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spapr: Fix implementation of Open Firmware client interface

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This addresses the comments from v22.

The functional changes are (the VOF ones need retesting with Pegasos2):

(VOF) setprop will start failing if the machine class callback
did not handle it;
(VOF) unit addresses are lowered in path_offset();
(SPAPR) /chosen/bootargs is initialized from kernel_cmdline if
the client did not change it.

Fixes: 5c991e5d4378 ("spapr: Implement Open Firmware client interface")
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20210708065625.548396-1-aik@ozlabs.ru>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Alexey Kardashevskiy 2021-07-08 16:56:25 +10:00 • committed by David Gibson
parent 89bb5a4dfd
commit 21bde1ecb6
11 changed files with 48 additions and 68 deletions
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5
hw/ppc/spapr_hcall.c
View file

@ -1080,7 +1080,7 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
SpaprOptionVector *ov1_guest, *ov5_guest;
bool guest_radix;
bool raw_mode_supported = false;
bool guest_xive, reset_fdt = false;
bool guest_xive;
CPUState *cs;
void *fdt;
uint32_t max_compat = spapr->max_compat_pvr;
@ -1233,8 +1233,7 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu,
spapr_setup_hpt(spapr);
}
reset_fdt = spapr->vof != NULL;
fdt = spapr_build_fdt(spapr, reset_fdt, fdt_bufsize);
fdt = spapr_build_fdt(spapr, spapr->vof != NULL, fdt_bufsize);
g_free(spapr->fdt_blob);
spapr->fdt_size = fdt_totalsize(fdt);
spapr->fdt_initial_size = spapr->fdt_size;