diff options
Diffstat (limited to 'libgloss/m68k/atari/atari-gem_basepage.h')
| -rw-r--r-- | libgloss/m68k/atari/atari-gem_basepage.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libgloss/m68k/atari/atari-gem_basepage.h b/libgloss/m68k/atari/atari-gem_basepage.h new file mode 100644 index 0000000..461c3ce --- /dev/null +++ b/libgloss/m68k/atari/atari-gem_basepage.h @@ -0,0 +1,58 @@ +/* + Copyright (C) 2025 Mikael Hildenborg + SPDX-License-Identifier: BSD-2-Clause +*/ + +#ifndef GEM_BASEPAGE_H +#define GEM_BASEPAGE_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + This is the process base page data, containing information about the executable. +*/ + +#define FA_READONLY 0x01 // Read-only flag +#define FA_HIDDEN 0x02 // Hidden file flag +#define FA_SYSTEM 0x04 // System file flag +#define FA_VOLUME 0x08 // Volume label flag +#define FA_DIR 0x10 // Subdirectory +#define FA_ARCHIVE 0x20 // Archive flag + +struct DTA +{ + unsigned char d_reserved[21]; + unsigned char d_attrib; + unsigned short d_time; + unsigned short d_date; + unsigned int d_length; + char d_fname[14]; +}; + +struct BasePage +{ + unsigned char* p_lowtpa; // This LONG contains a pointer to the Transient Program Area (TPA). + unsigned char* p_hitpa; // This LONG contains a pointer to the top of the TPA + 1. + unsigned char* p_tbase; // This LONG contains a pointer to the base of the text segment + unsigned int p_tlen; // This LONG contains the length of the text segment. + unsigned char* p_dbase; // This LONG contains a pointer to the base of the data segment. + unsigned int p_dlen; // This LONG contains the length of the data segment. + unsigned char* p_bbase; // This LONG contains a pointer to the base of the BSS segment. + unsigned int p_blen; // This LONG contains the length of the BSS segment. + struct DTA* p_dta; // This LONG contains a pointer to the processes’ DTA. + struct BasePage* p_parent; // This LONG contains a pointer to the processes’ parent’s basepage. + unsigned int p_reserved; // This LONG is currently unused and is reserved. + char* p_env; // This LONG contains a pointer to the processes’ environment string. + unsigned char p_undef[80]; // This area contains 80 unused, reserved bytes. + char p_cmdlin[128]; // This area contains a copy of the 128 byte command line string. +}; + +extern struct BasePage* _BasePage; + +#ifdef __cplusplus +} +#endif + +#endif // GEM_BASEPAGE_H |