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zipl: move loaders layout definitions into separate header

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Move the loaders (stage2/stage3) layout values to
`include/boot/loaders_layout.h` and use the `_AC` macro for the
constants. This allows the reuse of the definitions, e.g. in assembler
files, and later for the creation of linker scripts.

Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Marc Hartmayer
2019-12-02 14:39:44 +01:00
committed by Jan Höppner
parent c07104dbc7
commit 97ab8fb4e9
2 changed files with 33 additions and 13 deletions
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32
include/boot/loaders_layout.h Normal file
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@@ -0,0 +1,32 @@
/*
* zipl stage2/stage3 layout definitions
*
* Copyright IBM Corp. 2020
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*
*/
#ifndef LOADERS_LAYOUT_H
#define LOADERS_LAYOUT_H
#include "lib/zt_common.h"
#include "linux_layout.h"
#define STAGE3_ENTRY _AC(0xa000, UL)
#define STAGE2_LOAD_ADDRESS _AC(0x2000, UL)
#define STAGE3_LOAD_ADDRESS STAGE3_ENTRY
#define IMAGE_LOAD_ADDRESS IMAGE_ENTRY
#define STAGE3_HEAP_SIZE _AC(0x4000, UL)
#define STAGE3_HEAP_ADDRESS _AC(0x2000, UL)
#define STAGE3_STACK_SIZE _AC(0x1000, UL)
#define STAGE3_STACK_ADDRESS _AC(0xF000, UL)
#define STAGE3_PARAMS_ADDRESS _AC(0x9000, UL)
#ifndef __ASSEMBLER__
#endif /* __ASSEMBLER__ */
#endif /* LOADERS_LAYOUT_H */