #define XEN_GUEST_HANDLE_64(name) __XEN_GUEST_HANDLE_64(name) #endif #ifndef __ASSEMBLY__ #if defined(XEN_GENERATING_COMPAT_HEADERS) /* nothing */ #elif defined(__XEN__) || defined(__XEN_TOOLS__) /* Anonymous unions include all permissible names (e.g., al/ah/ax/eax). */ #define __DECL_REG_LO8(which) union { \ uint32_t e ## which ## x; \ uint16_t which ## x; \ struct { \ uint8_t which ## l; \ uint8_t which ## h; \ }; \ } #define __DECL_REG_LO16(name) union { \ uint32_t e ## name, _e ## name; \ uint16_t name; \ } #else /* Other sources must always use the proper 32-bit name (e.g., eax). */ #define __DECL_REG_LO8(which) uint32_t e ## which ## x #define __DECL_REG_LO16(name) uint32_t e ## name #endif struct cpu_user_regs { __DECL_REG_LO8(b); __DECL_REG_LO8(c); __DECL_REG_LO8(d); __DECL_REG_LO16(si); __DECL_REG_LO16(di); __DECL_REG_LO16(bp); __DECL_REG_LO8(a); uint16_t error_code; /* private */ uint16_t entry_vector; /* private */ __DECL_REG_LO16(ip); uint16_t cs; uint8_t saved_upcall_mask; uint8_t _pad0; __DECL_REG_LO16(flags); /* eflags.IF == !saved_upcall_mask */ __DECL_REG_LO16(sp); uint16_t ss, _pad1; uint16_t es, _pad2; uint16_t ds, _pad3; uint16_t fs, _pad4; uint16_t gs, _pad5; }; typedef struct cpu_user_regs cpu_user_regs_t; DEFINE_XEN_GUEST_HANDLE(cpu_user_regs_t); #undef __DECL_REG_LO8 #undef __DECL_REG_LO16 /* * Page-directory addresses above 4GB do not fit into architectural %cr3. * When accessing %cr3, or equivalent field in vcpu_guest_context, guests * must use the following accessor macros to pack/unpack valid MFNs. */ #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20)) #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20)) struct arch_vcpu_info { unsigned long cr2; unsigned long pad[5]; /* sizeof(vcpu_info_t) == 64 */ }; typedef struct arch_vcpu_info arch_vcpu_info_t; struct xen_callback { unsigned long cs; unsigned long eip; }; typedef struct xen_callback xen_callback_t; #endif /* !__ASSEMBLY__ */ #endif /* __XEN_PUBLIC_ARCH_X86_XEN_X86_32_H__ */ /* * Local variables: * mode: C * c-file-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */
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