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/* ----------------------------------------------------------------------- *
*
* Copyright 2001-2009 H. Peter Anvin - All Rights Reserved
* Copyright 2009 Intel Corporation; author: H. Peter Anvin
*
* This program 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, Inc., 53 Temple Place Ste 330,
* Boston MA 02111-1307, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#include <stdint.h>
/* Addresses in the zero page */
#define BIOS_INT13 (0x13*4) /* INT 13h vector */
#define BIOS_INT15 (0x15*4) /* INT 15h vector */
#define BIOS_INT1E (0x1E*4) /* INT 1Eh vector */
#define BIOS_INT40 (0x40*4) /* INT 13h vector */
#define BIOS_INT41 (0x41*4) /* INT 41h vector */
#define BIOS_INT46 (0x46*4) /* INT 46h vector */
#define BIOS_BASEMEM 0x413 /* Amount of DOS memory */
#define BIOS_EQUIP 0x410 /* BIOS equipment list */
#define BIOS_HD_COUNT 0x475 /* Number of hard drives present */
/* Access to objects in the zero page */
static inline void wrz_8(uint32_t addr, uint8_t data)
{
*((uint8_t *) addr) = data;
}
static inline void wrz_16(uint32_t addr, uint16_t data)
{
*((uint16_t *) addr) = data;
}
static inline void wrz_32(uint32_t addr, uint32_t data)
{
*((uint32_t *) addr) = data;
}
static inline uint8_t rdz_8(uint32_t addr)
{
return *((uint8_t *) addr);
}
static inline uint16_t rdz_16(uint32_t addr)
{
return *((uint16_t *) addr);
}
static inline uint32_t rdz_32(uint32_t addr)
{
return *((uint32_t *) addr);
}
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