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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_EXTABLE_FIXUP_TYPES_H
#define _ASM_X86_EXTABLE_FIXUP_TYPES_H
/*
* Our IMM is signed, as such it must live at the top end of the word. Also,
* since C99 hex constants are of ambigious type, force cast the mask to 'int'
* so that FIELD_GET() will DTRT and sign extend the value when it extracts it.
*/
#define EX_DATA_TYPE_MASK ((int)0x000000FF)
#define EX_DATA_REG_MASK ((int)0x00000F00)
#define EX_DATA_FLAG_MASK ((int)0x0000F000)
#define EX_DATA_IMM_MASK ((int)0xFFFF0000)
#define EX_DATA_REG_SHIFT 8
#define EX_DATA_FLAG_SHIFT 12
#define EX_DATA_IMM_SHIFT 16
#define EX_DATA_REG(reg) ((reg) << EX_DATA_REG_SHIFT)
#define EX_DATA_FLAG(flag) ((flag) << EX_DATA_FLAG_SHIFT)
#define EX_DATA_IMM(imm) ((imm) << EX_DATA_IMM_SHIFT)
/* segment regs */
#define EX_REG_DS EX_DATA_REG(8)
#define EX_REG_ES EX_DATA_REG(9)
#define EX_REG_FS EX_DATA_REG(10)
#define EX_REG_GS EX_DATA_REG(11)
/* flags */
#define EX_FLAG_CLEAR_AX EX_DATA_FLAG(1)
#define EX_FLAG_CLEAR_DX EX_DATA_FLAG(2)
#define EX_FLAG_CLEAR_AX_DX EX_DATA_FLAG(3)
/* types */
#define EX_TYPE_NONE 0
#define EX_TYPE_DEFAULT 1
#define EX_TYPE_FAULT 2
#define EX_TYPE_UACCESS 3
#define EX_TYPE_COPY 4
#define EX_TYPE_CLEAR_FS 5
#define EX_TYPE_FPU_RESTORE 6
#define EX_TYPE_BPF 7
#define EX_TYPE_WRMSR 8
#define EX_TYPE_RDMSR 9
#define EX_TYPE_WRMSR_SAFE 10 /* reg := -EIO */
#define EX_TYPE_RDMSR_SAFE 11 /* reg := -EIO */
#define EX_TYPE_WRMSR_IN_MCE 12
#define EX_TYPE_RDMSR_IN_MCE 13
#define EX_TYPE_DEFAULT_MCE_SAFE 14
#define EX_TYPE_FAULT_MCE_SAFE 15
#define EX_TYPE_POP_REG 16 /* sp += sizeof(long) */
#define EX_TYPE_POP_ZERO (EX_TYPE_POP_REG | EX_DATA_IMM(0))
#define EX_TYPE_IMM_REG 17 /* reg := (long)imm */
#define EX_TYPE_EFAULT_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(-EFAULT))
#endif
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