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From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: Harsh Prateek Bora <harshpb@linux.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
=?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>,
BALATON Zoltan <balaton@eik.bme.hu>, qemu-ppc@nongnu.org,
=?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
Peter Maydell <peter.maydell@linaro.org>
Subject: [PATCH v3 6/7] hw/ppc/spapr: Convert DIRTY_HPTE() macro as
hpte_set_dirty() method
Date: Wed, 18 Dec 2024 19:21:05 +0100
Message-ID: <20241218182106.78800-7-philmd@linaro.org>
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Convert DIRTY_HPTE() macro as hpte_set_dirty() method.
Since sPAPR is in big endian configuration at reset,
use the big endian LD/ST API to access the HPTEs.
Signed-off-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
---
hw/ppc/spapr.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 4e1fe832c29..dedf6fb2916 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1422,7 +1422,11 @@ static void hpte_set_clean(SpaprMachineState *s, uns=
igned index)
ldq_be_p(hpte_get(s, index)) & ~HPTE64_V_HPTE_DIRTY);
}
=20
-#define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |=3D tswap64(HPTE64_V_H=
PTE_DIRTY))
+static void hpte_set_dirty(SpaprMachineState *s, unsigned index)
+{
+ stq_be_p(hpte_get(s, index),
+ ldq_be_p(hpte_get(s, index)) | HPTE64_V_HPTE_DIRTY);
+}
=20
/*
* Get the fd to access the kernel htab, re-opening it if necessary
@@ -1633,7 +1637,7 @@ int spapr_reallocate_hpt(SpaprMachineState *spapr, in=
t shift, Error **errp)
spapr->htab_shift =3D shift;
=20
for (i =3D 0; i < size / HASH_PTE_SIZE_64; i++) {
- DIRTY_HPTE(hpte_get(spapr->htab, i));
+ hpte_set_dirty(spapr->htab, i);
}
}
/* We're setting up a hash table, so that means we're not radix */
--=20
2.45.2