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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/SLOF/clients/net-snk/app/biosemu/biosemu.h | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/SLOF/clients/net-snk/app/biosemu/biosemu.h')
-rw-r--r-- | roms/SLOF/clients/net-snk/app/biosemu/biosemu.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/SLOF/clients/net-snk/app/biosemu/biosemu.h b/roms/SLOF/clients/net-snk/app/biosemu/biosemu.h new file mode 100644 index 00000000..28b7ab88 --- /dev/null +++ b/roms/SLOF/clients/net-snk/app/biosemu/biosemu.h @@ -0,0 +1,42 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#ifndef _BIOSEMU_BIOSEMU_H_ +#define _BIOSEMU_BIOSEMU_H_ + +#define MIN_REQUIRED_VMEM_SIZE 0x100000 // 1MB + +//define default segments for different components +#define STACK_SEGMENT 0x1000 //1000:xxxx +#define STACK_START_OFFSET 0xfffe + +#define DATA_SEGMENT 0x2000 +#define VBE_SEGMENT 0x3000 + +#define PMM_CONV_SEGMENT 0x4000 // 4000:xxxx is PMM conventional memory area, extended memory area + // will be anything beyound MIN_REQUIRED_MEMORY_SIZE +#define PNP_DATA_SEGMENT 0x5000 + +#define OPTION_ROM_CODE_SEGMENT 0xc000 + +#define BIOS_DATA_SEGMENT 0xF000 +// both EBDA values are _initial_ values, they may (and will be) changed at runtime by option ROMs!! +#define INITIAL_EBDA_SEGMENT 0xF600 // segment of the Extended BIOS Data Area +#define INITIAL_EBDA_SIZE 0x400 // size of the EBDA (at least 1KB!! since size is stored in KB!) + +#define PMM_INT_NUM 0xFC // we misuse INT FC for PMM functionality, at the PMM Entry Point + // Address, there will only be a call to this INT and a RETF +#define PNP_INT_NUM 0xFD + +uint32_t biosemu(char argc, char **argv); + +#endif |