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author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/SLOF/clients/net-snk/app/biosemu/biosemu.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
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 000000000..28b7ab881 --- /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 |