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core: add information about infos provided by core

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Issue #2242
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Alexander Boettcher 2017-06-13 14:50:15 +02:00 committed by Norman Feske
parent 9f9c5a3166
commit 238df4dd58
1 changed files with 18 additions and 0 deletions
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@ -10,3 +10,21 @@ This is generic part of the Genode implementation. It consists of two parts:
to interact with other components. This is the glue that holds everything
together.
_Core_ may export information about the hardware platform by an ROM
called 'platform_info'. Depending on the platform, e.g. ARM or x86 or riscv,
and depending on the boot mode and boot loader and kernel, some nodes may not
be populated.
!<platform_info>
! <acpi revision="2" rsdt="0x1fe93074" xsdt="0x1fe930e8"/>
! <boot>
! <framebuffer phys="0x7300000" width="1024" height="768" bpp="32"/>
! </boot>
!</platform_info>
If the ACPI RSDT and XSDT physical pointer is reported by the used kernel
and/or bootloader, _Core_ may provide this information by the ROM.
If the graphic device is initialised and can be directly used by a framebuffer
driver, _Core_ may provide the physical pointer to the framebuffer, the
resolution and color depth in bits.