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hw_x86_64_muen: Add initial pagetables file

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The initial pagetables for hw_x86_64_muen specify an identity mapping
from 2MiB to 1GiB plus mappings for the paravirt pages (sinfo, timer,
...).
This commit is contained in:
Reto Buerki 2015-04-23 13:12:05 +02:00 committed by Stefan Kalkowski
parent c434a5ceec
commit 4a51f933ce
2 changed files with 53 additions and 1 deletions
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2
repos/base-hw/lib/mk/x86_64_muen/core.mk
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@ -13,7 +13,7 @@ INC_DIR += $(REP_DIR)/src/core/include/spec/x86
# add assembly sources
SRC_S += spec/x86_64/mode_transition.s
SRC_S += spec/x86_64/kernel/crt0.s
SRC_S += spec/x86_64/kernel/crt0_translation_table.s
SRC_S += spec/x86_64_muen/kernel/crt0_translation_table.s
SRC_S += spec/x86_64/crt0.s
# add C++ sources

52
repos/base-hw/src/core/spec/x86_64_muen/kernel/crt0_translation_table.s Normal file
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@ -0,0 +1,52 @@
/*
* \brief Initial pagetables for x86_64_muen
* \author Adrian-Ken Rueegsegger
* \author Reto Buerki
* \date 2015-04-22
*/
/*
* Copyright (C) 2015 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
.include "macros.s"
.data
/*****************************************
** Identity mapping from 2MiB to 1GiB **
** plus mappings for Muen pvirt pages **
*****************************************/
/* PML4 */
.p2align MIN_PAGE_SIZE_LOG2
.global _kernel_pml4
_kernel_pml4:
.quad _kernel_pdp + 0xf
.fill 511, 8, 0x0
/* PDP */
.p2align MIN_PAGE_SIZE_LOG2
_kernel_pdp:
.quad _kernel_pd + 0xf
.fill 55, 8, 0x0
.quad _kernel_pd_pvirt + 0xf
.fill 455, 8, 0x0
/* PD */
.p2align MIN_PAGE_SIZE_LOG2
_kernel_pd:
.quad 0
.set entry, 0x20018f
.rept 511
.quad entry
.set entry, entry + 0x200000
.endr
.p2align MIN_PAGE_SIZE_LOG2
_kernel_pd_pvirt:
.quad 0xe0000018f
.fill 511, 8, 0x0