diff options
Diffstat (limited to 'newlib/libc/sys/go32/go32.h')
| -rw-r--r-- | newlib/libc/sys/go32/go32.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/newlib/libc/sys/go32/go32.h b/newlib/libc/sys/go32/go32.h new file mode 100644 index 00000000000..32afc0ebe35 --- /dev/null +++ b/newlib/libc/sys/go32/go32.h @@ -0,0 +1,70 @@ +/* This is file go32.h */ +/* +** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 +** +** This file is distributed under the terms listed in the document +** "copying.dj", available from DJ Delorie at the address above. +** A copy of "copying.dj" should accompany this file; if not, a copy +** should be available from where this file was obtained. This file +** may not be distributed without a verbatim copy of "copying.dj". +** +** This file is distributed WITHOUT ANY WARRANTY; without even the implied +** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +*/ + +#ifndef _GO32_H_ +#define _GO32_H_ + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* This must match go32/proginfo.h */ + +typedef struct { + u_long size_of_this_structure_in_bytes; + u_long linear_address_of_primary_screen; + u_long linear_address_of_secondary_screen; + u_long linear_address_of_transfer_buffer; + u_long size_of_transfer_buffer; /* >= 4k */ + u_long pid; + u_char master_interrupt_controller_base; + u_char slave_interrupt_controller_base; + u_short selector_for_linear_memory; + u_long linear_address_of_stub_info_structure; + u_long linear_address_of_original_psp; + u_short run_mode; + u_short run_mode_info; +} Go32_Info_Block; + +extern Go32_Info_Block _go32_info_block; + +#define _GO32_RUN_MODE_UNDEF 0 +#define _GO32_RUN_MODE_RAW 1 +#define _GO32_RUN_MODE_XMS 2 +#define _GO32_RUN_MODE_VCPI 3 +#define _GO32_RUN_MODE_DPMI 4 + +void dosmemget(int offset, int length, void *buffer); +void dosmemput(const void *buffer, int length, int offset); +void movedata(unsigned source_selector, unsigned source_offset, + unsigned dest_selector, unsigned dest_offset, + size_t length); + +/* returns number of times hit since last call. (zero first time) */ +u_long _go32_was_ctrl_break_hit(); +void _go32_want_ctrl_break(int yes); /* auto-yes if call above function */ + +u_short _go32_my_cs(); +u_short _go32_my_ds(); +u_short _go32_my_ss(); +u_short _go32_conventional_mem_selector(); + +#ifdef __cplusplus +} +#endif + +#endif + |