cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

target_syscall.h (3878B)

      1#ifndef I386_TARGET_SYSCALL_H
      2#define I386_TARGET_SYSCALL_H
      3
      4/* default linux values for the selectors */
      5#define __USER_CS	(0x23)
      6#define __USER_DS	(0x2B)
      7
      8struct target_pt_regs {
      9	long ebx;
     10	long ecx;
     11	long edx;
     12	long esi;
     13	long edi;
     14	long ebp;
     15	long eax;
     16	int  xds;
     17	int  xes;
     18	long orig_eax;
     19	long eip;
     20	int  xcs;
     21	long eflags;
     22	long esp;
     23	int  xss;
     24};
     25
     26/* ioctls */
     27
     28#define TARGET_LDT_ENTRIES      8192
     29#define TARGET_LDT_ENTRY_SIZE	8
     30
     31#define TARGET_GDT_ENTRIES             9
     32#define TARGET_GDT_ENTRY_TLS_ENTRIES   3
     33#define TARGET_GDT_ENTRY_TLS_MIN       6
     34#define TARGET_GDT_ENTRY_TLS_MAX       (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)
     35
     36struct target_modify_ldt_ldt_s {
     37    unsigned int  entry_number;
     38    abi_ulong base_addr;
     39    unsigned int limit;
     40    unsigned int flags;
     41};
     42
     43/* vm86 defines */
     44
     45#define TARGET_BIOSSEG		0x0f000
     46
     47#define TARGET_CPU_086		0
     48#define TARGET_CPU_186		1
     49#define TARGET_CPU_286		2
     50#define TARGET_CPU_386		3
     51#define TARGET_CPU_486		4
     52#define TARGET_CPU_586		5
     53
     54#define TARGET_VM86_SIGNAL	0	/* return due to signal */
     55#define TARGET_VM86_UNKNOWN	1	/* unhandled GP fault - IO-instruction or similar */
     56#define TARGET_VM86_INTx	2	/* int3/int x instruction (ARG = x) */
     57#define TARGET_VM86_STI	3	/* sti/popf/iret instruction enabled virtual interrupts */
     58
     59/*
     60 * Additional return values when invoking new vm86()
     61 */
     62#define TARGET_VM86_PICRETURN	4	/* return due to pending PIC request */
     63#define TARGET_VM86_TRAP	6	/* return due to DOS-debugger request */
     64
     65/*
     66 * function codes when invoking new vm86()
     67 */
     68#define TARGET_VM86_PLUS_INSTALL_CHECK	0
     69#define TARGET_VM86_ENTER		1
     70#define TARGET_VM86_ENTER_NO_BYPASS	2
     71#define	TARGET_VM86_REQUEST_IRQ	3
     72#define TARGET_VM86_FREE_IRQ		4
     73#define TARGET_VM86_GET_IRQ_BITS	5
     74#define TARGET_VM86_GET_AND_RESET_IRQ	6
     75
     76/*
     77 * This is the stack-layout seen by the user space program when we have
     78 * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
     79 * is 'kernel_vm86_regs' (see below).
     80 */
     81
     82struct target_vm86_regs {
     83/*
     84 * normal regs, with special meaning for the segment descriptors..
     85 */
     86	abi_long ebx;
     87	abi_long ecx;
     88	abi_long edx;
     89	abi_long esi;
     90	abi_long edi;
     91	abi_long ebp;
     92	abi_long eax;
     93	abi_long __null_ds;
     94	abi_long __null_es;
     95	abi_long __null_fs;
     96	abi_long __null_gs;
     97	abi_long orig_eax;
     98	abi_long eip;
     99	unsigned short cs, __csh;
    100	abi_long eflags;
    101	abi_long esp;
    102	unsigned short ss, __ssh;
    103/*
    104 * these are specific to v86 mode:
    105 */
    106	unsigned short es, __esh;
    107	unsigned short ds, __dsh;
    108	unsigned short fs, __fsh;
    109	unsigned short gs, __gsh;
    110};
    111
    112struct target_revectored_struct {
    113	abi_ulong __map[8];			/* 256 bits */
    114};
    115
    116struct target_vm86_struct {
    117	struct target_vm86_regs regs;
    118	abi_ulong flags;
    119	abi_ulong screen_bitmap;
    120	abi_ulong cpu_type;
    121	struct target_revectored_struct int_revectored;
    122	struct target_revectored_struct int21_revectored;
    123};
    124
    125/*
    126 * flags masks
    127 */
    128#define TARGET_VM86_SCREEN_BITMAP	0x0001
    129
    130struct target_vm86plus_info_struct {
    131        abi_ulong flags;
    132#define TARGET_force_return_for_pic (1 << 0)
    133#define TARGET_vm86dbg_active       (1 << 1)  /* for debugger */
    134#define TARGET_vm86dbg_TFpendig     (1 << 2)  /* for debugger */
    135#define TARGET_is_vm86pus           (1 << 31) /* for vm86 internal use */
    136	unsigned char vm86dbg_intxxtab[32];   /* for debugger */
    137};
    138
    139struct target_vm86plus_struct {
    140	struct target_vm86_regs regs;
    141	abi_ulong flags;
    142	abi_ulong screen_bitmap;
    143	abi_ulong cpu_type;
    144	struct target_revectored_struct int_revectored;
    145	struct target_revectored_struct int21_revectored;
    146	struct target_vm86plus_info_struct vm86plus;
    147};
    148
    149#define UNAME_MACHINE "i686"
    150#define UNAME_MINIMUM_RELEASE "2.6.32"
    151
    152#define TARGET_CLONE_BACKWARDS
    153#define TARGET_MINSIGSTKSZ 2048
    154#define TARGET_MCL_CURRENT 1
    155#define TARGET_MCL_FUTURE  2
    156#define TARGET_MCL_ONFAULT 4
    157#define TARGET_WANT_OLD_SYS_SELECT
    158
    159#endif /* I386_TARGET_SYSCALL_H */