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arch/x86: Support x86_64 exceptions

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*   Doesn't affect existing x86_32 code.

Tested on qemu using division by zero.
Tested on Lenovo T410 with additional x86_64 patches.

Change-Id: Idd12c90a95cc2989eb9b2a718740a84222193f48
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30117
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Paul Menzel
2019-06-24 18:44:33 +02:00
committed by Philipp Deppenwiese
parent d9c6862809
commit 6663ad99cf
4 changed files with 141 additions and 40 deletions
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Documentation/arch/x86/index.md
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@@ -42,7 +42,7 @@ At the moment *$n* is 4, which results in identity mapping the lower 4 GiB.
* Fix compilation errors - *DONE*
* Fix linker errors - *TODO*
* Add x86_64 rmodule support - *DONE*
* Add x86_64 exception handlers - *TODO*
* Add x86_64 exception handlers - *DONE*
* Setup page tables for long mode - *DONE*
* Add assembly code for long mode - *DONE*
* Add assembly code for postcar stage - *TODO*