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author | David Gibson <david@gibson.dropbear.id.au> | 2011-04-01 15:15:23 +1100 |
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committer | Alexander Graf <agraf@suse.de> | 2011-04-01 18:34:56 +0200 |
commit | 39ac8455106af1ed669b8e10223420cf1ac5b190 (patch) | |
tree | 48c935a56286ff50f76982c9d7aab1a0eb835e03 /pc-bios/spapr-rtas.bin | |
parent | f43e35255cffb6ac6230dd09d308f7909f823f96 (diff) | |
download | hqemu-39ac8455106af1ed669b8e10223420cf1ac5b190.zip hqemu-39ac8455106af1ed669b8e10223420cf1ac5b190.tar.gz |
Implement hcall based RTAS for pSeries machines
On pSeries machines, operating systems can instantiate "RTAS" (Run-Time
Abstraction Services), a runtime component of the firmware which implements
a number of low-level, infrequently used operations. On logical partitions
under a hypervisor, many of the RTAS functions require hypervisor
privilege. For simplicity, therefore, hypervisor systems typically
implement the in-partition RTAS as just a tiny wrapper around a hypercall
which actually implements the various RTAS functions.
This patch implements such a hypercall based RTAS for our emulated pSeries
machine. A tiny in-partition "firmware" calls a new hypercall, which
looks up available RTAS services in a table.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'pc-bios/spapr-rtas.bin')
-rwxr-xr-x | pc-bios/spapr-rtas.bin | bin | 0 -> 20 bytes |
1 files changed, 0 insertions, 0 deletions
diff --git a/pc-bios/spapr-rtas.bin b/pc-bios/spapr-rtas.bin Binary files differnew file mode 100755 index 0000000..fc24c8e --- /dev/null +++ b/pc-bios/spapr-rtas.bin |