jehanne/sys/src/kern/amd64/vga.h

44 lines
1.3 KiB
C

/*
* This file is part of Jehanne.
*
* Copyright (C) 2016 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* Jehanne is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
typedef struct VGAreg VGAreg;
struct VGAreg
{
uint32_t di; /* general registers */
uint32_t si; /* ... */
uint32_t bp; /* ... */
uint32_t nsp;
uint32_t bx; /* ... */
uint32_t dx; /* ... */
uint32_t cx; /* ... */
uint32_t ax; /* ... */
uint32_t gs; /* data segments */
uint32_t fs; /* ... */
uint32_t es; /* ... */
uint32_t ds; /* ... */
uint32_t trap; /* trap type */
uint32_t ecode; /* error code (or zero) */
uint32_t pc; /* pc */
uint32_t cs; /* old context */
uint32_t flags; /* old flags */
union {
uint32_t usp;
uint32_t sp;
};
uint32_t ss; /* old stack segment */
};