This adds RISC-V into the build system enabling the following targets:
- riscv32-softmmu
- riscv64-softmmu
- riscv32-linux-user
- riscv64-linux-user
This adds defaults configs for RISC-V, enables the build for the RISC-V
CPU core, hardware, and Linux User Emulation. The 'qemu-binfmt-conf.sh'
script is updated to add the RISC-V ELF magic.
Expected checkpatch errors for consistency reasons:
ERROR: line over 90 characters
FILE: scripts/qemu-binfmt-conf.sh
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>
This provides a RISC-V Board compatible with the the SiFive Freedom U SDK.
The following machine is implemented:
- 'sifive_u'; CLINT, PLIC, UART, device-tree
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
This provides a RISC-V Board compatible with the the SiFive Freedom E SDK.
The following machine is implemented:
- 'sifive_e'; CLINT, PLIC, UART, AON, GPIO, QSPI, PWM
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
Simple model of the PRCI (Power, Reset, Clock, Interrupt) to emulate
register reads made by the SDK BSP.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
QEMU model of the UART on the SiFive E300 and U500 series SOCs.
BBL supports the SiFive UART for early console access via the SBI
(Supervisor Binary Interface) and the linux kernel SBI console.
The SiFive UART implements the pre qom legacy interface consistent
with the 16550a UART in 'hw/char/serial.c'.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Stefan O'Rear <sorear2@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
RISC-V machine with device-tree, 16550a UART and VirtIO MMIO.
The following machine is implemented:
- 'virt'; CLINT, PLIC, 16550A UART, VirtIO MMIO, device-tree
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
Test finisher memory mapped device used to exit simulation.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
RISC-V machines compatble with Spike aka riscv-isa-sim, the RISC-V
Instruction Set Simulator. The following machines are implemented:
- 'spike_v1.9.1'; HTIF console, config-string, Privileged ISA Version 1.9.1
- 'spike_v1.10'; HTIF console, device-tree, Privileged ISA Version 1.10
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>
The PLIC (Platform Level Interrupt Controller) device provides a
parameterizable interrupt controller based on SiFive's PLIC specification.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Stefan O'Rear <sorear2@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
The CLINT (Core Local Interruptor) device provides real-time clock, timer
and interprocessor interrupts based on SiFive's CLINT specification.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Stefan O'Rear <sorear2@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
Holds the state of a heterogenous array of RISC-V hardware threads.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>
HTIF (Host Target Interface) provides console emulation for QEMU. HTIF
allows identical copies of BBL (Berkeley Boot Loader) and linux to run
on both Spike and QEMU. BBL provides HTIF console access via the
SBI (Supervisor Binary Interface) and the linux kernel SBI console.
The HTIT chardev implements the pre qom legacy interface consistent
with the 16550a UART in 'hw/char/serial.c'.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Stefan O'Rear <sorear2@gmail.com>
Signed-off-by: Michael Clark <mjc@sifive.com>
