Aravinda Prasad <aravi...@linux.vnet.ibm.com> writes: > This patch adds a private HCALL to inform qemu the updated > rtas-base and rtas-entry address when OS invokes the call > "instantiate-rtas". This is required as qemu allocates the > error reporting structure in RTAS space upon a machine check > exception and hence needs to know the updated RTAS. > > Enhancements to qemu to handle the private HCALL, prepare > error log and invoke machine check notification routine > are in a separate patch. > > Signed-off-by: Nikunj A. Dadhania <nik...@linux.vnet.ibm.com> > Signed-off-by: Aravinda Prasad <aravi...@linux.vnet.ibm.com>
Thanks, applied. > --- > board-qemu/slof/rtas.fs | 6 +++++- > lib/libhvcall/hvcall.code | 6 ++++++ > lib/libhvcall/hvcall.in | 1 + > lib/libhvcall/libhvcall.h | 4 +++- > 4 files changed, 15 insertions(+), 2 deletions(-) > > diff --git a/board-qemu/slof/rtas.fs b/board-qemu/slof/rtas.fs > index 41e30c2..c081b57 100644 > --- a/board-qemu/slof/rtas.fs > +++ b/board-qemu/slof/rtas.fs > @@ -174,7 +174,11 @@ rtas-node set-node > > : instantiate-rtas ( adr -- entry ) > dup rtas-base swap rtas-size move > - rtas-entry rtas-base - + > + dup rtas-entry rtas-base - + > + 2dup hv-rtas-update 0 <> IF > + ." Failed to update RTAS " cr > + THEN > + nip > ; > > device-end > diff --git a/lib/libhvcall/hvcall.code b/lib/libhvcall/hvcall.code > index 744469f..0ff50f2 100644 > --- a/lib/libhvcall/hvcall.code > +++ b/lib/libhvcall/hvcall.code > @@ -111,6 +111,12 @@ PRIM(hv_X2d_cas) > TOS.u = hv_cas(vec, buf, size); > MIRP > > +PRIM(hv_X2d_rtas_X2d_update) > + unsigned long rtas_entry = TOS.u; POP; > + unsigned long rtas_base = TOS.u; > + TOS.u = hv_generic(KVMPPC_H_RTAS_UPDATE, rtas_base, rtas_entry); > +MIRP > + > PRIM(get_X2d_print_X2d_version) > unsigned long addr = TOS.u; POP; > get_print_banner(addr); > diff --git a/lib/libhvcall/hvcall.in b/lib/libhvcall/hvcall.in > index e99d6d1..4437b77 100644 > --- a/lib/libhvcall/hvcall.in > +++ b/lib/libhvcall/hvcall.in > @@ -30,4 +30,5 @@ cod(RX!) > > cod(hv-logical-memop) > cod(hv-cas) > +cod(hv-rtas-update) > cod(get-print-version) > diff --git a/lib/libhvcall/libhvcall.h b/lib/libhvcall/libhvcall.h > index 6356a62..193b738 100644 > --- a/lib/libhvcall/libhvcall.h > +++ b/lib/libhvcall/libhvcall.h > @@ -24,7 +24,9 @@ > #define KVMPPC_H_LOGICAL_MEMOP (KVMPPC_HCALL_BASE + 0x1) > /* Client Architecture support */ > #define KVMPPC_H_CAS (KVMPPC_HCALL_BASE + 0x2) > -#define KVMPPC_HCALL_MAX KVMPPC_H_CAS > +#define KVMPPC_H_RTAS_UPDATE (KVMPPC_HCALL_BASE + 0x3) > +#define KVMPPC_H_REPORT_MC_ERR (KVMPPC_HCALL_BASE + 0x4) > +#define KVMPPC_HCALL_MAX KVMPPC_H_NMI_MCE > > #ifndef __ASSEMBLY__ _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
