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| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2019-08-26 12:35:32 +1000 |
|---|---|---|
| committer | Alexey Kardashevskiy <aik@ozlabs.ru> | 2019-08-27 11:50:22 +1000 |
| commit | 674d0d0cf66d4bcf55333601e1fe66db8fc36385 (patch) | |
| tree | 7f2dc8dde210fd1867dd0841653218e586237647 /lib/libhvcall | |
| parent | 7bfe584e321946771692711ff83ad2b5850daca7 (diff) | |
| download | SLOF-674d0d0cf66d4bcf55333601e1fe66db8fc36385.zip SLOF-674d0d0cf66d4bcf55333601e1fe66db8fc36385.tar.gz SLOF-674d0d0cf66d4bcf55333601e1fe66db8fc36385.tar.bz2 | |
rtas: Reserve space for FWNMI log
The Firmware Assisted Non-Maskable Interrupts Option (FWNMI) feature
requires some space for RTAS log which is in the RTAS blob area.
This expands the RTAS blob size to 2k.
More details here: https://patchwork.ozlabs.org/patch/1146765/
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Diffstat (limited to 'lib/libhvcall')
| -rw-r--r-- | lib/libhvcall/hvcall.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/libhvcall/hvcall.S b/lib/libhvcall/hvcall.S index b19f6db..9f23624 100644 --- a/lib/libhvcall/hvcall.S +++ b/lib/libhvcall/hvcall.S @@ -134,6 +134,13 @@ ENTRY(hv_rtas) ori r3,r3,KVMPPC_H_RTAS@l HVCALL blr + /* + * A space reserved for a RTAS log from Firmware Assisted + * Non-Maskable Interrupts Option (FWNMI) feature. + * + * The QEMU implementation uses 0x30..0x800 for the log. + */ + .space 2048 - (. - hv_rtas) .globl hv_rtas_size hv_rtas_size: .long . - hv_rtas; @@ -144,6 +151,8 @@ ENTRY(hv_rtas_broken_sc1) ori r3,r3,KVMPPC_H_RTAS@l .long 0x7c000268 blr + /* See the FWNMI note above */ + .space 2048 - (. - hv_rtas_broken_sc1) .globl hv_rtas_broken_sc1_size hv_rtas_broken_sc1_size: .long . - hv_rtas_broken_sc1; |