registers.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef __ARCH_REGISTERS_H
#define __ARCH_REGISTERS_H
 
#if !defined(__ASSEMBLER__)
#include <stdint.h>
 
#define LONG_DOWNTO8(A) \
        union { \
                struct { \
                        union { \
                                struct { \
                                        uint8_t A##l; \
                                        uint8_t A##h; \
                                } __packed; \
                                uint16_t A##x; \
                        } __packed; \
                        uint16_t h##A##x; \
                } __packed; \
                uint32_t e##A##x; \
        } __packed;
 
#define LONG_DOWNTO16(A) \
        union { \
                struct { \
                        uint16_t A; \
                        uint16_t h##A; \
                } __packed; \
                uint32_t e##A; \
        } __packed;
 
#define QUAD_DOWNTO8(A) \
        union { \
                LONG_DOWNTO8(A) \
                uint64_t r##A##x; \
        } __packed
 
#define QUAD_DOWNTO16(A) \
        union {\
                LONG_DOWNTO16(A) \
                uint64_t r##A; \
        } __packed
 
#if ENV_X86_64
struct eregs {
        QUAD_DOWNTO8(a);
        QUAD_DOWNTO8(c);
        QUAD_DOWNTO8(d);
        QUAD_DOWNTO8(b);
        QUAD_DOWNTO16(bp);
        QUAD_DOWNTO16(si);
        QUAD_DOWNTO16(di);
        uint64_t r8;
        uint64_t r9;
        uint64_t r10;
        uint64_t r11;
        uint64_t r12;
        uint64_t r13;
        uint64_t r14;
        uint64_t r15;
        uint64_t vector;
        uint64_t error_code;
        uint64_t rip;
        uint64_t cs;
        uint64_t rflags;
        QUAD_DOWNTO16(sp);
        uint64_t ss;
};
#else
struct eregs {
        LONG_DOWNTO8(a);
        LONG_DOWNTO8(c);
        LONG_DOWNTO8(d);
        LONG_DOWNTO8(b);
        LONG_DOWNTO16(sp);
        LONG_DOWNTO16(bp);
        LONG_DOWNTO16(si);
        LONG_DOWNTO16(di);
        uint32_t vector;
        uint32_t error_code;
        uint32_t eip;
        uint32_t cs;
        uint32_t eflags;
};
#endif
#endif // !ASSEMBLER
 
#if CONFIG(COMPILER_LLVM_CLANG)
#define ADDR32(opcode) opcode
#else
#define ADDR32(opcode) addr32 opcode
#endif
 
#endif