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hw/vmapple/cfg: Introduce vmapple cfg region

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Instead of device tree or other more standardized means, VMApple passes
platform configuration to the first stage boot loader in a binary encoded
format that resides at a dedicated RAM region in physical address space.

This patch models this configuration space as a qdev device which we can
then map at the fixed location in the address space. That way, we can
influence and annotate all configuration fields easily.

Signed-off-by: Alexander Graf <graf@amazon.com>
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241223221645.29911-12-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Alexander Graf 2023-06-14 22:57:32 +00:00 • committed by Philippe Mathieu-Daudé
parent 0179bb3c48
commit 33b5446206
4 changed files with 201 additions and 0 deletions
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2
include/hw/vmapple/vmapple.h
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@ -16,4 +16,6 @@
#define TYPE_VMAPPLE_BDIF "vmapple-bdif"
#define TYPE_VMAPPLE_CFG "vmapple-cfg"
#endif /* HW_VMAPPLE_VMAPPLE_H */