jehanne/arch/amd64/include/ureg.h

43 lines
1.1 KiB
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
struct Ureg {
uint64_t ax;
uint64_t bx;
uint64_t cx;
uint64_t dx;
uint64_t si;
uint64_t di;
uint64_t bp;
uint64_t r8;
uint64_t r9;
uint64_t r10;
uint64_t r11;
uint64_t r12;
uint64_t r13;
uint64_t r14;
uint64_t r15;
// these are pointless and I don't want to waste a second on them.
// I'm sure it will break something but let's see.
// Not pushing them simplifies the interrupt handler a lot.
// uint16_t ds;
// uint16_t es;
// uint16_t fs;
// uint16_t gs;
uint64_t type;
uint64_t error; /* error code (or zero) */
uint64_t ip; /* pc */
uint64_t cs; /* old context */
uint64_t flags; /* old flags */
uint64_t sp; /* sp */
uint64_t ss; /* old stack segment */
};