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Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 1/6] hw/ppc/spapr: Convert HPTE() macro as hpte_get_ptr() method Date: Fri, 20 Dec 2024 22:30:58 +0100 Message-ID: <20241220213103.6314-2-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::336; envelope-from=philmd@linaro.org; helo=mail-wm1-x336.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() macro as hpte_get_ptr() method. Reviewed-by: Nicholas Piggin Signed-off-by: Philippe Mathieu-Daudé --- hw/ppc/spapr.c | 38 ++++++++++++++++++++++---------------- 1 file changed, 22 insertions(+), 16 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 3b022e8da9e..bed60afbe22 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1399,7 +1399,13 @@ static bool spapr_get_pate(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu, } } -#define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) +static uint64_t *hpte_get_ptr(SpaprMachineState *s, unsigned index) +{ + uint64_t *table = s->htab; + + return &table[2 * index]; +} + #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & 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)) @@ -1614,7 +1620,7 @@ int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp) spapr->htab_shift = shift; for (i = 0; i < size / HASH_PTE_SIZE_64; i++) { - DIRTY_HPTE(HPTE(spapr->htab, i)); + DIRTY_HPTE(hpte_get_ptr(spapr, i)); } } /* We're setting up a hash table, so that means we're not radix */ @@ -2172,7 +2178,7 @@ static void htab_save_chunk(QEMUFile *f, SpaprMachineState *spapr, qemu_put_be32(f, chunkstart); qemu_put_be16(f, n_valid); qemu_put_be16(f, n_invalid); - qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), + qemu_put_buffer(f, (void *)hpte_get_ptr(spapr, chunkstart), HASH_PTE_SIZE_64 * n_valid); } @@ -2198,16 +2204,16 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume invalid HPTEs */ while ((index < htabslots) - && !HPTE_VALID(HPTE(spapr->htab, index))) { - CLEAN_HPTE(HPTE(spapr->htab, index)); + && !HPTE_VALID(hpte_get_ptr(spapr, index))) { + CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; } /* Consume valid HPTEs */ chunkstart = index; while ((index < htabslots) && (index - chunkstart < USHRT_MAX) - && HPTE_VALID(HPTE(spapr->htab, index))) { - CLEAN_HPTE(HPTE(spapr->htab, index)); + && HPTE_VALID(hpte_get_ptr(spapr, index))) { + CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; } @@ -2247,7 +2253,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume non-dirty HPTEs */ while ((index < htabslots) - && !HPTE_DIRTY(HPTE(spapr->htab, index))) { + && !HPTE_DIRTY(hpte_get_ptr(spapr, index))) { index++; examined++; } @@ -2255,9 +2261,9 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, chunkstart = index; /* Consume valid dirty HPTEs */ while ((index < htabslots) && (index - chunkstart < USHRT_MAX) - && HPTE_DIRTY(HPTE(spapr->htab, index)) - && HPTE_VALID(HPTE(spapr->htab, index))) { - CLEAN_HPTE(HPTE(spapr->htab, index)); + && HPTE_DIRTY(hpte_get_ptr(spapr, index)) + && HPTE_VALID(hpte_get_ptr(spapr, index))) { + CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; examined++; } @@ -2265,9 +2271,9 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, invalidstart = index; /* Consume invalid dirty HPTEs */ while ((index < htabslots) && (index - invalidstart < USHRT_MAX) - && HPTE_DIRTY(HPTE(spapr->htab, index)) - && !HPTE_VALID(HPTE(spapr->htab, index))) { - CLEAN_HPTE(HPTE(spapr->htab, index)); + && HPTE_DIRTY(hpte_get_ptr(spapr, index)) + && !HPTE_VALID(hpte_get_ptr(spapr, index))) { + CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; examined++; } @@ -2449,11 +2455,11 @@ static int htab_load(QEMUFile *f, void *opaque, int version_id) if (spapr->htab) { if (n_valid) { - qemu_get_buffer(f, HPTE(spapr->htab, index), + qemu_get_buffer(f, (void *)hpte_get_ptr(spapr, index), HASH_PTE_SIZE_64 * n_valid); } if (n_invalid) { - memset(HPTE(spapr->htab, index + n_valid), 0, + memset(hpte_get_ptr(spapr, index + n_valid), 0, HASH_PTE_SIZE_64 * n_invalid); } } else { From patchwork Fri Dec 20 21:30:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13917454 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A91FE77188 for ; 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Fri, 20 Dec 2024 13:31:15 -0800 (PST) Received: from localhost.localdomain ([78.196.4.158]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43661200ae5sm55589035e9.17.2024.12.20.13.31.14 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Dec 2024 13:31:14 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Harsh Prateek Bora , BALATON Zoltan , Daniel Henrique Barboza , "Edgar E. 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)); 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Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 3/6] hw/ppc/spapr: Convert HPTE_DIRTY() macro as hpte_is_dirty() method Date: Fri, 20 Dec 2024 22:31:00 +0100 Message-ID: <20241220213103.6314-4-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::32b; envelope-from=philmd@linaro.org; helo=mail-wm1-x32b.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_DIRTY() macro as hpte_is_dirty() 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. Reviewed-by: Nicholas Piggin Signed-off-by: Philippe Mathieu-Daudé --- hw/ppc/spapr.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 43220e93c4b..31df6fdc40c 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1411,7 +1411,11 @@ 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) +static bool hpte_is_dirty(SpaprMachineState *s, unsigned index) +{ + return ldq_be_p(hpte_get_ptr(s, index)) & 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)) @@ -2257,7 +2261,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume non-dirty HPTEs */ while ((index < htabslots) - && !HPTE_DIRTY(hpte_get_ptr(spapr, index))) { + && !hpte_is_dirty(spapr, index)) { index++; examined++; } @@ -2265,7 +2269,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, chunkstart = index; /* Consume valid dirty HPTEs */ while ((index < htabslots) && (index - chunkstart < USHRT_MAX) - && HPTE_DIRTY(hpte_get_ptr(spapr, index)) + && hpte_is_dirty(spapr, index) && hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; @@ -2275,7 +2279,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, invalidstart = index; /* Consume invalid dirty HPTEs */ while ((index < htabslots) && (index - invalidstart < USHRT_MAX) - && HPTE_DIRTY(hpte_get_ptr(spapr, index)) + && hpte_is_dirty(spapr, index) && !hpte_is_valid(spapr, index)) { CLEAN_HPTE(hpte_get_ptr(spapr, index)); index++; From patchwork Fri Dec 20 21:31:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13917453 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2745DE7718B for ; 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Fri, 20 Dec 2024 13:31:25 -0800 (PST) Received: from localhost.localdomain ([78.196.4.158]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43656b417afsm90555595e9.36.2024.12.20.13.31.23 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Dec 2024 13:31:24 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Harsh Prateek Bora , BALATON Zoltan , Daniel Henrique Barboza , "Edgar E. Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 4/6] hw/ppc/spapr: Convert CLEAN_HPTE() macro as hpte_set_clean() method Date: Fri, 20 Dec 2024 22:31:01 +0100 Message-ID: <20241220213103.6314-5-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 CLEAN_HPTE() macro as hpte_set_clean() 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. Reviewed-by: Nicholas Piggin Signed-off-by: Philippe Mathieu-Daudé --- hw/ppc/spapr.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 31df6fdc40c..e68e8c320f4 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1416,7 +1416,12 @@ static bool hpte_is_dirty(SpaprMachineState *s, unsigned index) return ldq_be_p(hpte_get_ptr(s, index)) & HPTE64_V_HPTE_DIRTY; } -#define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) +static void hpte_set_clean(SpaprMachineState *s, unsigned index) +{ + stq_be_p(hpte_get_ptr(s, index), + ldq_be_p(hpte_get_ptr(s, index)) & ~HPTE64_V_HPTE_DIRTY); +} + #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) /* @@ -2213,7 +2218,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, /* Consume invalid HPTEs */ while ((index < htabslots) && !hpte_is_valid(spapr, index)) { - CLEAN_HPTE(hpte_get_ptr(spapr, index)); + hpte_set_clean(spapr, index); index++; } @@ -2221,7 +2226,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, chunkstart = index; while ((index < htabslots) && (index - chunkstart < USHRT_MAX) && hpte_is_valid(spapr, index)) { - CLEAN_HPTE(hpte_get_ptr(spapr, index)); + hpte_set_clean(spapr, index); index++; } @@ -2271,7 +2276,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, while ((index < htabslots) && (index - chunkstart < USHRT_MAX) && hpte_is_dirty(spapr, index) && hpte_is_valid(spapr, index)) { - CLEAN_HPTE(hpte_get_ptr(spapr, index)); + hpte_set_clean(spapr, index); index++; examined++; } @@ -2281,7 +2286,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, while ((index < htabslots) && (index - invalidstart < USHRT_MAX) && hpte_is_dirty(spapr, index) && !hpte_is_valid(spapr, index)) { - CLEAN_HPTE(hpte_get_ptr(spapr, index)); + hpte_set_clean(spapr, index); index++; examined++; } From patchwork Fri Dec 20 21:31:02 2024 Content-Type: text/plain; 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Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 5/6] hw/ppc/spapr: Convert DIRTY_HPTE() macro as hpte_set_dirty() method Date: Fri, 20 Dec 2024 22:31:02 +0100 Message-ID: <20241220213103.6314-6-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::332; envelope-from=philmd@linaro.org; helo=mail-wm1-x332.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 DIRTY_HPTE() macro as hpte_set_dirty() 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. Reviewed-by: Nicholas Piggin Signed-off-by: Philippe Mathieu-Daudé --- 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 e68e8c320f4..d318ce2a350 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1422,7 +1422,11 @@ static void hpte_set_clean(SpaprMachineState *s, unsigned index) ldq_be_p(hpte_get_ptr(s, index)) & ~HPTE64_V_HPTE_DIRTY); } -#define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) +static void hpte_set_dirty(SpaprMachineState *s, unsigned index) +{ + stq_be_p(hpte_get_ptr(s, index), + ldq_be_p(hpte_get_ptr(s, index)) | HPTE64_V_HPTE_DIRTY); +} /* * Get the fd to access the kernel htab, re-opening it if necessary @@ -1633,7 +1637,7 @@ int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp) spapr->htab_shift = shift; for (i = 0; i < size / HASH_PTE_SIZE_64; i++) { - DIRTY_HPTE(hpte_get_ptr(spapr, i)); + hpte_set_dirty(spapr, i); } } /* We're setting up a hash table, so that means we're not radix */ From patchwork Fri Dec 20 21:31:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13917455 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 839E4E7718D for ; Fri, 20 Dec 2024 21:32:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tOkbT-0005t5-3V; Fri, 20 Dec 2024 16:32:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tOkax-00052K-Gp for qemu-devel@nongnu.org; Fri, 20 Dec 2024 16:31:46 -0500 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tOkav-00076r-Hl for qemu-devel@nongnu.org; Fri, 20 Dec 2024 16:31:38 -0500 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-43626213fffso21636925e9.1 for ; Fri, 20 Dec 2024 13:31:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1734730295; x=1735335095; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=XZhntQKj+2np0onfD6fTX3Bv/LcXZGFrE8GH8VrgUt8=; b=HXhuzy9po3Ob7mpGjGnypMbqH1ej1FR33bDcjlHH2qpQJeyEnAfuKpP/zc14QQC3Bf pAXgg+lh3oM2XAW/dOiQL7Hkt3cVyDEt2N6y1nX+PiPFSqG7FFJVlLRiHXSPdBlE/FRL DQpXkQATEWyXLMFhzZLjHki6slV7h+Ank3mLwtBmbeD4W+DY7CJxBo7oy+qwFzpRXFX9 yaWSFPT5dKdAOQngh+VxPeDHWQZhV+gwtBxzoe7IY8uxURot70qVeNF8AUX1KSGT6gS/ mdSz4CRXZS+YX8iVILQ+xh5IRyQBVQxgH/Etdr9mzymJ/3LgTGSYoFosRcrwTuJs6E5V 3Sew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734730295; x=1735335095; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XZhntQKj+2np0onfD6fTX3Bv/LcXZGFrE8GH8VrgUt8=; b=NlJQ3pyIAZOvAcfEPieKv0/Ii301l5AFO5KxkfBiaDzSPGqzrPs+NJVnkF830xHEy9 ArDEWhiweZ1JVPDjn4zQ38CHoeFz/PcDUo3NzShpK3YShfioafHb4iNpdZgcn9xbdihZ EHifSC8rzsbVit5Qz8VZW30lQkl4yOOgWDMBBLGPbdmiVM7jQv00KUhq0Qr41nPkHK0r FXIIxqibJMH3IJjPkQaPxdJT/B5aNJvKEbX3HU/RuqCgZDv+ihv586qELS+hvbJ17fRH 8R/B2H+EwztsozVVJm91eRFi5c0pJz7pRSY1URwmXdraB6y8Eiu8zGwPT3QCwbbt5A0r 8U8w== X-Gm-Message-State: AOJu0YwwzqvrkzZWj7SpPv1yvGA6CVdo9AjpU4QjxOzA2T9FfPUYYG9m tWX+envS/hEs6rz8UmqFnVTqPy5p8GQCGe0K0U7nXtLSPxAlkAw/l8ybJDx/vHfySl8SvSyxKXk D X-Gm-Gg: ASbGncs2ezJSPIkDUWM9rzlj1/vOy5oA83uxZYz/GQG6SvuSf6jsn0LXFuNVXtl40/N v6PhXcW2/L+I+/j+otBlQIMaRXvU2LzpA1EeggQNrVOt0kSD5/4pxZh+riWHw0mI9E6FZKAlOd4 IyTcZTLyxNm8fXgrWyl6d5nDJgpE6O2KULewBi4JpzZ28+DQnZleQKChERcxHnI3dMH8ImjWfu5 L+Y5zSTdDXjW3EwOak9yRFJnn65ZXl4KVQ69HgVN85zJTk0TGbyfGHAL2mThExRirT9u4bz1qU= X-Google-Smtp-Source: AGHT+IEawfv1eDKEtcfbktjs2UsUWawD1Ka1LOi05Oo6TrO5ZY4shNl1aExzD8czo2IbsqtVfIVMHg== X-Received: by 2002:a05:600c:5850:b0:436:1b0b:2633 with SMTP id 5b1f17b1804b1-436699ffa24mr36251915e9.9.1734730294794; Fri, 20 Dec 2024 13:31:34 -0800 (PST) Received: from localhost.localdomain ([78.196.4.158]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38a1c89e2f9sm5048149f8f.81.2024.12.20.13.31.34 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Dec 2024 13:31:34 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Nicholas Piggin , qemu-ppc@nongnu.org, Harsh Prateek Bora , BALATON Zoltan , Daniel Henrique Barboza , "Edgar E. Iglesias" , =?utf-8?q?Philippe_Mathieu-?= =?utf-8?q?Daud=C3=A9?= Subject: [PATCH v4 6/6] hw/ppc/epapr: Do not swap ePAPR magic value Date: Fri, 20 Dec 2024 22:31:03 +0100 Message-ID: <20241220213103.6314-7-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::333; envelope-from=philmd@linaro.org; helo=mail-wm1-x333.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 The ePAPR magic value in $r6 doesn't need to be byte swapped. See ePAPR-v1.1.pdf chapter 5.4.1 "Boot CPU Initial Register State" and the following mailing-list threads: https://lore.kernel.org/qemu-devel/CAFEAcA_NR4XW5DNL4nq7vnH4XRH5UWbhQCxuLyKqYk6_FCBrAA@mail.gmail.com/ https://lore.kernel.org/qemu-devel/D6F93NM6OW2L.2FDO88L38PABR@gmail.com/ Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Nicholas Piggin --- hw/ppc/sam460ex.c | 2 +- hw/ppc/virtex_ml507.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 78e2a46e753..db9c8f3fa6e 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -234,7 +234,7 @@ static void main_cpu_reset(void *opaque) /* Create a mapping for the kernel. */ booke_set_tlb(&env->tlb.tlbe[0], 0, 0, 1 << 31); - env->gpr[6] = tswap32(EPAPR_MAGIC); + env->gpr[6] = EPAPR_MAGIC; env->gpr[7] = (16 * MiB) - 8; /* bi->ima_size; */ } else { diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c index f378e5c4a90..6197d31d88f 100644 --- a/hw/ppc/virtex_ml507.c +++ b/hw/ppc/virtex_ml507.c @@ -119,7 +119,7 @@ static void main_cpu_reset(void *opaque) /* Create a mapping spanning the 32bit addr space. */ booke_set_tlb(&env->tlb.tlbe[0], 0, 0, 1U << 31); booke_set_tlb(&env->tlb.tlbe[1], 0x80000000, 0x80000000, 1U << 31); - env->gpr[6] = tswap32(EPAPR_MAGIC); + env->gpr[6] = EPAPR_MAGIC; env->gpr[7] = bi->ima_size; }