f9d0707182
TARGET_MINSIGSTKSZ has been defined in generic/signal.h or target_signal.h, We don't need to define it again. Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1637893388-10282-3-git-send-email-gaosong@loongson.cn> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
159 lines
3.8 KiB
C
159 lines
3.8 KiB
C
#ifndef I386_TARGET_SYSCALL_H
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#define I386_TARGET_SYSCALL_H
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/* default linux values for the selectors */
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#define __USER_CS (0x23)
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#define __USER_DS (0x2B)
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struct target_pt_regs {
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long ebx;
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long ecx;
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long edx;
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long esi;
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long edi;
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long ebp;
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long eax;
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int xds;
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int xes;
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long orig_eax;
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long eip;
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int xcs;
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long eflags;
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long esp;
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int xss;
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};
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/* ioctls */
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#define TARGET_LDT_ENTRIES 8192
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#define TARGET_LDT_ENTRY_SIZE 8
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#define TARGET_GDT_ENTRIES 9
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#define TARGET_GDT_ENTRY_TLS_ENTRIES 3
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#define TARGET_GDT_ENTRY_TLS_MIN 6
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#define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1)
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struct target_modify_ldt_ldt_s {
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unsigned int entry_number;
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abi_ulong base_addr;
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unsigned int limit;
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unsigned int flags;
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};
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/* vm86 defines */
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#define TARGET_BIOSSEG 0x0f000
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#define TARGET_CPU_086 0
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#define TARGET_CPU_186 1
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#define TARGET_CPU_286 2
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#define TARGET_CPU_386 3
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#define TARGET_CPU_486 4
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#define TARGET_CPU_586 5
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#define TARGET_VM86_SIGNAL 0 /* return due to signal */
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#define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */
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#define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */
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#define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */
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/*
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* Additional return values when invoking new vm86()
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*/
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#define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */
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#define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */
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/*
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* function codes when invoking new vm86()
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*/
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#define TARGET_VM86_PLUS_INSTALL_CHECK 0
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#define TARGET_VM86_ENTER 1
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#define TARGET_VM86_ENTER_NO_BYPASS 2
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#define TARGET_VM86_REQUEST_IRQ 3
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#define TARGET_VM86_FREE_IRQ 4
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#define TARGET_VM86_GET_IRQ_BITS 5
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#define TARGET_VM86_GET_AND_RESET_IRQ 6
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/*
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* This is the stack-layout seen by the user space program when we have
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* done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout
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* is 'kernel_vm86_regs' (see below).
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*/
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struct target_vm86_regs {
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/*
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* normal regs, with special meaning for the segment descriptors..
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*/
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abi_long ebx;
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abi_long ecx;
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abi_long edx;
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abi_long esi;
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abi_long edi;
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abi_long ebp;
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abi_long eax;
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abi_long __null_ds;
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abi_long __null_es;
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abi_long __null_fs;
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abi_long __null_gs;
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abi_long orig_eax;
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abi_long eip;
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unsigned short cs, __csh;
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abi_long eflags;
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abi_long esp;
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unsigned short ss, __ssh;
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/*
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* these are specific to v86 mode:
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*/
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unsigned short es, __esh;
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unsigned short ds, __dsh;
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unsigned short fs, __fsh;
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unsigned short gs, __gsh;
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};
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struct target_revectored_struct {
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abi_ulong __map[8]; /* 256 bits */
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};
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struct target_vm86_struct {
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struct target_vm86_regs regs;
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abi_ulong flags;
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abi_ulong screen_bitmap;
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abi_ulong cpu_type;
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struct target_revectored_struct int_revectored;
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struct target_revectored_struct int21_revectored;
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};
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/*
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* flags masks
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*/
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#define TARGET_VM86_SCREEN_BITMAP 0x0001
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struct target_vm86plus_info_struct {
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abi_ulong flags;
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#define TARGET_force_return_for_pic (1 << 0)
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#define TARGET_vm86dbg_active (1 << 1) /* for debugger */
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#define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */
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#define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */
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unsigned char vm86dbg_intxxtab[32]; /* for debugger */
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};
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struct target_vm86plus_struct {
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struct target_vm86_regs regs;
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abi_ulong flags;
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abi_ulong screen_bitmap;
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abi_ulong cpu_type;
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struct target_revectored_struct int_revectored;
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struct target_revectored_struct int21_revectored;
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struct target_vm86plus_info_struct vm86plus;
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};
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#define UNAME_MACHINE "i686"
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#define UNAME_MINIMUM_RELEASE "2.6.32"
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#define TARGET_CLONE_BACKWARDS
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#define TARGET_MCL_CURRENT 1
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#define TARGET_MCL_FUTURE 2
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#define TARGET_MCL_ONFAULT 4
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#define TARGET_WANT_OLD_SYS_SELECT
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#endif /* I386_TARGET_SYSCALL_H */
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