[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] Create new public header directory for x86-specific definitions.
# HG changeset patch # User kfraser@xxxxxxxxxxxxxxxxxxxxx # Date 1166718011 0 # Node ID 71c40c3f92f753c7e8cdf1cd30509a50565fa662 # Parent 8348f40ba2b76912efeccd7b04416361b9933cf4 Create new public header directory for x86-specific definitions. Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx> --- tools/Rules.mk | 2 xen/include/public/arch-x86/xen-x86_32.h | 151 ++++++++++++++ xen/include/public/arch-x86/xen-x86_64.h | 208 ++++++++++++++++++++ xen/include/public/arch-x86/xen.h | 190 ++++++++++++++++++ xen/include/public/arch-x86_32.h | 247 ------------------------ xen/include/public/arch-x86_64.h | 316 ------------------------------- xen/include/public/xen.h | 6 7 files changed, 557 insertions(+), 563 deletions(-) diff -r 8348f40ba2b7 -r 71c40c3f92f7 tools/Rules.mk --- a/tools/Rules.mk Thu Dec 21 14:49:19 2006 +0000 +++ b/tools/Rules.mk Thu Dec 21 16:20:11 2006 +0000 @@ -50,5 +50,7 @@ mk-symlinks-xen: ( cd xen/hvm && ln -sf ../../$(XEN_ROOT)/xen/include/public/hvm/*.h . ) mkdir -p xen/io ( cd xen/io && ln -sf ../../$(XEN_ROOT)/xen/include/public/io/*.h . ) + mkdir -p xen/arch-x86 + ( cd xen/arch-x86 && ln -sf ../../$(XEN_ROOT)/xen/include/public/arch-x86/*.h . ) mk-symlinks: mk-symlinks-xen mk-symlinks-$(XEN_OS) diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/arch-x86/xen-x86_32.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/xen/include/public/arch-x86/xen-x86_32.h Thu Dec 21 16:20:11 2006 +0000 @@ -0,0 +1,151 @@ +/****************************************************************************** + * 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) 2004-2006, 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 (arguments 1-5) + * 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) + */ + +#if __XEN_INTERFACE_VERSION__ < 0x00030203 +/* + * Legacy hypercall interface: + * As above, except the entry sequence to the hypervisor is: + * mov $hypercall-number*32,%eax ; int $0x82 + */ +#define TRAP_INSTR "int $0x82" +#endif + +/* + * 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 + +/* + * Virtual addresses beyond this are not modifiable by guest OSes. The + * machine->physical mapping table starts at this address, read-only. + */ +#ifdef CONFIG_X86_PAE +#define __HYPERVISOR_VIRT_START 0xF5800000 +#define __MACH2PHYS_VIRT_START 0xF5800000 +#define __MACH2PHYS_VIRT_END 0xF6800000 +#else +#define __HYPERVISOR_VIRT_START 0xFC000000 +#define __MACH2PHYS_VIRT_START 0xFC000000 +#define __MACH2PHYS_VIRT_END 0xFC400000 +#endif + +#ifndef HYPERVISOR_VIRT_START +#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) +#endif + +#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) +#define MACH2PHYS_VIRT_END mk_unsigned_long(__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 + +#ifndef __ASSEMBLY__ + +struct cpu_user_regs { + uint32_t ebx; + uint32_t ecx; + uint32_t edx; + uint32_t esi; + uint32_t edi; + uint32_t ebp; + uint32_t eax; + uint16_t error_code; /* private */ + uint16_t entry_vector; /* private */ + uint32_t eip; + uint16_t cs; + uint8_t saved_upcall_mask; + uint8_t _pad0; + uint32_t eflags; /* eflags.IF == !saved_upcall_mask */ + uint32_t esp; + 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); + +/* + * 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-set-style: "BSD" + * c-basic-offset: 4 + * tab-width: 4 + * indent-tabs-mode: nil + * End: + */ diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/arch-x86/xen-x86_64.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/xen/include/public/arch-x86/xen-x86_64.h Thu Dec 21 16:20:11 2006 +0000 @@ -0,0 +1,208 @@ +/****************************************************************************** + * xen-x86_64.h + * + * 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) 2004-2006, K A Fraser + */ + +#ifndef __XEN_PUBLIC_ARCH_X86_XEN_X86_64_H__ +#define __XEN_PUBLIC_ARCH_X86_XEN_X86_64_H__ + +/* + * Hypercall interface: + * Input: %rdi, %rsi, %rdx, %r10, %r8 (arguments 1-5) + * Output: %rax + * 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 %rdi,%rsi) + */ + +#if __XEN_INTERFACE_VERSION__ < 0x00030203 +/* + * Legacy hypercall interface: + * As above, except the entry sequence to the hypervisor is: + * mov $hypercall-number*32,%eax ; syscall + * Clobbered: %rcx, %r11, argument registers (as above) + */ +#define TRAP_INSTR "syscall" +#endif + +/* + * 64-bit segment selectors + * 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_RING3_CS32 0xe023 /* GDT index 260 */ +#define FLAT_RING3_CS64 0xe033 /* GDT index 261 */ +#define FLAT_RING3_DS32 0xe02b /* GDT index 262 */ +#define FLAT_RING3_DS64 0x0000 /* NULL selector */ +#define FLAT_RING3_SS32 0xe02b /* GDT index 262 */ +#define FLAT_RING3_SS64 0xe02b /* GDT index 262 */ + +#define FLAT_KERNEL_DS64 FLAT_RING3_DS64 +#define FLAT_KERNEL_DS32 FLAT_RING3_DS32 +#define FLAT_KERNEL_DS FLAT_KERNEL_DS64 +#define FLAT_KERNEL_CS64 FLAT_RING3_CS64 +#define FLAT_KERNEL_CS32 FLAT_RING3_CS32 +#define FLAT_KERNEL_CS FLAT_KERNEL_CS64 +#define FLAT_KERNEL_SS64 FLAT_RING3_SS64 +#define FLAT_KERNEL_SS32 FLAT_RING3_SS32 +#define FLAT_KERNEL_SS FLAT_KERNEL_SS64 + +#define FLAT_USER_DS64 FLAT_RING3_DS64 +#define FLAT_USER_DS32 FLAT_RING3_DS32 +#define FLAT_USER_DS FLAT_USER_DS64 +#define FLAT_USER_CS64 FLAT_RING3_CS64 +#define FLAT_USER_CS32 FLAT_RING3_CS32 +#define FLAT_USER_CS FLAT_USER_CS64 +#define FLAT_USER_SS64 FLAT_RING3_SS64 +#define FLAT_USER_SS32 FLAT_RING3_SS32 +#define FLAT_USER_SS FLAT_USER_SS64 + +#define __HYPERVISOR_VIRT_START 0xFFFF800000000000 +#define __HYPERVISOR_VIRT_END 0xFFFF880000000000 +#define __MACH2PHYS_VIRT_START 0xFFFF800000000000 +#define __MACH2PHYS_VIRT_END 0xFFFF804000000000 + +#ifndef HYPERVISOR_VIRT_START +#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) +#define HYPERVISOR_VIRT_END mk_unsigned_long(__HYPERVISOR_VIRT_END) +#endif + +#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) +#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END) +#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>3) +#ifndef machine_to_phys_mapping +#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START) +#endif + +#ifndef __ASSEMBLY__ + +/* + * int HYPERVISOR_set_segment_base(unsigned int which, unsigned long base) + * @which == SEGBASE_* ; @base == 64-bit base address + * Returns 0 on success. + */ +#define SEGBASE_FS 0 +#define SEGBASE_GS_USER 1 +#define SEGBASE_GS_KERNEL 2 +#define SEGBASE_GS_USER_SEL 3 /* Set user %gs specified in base[15:0] */ + +/* + * int HYPERVISOR_iret(void) + * All arguments are on the kernel stack, in the following format. + * Never returns if successful. Current kernel context is lost. + * The saved CS is mapped as follows: + * RING0 -> RING3 kernel mode. + * RING1 -> RING3 kernel mode. + * RING2 -> RING3 kernel mode. + * RING3 -> RING3 user mode. + * However RING0 indicates that the guest kernel should return to iteself + * directly with + * orb $3,1*8(%rsp) + * iretq + * If flags contains VGCF_in_syscall: + * Restore RAX, RIP, RFLAGS, RSP. + * Discard R11, RCX, CS, SS. + * Otherwise: + * Restore RAX, R11, RCX, CS:RIP, RFLAGS, SS:RSP. + * 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 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; + /* Bottom of iret stack frame. */ +}; + +#ifdef __GNUC__ +/* Anonymous union includes both 32- and 64-bit names (e.g., eax/rax). */ +#define __DECL_REG(name) union { uint64_t r ## name, e ## name; } +#else +/* Non-gcc sources must always use the proper 64-bit name (e.g., rax). */ +#define __DECL_REG(name) uint64_t r ## name +#endif + +struct cpu_user_regs { + uint64_t r15; + uint64_t r14; + uint64_t r13; + uint64_t r12; + __DECL_REG(bp); + __DECL_REG(bx); + uint64_t r11; + uint64_t r10; + uint64_t r9; + uint64_t r8; + __DECL_REG(ax); + __DECL_REG(cx); + __DECL_REG(dx); + __DECL_REG(si); + __DECL_REG(di); + uint32_t error_code; /* private */ + uint32_t entry_vector; /* private */ + __DECL_REG(ip); + uint16_t cs, _pad0[1]; + uint8_t saved_upcall_mask; + uint8_t _pad1[3]; + __DECL_REG(flags); /* rflags.IF == !saved_upcall_mask */ + __DECL_REG(sp); + uint16_t ss, _pad2[3]; + uint16_t es, _pad3[3]; + uint16_t ds, _pad4[3]; + uint16_t fs, _pad5[3]; /* Non-zero => takes precedence over fs_base. */ + uint16_t gs, _pad6[3]; /* Non-zero => takes precedence over gs_base_usr. */ +}; +typedef struct cpu_user_regs cpu_user_regs_t; +DEFINE_XEN_GUEST_HANDLE(cpu_user_regs_t); + +#undef __DECL_REG + +#define xen_pfn_to_cr3(pfn) ((unsigned long)(pfn) << 12) +#define xen_cr3_to_pfn(cr3) ((unsigned long)(cr3) >> 12) + +struct arch_vcpu_info { + unsigned long cr2; + unsigned long pad; /* sizeof(vcpu_info_t) == 64 */ +}; +typedef struct arch_vcpu_info arch_vcpu_info_t; + +typedef unsigned long xen_callback_t; + +#endif /* !__ASSEMBLY__ */ + +#endif /* __XEN_PUBLIC_ARCH_X86_XEN_X86_64_H__ */ + +/* + * Local variables: + * mode: C + * c-set-style: "BSD" + * c-basic-offset: 4 + * tab-width: 4 + * indent-tabs-mode: nil + * End: + */ diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/arch-x86/xen.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/xen/include/public/arch-x86/xen.h Thu Dec 21 16:20:11 2006 +0000 @@ -0,0 +1,190 @@ +/****************************************************************************** + * 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 + */ + +#ifndef __XEN_PUBLIC_ARCH_X86_XEN_H__ +#define __XEN_PUBLIC_ARCH_X86_XEN_H__ + +/* 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 + +#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) +#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name +#define set_xen_guest_handle(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 + +#ifndef __ASSEMBLY__ +/* Guest handles for primitive C types. */ +__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char); +__DEFINE_XEN_GUEST_HANDLE(uint, unsigned int); +__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long); +DEFINE_XEN_GUEST_HANDLE(char); +DEFINE_XEN_GUEST_HANDLE(int); +DEFINE_XEN_GUEST_HANDLE(long); +DEFINE_XEN_GUEST_HANDLE(void); + +typedef unsigned long xen_pfn_t; +DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); +#endif + +#if defined(__i386__) +#include "xen-x86_32.h" +#elif defined(__x86_64__) +#include "xen-x86_64.h" +#endif + +/* + * SEGMENT DESCRIPTOR TABLES + */ +/* + * 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. + */ +#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) + +/* Maximum number of virtual CPUs in multi-processor guests. */ +#define MAX_VIRT_CPUS 32 + +#ifndef __ASSEMBLY__ + +typedef unsigned long xen_ulong_t; + +/* + * Send an array of these to HYPERVISOR_set_trap_table(). + * 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. + */ +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) + 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) */ + 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; + unsigned long syscall_callback_eip; +#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__ */ + +/* + * 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-set-style: "BSD" + * c-basic-offset: 4 + * tab-width: 4 + * indent-tabs-mode: nil + * End: + */ diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/arch-x86_32.h --- a/xen/include/public/arch-x86_32.h Thu Dec 21 14:49:19 2006 +0000 +++ b/xen/include/public/arch-x86_32.h Thu Dec 21 16:20:11 2006 +0000 @@ -21,250 +21,7 @@ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * - * Copyright (c) 2004, K A Fraser + * Copyright (c) 2004-2006, K A Fraser */ -#ifndef __XEN_PUBLIC_ARCH_X86_32_H__ -#define __XEN_PUBLIC_ARCH_X86_32_H__ - -/* - * Hypercall interface: - * Input: %ebx, %ecx, %edx, %esi, %edi (arguments 1-5) - * 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) - */ - -#if __XEN_INTERFACE_VERSION__ < 0x00030203 -/* - * Legacy hypercall interface: - * As above, except the entry sequence to the hypervisor is: - * mov $hypercall-number*32,%eax ; int $0x82 - */ -#define TRAP_INSTR "int $0x82" -#endif - -/* 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 - -#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) -#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name -#define set_xen_guest_handle(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 - -#ifndef __ASSEMBLY__ -/* Guest handles for primitive C types. */ -__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char); -__DEFINE_XEN_GUEST_HANDLE(uint, unsigned int); -__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long); -DEFINE_XEN_GUEST_HANDLE(char); -DEFINE_XEN_GUEST_HANDLE(int); -DEFINE_XEN_GUEST_HANDLE(long); -DEFINE_XEN_GUEST_HANDLE(void); - -typedef unsigned long xen_pfn_t; -DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); -#endif - -/* - * SEGMENT DESCRIPTOR TABLES - */ -/* - * 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. - */ -#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) - -/* - * 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 - -/* - * Virtual addresses beyond this are not modifiable by guest OSes. The - * machine->physical mapping table starts at this address, read-only. - */ -#ifdef CONFIG_X86_PAE -#define __HYPERVISOR_VIRT_START 0xF5800000 -#define __MACH2PHYS_VIRT_START 0xF5800000 -#define __MACH2PHYS_VIRT_END 0xF6800000 -#else -#define __HYPERVISOR_VIRT_START 0xFC000000 -#define __MACH2PHYS_VIRT_START 0xFC000000 -#define __MACH2PHYS_VIRT_END 0xFC400000 -#endif - -#ifndef HYPERVISOR_VIRT_START -#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) -#endif - -#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) -#define MACH2PHYS_VIRT_END mk_unsigned_long(__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 - -/* Maximum number of virtual CPUs in multi-processor guests. */ -#define MAX_VIRT_CPUS 32 - -#ifndef __ASSEMBLY__ - -typedef unsigned long xen_ulong_t; - -/* - * Send an array of these to HYPERVISOR_set_trap_table() - */ -#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); - -struct cpu_user_regs { - uint32_t ebx; - uint32_t ecx; - uint32_t edx; - uint32_t esi; - uint32_t edi; - uint32_t ebp; - uint32_t eax; - uint16_t error_code; /* private */ - uint16_t entry_vector; /* private */ - uint32_t eip; - uint16_t cs; - uint8_t saved_upcall_mask; - uint8_t _pad0; - uint32_t eflags; /* eflags.IF == !saved_upcall_mask */ - uint32_t esp; - 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); - -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. - */ -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) - 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) */ - unsigned long ctrlreg[8]; /* CR0-CR7 (control registers) */ - unsigned long debugreg[8]; /* DB0-DB7 (debug registers) */ - 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; - unsigned long vm_assist; /* VMASST_TYPE_* bitmap */ -}; -typedef struct vcpu_guest_context vcpu_guest_context_t; -DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t); - -/* - * 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_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; - -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__ */ - -/* - * 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 - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ +#include "arch-x86/xen.h" diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/arch-x86_64.h --- a/xen/include/public/arch-x86_64.h Thu Dec 21 14:49:19 2006 +0000 +++ b/xen/include/public/arch-x86_64.h Thu Dec 21 16:20:11 2006 +0000 @@ -21,319 +21,7 @@ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * - * Copyright (c) 2004, K A Fraser + * Copyright (c) 2004-2006, K A Fraser */ -#ifndef __XEN_PUBLIC_ARCH_X86_64_H__ -#define __XEN_PUBLIC_ARCH_X86_64_H__ - -/* - * Hypercall interface: - * Input: %rdi, %rsi, %rdx, %r10, %r8 (arguments 1-5) - * Output: %rax - * 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 %rdi,%rsi) - */ - -#if __XEN_INTERFACE_VERSION__ < 0x00030203 -/* - * Legacy hypercall interface: - * As above, except the entry sequence to the hypervisor is: - * mov $hypercall-number*32,%eax ; syscall - * Clobbered: %rcx, %r11, argument registers (as above) - */ -#define TRAP_INSTR "syscall" -#endif - -/* 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 - -#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) -#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name -#define set_xen_guest_handle(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 - -#ifndef __ASSEMBLY__ -/* Guest handles for primitive C types. */ -__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char); -__DEFINE_XEN_GUEST_HANDLE(uint, unsigned int); -__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long); -DEFINE_XEN_GUEST_HANDLE(char); -DEFINE_XEN_GUEST_HANDLE(int); -DEFINE_XEN_GUEST_HANDLE(long); -DEFINE_XEN_GUEST_HANDLE(void); - -typedef unsigned long xen_pfn_t; -DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); -#endif - -/* - * SEGMENT DESCRIPTOR TABLES - */ -/* - * 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. - */ -#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) - -/* - * 64-bit segment selectors - * 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_RING3_CS32 0xe023 /* GDT index 260 */ -#define FLAT_RING3_CS64 0xe033 /* GDT index 261 */ -#define FLAT_RING3_DS32 0xe02b /* GDT index 262 */ -#define FLAT_RING3_DS64 0x0000 /* NULL selector */ -#define FLAT_RING3_SS32 0xe02b /* GDT index 262 */ -#define FLAT_RING3_SS64 0xe02b /* GDT index 262 */ - -#define FLAT_KERNEL_DS64 FLAT_RING3_DS64 -#define FLAT_KERNEL_DS32 FLAT_RING3_DS32 -#define FLAT_KERNEL_DS FLAT_KERNEL_DS64 -#define FLAT_KERNEL_CS64 FLAT_RING3_CS64 -#define FLAT_KERNEL_CS32 FLAT_RING3_CS32 -#define FLAT_KERNEL_CS FLAT_KERNEL_CS64 -#define FLAT_KERNEL_SS64 FLAT_RING3_SS64 -#define FLAT_KERNEL_SS32 FLAT_RING3_SS32 -#define FLAT_KERNEL_SS FLAT_KERNEL_SS64 - -#define FLAT_USER_DS64 FLAT_RING3_DS64 -#define FLAT_USER_DS32 FLAT_RING3_DS32 -#define FLAT_USER_DS FLAT_USER_DS64 -#define FLAT_USER_CS64 FLAT_RING3_CS64 -#define FLAT_USER_CS32 FLAT_RING3_CS32 -#define FLAT_USER_CS FLAT_USER_CS64 -#define FLAT_USER_SS64 FLAT_RING3_SS64 -#define FLAT_USER_SS32 FLAT_RING3_SS32 -#define FLAT_USER_SS FLAT_USER_SS64 - -#define __HYPERVISOR_VIRT_START 0xFFFF800000000000 -#define __HYPERVISOR_VIRT_END 0xFFFF880000000000 -#define __MACH2PHYS_VIRT_START 0xFFFF800000000000 -#define __MACH2PHYS_VIRT_END 0xFFFF804000000000 - -#ifndef HYPERVISOR_VIRT_START -#define HYPERVISOR_VIRT_START mk_unsigned_long(__HYPERVISOR_VIRT_START) -#define HYPERVISOR_VIRT_END mk_unsigned_long(__HYPERVISOR_VIRT_END) -#endif - -#define MACH2PHYS_VIRT_START mk_unsigned_long(__MACH2PHYS_VIRT_START) -#define MACH2PHYS_VIRT_END mk_unsigned_long(__MACH2PHYS_VIRT_END) -#define MACH2PHYS_NR_ENTRIES ((MACH2PHYS_VIRT_END-MACH2PHYS_VIRT_START)>>3) -#ifndef machine_to_phys_mapping -#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START) -#endif - -/* Maximum number of virtual CPUs in multi-processor guests. */ -#define MAX_VIRT_CPUS 32 - -#ifndef __ASSEMBLY__ - -typedef unsigned long xen_ulong_t; - -/* - * int HYPERVISOR_set_segment_base(unsigned int which, unsigned long base) - * @which == SEGBASE_* ; @base == 64-bit base address - * Returns 0 on success. - */ -#define SEGBASE_FS 0 -#define SEGBASE_GS_USER 1 -#define SEGBASE_GS_KERNEL 2 -#define SEGBASE_GS_USER_SEL 3 /* Set user %gs specified in base[15:0] */ - -/* - * int HYPERVISOR_iret(void) - * All arguments are on the kernel stack, in the following format. - * Never returns if successful. Current kernel context is lost. - * The saved CS is mapped as follows: - * RING0 -> RING3 kernel mode. - * RING1 -> RING3 kernel mode. - * RING2 -> RING3 kernel mode. - * RING3 -> RING3 user mode. - * However RING0 indicates that the guest kernel should return to iteself - * directly with - * orb $3,1*8(%rsp) - * iretq - * If flags contains VGCF_in_syscall: - * Restore RAX, RIP, RFLAGS, RSP. - * Discard R11, RCX, CS, SS. - * Otherwise: - * Restore RAX, R11, RCX, CS:RIP, RFLAGS, SS:RSP. - * 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 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; - /* Bottom of iret stack frame. */ -}; - -/* - * Send an array of these to HYPERVISOR_set_trap_table(). - * N.B. As in x86/32 mode, the privilege level specifies which modes may enter - * a trap via a software interrupt. 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); - -#ifdef __GNUC__ -/* Anonymous union includes both 32- and 64-bit names (e.g., eax/rax). */ -#define __DECL_REG(name) union { uint64_t r ## name, e ## name; } -#else -/* Non-gcc sources must always use the proper 64-bit name (e.g., rax). */ -#define __DECL_REG(name) uint64_t r ## name -#endif - -struct cpu_user_regs { - uint64_t r15; - uint64_t r14; - uint64_t r13; - uint64_t r12; - __DECL_REG(bp); - __DECL_REG(bx); - uint64_t r11; - uint64_t r10; - uint64_t r9; - uint64_t r8; - __DECL_REG(ax); - __DECL_REG(cx); - __DECL_REG(dx); - __DECL_REG(si); - __DECL_REG(di); - uint32_t error_code; /* private */ - uint32_t entry_vector; /* private */ - __DECL_REG(ip); - uint16_t cs, _pad0[1]; - uint8_t saved_upcall_mask; - uint8_t _pad1[3]; - __DECL_REG(flags); /* rflags.IF == !saved_upcall_mask */ - __DECL_REG(sp); - uint16_t ss, _pad2[3]; - uint16_t es, _pad3[3]; - uint16_t ds, _pad4[3]; - uint16_t fs, _pad5[3]; /* Non-zero => takes precedence over fs_base. */ - uint16_t gs, _pad6[3]; /* Non-zero => takes precedence over gs_base_usr. */ -}; -typedef struct cpu_user_regs cpu_user_regs_t; -DEFINE_XEN_GUEST_HANDLE(cpu_user_regs_t); - -#undef __DECL_REG - -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. - */ -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) - 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) */ - unsigned long ctrlreg[8]; /* CR0-CR7 (control registers) */ - unsigned long debugreg[8]; /* DB0-DB7 (debug registers) */ - unsigned long event_callback_eip; - unsigned long failsafe_callback_eip; - unsigned long syscall_callback_eip; - unsigned long vm_assist; /* VMASST_TYPE_* bitmap */ - /* Segment base addresses. */ - uint64_t fs_base; - uint64_t gs_base_kernel; - uint64_t gs_base_user; -}; -typedef struct vcpu_guest_context vcpu_guest_context_t; -DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t); - -#define xen_pfn_to_cr3(pfn) ((unsigned long)(pfn) << 12) -#define xen_cr3_to_pfn(cr3) ((unsigned long)(cr3) >> 12) - -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; - -struct arch_vcpu_info { - unsigned long cr2; - unsigned long pad; /* sizeof(vcpu_info_t) == 64 */ -}; -typedef struct arch_vcpu_info arch_vcpu_info_t; - -typedef unsigned long xen_callback_t; - -#endif /* !__ASSEMBLY__ */ - -/* - * 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 - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ +#include "arch-x86/xen.h" diff -r 8348f40ba2b7 -r 71c40c3f92f7 xen/include/public/xen.h --- a/xen/include/public/xen.h Thu Dec 21 14:49:19 2006 +0000 +++ b/xen/include/public/xen.h Thu Dec 21 16:20:11 2006 +0000 @@ -29,10 +29,8 @@ #include "xen-compat.h" -#if defined(__i386__) -#include "arch-x86_32.h" -#elif defined(__x86_64__) -#include "arch-x86_64.h" +#if defined(__i386__) || defined(__x86_64__) +#include "arch-x86/xen.h" #elif defined(__ia64__) #include "arch-ia64.h" #elif defined(__powerpc__) _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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