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Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 2/6] hw/ppc/spapr: Convert HPTE_VALID() macro as hpte_is_valid() method Date: Fri, 20 Dec 2024 22:30:59 +0100 Message-ID: <20241220213103.6314-3-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241220213103.6314-1-philmd@linaro.org> References: <20241220213103.6314-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=philmd@linaro.org; helo=mail-wm1-x32f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Convert HPTE_VALID() macro as hpte_is_valid() method. sPAPR data structures including the hash page table are big-endian regardless of current CPU endian mode, so use the big-endian LD/ST API to access the hash PTEs. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Nicholas Piggin --- hw/ppc/spapr.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index bed60afbe22..43220e93c4b 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1406,7 +1406,11 @@ static uint64_t *hpte_get_ptr(SpaprMachineState *s, unsigned index) return &table[2 * index]; } -#define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) +static bool hpte_is_valid(SpaprMachineState *s, unsigned index) +{ + return ldq_be_p(hpte_get_ptr(s, index)) & HPTE64_V_VALID; +} + #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) @@ -2204,7 +2208,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume invalid HPTEs */ while ((index < htabslots) - && !HPTE_VALID(hpte_get_ptr(spapr, index))) { + && !hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; } @@ -2212,7 +2216,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume valid HPTEs */ chunkstart = index; while ((index < htabslots) && (index - chunkstart < USHRT_MAX) - && HPTE_VALID(hpte_get_ptr(spapr, index))) { + && hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; } @@ -2262,7 +2266,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume valid dirty HPTEs */ while ((index < htabslots) && (index - chunkstart < USHRT_MAX) && HPTE_DIRTY(hpte_get_ptr(spapr, index)) - && HPTE_VALID(hpte_get_ptr(spapr, index))) { + && hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; examined++; @@ -2272,7 +2276,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume invalid dirty HPTEs */ while ((index < htabslots) && (index - invalidstart < USHRT_MAX) && HPTE_DIRTY(hpte_get_ptr(spapr, index)) - && !HPTE_VALID(hpte_get_ptr(spapr, index))) { + && !hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; examined++;