Hello,
This patch series adds S3 (suspend to RAM) ACPI state. Most changes
are in the BIOS code and concern themselves with preventing BIOS from
using memory available to OS.
---
Gleb Natapov (8):
Don't power down vga card on entering S3 state.
Add DPMS support to cirrus vga bios.
Don't use unreserved memory in BIOS.
Execute rombios32 code from rom address 0xe0000.
Disable init of SMM.
Add S3 state to DSDT. Handle resume event in the BIOS.
Handle suspend in qemu.
Move PIC initialization out of line to save space in post code area.
bios/Makefile | 1
bios/acpi-dsdt.dsl | 49 +++++++++++++++++++----
bios/rombios.c | 106 ++++++++++++++++++++++++++++++-------------------
bios/rombios.h | 4 +-
bios/rombios32.c | 78 +++++++++++++++++++++++++++++++++---
bios/rombios32.ld | 8 +---
bios/rombios32start.S | 9 ++++
qemu/hw/acpi.c | 10 +++++
qemu/hw/pc.c | 8 ++++
qemu/hw/pc.h | 1
qemu/qemu-kvm.c | 2 -
qemu/qemu-kvm.h | 1
vgabios/clext.c | 36 ++++++++++++++++-
13 files changed, 247 insertions(+), 66 deletions(-)
--
Gleb.
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