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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id v20-20020aa78514000000b006934e7ceb79sm1800230pfn.32.2023.11.01.18.37.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Nov 2023 18:37:31 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@gmx.de Subject: [PATCH v3 88/88] hw/hppa: Map PDC ROM and I/O memory area into lower memory Date: Wed, 1 Nov 2023 18:30:16 -0700 Message-Id: <20231102013016.369010-89-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231102013016.369010-1-richard.henderson@linaro.org> References: <20231102013016.369010-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::22d; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x22d.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Helge Deller When running a 64-bit CPU in 32-bit mode (e.g. when using a 32-bit kernel) the PDC ROM and I/O area has to be accessible in the 0xf0000000 memory region. Signed-off-by: Helge Deller --- hw/hppa/machine.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index a3222d3a96..e488914bba 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -603,6 +603,7 @@ static void machine_HP_C3700_init(MachineState *machine) AstroState *astro; DeviceState *astro_dev; MemoryRegion *addr_space = get_system_memory(); + MemoryRegion *io_low_alias = g_new(MemoryRegion, 2); TranslateFn *translate; /* Create CPUs and RAM. */ @@ -614,6 +615,20 @@ static void machine_HP_C3700_init(MachineState *machine) exit(1); } + /* map PDC ROM into lower memory region, needed if PSW.W=0 */ + memory_region_init_alias(&io_low_alias[0], NULL, "firmware-alias", + addr_space, translate(NULL, FIRMWARE_START), + FIRMWARE_END - FIRMWARE_START); + memory_region_add_subregion(addr_space, (uint32_t) FIRMWARE_START, + &io_low_alias[0]); + + /* map all of I/O area into lower memory region, needed if PSW.W=0 */ + memory_region_init_alias(&io_low_alias[1], NULL, "iomem-alias", + addr_space, translate(NULL, 0xf1000000UL), + 0xf000000UL); + memory_region_add_subregion(addr_space, (uint32_t) 0xf1000000UL, + &io_low_alias[1]); + /* Init Astro and the Elroys (PCI host bus chips). */ astro = astro_init(); astro_dev = DEVICE(astro);