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2021-10-22hw/riscv: shakti_c: Use MachineState::ram and MachineClass::default_ram_idBin Meng1-4/+2
Using memory_region_init_ram(), which can't possibly handle vhost-user, and can't work as expected with '-numa node,memdev' options. Use MachineState::ram instead of manually initializing RAM memory region, as well as by providing MachineClass::default_ram_id to opt in to memdev scheme. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20211020014112.7336-4-bmeng.cn@gmail.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-10-07hw/riscv: shakti_c: Mark as not user creatableAlistair Francis1-0/+7
Mark the shakti_c machine as not user creatable. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/639 Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <c617a04d4e3dd041a3427b47a1b1d5ab475a2edd.1632871759.git.alistair.francis@wdc.com>
2021-09-21hw/intc: Upgrade the SiFive CLINT implementation to RISC-V ACLINTAnup Patel1-4/+7
The RISC-V ACLINT is more modular and backward compatible with original SiFive CLINT so instead of duplicating the original SiFive CLINT implementation we upgrade the current SiFive CLINT implementation to RISC-V ACLINT implementation. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-id: 20210831110603.338681-3-anup.patel@wdc.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-09-21hw/intc: Rename sifive_clint sources to riscv_aclint sourcesAnup Patel1-1/+1
We will be upgrading SiFive CLINT implementation into RISC-V ACLINT implementation so let's first rename the sources. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-id: 20210831110603.338681-2-anup.patel@wdc.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-09-21hw/intc: sifive_plic: Convert the PLIC to use RISC-V CPU GPIO linesAlistair Francis1-1/+2
Instead of using riscv_cpu_update_mip() let's instead use the new RISC-V CPU GPIO lines to set the external MIP bits. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Message-id: 0364190bfa935058a845c0fa1ecf650328840ad5.1630301632.git.alistair.francis@wdc.com
2021-05-11hw/riscv: Connect Shakti UART to Shakti platformVijai Kumar K1-0/+8
Connect one shakti uart to the shakti_c machine. Signed-off-by: Vijai Kumar K <vijai@behindbytes.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210401181457.73039-5-vijai@behindbytes.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-05-11riscv: Add initial support for Shakti C machineVijai Kumar K1-0/+173
Add support for emulating Shakti reference platform based on C-class running on arty-100T board. https://gitlab.com/shaktiproject/cores/shakti-soc/-/blob/master/README.rst Signed-off-by: Vijai Kumar K <vijai@behindbytes.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210401181457.73039-3-vijai@behindbytes.com [Changes by AF: - Check for mstate->firmware before loading it ] Signed-off-by: Alistair Francis <alistair.francis@wdc.com>