While building the E820 map for UOS, [lowmem, lowmem_limit) and [5GB,
highmem) can be empty. Remove the empty entries if they appear.
Tracked-On: #2792
Signed-off-by: Peter Fang <peter.fang@intel.com>
Reviewed-by: Eddie Dong <eddie.dong@intel.com>
Acked-by: Yin Fengwei <fengwei.yin@intel.com>
1G PCI hole is added just after 4G address which is used as the
PCI high MMIO address space. Guest high memory is mapped from 5G
address for both EPT and device model user space address. Guest
e820 table and API vm_map_gpa are updated accordingly.
Tracked-On: #2577
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
Use '--ovmf <OVMF image location>' when launching acrn-dm.
Tracked-On: #1832
Signed-off-by: Peter Fang <peter.fang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This is preparation for the upcoming High BIOS work.
Tracked-On: #1832
Signed-off-by: Peter Fang <peter.fang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This patch adds a simple 32bit static elf binary loader to acrn DM.
And if the elf binary follow multiboot protocol, only memory info
will be included in multiboot info.
Tracked-On: #1465
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
Some firmware (e.g. UEFI) uses RTC CMOS to fetch the system's memory
configuration. Put lowmem / highmem info in the designated area.
This is a port of Bhyve vRTC's user-space logic.
v1 -> v2:
* move KB/MB/GB to macros.h
* move nvram offset definitions to rtc.h
Tracked-On: #1390
Signed-off-by: Peter Fang <peter.fang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
For vSBL boot path, we need to mark the memory vSBL is using
as reserved in e820 table. The add_e820_entry is added to
update the e820 table dynamically.
To simplify the code logic, we assume:
- vSBL is put the middle of one entry of default e820 table
- That entry has orignal RAM type in e820 table
- The e820 table has enough space to hold two more new entries.
If there is more complicated case in the future, we could extend
add_e820_entry to handle it.
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
The region of MPtable/ACPI table/SMBios resides in
0xF0000 ~ 0x100000. They should be marked as RESERVED instead of
RAM type in e820 table.
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
Some guests needs guest partition info passed to support
A/B boot. DM needs to load guest partition info from file
and pass to vsbl.
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
To align with file name, acrn_sw_load_direct() is changed
to acrn_sw_load_bzimage().
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
The common loader code is put to sw_load_common.c
The loader code for directly kernel loading is put to sw_load_bzimage.c
The further change for SBL will be put to sw_load_sbl.c
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
