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qemu/pc-bios/optionrom
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Joe Richey 770275ed0c optionrom/pvh: scan entire RSDP Area 
Right now the PVH option rom scans for the RSDP from 0xE0000 to
0xE1FFF. This is probobly a typo, it should scan from 0xE0000 to
0xFFFFF.

This is actually an issue on some QEMU versions/machines. For example,
when I run QEMU the RSDP is placed at 0xf5ad0 which will not be picked
up by the current implementation.

This bug still allows a Linux guest to boot (in most configurations) as
the kernel will just scan for the RSDP if one isn't provided.

Signed-off-by: Joe Richey <joerichey@google.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Fixes: 2785dc7b17 ("optionrom: add new PVH option rom")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 22:07:42 +01:00
..
code16gcc.h Add optionrom compatible with fw_cfg DMA version 2016-07-14 15:50:52 +02:00
flat.lds optionrom: fix compilation with mingw docker target 2016-08-09 22:57:36 +02:00
kvmvapic.S kvmvapic: Use optionrom helpers 2012-02-18 12:16:01 +02:00
linuxboot.S linuxboot: fix loading old kernels 2014-12-15 12:21:03 +01:00
linuxboot_dma.c linuxboot_dma: move common functions in a new header 2019-02-05 16:50:17 +01:00
Makefile optionrom: add new PVH option rom 2019-02-05 16:50:17 +01:00
multiboot.S multiboot: Calculate upper_mem in the ROM 2013-06-28 14:01:52 -05:00
optionrom.h fw_cfg: import & use linux/qemu_fw_cfg.h 2018-08-23 18:46:25 +02:00
optrom.h linuxboot_dma: move common functions in a new header 2019-02-05 16:50:17 +01:00
optrom_fw_cfg.h linuxboot_dma: move common functions in a new header 2019-02-05 16:50:17 +01:00
pvh.S optionrom: add new PVH option rom 2019-02-05 16:50:17 +01:00
pvh_main.c optionrom/pvh: scan entire RSDP Area 2020-03-16 22:07:42 +01:00