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That's all we know. 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=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" From: Graeme Gregory Add the previously created sbsa-ec device to the sbsa-ref machine in secure memory so the PSCI implementation in ARM-TF can access it, but not expose it to non secure firmware or OS except by via ARM-TF. Signed-off-by: Graeme Gregory Reviewed-by: Leif Lindholm Tested-by: Leif Lindholm Message-id: 20200826141952.136164-3-graeme@nuviainc.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/arm/sbsa-ref.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c index 7475aac0dfa..47b5286d46c 100644 --- a/hw/arm/sbsa-ref.c +++ b/hw/arm/sbsa-ref.c @@ -62,6 +62,7 @@ enum { SBSA_CPUPERIPHS, SBSA_GIC_DIST, SBSA_GIC_REDIST, + SBSA_SECURE_EC, SBSA_SMMU, SBSA_UART, SBSA_RTC, @@ -107,6 +108,7 @@ static const MemMapEntry sbsa_ref_memmap[] =3D { [SBSA_CPUPERIPHS] =3D { 0x40000000, 0x00040000 }, [SBSA_GIC_DIST] =3D { 0x40060000, 0x00010000 }, [SBSA_GIC_REDIST] =3D { 0x40080000, 0x04000000 }, + [SBSA_SECURE_EC] =3D { 0x50000000, 0x00001000 }, [SBSA_UART] =3D { 0x60000000, 0x00001000 }, [SBSA_RTC] =3D { 0x60010000, 0x00001000 }, [SBSA_GPIO] =3D { 0x60020000, 0x00001000 }, @@ -608,6 +610,16 @@ static void *sbsa_ref_dtb(const struct arm_boot_info *= binfo, int *fdt_size) return board->fdt; } =20 +static void create_secure_ec(MemoryRegion *mem) +{ + hwaddr base =3D sbsa_ref_memmap[SBSA_SECURE_EC].base; + DeviceState *dev =3D qdev_new("sbsa-ec"); + SysBusDevice *s =3D SYS_BUS_DEVICE(dev); + + memory_region_add_subregion(mem, base, + sysbus_mmio_get_region(s, 0)); +} + static void sbsa_ref_init(MachineState *machine) { unsigned int smp_cpus =3D machine->smp.cpus; @@ -731,6 +743,8 @@ static void sbsa_ref_init(MachineState *machine) =20 create_pcie(sms); =20 + create_secure_ec(secure_sysmem); + sms->bootinfo.ram_size =3D machine->ram_size; sms->bootinfo.nb_cpus =3D smp_cpus; sms->bootinfo.board_id =3D -1; --=20 2.20.1