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Sat, 01 Aug 2020 15:14:00 +0200 From: Helge Deller To: qemu-devel@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v2 3/4] hw/hppa: Implement proper SeaBIOS version check Date: Sat, 1 Aug 2020 15:13:56 +0200 Message-Id: <20200801131357.17379-4-deller@gmx.de> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200801131357.17379-1-deller@gmx.de> References: <20200801131357.17379-1-deller@gmx.de> MIME-Version: 1.0 X-Provags-ID: V03:K1:6It3oYSTgvBrkeZ0GZ1B+fg3jkiUFwT4B3di5YYXEsEUmd3D8YF NJluS06+Et0dl5O6MZoXEb7nKy+kKr8qf8a5+MrmchHBYP5Suy/7GluwwpEly7YP0aCQrGr KUO/gmavbdzflyIfK+zxduaUlHIzaynCpDKntNkp7JjGxZ6AKJ1YTEFr/8BljKIfmGCn7F9 bkacq8st0ej3mTJX2FZKA== X-UI-Out-Filterresults: notjunk:1;V03:K0:lK062rmJkm0=:O5iBlL1FvCaVE0HwwuQxul +H9aCtXDu8pvjzEQh/1B49KSQSkZXc+AAEVuvKfjVTu5yc+rvrsi7H+IzatpDk7Tb7TtakLkl /WwKQn9T4K6AMgOA7n9Ppv+4uy/zBKNmJtoCIZecwnzEETpW0z0KAwyREdtxftih/JaqLaFXP NKdMsnEr7zVxO2WiZAgHWhf5DpdpZmvnB/Z6XVR8NxwjLNGw7sLiydJp6MoYWDyKphgkEYS1b fT7SNw9EslZGwhfWeQcwxT5/Gs2UdCP4Er0P5a0wOBLb7+Acxj69TATqRnp4JmdH8M4yDFsut LZ1aVuS1EZo2056EjQuiVL8KHbdZclIru3QN9hnFLxOSleq0XvZel4MSzI94uBoW2sJ1LGIt2 3ZwxG3WhQfZjXu+biYX1+zHPQV16tRBMQ8KLwqyw2NEGpfRq6VSUaZZI5TWtpbLj0jhqyv0Yk OJPYyvkOtXQP0MzeIna5+0HGx4qAYm6jSvcolGXgrtPZzyKK4DWmafPo7I4j3GqvwhNQ3vmgE o/d9uBi6WOEQKb0RDiBJfbkmPS1NOVj09FS1745oMyJgPhst2kv8P26WqGIsbHK+urcupqR4F Y5xpoM4DvlBg9ngX/mm6nPTKy1EVDWIs5/pWI7LfgvlaZEbMzd4jILFHUNrLRZXDSy6Doszgh 8njxWhD6UugFUYWtxcaPKplbUqyqqZjD0qAmEJeWqTp0VMVboTTGwKc9zEq/m5iMJDb8AOCkA yXq9U4Msd7WZN9uparlrMk1z5PXVRlputfoMcbOBpEjiQpg8BL6LVvQUsuXuSQ6/ouFg7S7j1 gsvw9NpTEuFqO9Rb/tKk0ZzbwAjIYPeju+3qKA4x2UiJrPF9R1znVts0OdExH7bZECE8RtrI1 Mpx45IQkRRuvdBSyoHINvqvcNdsVDQok8GaO8MFKdSNmHYsu6MwN79VUYbE9zLU4yDkjB2m0+ yrQC/Jx+LqBjuyDtDq5xbkMCe7e6OvEy5ximIRGqeckJdBDN0E9aNAutKnIExTV/9kzDdnK47 fNGWVxughdTKU4SKZvtMrwCm2a6wD/PlwHfJIeBGDgUiyn+LcnaUJnuooQ0pWRdetqVlHmHLJ 6ayghR+FV2S/FhPjQ8u0fADfShmbLP/Zw/OR9aGxuSvt6wE2J5LC3Q9pi89hMGiXc1Pu5mp5T U9x34GSMrf4A7PUF6isRYVs2uPOkHW3k2R0blDnpUFxwPLJxbT2uUs0Q7FypZd2v1sURK9MXR 2Cbc4qDOyMugxW9z9 Received-SPF: pass client-ip=212.227.15.15; envelope-from=deller@gmx.de; helo=mout.gmx.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/01 09:14:03 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Helge Deller , Richard Henderson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" It's important that the SeaBIOS hppa firmware is at least at a minimal level to ensure proper interaction between qemu and firmware. Implement a proper firmware version check by telling SeaBIOS via the fw_cfg interface which minimal SeaBIOS version is required by this running qemu instance. If the firmware detects that it's too old, it will stop. Signed-off-by: Helge Deller --- hw/hppa/machine.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) -- 2.21.3 diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c index 49155537cd..90aeefe2a4 100644 --- a/hw/hppa/machine.c +++ b/hw/hppa/machine.c @@ -25,6 +25,8 @@ #define MAX_IDE_BUS 2 +#define MIN_SEABIOS_HPPA_VERSION 1 /* require at least this fw version */ + static ISABus *hppa_isa_bus(void) { ISABus *isa_bus; @@ -56,6 +58,23 @@ static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t addr) static HPPACPU *cpu[HPPA_MAX_CPUS]; static uint64_t firmware_entry; +static FWCfgState *create_fw_cfg(MachineState *ms) +{ + FWCfgState *fw_cfg; + uint64_t val; + + fw_cfg = fw_cfg_init_mem(QEMU_FW_CFG_IO_BASE, QEMU_FW_CFG_IO_BASE + 4); + fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, ms->smp.cpus); + fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, HPPA_MAX_CPUS); + fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, ram_size); + + val = cpu_to_le64(MIN_SEABIOS_HPPA_VERSION); + fw_cfg_add_file(fw_cfg, "/etc/firmware-min-version", + g_memdup(&val, sizeof(val)), sizeof(val)); + + return fw_cfg; +} + static void machine_hppa_init(MachineState *machine) { const char *kernel_filename = machine->kernel_filename; @@ -118,6 +137,9 @@ static void machine_hppa_init(MachineState *machine) 115200, serial_hd(0), DEVICE_BIG_ENDIAN); } + /* fw_cfg configuration interface */ + create_fw_cfg(machine); + /* SCSI disk setup. */ dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a")); lsi53c8xx_handle_legacy_cmdline(dev);