x86-tss.h

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#ifndef XTF_X86_TSS_H
#define XTF_X86_TSS_H
 
#include <xtf/types.h>
#include <xtf/compiler.h>
 
struct __packed x86_tss32 {
    uint16_t link; uint16_t :16;
 
    uint32_t esp0;
    uint16_t ss0; uint16_t :16;
 
    uint32_t esp1;
    uint16_t ss1; uint16_t :16;
 
    uint32_t esp2;
    uint16_t ss2; uint16_t :16;
 
    uint32_t cr3;
    uint32_t eip;
    uint32_t eflags;
    uint32_t eax;
    uint32_t ecx;
    uint32_t edx;
    uint32_t ebx;
    uint32_t esp;
    uint32_t ebp;
    uint32_t esi;
    uint32_t edi;
 
    uint16_t es; uint16_t :16;
    uint16_t cs; uint16_t :16;
    uint16_t ss; uint16_t :16;
    uint16_t ds; uint16_t :16;
    uint16_t fs; uint16_t :16;
    uint16_t gs; uint16_t :16;
    uint16_t ldtr; uint16_t :16;
 
    uint16_t trace:1, :15;
    uint16_t iopb;
};
 
struct __packed x86_tss64 {
    uint32_t :32;
 
    uint64_t rsp0;
    uint64_t rsp1;
    uint64_t rsp2;
 
    uint64_t :64;
 
    uint64_t ist[7]; /* 1-based structure */
 
    uint64_t :64;
 
    uint16_t trace:1, :15;
    uint16_t iopb;
};
 
#define X86_TSS_INVALID_IO_BITMAP 0x8000
 
void dump_x86_tss32(const struct x86_tss32 *t);
void dump_x86_tss64(const struct x86_tss64 *t);
 
#if defined(__x86_64__)
 
typedef struct x86_tss64 env_tss;
 
static inline void dump_env_tss(const env_tss *t)
{
    dump_x86_tss64(t);
}
 
#elif defined(__i386__)
 
typedef struct x86_tss32 env_tss;
 
static inline void dump_env_tss(const env_tss *t)
{
    dump_x86_tss32(t);
}
 
#else
# error Bad architecture for TSS infrastructure
#endif
 
#endif /* XTF_X86_TSS_H */
 
/*
 * Local variables:
 * mode: C
 * c-file-style: "BSD"
 * c-basic-offset: 4
 * tab-width: 4
 * indent-tabs-mode: nil
 * End:
 */